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4430 | cbradney | 1 | /* |
2 | For general Scribus (>=1.3.2) copyright and licensing information please refer |
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3 | to the COPYING file provided with the program. Following this notice may exist |
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4 | a copyright and/or license notice that predates the release of Scribus 1.3.2 |
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5 | for which a new license (GPL+exception) is in place. |
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6 | */ |
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2004 | fschmid | 7 | #include "scimage.h" |
8 | #include "scribus.h" |
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5243 | cbradney | 9 | #include "scribuscore.h" |
2074 | fschmid | 10 | #include <qtextstream.h> |
2125 | cbradney | 11 | #include <cassert> |
2004 | fschmid | 12 | #ifdef HAVE_CMS |
13 | #include CMS_INC |
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14 | extern cmsHPROFILE CMSoutputProf; |
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15 | extern cmsHPROFILE CMSprinterProf; |
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5369 | mrdocs | 16 | extern cmsHTRANSFORM stdTransRGBMonG; |
17 | extern cmsHTRANSFORM stdTransCMYKMonG; |
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2004 | fschmid | 18 | extern cmsHTRANSFORM stdProofG; |
19 | extern cmsHTRANSFORM stdTransImgG; |
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20 | extern cmsHTRANSFORM stdProofImgG; |
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21 | extern bool BlackPoint; |
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22 | extern bool SoftProofing; |
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23 | extern bool Gamut; |
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24 | extern bool CMSuse; |
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5345 | mrdocs | 25 | extern int IntentColors; |
26 | extern int IntentImages; |
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2004 | fschmid | 27 | #endif |
4506 | cbradney | 28 | #include "gsutil.h" |
3685 | fschmid | 29 | #include "exif.h" |
4546 | subik | 30 | #include "commonstrings.h" |
2004 | fschmid | 31 | |
32 | |||
33 | typedef struct my_error_mgr |
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34 | { |
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35 | struct jpeg_error_mgr pub; /* "public" fields */ |
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36 | jmp_buf setjmp_buffer; /* for return to caller */ |
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37 | } |
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38 | *my_error_ptr; |
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39 | |||
40 | static void my_error_exit (j_common_ptr cinfo) |
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41 | { |
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42 | my_error_ptr myerr = (my_error_ptr) cinfo->err; |
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43 | (*cinfo->err->output_message) (cinfo); |
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44 | longjmp (myerr->setjmp_buffer, 1); |
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45 | } |
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46 | |||
47 | static QDataStream & operator>> ( QDataStream & s, ScImage::PSDHeader & header ) |
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48 | { |
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49 | s >> header.signature; |
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50 | s >> header.version; |
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51 | for( int i = 0; i < 6; i++ ) |
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52 | { |
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53 | s >> header.reserved[i]; |
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54 | } |
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55 | s >> header.channel_count; |
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56 | s >> header.height; |
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57 | s >> header.width; |
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58 | s >> header.depth; |
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59 | s >> header.color_mode; |
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60 | return s; |
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61 | } |
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62 | |||
5593 | avox | 63 | |
4222 | craig | 64 | ScImage::ScImage(const QImage & image) : QImage(image) |
2004 | fschmid | 65 | { |
2012 | fschmid | 66 | initialize(); |
2004 | fschmid | 67 | } |
68 | |||
5593 | avox | 69 | |
70 | // ScImage will use implicit sharing: |
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71 | ScImage::ScImage(const ScImage & image) : QImage(image.copy()) |
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72 | { |
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73 | initialize(); |
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74 | } |
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75 | |||
76 | |||
2004 | fschmid | 77 | ScImage::ScImage() : QImage() |
78 | { |
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2012 | fschmid | 79 | initialize(); |
2004 | fschmid | 80 | } |
81 | |||
82 | ScImage::ScImage( int width, int height ) : QImage( width, height, 32 ) |
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83 | { |
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2012 | fschmid | 84 | initialize(); |
85 | } |
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86 | |||
5593 | avox | 87 | const QImage& ScImage::qImage() |
88 | { |
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89 | return *this; |
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90 | } |
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91 | |||
92 | QImage ScImage::smoothScale(int h, int w, QImage::ScaleMode mode) const |
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93 | { |
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94 | return QImage::smoothScale(h,w,mode); |
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95 | } |
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96 | |||
97 | |||
2012 | fschmid | 98 | void ScImage::initialize() |
99 | { |
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2004 | fschmid | 100 | imgInfo.xres = 72; |
101 | imgInfo.yres = 72; |
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102 | imgInfo.colorspace = 0; |
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103 | imgInfo.valid = false; |
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104 | imgInfo.isRequest = false; |
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5567 | mrdocs | 105 | imgInfo.isEmbedded = false; |
2004 | fschmid | 106 | imgInfo.progressive = false; |
3703 | fschmid | 107 | imgInfo.exifDataValid = false; |
2025 | fschmid | 108 | imgInfo.lowResType = 1; |
109 | imgInfo.lowResScale = 1.0; |
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2004 | fschmid | 110 | imgInfo.PDSpathData.clear(); |
111 | imgInfo.RequestProps.clear(); |
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112 | imgInfo.clipPath = ""; |
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113 | imgInfo.usedPath = ""; |
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114 | imgInfo.layerInfo.clear(); |
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3703 | fschmid | 115 | imgInfo.exifInfo.cameraName = ""; |
116 | imgInfo.exifInfo.cameraVendor = ""; |
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117 | imgInfo.exifInfo.thumbnail = QImage(); |
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4331 | fschmid | 118 | imgInfo.BBoxX = 0; |
119 | imgInfo.BBoxH = 0; |
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2004 | fschmid | 120 | } |
121 | |||
4050 | cbradney | 122 | ScImage::~ScImage() |
123 | { |
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124 | curveTable.resize(0); |
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125 | } |
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126 | |||
2886 | fschmid | 127 | void ScImage::applyEffect(QValueList<imageEffect> effectsList, QMap<QString,ScColor> colors, bool cmyk) |
2074 | fschmid | 128 | { |
129 | if (effectsList.count() != 0) |
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130 | { |
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131 | for (uint a = 0; a < effectsList.count(); ++a) |
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132 | { |
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2082 | fschmid | 133 | if ((*effectsList.at(a)).effectCode == EF_INVERT) |
2074 | fschmid | 134 | invert(cmyk); |
2082 | fschmid | 135 | if ((*effectsList.at(a)).effectCode == EF_GRAYSCALE) |
2074 | fschmid | 136 | toGrayscale(cmyk); |
2082 | fschmid | 137 | if ((*effectsList.at(a)).effectCode == EF_COLORIZE) |
2074 | fschmid | 138 | { |
139 | QString tmpstr = (*effectsList.at(a)).effectParameters; |
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4546 | subik | 140 | QString col = CommonStrings::None; |
2074 | fschmid | 141 | int shading = 100; |
142 | QTextStream fp(&tmpstr, IO_ReadOnly); |
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143 | fp >> col; |
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144 | fp >> shading; |
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145 | colorize(colors[col], shading, cmyk); |
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146 | } |
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2082 | fschmid | 147 | if ((*effectsList.at(a)).effectCode == EF_BRIGHTNESS) |
148 | { |
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149 | QString tmpstr = (*effectsList.at(a)).effectParameters; |
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150 | int brightnessValue = 0; |
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151 | QTextStream fp(&tmpstr, IO_ReadOnly); |
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152 | fp >> brightnessValue; |
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153 | brightness(brightnessValue, cmyk); |
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154 | } |
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155 | if ((*effectsList.at(a)).effectCode == EF_CONTRAST) |
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156 | { |
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157 | QString tmpstr = (*effectsList.at(a)).effectParameters; |
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158 | int contrastValue = 0; |
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159 | QTextStream fp(&tmpstr, IO_ReadOnly); |
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160 | fp >> contrastValue; |
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161 | contrast(contrastValue, cmyk); |
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162 | } |
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2092 | fschmid | 163 | if ((*effectsList.at(a)).effectCode == EF_SHARPEN) |
164 | { |
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165 | QString tmpstr = (*effectsList.at(a)).effectParameters; |
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166 | double radius, sigma; |
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167 | QTextStream fp(&tmpstr, IO_ReadOnly); |
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168 | fp >> radius; |
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169 | fp >> sigma; |
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170 | sharpen(radius, sigma); |
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171 | } |
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2095 | fschmid | 172 | if ((*effectsList.at(a)).effectCode == EF_BLUR) |
173 | { |
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174 | QString tmpstr = (*effectsList.at(a)).effectParameters; |
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175 | double radius, sigma; |
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176 | QTextStream fp(&tmpstr, IO_ReadOnly); |
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177 | fp >> radius; |
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178 | fp >> sigma; |
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179 | blur(radius, sigma); |
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180 | } |
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2096 | fschmid | 181 | if ((*effectsList.at(a)).effectCode == EF_SOLARIZE) |
182 | { |
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183 | QString tmpstr = (*effectsList.at(a)).effectParameters; |
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184 | double sigma; |
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185 | QTextStream fp(&tmpstr, IO_ReadOnly); |
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186 | fp >> sigma; |
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187 | solarize(sigma, cmyk); |
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188 | } |
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2074 | fschmid | 189 | } |
190 | } |
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191 | } |
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192 | |||
2095 | fschmid | 193 | void ScImage::liberateMemory(void **memory) |
194 | { |
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195 | assert(memory != (void **)NULL); |
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196 | if(*memory == (void *)NULL) |
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197 | return; |
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198 | free(*memory); |
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199 | *memory=(void *) NULL; |
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200 | } |
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201 | |||
2096 | fschmid | 202 | void ScImage::solarize(double factor, bool cmyk) |
203 | { |
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204 | curveTable.resize(256); |
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205 | int fk = qRound(255 / factor); |
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206 | for (int i = 0; i < 256; ++i) |
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207 | { |
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208 | curveTable[i] = QMIN(255, static_cast<int>(i / fk) * fk); |
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209 | } |
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210 | applyCurve(cmyk); |
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211 | } |
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212 | |||
2095 | fschmid | 213 | void ScImage::blurScanLine(double *kernel, int width, unsigned int *src, unsigned int *dest, int columns) |
214 | { |
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215 | register double *p; |
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216 | unsigned int *q; |
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217 | register int x; |
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218 | register long i; |
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219 | double red, green, blue, alpha; |
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220 | double scale = 0.0; |
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221 | if(width > columns) |
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222 | { |
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223 | for(x=0; x < columns; ++x) |
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224 | { |
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225 | scale = 0.0; |
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226 | red = blue = green = alpha = 0.0; |
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227 | p = kernel; |
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228 | q = src; |
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229 | for(i=0; i < columns; ++i) |
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230 | { |
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231 | if((i >= (x-width/2)) && (i <= (x+width/2))) |
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232 | { |
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233 | red += (*p)*(qRed(*q)*257); |
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234 | green += (*p)*(qGreen(*q)*257); |
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235 | blue += (*p)*(qBlue(*q)*257); |
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236 | alpha += (*p)*(qAlpha(*q)*257); |
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237 | } |
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238 | if(((i+width/2-x) >= 0) && ((i+width/2-x) < width)) |
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239 | scale+=kernel[i+width/2-x]; |
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240 | p++; |
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241 | q++; |
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242 | } |
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243 | scale = 1.0/scale; |
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244 | red = scale*(red+0.5); |
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245 | green = scale*(green+0.5); |
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246 | blue = scale*(blue+0.5); |
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247 | alpha = scale*(alpha+0.5); |
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248 | red = red < 0 ? 0 : red > 65535 ? 65535 : red; |
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249 | green = green < 0 ? 0 : green > 65535 ? 65535 : green; |
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250 | blue = blue < 0 ? 0 : blue > 65535 ? 65535 : blue; |
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251 | alpha = alpha < 0 ? 0 : alpha > 65535 ? 65535 : alpha; |
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252 | dest[x] = qRgba((unsigned char)(red/257UL), |
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253 | (unsigned char)(green/257UL), |
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254 | (unsigned char)(blue/257UL), |
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255 | (unsigned char)(alpha/257UL)); |
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256 | } |
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257 | return; |
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258 | } |
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259 | |||
260 | for(x=0; x < width/2; ++x) |
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261 | { |
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262 | scale = 0.0; |
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263 | red = blue = green = alpha = 0.0; |
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264 | p = kernel+width/2-x; |
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265 | q = src; |
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266 | for(i=width/2-x; i < width; ++i) |
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267 | { |
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268 | red += (*p)*(qRed(*q)*257); |
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269 | green += (*p)*(qGreen(*q)*257); |
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270 | blue += (*p)*(qBlue(*q)*257); |
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271 | alpha += (*p)*(qAlpha(*q)*257); |
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272 | scale += (*p); |
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273 | p++; |
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274 | q++; |
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275 | } |
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276 | scale=1.0/scale; |
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277 | red = scale*(red+0.5); |
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278 | green = scale*(green+0.5); |
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279 | blue = scale*(blue+0.5); |
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280 | alpha = scale*(alpha+0.5); |
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281 | red = red < 0 ? 0 : red > 65535 ? 65535 : red; |
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282 | green = green < 0 ? 0 : green > 65535 ? 65535 : green; |
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283 | blue = blue < 0 ? 0 : blue > 65535 ? 65535 : blue; |
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284 | alpha = alpha < 0 ? 0 : alpha > 65535 ? 65535 : alpha; |
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285 | dest[x] = qRgba((unsigned char)(red/257UL), |
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286 | (unsigned char)(green/257UL), |
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287 | (unsigned char)(blue/257UL), |
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288 | (unsigned char)(alpha/257UL)); |
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289 | } |
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290 | for(; x < columns-width/2; ++x) |
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291 | { |
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292 | red = blue = green = alpha = 0.0; |
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293 | p = kernel; |
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294 | q = src+(x-width/2); |
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295 | for (i=0; i < (long) width; ++i) |
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296 | { |
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297 | red += (*p)*(qRed(*q)*257); |
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298 | green += (*p)*(qGreen(*q)*257); |
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299 | blue += (*p)*(qBlue(*q)*257); |
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300 | alpha += (*p)*(qAlpha(*q)*257); |
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301 | p++; |
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302 | q++; |
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303 | } |
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304 | red = scale*(red+0.5); |
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305 | green = scale*(green+0.5); |
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306 | blue = scale*(blue+0.5); |
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307 | alpha = scale*(alpha+0.5); |
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308 | red = red < 0 ? 0 : red > 65535 ? 65535 : red; |
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309 | green = green < 0 ? 0 : green > 65535 ? 65535 : green; |
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310 | blue = blue < 0 ? 0 : blue > 65535 ? 65535 : blue; |
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311 | alpha = alpha < 0 ? 0 : alpha > 65535 ? 65535 : alpha; |
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312 | dest[x] = qRgba((unsigned char)(red/257UL), |
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313 | (unsigned char)(green/257UL), |
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314 | (unsigned char)(blue/257UL), |
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315 | (unsigned char)(alpha/257UL)); |
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316 | } |
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317 | for(; x < columns; ++x) |
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318 | { |
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319 | red = blue = green = alpha = 0.0; |
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320 | scale=0; |
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321 | p = kernel; |
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322 | q = src+(x-width/2); |
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323 | for(i=0; i < columns-x+width/2; ++i) |
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324 | { |
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325 | red += (*p)*(qRed(*q)*257); |
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326 | green += (*p)*(qGreen(*q)*257); |
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327 | blue += (*p)*(qBlue(*q)*257); |
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328 | alpha += (*p)*(qAlpha(*q)*257); |
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329 | scale += (*p); |
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330 | p++; |
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331 | q++; |
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332 | } |
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333 | scale=1.0/scale; |
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334 | red = scale*(red+0.5); |
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335 | green = scale*(green+0.5); |
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336 | blue = scale*(blue+0.5); |
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337 | alpha = scale*(alpha+0.5); |
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338 | red = red < 0 ? 0 : red > 65535 ? 65535 : red; |
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339 | green = green < 0 ? 0 : green > 65535 ? 65535 : green; |
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340 | blue = blue < 0 ? 0 : blue > 65535 ? 65535 : blue; |
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341 | alpha = alpha < 0 ? 0 : alpha > 65535 ? 65535 : alpha; |
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342 | dest[x] = qRgba((unsigned char)(red/257UL), |
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343 | (unsigned char)(green/257UL), |
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344 | (unsigned char)(blue/257UL), |
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345 | (unsigned char)(alpha/257UL)); |
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346 | } |
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347 | } |
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348 | |||
349 | int ScImage::getBlurKernel(int width, double sigma, double **kernel) |
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350 | { |
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351 | double alpha, normalize; |
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352 | register long i; |
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353 | int bias; |
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354 | assert(sigma != 0.0); |
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355 | if(width == 0) |
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356 | width = 3; |
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357 | *kernel=(double *)malloc(width*sizeof(double)); |
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358 | if(*kernel == (double *)NULL) |
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359 | return(0); |
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360 | memset(*kernel, 0, width*sizeof(double)); |
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361 | bias = 3*width/2; |
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362 | for(i=(-bias); i <= bias; i++) |
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363 | { |
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364 | alpha=exp(-((double) i*i)/(2.0*3*3*sigma*sigma)); |
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365 | (*kernel)[(i+bias)/3]+=alpha/(2.50662827463100024161235523934010416269302368164062*sigma); |
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366 | } |
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367 | normalize=0; |
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368 | for(i=0; i < width; i++) |
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369 | normalize+=(*kernel)[i]; |
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370 | for(i=0; i < width; i++) |
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371 | (*kernel)[i]/=normalize; |
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372 | return(width); |
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373 | } |
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374 | |||
375 | void ScImage::blur(double radius, double sigma) |
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376 | { |
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377 | double *kernel; |
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378 | QImage dest; |
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379 | int widthk; |
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380 | int x, y; |
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381 | unsigned int *scanline, *temp; |
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382 | unsigned int *p, *q; |
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383 | if(sigma == 0.0) |
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384 | return; |
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385 | kernel=(double *) NULL; |
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386 | if(radius > 0) |
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387 | widthk=getBlurKernel((int) (2*ceil(radius)+1),sigma,&kernel); |
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388 | else |
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389 | { |
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390 | double *last_kernel; |
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391 | last_kernel=(double *) NULL; |
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392 | widthk=getBlurKernel(3,sigma,&kernel); |
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393 | while ((long) (255*kernel[0]) > 0) |
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394 | { |
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395 | if(last_kernel != (double *)NULL) |
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396 | { |
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397 | liberateMemory((void **) &last_kernel); |
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398 | } |
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399 | last_kernel=kernel; |
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400 | kernel = (double *)NULL; |
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401 | widthk = getBlurKernel(widthk+2, sigma, &kernel); |
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402 | } |
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403 | if(last_kernel != (double *) NULL) |
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404 | { |
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405 | liberateMemory((void **) &kernel); |
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406 | widthk-=2; |
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407 | kernel = last_kernel; |
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408 | } |
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409 | } |
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410 | if(widthk < 3) |
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411 | { |
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412 | liberateMemory((void **) &kernel); |
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413 | return; |
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414 | } |
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415 | dest.create(width(), height(), 32); |
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416 | scanline = (unsigned int *)malloc(sizeof(unsigned int)*height()); |
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417 | temp = (unsigned int *)malloc(sizeof(unsigned int)*height()); |
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418 | for(y=0; y < height(); ++y) |
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419 | { |
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420 | p = (unsigned int *)scanLine(y); |
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421 | q = (unsigned int *)dest.scanLine(y); |
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422 | blurScanLine(kernel, widthk, p, q, width()); |
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423 | } |
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424 | unsigned int **srcTable = (unsigned int **)jumpTable(); |
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425 | unsigned int **destTable = (unsigned int **)dest.jumpTable(); |
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426 | for(x=0; x < width(); ++x) |
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427 | { |
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428 | for(y=0; y < height(); ++y) |
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429 | { |
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430 | scanline[y] = srcTable[y][x]; |
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431 | } |
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432 | blurScanLine(kernel, widthk, scanline, temp, height()); |
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433 | for(y=0; y < height(); ++y) |
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434 | { |
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435 | destTable[y][x] = temp[y]; |
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436 | } |
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437 | } |
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438 | liberateMemory((void **) &scanline); |
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439 | liberateMemory((void **) &temp); |
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440 | liberateMemory((void **) &kernel); |
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441 | for( int yi=0; yi < dest.height(); ++yi ) |
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442 | { |
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443 | QRgb *s = (QRgb*)(dest.scanLine( yi )); |
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444 | QRgb *d = (QRgb*)(scanLine( yi )); |
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445 | for(int xi=0; xi < dest.width(); ++xi ) |
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446 | { |
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447 | (*d) = (*s); |
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448 | s++; |
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449 | d++; |
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450 | } |
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451 | } |
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452 | return; |
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453 | } |
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454 | |||
2092 | fschmid | 455 | bool ScImage::convolveImage(QImage *dest, const unsigned int order, const double *kernel) |
456 | { |
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457 | long widthk; |
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458 | double red, green, blue, alpha; |
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459 | double normalize, *normal_kernel; |
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460 | register const double *k; |
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461 | register unsigned int *q; |
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462 | int x, y, mx, my, sx, sy; |
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463 | long i; |
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464 | int mcx, mcy; |
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465 | widthk = order; |
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466 | if((widthk % 2) == 0) |
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467 | return(false); |
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468 | normal_kernel = (double *)malloc(widthk*widthk*sizeof(double)); |
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469 | if(!normal_kernel) |
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470 | return(false); |
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471 | dest->reset(); |
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472 | dest->create(width(), height(), 32); |
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473 | normalize=0.0; |
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474 | for(i=0; i < (widthk*widthk); i++) |
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475 | normalize += kernel[i]; |
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476 | if(fabs(normalize) <= 1.0e-12) |
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477 | normalize=1.0; |
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478 | normalize=1.0/normalize; |
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479 | for(i=0; i < (widthk*widthk); i++) |
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480 | normal_kernel[i] = normalize*kernel[i]; |
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481 | unsigned int **jumpTablek = (unsigned int **)jumpTable(); |
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482 | for(y=0; y < dest->height(); ++y) |
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483 | { |
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484 | sy = y-(widthk/2); |
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485 | q = (unsigned int *)dest->scanLine(y); |
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486 | for(x=0; x < dest->width(); ++x) |
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487 | { |
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488 | k = normal_kernel; |
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489 | red = green = blue = alpha = 0; |
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490 | sy = y-(widthk/2); |
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491 | for(mcy=0; mcy < widthk; ++mcy, ++sy) |
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492 | { |
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493 | my = sy < 0 ? 0 : sy > height()-1 ? height()-1 : sy; |
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494 | sx = x+(-widthk/2); |
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495 | for(mcx=0; mcx < widthk; ++mcx, ++sx) |
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496 | { |
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497 | mx = sx < 0 ? 0 : sx > width()-1 ? width()-1 : sx; |
||
498 | red += (*k)*(qRed(jumpTablek[my][mx])*257); |
||
499 | green += (*k)*(qGreen(jumpTablek[my][mx])*257); |
||
500 | blue += (*k)*(qBlue(jumpTablek[my][mx])*257); |
||
501 | alpha += (*k)*(qAlpha(jumpTablek[my][mx])*257); |
||
502 | ++k; |
||
503 | } |
||
504 | } |
||
505 | red = red < 0 ? 0 : red > 65535 ? 65535 : red+0.5; |
||
506 | green = green < 0 ? 0 : green > 65535 ? 65535 : green+0.5; |
||
507 | blue = blue < 0 ? 0 : blue > 65535 ? 65535 : blue+0.5; |
||
508 | alpha = alpha < 0 ? 0 : alpha > 65535 ? 65535 : alpha+0.5; |
||
509 | *q++ = qRgba((unsigned char)(red/257UL), |
||
2095 | fschmid | 510 | (unsigned char)(green/257UL), |
511 | (unsigned char)(blue/257UL), |
||
512 | (unsigned char)(alpha/257UL)); |
||
2092 | fschmid | 513 | } |
514 | } |
||
2095 | fschmid | 515 | free(normal_kernel); |
2092 | fschmid | 516 | return(true); |
517 | } |
||
518 | |||
519 | int ScImage::getOptimalKernelWidth(double radius, double sigma) |
||
520 | { |
||
521 | double normalize, value; |
||
522 | long width; |
||
523 | register long u; |
||
524 | assert(sigma != 0.0); |
||
525 | if(radius > 0.0) |
||
526 | return((int)(2.0*ceil(radius)+1.0)); |
||
527 | for(width=5; ;) |
||
528 | { |
||
529 | normalize=0.0; |
||
530 | for(u=(-width/2); u <= (width/2); u++) |
||
531 | normalize+=exp(-((double) u*u)/(2.0*sigma*sigma))/(2.50662827463100024161235523934010416269302368164062*sigma); |
||
532 | u=width/2; |
||
533 | value=exp(-((double) u*u)/(2.0*sigma*sigma))/(2.50662827463100024161235523934010416269302368164062*sigma)/normalize; |
||
534 | if((long)(65535*value) <= 0) |
||
535 | break; |
||
536 | width+=2; |
||
537 | } |
||
538 | return((int)width-2); |
||
539 | } |
||
540 | |||
541 | void ScImage::sharpen(double radius, double sigma) |
||
542 | { |
||
543 | double alpha, normalize, *kernel; |
||
544 | int widthk; |
||
545 | register long i, u, v; |
||
546 | QImage dest; |
||
547 | if(sigma == 0.0) |
||
548 | return; |
||
549 | widthk = getOptimalKernelWidth(radius, sigma); |
||
550 | if(width() < widthk) |
||
551 | return; |
||
552 | kernel = (double *)malloc(widthk*widthk*sizeof(double)); |
||
553 | if(!kernel) |
||
554 | return; |
||
555 | i = 0; |
||
556 | normalize=0.0; |
||
557 | for (v=(-widthk/2); v <= (widthk/2); v++) |
||
558 | { |
||
559 | for (u=(-widthk/2); u <= (widthk/2); u++) |
||
560 | { |
||
561 | alpha=exp(-((double) u*u+v*v)/(2.0*sigma*sigma)); |
||
562 | kernel[i]=alpha/(2.0*3.14159265358979323846264338327950288419716939937510*sigma*sigma); |
||
563 | normalize+=kernel[i]; |
||
564 | i++; |
||
565 | } |
||
566 | } |
||
567 | kernel[i/2]=(-2.0)*normalize; |
||
568 | convolveImage(&dest, widthk, kernel); |
||
2095 | fschmid | 569 | liberateMemory((void **) &kernel); |
2092 | fschmid | 570 | for( int yi=0; yi < dest.height(); ++yi ) |
571 | { |
||
572 | QRgb *s = (QRgb*)(dest.scanLine( yi )); |
||
573 | QRgb *d = (QRgb*)(scanLine( yi )); |
||
574 | for(int xi=0; xi < dest.width(); ++xi ) |
||
575 | { |
||
576 | (*d) = (*s); |
||
577 | s++; |
||
578 | d++; |
||
579 | } |
||
580 | } |
||
581 | return; |
||
582 | } |
||
583 | |||
2082 | fschmid | 584 | void ScImage::contrast(int contrastValue, bool cmyk) |
585 | { |
||
586 | curveTable.resize(256); |
||
587 | QPoint p1(0,0 - contrastValue); |
||
588 | QPoint p2(256, 256 + contrastValue); |
||
589 | double mc = (p1.y() - p2.y()) / (double)(p1.x() - p2.x()); |
||
590 | for (int i = 0; i < 256; ++i) |
||
591 | { |
||
592 | curveTable[i] = QMIN(255, QMAX(0, int(i * mc) + p1.y())); |
||
593 | } |
||
594 | applyCurve(cmyk); |
||
595 | } |
||
596 | |||
597 | void ScImage::brightness(int brightnessValue, bool cmyk) |
||
598 | { |
||
599 | curveTable.resize(256); |
||
600 | QPoint p1(0,0 + brightnessValue); |
||
601 | QPoint p2(256, 256 + brightnessValue); |
||
602 | double mc = (p1.y() - p2.y()) / (double)(p1.x() - p2.x()); |
||
603 | for (int i = 0; i < 256; ++i) |
||
604 | { |
||
605 | curveTable[i] = QMIN(255, QMAX(0, int(i * mc) + p1.y())); |
||
606 | } |
||
607 | applyCurve(cmyk); |
||
608 | } |
||
609 | |||
610 | void ScImage::applyCurve(bool cmyk) |
||
611 | { |
||
612 | int h = height(); |
||
613 | int w = width(); |
||
614 | for( int yi=0; yi < h; ++yi ) |
||
615 | { |
||
616 | QRgb * s = (QRgb*)(scanLine( yi )); |
||
617 | for( int xi=0; xi < w; ++xi ) |
||
618 | { |
||
619 | QRgb r=*s; |
||
620 | int c, m, y, k; |
||
621 | if (cmyk) |
||
622 | { |
||
2766 | cbradney | 623 | unsigned char *p = (unsigned char *) s; |
624 | unsigned char rc = 255 - QMIN(255, p[0] + p[3]); |
||
625 | unsigned char gc = 255 - QMIN(255, p[1] + p[3]); |
||
626 | unsigned char bc = 255 - QMIN(255, p[2] + p[3]); |
||
4419 | cbradney | 627 | c = 255 - curveTable[(int)rc]; |
628 | m = 255 - curveTable[(int)gc]; |
||
629 | y = 255 - curveTable[(int)bc]; |
||
2082 | fschmid | 630 | k = QMIN(QMIN(c, m), y); |
631 | *s = qRgba(y - k, m - k, c - k, k ); |
||
632 | } |
||
633 | else |
||
634 | { |
||
635 | c = curveTable[qRed(r)]; |
||
636 | m = curveTable[qGreen(r)]; |
||
637 | y = curveTable[qBlue(r)]; |
||
638 | k = qAlpha(r); |
||
639 | *s = qRgba(c, m, y, k); |
||
640 | } |
||
641 | s++; |
||
642 | } |
||
643 | } |
||
644 | } |
||
645 | |||
2886 | fschmid | 646 | void ScImage::colorize(ScColor color, int shade, bool cmyk) |
2053 | fschmid | 647 | { |
648 | int h = height(); |
||
649 | int w = width(); |
||
650 | int cc, cm, cy, ck; |
||
2057 | fschmid | 651 | int hu, sa, v; |
2886 | fschmid | 652 | ScColor tmp2; |
2057 | fschmid | 653 | QColor tmpR; |
2053 | fschmid | 654 | if (cmyk) |
2057 | fschmid | 655 | color.getShadeColorCMYK(&cc, &cm, &cy, &ck, shade); |
2053 | fschmid | 656 | else |
657 | { |
||
658 | ck = 0; |
||
2057 | fschmid | 659 | color.getShadeColorRGB(&cc, &cm, &cy, shade); |
2053 | fschmid | 660 | } |
661 | for( int yi=0; yi < h; ++yi ) |
||
662 | { |
||
663 | QRgb * s = (QRgb*)(scanLine( yi )); |
||
664 | for( int xi=0; xi < w; ++xi ) |
||
665 | { |
||
666 | QRgb r=*s; |
||
667 | if (cmyk) |
||
668 | { |
||
2057 | fschmid | 669 | double k = QMIN(qRound(0.3 * qRed(r) + 0.59 * qGreen(r) + 0.11 * qBlue(r) + qAlpha(r)), 255) / 255.0; |
2053 | fschmid | 670 | *s = qRgba(QMIN(qRound(cc*k), 255), QMIN(qRound(cm*k), 255), QMIN(qRound(cy*k), 255), QMIN(qRound(ck*k), 255)); |
671 | } |
||
672 | else |
||
673 | { |
||
2057 | fschmid | 674 | int k = 255 - QMIN(qRound(0.3 * qRed(r) + 0.59 * qGreen(r) + 0.11 * qBlue(r)), 255); |
675 | int cc2, cm2, cy2; |
||
676 | tmpR.setRgb(cc, cm, cy); |
||
677 | tmpR.hsv(&hu, &sa, &v); |
||
678 | if (cc == cm && cm == cy) |
||
679 | tmpR.setHsv(hu, sa, 255 - ((255 - v) * k / 255)); |
||
680 | else |
||
681 | tmpR.setHsv(hu, sa * k / 255, v); |
||
682 | tmpR.getRgb(&cc2, &cm2, &cy2); |
||
2053 | fschmid | 683 | int a = qAlpha(r); |
2057 | fschmid | 684 | *s = qRgba(cc2, cm2, cy2, a); |
2053 | fschmid | 685 | } |
686 | s++; |
||
687 | } |
||
688 | } |
||
689 | } |
||
690 | |||
2057 | fschmid | 691 | void ScImage::invert(bool cmyk) |
692 | { |
||
693 | int h = height(); |
||
694 | int w = width(); |
||
695 | for( int yi=0; yi < h; ++yi ) |
||
696 | { |
||
697 | QRgb * s = (QRgb*)(scanLine( yi )); |
||
698 | for( int xi=0; xi < w; ++xi ) |
||
699 | { |
||
700 | if (cmyk) |
||
701 | { |
||
2766 | cbradney | 702 | unsigned char *p = (unsigned char *) s; |
2057 | fschmid | 703 | unsigned char c, m, y, k; |
2766 | cbradney | 704 | c = 255 - QMIN(255, p[0] + p[3]); |
705 | m = 255 - QMIN(255, p[1] + p[3]); |
||
706 | y = 255 - QMIN(255, p[2] + p[3]); |
||
2061 | fschmid | 707 | k = QMIN(QMIN(c, m), y); |
2766 | cbradney | 708 | p[0] = c - k; |
709 | p[1] = m - k; |
||
710 | p[2] = y - k; |
||
711 | p[3] = k; |
||
2057 | fschmid | 712 | } |
713 | else |
||
2766 | cbradney | 714 | *s ^= 0x00ffffff; |
2057 | fschmid | 715 | s++; |
716 | } |
||
717 | } |
||
718 | } |
||
719 | |||
2053 | fschmid | 720 | void ScImage::toGrayscale(bool cmyk) |
721 | { |
||
722 | int h = height(); |
||
723 | int w = width(); |
||
724 | for( int yi=0; yi < h; ++yi ) |
||
725 | { |
||
726 | QRgb * s = (QRgb*)(scanLine( yi )); |
||
727 | for( int xi=0; xi < w; ++xi ) |
||
728 | { |
||
729 | QRgb r=*s; |
||
730 | int k; |
||
731 | if (cmyk) |
||
732 | { |
||
2056 | fschmid | 733 | k = QMIN(qRound(0.3 * qRed(r) + 0.59 * qGreen(r) + 0.11 * qBlue(r) + qAlpha(r)), 255); |
2053 | fschmid | 734 | *s = qRgba(0, 0, 0, k); |
735 | } |
||
736 | else |
||
737 | { |
||
738 | k = QMIN(qRound(0.3 * qRed(r) + 0.59 * qGreen(r) + 0.11 * qBlue(r)), 255); |
||
739 | int a = qAlpha(r); |
||
740 | *s = qRgba(k, k, k, a); |
||
741 | } |
||
742 | s++; |
||
743 | } |
||
744 | } |
||
745 | } |
||
746 | |||
2012 | fschmid | 747 | void ScImage::swapRGBA() |
748 | { |
||
749 | for (int i = 0; i < height(); ++i) |
||
750 | { |
||
2766 | cbradney | 751 | unsigned int *ptr = (unsigned int *) scanLine(i); |
752 | unsigned char r, b; |
||
2012 | fschmid | 753 | for (int j = 0; j < width(); ++j) |
754 | { |
||
755 | unsigned char *p = (unsigned char *) ptr; |
||
2766 | cbradney | 756 | r = p[0]; |
757 | b = p[2]; |
||
758 | p[2] = r; |
||
759 | p[0] = b; |
||
760 | ptr++; |
||
2012 | fschmid | 761 | } |
762 | } |
||
763 | } |
||
764 | |||
2025 | fschmid | 765 | void ScImage::createLowRes(double scale) |
2012 | fschmid | 766 | { |
2025 | fschmid | 767 | int w = qRound(width() / scale); |
768 | int h = qRound(height() / scale); |
||
2012 | fschmid | 769 | QImage tmp = smoothScale(w, h); |
770 | create(w, h, 32); |
||
771 | for( int yi=0; yi < tmp.height(); ++yi ) |
||
772 | { |
||
773 | QRgb *s = (QRgb*)(tmp.scanLine( yi )); |
||
774 | QRgb *d = (QRgb*)(scanLine( yi )); |
||
775 | for(int xi=0; xi < tmp.width(); ++xi ) |
||
776 | { |
||
777 | (*d) = (*s); |
||
778 | s++; |
||
779 | d++; |
||
780 | } |
||
781 | } |
||
782 | } |
||
783 | |||
2004 | fschmid | 784 | void ScImage::Convert2JPG(QString fn, int Quality, bool isCMYK, bool isGray) |
785 | { |
||
786 | struct jpeg_compress_struct cinfo; |
||
787 | struct my_error_mgr jerr; |
||
788 | FILE *outfile; |
||
789 | JSAMPROW row_pointer[1]; |
||
790 | row_pointer[0] = 0; |
||
791 | cinfo.err = jpeg_std_error (&jerr.pub); |
||
792 | jerr.pub.error_exit = my_error_exit; |
||
793 | outfile = NULL; |
||
794 | if (setjmp (jerr.setjmp_buffer)) |
||
795 | { |
||
796 | jpeg_destroy_compress (&cinfo); |
||
797 | if (outfile) |
||
798 | fclose (outfile); |
||
799 | return; |
||
800 | } |
||
801 | jpeg_create_compress (&cinfo); |
||
2643 | craig | 802 | if ((outfile = fopen (fn.local8Bit(), "wb")) == NULL) |
2004 | fschmid | 803 | return; |
804 | jpeg_stdio_dest (&cinfo, outfile); |
||
805 | cinfo.image_width = width(); |
||
806 | cinfo.image_height = height(); |
||
807 | if (isCMYK) |
||
808 | { |
||
809 | cinfo.in_color_space = JCS_CMYK; |
||
810 | cinfo.input_components = 4; |
||
811 | } |
||
812 | else |
||
813 | { |
||
814 | if (isGray) |
||
815 | { |
||
816 | cinfo.in_color_space = JCS_GRAYSCALE; |
||
817 | cinfo.input_components = 1; |
||
818 | } |
||
819 | else |
||
820 | { |
||
821 | cinfo.in_color_space = JCS_RGB; |
||
822 | cinfo.input_components = 3; |
||
823 | } |
||
824 | } |
||
825 | jpeg_set_defaults (&cinfo); |
||
826 | int qual[] = { 95, 85, 75, 50, 25 }; // These are the JPEG Quality settings 100 means best, 0 .. don't discuss |
||
827 | jpeg_set_quality (&cinfo, qual[Quality], true); |
||
2680 | cbradney | 828 | jpeg_start_compress (&cinfo, true); |
2004 | fschmid | 829 | row_pointer[0] = new uchar[cinfo.image_width*cinfo.input_components]; |
830 | int w = cinfo.image_width; |
||
831 | while (cinfo.next_scanline < cinfo.image_height) |
||
832 | { |
||
833 | uchar *row = row_pointer[0]; |
||
834 | if (isCMYK) |
||
835 | { |
||
836 | QRgb* rgba = (QRgb*)scanLine(cinfo.next_scanline); |
||
837 | for (int i=0; i<w; ++i) |
||
838 | { |
||
3963 | fschmid | 839 | *row++ = 255-qRed(*rgba); |
840 | *row++ = 255-qGreen(*rgba); |
||
841 | *row++ = 255-qBlue(*rgba); |
||
842 | *row++ = 255-qAlpha(*rgba); |
||
2004 | fschmid | 843 | ++rgba; |
844 | } |
||
845 | } |
||
846 | else |
||
847 | { |
||
848 | if (isGray) |
||
849 | { |
||
850 | QRgb* rgba = (QRgb*)scanLine(cinfo.next_scanline); |
||
851 | for (int i=0; i<w; ++i) |
||
852 | { |
||
853 | *row++ = qRed(*rgba); |
||
854 | ++rgba; |
||
855 | } |
||
856 | } |
||
857 | else |
||
858 | { |
||
859 | QRgb* rgb = (QRgb*)scanLine(cinfo.next_scanline); |
||
860 | for (int i=0; i<w; i++) |
||
861 | { |
||
862 | *row++ = qRed(*rgb); |
||
863 | *row++ = qGreen(*rgb); |
||
864 | *row++ = qBlue(*rgb); |
||
865 | ++rgb; |
||
866 | } |
||
867 | } |
||
868 | } |
||
869 | jpeg_write_scanlines (&cinfo, row_pointer, 1); |
||
870 | } |
||
871 | jpeg_finish_compress (&cinfo); |
||
872 | fclose (outfile); |
||
873 | jpeg_destroy_compress (&cinfo); |
||
874 | delete [] row_pointer[0]; |
||
875 | } |
||
876 | |||
5234 | fschmid | 877 | QByteArray ScImage::ImageToArray() |
2004 | fschmid | 878 | { |
2884 | fschmid | 879 | int i = 0; |
2004 | fschmid | 880 | int h = height(); |
881 | int w = width(); |
||
2884 | fschmid | 882 | unsigned char u; |
5234 | fschmid | 883 | QByteArray imgArray(3 * h * w); |
2004 | fschmid | 884 | for( int yi=0; yi < h; ++yi ) |
885 | { |
||
886 | QRgb * s = (QRgb*)(scanLine( yi )); |
||
887 | for( int xi=0; xi < w; ++xi ) |
||
888 | { |
||
889 | QRgb r=*s++; |
||
2884 | fschmid | 890 | u=qRed(r); |
5234 | fschmid | 891 | imgArray[i++] = u; |
2004 | fschmid | 892 | u=qGreen(r); |
5234 | fschmid | 893 | imgArray[i++] = u; |
2004 | fschmid | 894 | u=qBlue(r); |
5234 | fschmid | 895 | imgArray[i++] = u; |
2004 | fschmid | 896 | } |
897 | } |
||
5234 | fschmid | 898 | return imgArray; |
2004 | fschmid | 899 | } |
900 | |||
5234 | fschmid | 901 | QByteArray ScImage::ImageToGray() |
2004 | fschmid | 902 | { |
2884 | fschmid | 903 | int i = 0; |
2004 | fschmid | 904 | int h = height(); |
905 | int w = width(); |
||
5234 | fschmid | 906 | QByteArray imgArray(h * w); |
2004 | fschmid | 907 | for( int yi=0; yi < h; ++yi ) |
908 | { |
||
909 | QRgb * s = (QRgb*)(scanLine( yi )); |
||
910 | for( int xi=0; xi < w; ++xi ) |
||
911 | { |
||
912 | QRgb r=*s; |
||
913 | int k = QMIN(qRound(0.3 * qRed(r) + 0.59 * qGreen(r) + 0.11 * qBlue(r)), 255); |
||
914 | *s = qRgba(k, 0, 0, 0); |
||
5234 | fschmid | 915 | imgArray[i++] = k; |
2004 | fschmid | 916 | s++; |
917 | } |
||
918 | } |
||
5234 | fschmid | 919 | return imgArray; |
2004 | fschmid | 920 | } |
921 | |||
5234 | fschmid | 922 | QByteArray ScImage::ImageToCMYK_PDF(bool pre) |
2004 | fschmid | 923 | { |
2884 | fschmid | 924 | int i = 0; |
2004 | fschmid | 925 | int h = height(); |
926 | int w = width(); |
||
5234 | fschmid | 927 | QByteArray imgArray( 4 * h * w ); |
2004 | fschmid | 928 | if (pre) |
929 | { |
||
930 | for( int yi=0; yi < h; ++yi ) |
||
931 | { |
||
932 | QRgb * s = (QRgb*)(scanLine( yi )); |
||
933 | for( int xi=0; xi < w; ++xi ) |
||
934 | { |
||
935 | QRgb r=*s; |
||
936 | int c = qRed(r); |
||
937 | int m = qGreen(r); |
||
938 | int y = qBlue(r); |
||
939 | int k = qAlpha(r); |
||
5234 | fschmid | 940 | imgArray[i++] = static_cast<unsigned char> (c); |
941 | imgArray[i++] = static_cast<unsigned char> (m); |
||
942 | imgArray[i++] = static_cast<unsigned char> (y); |
||
943 | imgArray[i++] = static_cast<unsigned char> (k); |
||
2004 | fschmid | 944 | s++; |
945 | } |
||
946 | } |
||
947 | } |
||
948 | else |
||
949 | { |
||
950 | for( int yi=0; yi < h; ++yi ) |
||
951 | { |
||
952 | QRgb * s = (QRgb*)(scanLine( yi )); |
||
953 | for( int xi=0; xi < w; ++xi ) |
||
954 | { |
||
955 | QRgb r=*s; |
||
956 | int c = 255 - qRed(r); |
||
957 | int m = 255 - qGreen(r); |
||
958 | int y = 255 - qBlue(r); |
||
959 | int k = QMIN(QMIN(c, m), y); |
||
5234 | fschmid | 960 | imgArray[i++] = static_cast<unsigned char> (c - k); |
961 | imgArray[i++] = static_cast<unsigned char> (m - k); |
||
962 | imgArray[i++] = static_cast<unsigned char> (y - k); |
||
963 | imgArray[i++] = static_cast<unsigned char> (k); |
||
2004 | fschmid | 964 | s++; |
965 | } |
||
966 | } |
||
967 | } |
||
5234 | fschmid | 968 | return imgArray; |
2004 | fschmid | 969 | } |
970 | |||
5234 | fschmid | 971 | QByteArray ScImage::ImageToCMYK_PS(int pl, bool pre) |
2004 | fschmid | 972 | { |
2884 | fschmid | 973 | int i = 0; |
2004 | fschmid | 974 | int h = height(); |
975 | int w = width(); |
||
5234 | fschmid | 976 | QByteArray imgArray; |
2884 | fschmid | 977 | if(pl == -1) |
5234 | fschmid | 978 | imgArray.resize(4 * h * w); |
2884 | fschmid | 979 | else |
5234 | fschmid | 980 | imgArray.resize(h * w); |
2004 | fschmid | 981 | if (pre) |
982 | { |
||
983 | for( int yi=0; yi < h; ++yi ) |
||
984 | { |
||
985 | QRgb * s = (QRgb*)(scanLine( yi )); |
||
986 | for( int xi=0; xi < w; ++xi ) |
||
987 | { |
||
988 | QRgb r=*s++; |
||
989 | int c = qRed(r); |
||
990 | int m = qGreen(r); |
||
991 | int y = qBlue(r); |
||
992 | int k = qAlpha(r); |
||
993 | if (pl == -1) |
||
994 | { |
||
5234 | fschmid | 995 | imgArray[i++] = static_cast<unsigned char> (c); |
996 | imgArray[i++] = static_cast<unsigned char> (m); |
||
997 | imgArray[i++] = static_cast<unsigned char> (y); |
||
998 | imgArray[i++] = static_cast<unsigned char> (k); |
||
2004 | fschmid | 999 | } |
1000 | else |
||
1001 | { |
||
1002 | if (pl == -2) |
||
5234 | fschmid | 1003 | imgArray[i++] = static_cast<unsigned char> (QMIN(255, qRound(0.3 * c + 0.59 * m + 0.11 * y + k))); |
2004 | fschmid | 1004 | if (pl == 1) |
5234 | fschmid | 1005 | imgArray[i++] = static_cast<unsigned char> (c); |
2004 | fschmid | 1006 | if (pl == 2) |
5234 | fschmid | 1007 | imgArray[i++] = static_cast<unsigned char> (m); |
2004 | fschmid | 1008 | if (pl == 3) |
5234 | fschmid | 1009 | imgArray[i++] = static_cast<unsigned char> (y); |
2004 | fschmid | 1010 | if (pl == 0) |
5234 | fschmid | 1011 | imgArray[i++] = static_cast<unsigned char> (k); |
2004 | fschmid | 1012 | } |
1013 | } |
||
1014 | } |
||
1015 | } |
||
1016 | else |
||
1017 | { |
||
1018 | for( int yi=0; yi < h; ++yi ) |
||
1019 | { |
||
1020 | QRgb * s = (QRgb*)(scanLine( yi )); |
||
1021 | for( int xi=0; xi < w; ++xi ) |
||
1022 | { |
||
1023 | QRgb r=*s++; |
||
1024 | int c = 255 - qRed(r); |
||
1025 | int m = 255 - qGreen(r); |
||
1026 | int y = 255 - qBlue(r); |
||
1027 | int k = QMIN(QMIN(c, m), y); |
||
1028 | if (pl == -1) |
||
1029 | { |
||
5234 | fschmid | 1030 | imgArray[i++] = static_cast<unsigned char> (c - k); |
1031 | imgArray[i++] = static_cast<unsigned char> (m - k); |
||
1032 | imgArray[i++] = static_cast<unsigned char> (y - k); |
||
1033 | imgArray[i++] = static_cast<unsigned char> (k); |
||
2004 | fschmid | 1034 | } |
1035 | else |
||
1036 | { |
||
1037 | if (pl == -2) |
||
5234 | fschmid | 1038 | imgArray[i++] = static_cast<unsigned char> (QMIN(255, qRound(0.3 * c + 0.59 * m + 0.11 * y + k))); |
2004 | fschmid | 1039 | if (pl == 1) |
5234 | fschmid | 1040 | imgArray[i++] = static_cast<unsigned char> (c - k); |
2004 | fschmid | 1041 | if (pl == 2) |
5234 | fschmid | 1042 | imgArray[i++] = static_cast<unsigned char> (m - k); |
2004 | fschmid | 1043 | if (pl == 3) |
5234 | fschmid | 1044 | imgArray[i++] = static_cast<unsigned char> (y - k); |
2004 | fschmid | 1045 | if (pl == 0) |
5234 | fschmid | 1046 | imgArray[i++] = static_cast<unsigned char> (k); |
2004 | fschmid | 1047 | } |
1048 | } |
||
1049 | } |
||
1050 | } |
||
5234 | fschmid | 1051 | return imgArray; |
2004 | fschmid | 1052 | } |
1053 | |||
1054 | // Check that the header is a valid PSD. |
||
1055 | bool ScImage::IsValid( const PSDHeader & header ) |
||
1056 | { |
||
1057 | if( header.signature != 0x38425053 ) |
||
1058 | return false; |
||
1059 | return true; |
||
1060 | } |
||
1061 | |||
1062 | // Check that the header is supported. |
||
1063 | bool ScImage::IsSupported( const PSDHeader & header ) |
||
1064 | { |
||
1065 | if ( header.version != 1 ) |
||
1066 | return false; |
||
1067 | if ( header.channel_count > 16 ) |
||
1068 | return false; |
||
1069 | if ( header.depth != 8 ) |
||
1070 | return false; |
||
3836 | fschmid | 1071 | if ((header.color_mode == CM_RGB) || (header.color_mode == CM_CMYK) |
1072 | || (header.color_mode == CM_GRAYSCALE) || (header.color_mode == CM_INDEXED)) |
||
2004 | fschmid | 1073 | return true; |
1074 | return false; |
||
1075 | } |
||
1076 | |||
1077 | unsigned char ScImage::INT_MULT ( unsigned char a, unsigned char b ) |
||
1078 | { |
||
1079 | int c = a * b + 0x80; |
||
1080 | return (unsigned char)(( ( c >> 8 ) + c ) >> 8); |
||
1081 | } |
||
1082 | |||
1083 | /*! |
||
1084 | * Convert a color in RGB space to HSV space (Hue, Saturation, Value). |
||
1085 | * \param red the red component (modified in place). |
||
1086 | * \param green the green component (modified in place). |
||
1087 | * \param blue the blue component (modified in place). |
||
1088 | */ |
||
1089 | void ScImage::RGBTOHSV ( uchar& red, uchar& green, uchar& blue ) |
||
1090 | { |
||
1091 | int r, g, b; |
||
1092 | double h, s, v; |
||
1093 | int min, max; |
||
1094 | h = 0.; |
||
1095 | r = red; |
||
1096 | g = green; |
||
1097 | b = blue; |
||
1098 | if ( r > g ) |
||
1099 | { |
||
1100 | max = QMAX( r, b ); |
||
1101 | min = QMIN( g, b ); |
||
1102 | } |
||
1103 | else |
||
1104 | { |
||
1105 | max = QMAX( g, b ); |
||
1106 | min = QMIN( r, b ); |
||
1107 | } |
||
1108 | v = max; |
||
1109 | if ( max != 0 ) |
||
1110 | s = ( ( max - min ) * 255 ) / (double)max; |
||
1111 | else |
||
1112 | s = 0; |
||
1113 | if ( s == 0 ) |
||
1114 | h = 0; |
||
1115 | else |
||
1116 | { |
||
1117 | int delta = max - min; |
||
1118 | if ( r == max ) |
||
1119 | h = ( g - b ) / (double)delta; |
||
1120 | else if ( g == max ) |
||
1121 | h = 2 + ( b - r ) / (double)delta; |
||
1122 | else if ( b == max ) |
||
1123 | h = 4 + ( r - g ) / (double)delta; |
||
1124 | h *= 42.5; |
||
1125 | if ( h < 0 ) |
||
1126 | h += 255; |
||
1127 | if ( h > 255 ) |
||
1128 | h -= 255; |
||
1129 | } |
||
1130 | red = (uchar)h; |
||
1131 | green = (uchar)s; |
||
1132 | blue = (uchar)v; |
||
1133 | } |
||
1134 | |||
1135 | /*! |
||
1136 | * Convert a color in HSV space to RGB space. |
||
1137 | * \param hue the hue component (modified in place). |
||
1138 | * \param saturation the saturation component (modified in place). |
||
1139 | * \param value the value component (modified in place). |
||
1140 | */ |
||
1141 | void ScImage::HSVTORGB ( uchar& hue, uchar& saturation, uchar& value ) |
||
1142 | { |
||
1143 | if ( saturation == 0 ) |
||
1144 | { |
||
1145 | hue = value; |
||
1146 | saturation = value; |
||
1147 | value = value; |
||
1148 | } |
||
1149 | else |
||
1150 | { |
||
1151 | double h = hue * 6. / 255.; |
||
1152 | double s = saturation / 255.; |
||
1153 | double v = value / 255.; |
||
1154 | |||
1155 | double f = h - (int)h; |
||
1156 | double p = v * ( 1. - s ); |
||
1157 | double q = v * ( 1. - ( s * f ) ); |
||
1158 | double t = v * ( 1. - ( s * ( 1. - f ) ) ); |
||
1159 | // Worth a note here that gcc 2.96 will generate different results |
||
1160 | // depending on optimization mode on i386. |
||
1161 | switch ((int)h) |
||
1162 | { |
||
1163 | case 0: |
||
1164 | hue = (uchar)( v * 255 ); |
||
1165 | saturation = (uchar)( t * 255 ); |
||
1166 | value = (uchar)( p * 255 ); |
||
1167 | break; |
||
1168 | case 1: |
||
1169 | hue = (uchar)( q * 255 ); |
||
1170 | saturation = (uchar)( v * 255 ); |
||
1171 | value = (uchar)( p * 255 ); |
||
1172 | break; |
||
1173 | case 2: |
||
1174 | hue = (uchar)( p * 255 ); |
||
1175 | saturation = (uchar)( v * 255 ); |
||
1176 | value = (uchar)( t * 255 ); |
||
1177 | break; |
||
1178 | case 3: |
||
1179 | hue = (uchar)( p * 255 ); |
||
1180 | saturation = (uchar)( q * 255 ); |
||
1181 | value = (uchar)( v * 255 ); |
||
1182 | break; |
||
1183 | case 4: |
||
1184 | hue = (uchar)( t * 255 ); |
||
1185 | saturation = (uchar)( p * 255 ); |
||
1186 | value = (uchar)( v * 255 ); |
||
1187 | break; |
||
1188 | case 5: |
||
1189 | hue = (uchar)( v * 255 ); |
||
1190 | saturation = (uchar)( p * 255 ); |
||
1191 | value = (uchar)( q * 255 ); |
||
1192 | } |
||
1193 | } |
||
1194 | } |
||
1195 | |||
1196 | /*! |
||
1197 | * Convert a color in RGB space to HLS space (Hue, Lightness, Saturation). |
||
1198 | * \param red the red component (modified in place). |
||
1199 | * \param green the green component (modified in place). |
||
1200 | * \param blue the blue component (modified in place). |
||
1201 | */ |
||
1202 | void ScImage::RGBTOHLS ( uchar& red, uchar& green, uchar& blue ) |
||
1203 | { |
||
1204 | int r = red; |
||
1205 | int g = green; |
||
1206 | int b = blue; |
||
1207 | int min, max; |
||
1208 | if ( r > g ) |
||
1209 | { |
||
1210 | max = QMAX( r, b ); |
||
1211 | min = QMIN( g, b ); |
||
1212 | } |
||
1213 | else |
||
1214 | { |
||
1215 | max = QMAX( g, b ); |
||
1216 | min = QMIN( r, b ); |
||
1217 | } |
||
1218 | double h; |
||
1219 | double l = ( max + min ) / 2.; |
||
1220 | double s; |
||
1221 | if ( max == min ) |
||
1222 | { |
||
1223 | s = 0.; |
||
1224 | h = 0.; |
||
1225 | } |
||
1226 | else |
||
1227 | { |
||
1228 | int delta = max - min; |
||
1229 | if ( l < 128 ) |
||
1230 | s = 255 * (double)delta / (double)( max + min ); |
||
1231 | else |
||
1232 | s = 255 * (double)delta / (double)( 511 - max - min ); |
||
1233 | if ( r == max ) |
||
1234 | h = ( g - b ) / (double)delta; |
||
1235 | else if ( g == max ) |
||
1236 | h = 2 + ( b - r ) / (double)delta; |
||
1237 | else |
||
1238 | h = 4 + ( r - g ) / (double)delta; |
||
1239 | h *= 42.5; |
||
1240 | if ( h < 0 ) |
||
1241 | h += 255; |
||
1242 | else if ( h > 255 ) |
||
1243 | h -= 255; |
||
1244 | } |
||
1245 | red = (uchar)h; |
||
1246 | green = (uchar)l; |
||
1247 | blue = (uchar)s; |
||
1248 | } |
||
1249 | |||
1250 | /*! |
||
1251 | * Implement the HLS "double hex-cone". |
||
1252 | * \param n1 lightness fraction (?) |
||
1253 | * \param n2 saturation fraction (?) |
||
1254 | * \param hue hue "angle". |
||
1255 | * \return HLS value. |
||
1256 | */ |
||
1257 | int ScImage::HLSVALUE ( double n1, double n2, double hue ) |
||
1258 | { |
||
1259 | double value; |
||
1260 | if ( hue > 255 ) |
||
1261 | hue -= 255; |
||
1262 | else if ( hue < 0 ) |
||
1263 | hue += 255; |
||
1264 | if ( hue < 42.5 ) |
||
1265 | value = n1 + ( n2 - n1 ) * ( hue / 42.5 ); |
||
1266 | else if ( hue < 127.5 ) |
||
1267 | value = n2; |
||
1268 | else if ( hue < 170 ) |
||
1269 | value = n1 + ( n2 - n1 ) * ( ( 170 - hue ) / 42.5 ); |
||
1270 | else |
||
1271 | value = n1; |
||
1272 | return (int)( value * 255 ); |
||
1273 | } |
||
1274 | |||
1275 | /*! |
||
1276 | * Convert a color in HLS space to RGB space. |
||
1277 | * \param hue the hue component (modified in place). |
||
1278 | * \param lightness the lightness component (modified in place). |
||
1279 | * \param saturation the saturation component (modified in place). |
||
1280 | */ |
||
1281 | void ScImage::HLSTORGB ( uchar& hue, uchar& lightness, uchar& saturation ) |
||
1282 | { |
||
1283 | double h = hue; |
||
1284 | double l = lightness; |
||
1285 | double s = saturation; |
||
1286 | if ( s == 0 ) |
||
1287 | { |
||
1288 | hue = (uchar)l; |
||
1289 | lightness = (uchar)l; |
||
1290 | saturation = (uchar)l; |
||
1291 | } |
||
1292 | else |
||
1293 | { |
||
1294 | double m1, m2; |
||
1295 | if ( l < 128 ) |
||
1296 | m2 = ( l * ( 255 + s ) ) / 65025.; |
||
1297 | else |
||
1298 | m2 = ( l + s - ( l * s ) / 255. ) / 255.; |
||
1299 | m1 = ( l / 127.5 ) - m2; |
||
1300 | hue = HLSVALUE( m1, m2, h + 85 ); |
||
1301 | lightness = HLSVALUE( m1, m2, h ); |
||
1302 | saturation = HLSVALUE( m1, m2, h - 85 ); |
||
1303 | } |
||
1304 | } |
||
1305 | |||
3802 | fschmid | 1306 | bool ScImage::loadChannel( QDataStream & s, const PSDHeader & header, QValueList<PSDLayer> &layerInfo, uint layer, int channel, int component, QImage &tmpImg) |
1307 | { |
||
1308 | uint base = s.device()->at(); |
||
1309 | uchar cbyte; |
||
1310 | ushort compression; |
||
1311 | s >> compression; |
||
1312 | if( compression > 1 ) |
||
1313 | return false; |
||
1314 | if (compression == 0) |
||
1315 | { |
||
1316 | int count = layerInfo[layer].channelLen[channel]-2; |
||
1317 | for (int i = 0; i < tmpImg.height(); i++) |
||
1318 | { |
||
1319 | uchar *ptr = tmpImg.scanLine(i); |
||
1320 | for (int j = 0; j < tmpImg.width(); j++) |
||
1321 | { |
||
1322 | s >> cbyte; |
||
1323 | count--; |
||
1324 | if (header.color_mode == CM_CMYK) |
||
1325 | cbyte = 255 - cbyte; |
||
3814 | fschmid | 1326 | if ((header.color_mode == CM_GRAYSCALE) && (component != 3)) |
1327 | { |
||
1328 | ptr[0] = cbyte; |
||
1329 | ptr[1] = cbyte; |
||
1330 | ptr[2] = cbyte; |
||
1331 | } |
||
3836 | fschmid | 1332 | else if ((header.color_mode == CM_INDEXED) && (component != 3)) |
1333 | { |
||
1334 | int ccol = colorTable[cbyte]; |
||
4099 | fschmid | 1335 | ptr[2] = qRed(ccol); |
3836 | fschmid | 1336 | ptr[1] = qGreen(ccol); |
4099 | fschmid | 1337 | ptr[0] = qBlue(ccol); |
3836 | fschmid | 1338 | } |
3814 | fschmid | 1339 | else |
1340 | { |
||
1341 | if (channel < 4) |
||
1342 | ptr[component] = cbyte; |
||
1343 | } |
||
3802 | fschmid | 1344 | if (count == 0) |
1345 | break; |
||
1346 | ptr += 4; |
||
1347 | } |
||
1348 | if (count == 0) |
||
1349 | break; |
||
1350 | } |
||
1351 | } |
||
1352 | else |
||
1353 | { |
||
1354 | s.device()->at( s.device()->at() + tmpImg.height() * 2 ); |
||
1355 | uint pixel_count = tmpImg.width(); |
||
1356 | for (int hh = 0; hh < tmpImg.height(); hh++) |
||
1357 | { |
||
1358 | uint count = 0; |
||
1359 | uchar *ptr = tmpImg.scanLine(hh); |
||
1360 | uchar *ptr2 = ptr+tmpImg.width() * 4; |
||
1361 | ptr += component; |
||
1362 | while( count < pixel_count ) |
||
1363 | { |
||
1364 | uchar c; |
||
1365 | if(s.atEnd()) |
||
1366 | return false; |
||
1367 | s >> c; |
||
1368 | uint len = c; |
||
1369 | if( len < 128 ) |
||
1370 | { |
||
1371 | // Copy next len+1 bytes literally. |
||
1372 | len++; |
||
1373 | count += len; |
||
1374 | while( len != 0 ) |
||
1375 | { |
||
1376 | s >> cbyte; |
||
1377 | if (ptr < ptr2) |
||
1378 | { |
||
1379 | if (header.color_mode == CM_CMYK) |
||
1380 | cbyte = 255 - cbyte; |
||
3814 | fschmid | 1381 | if ((header.color_mode == CM_GRAYSCALE) && (component != 3)) |
1382 | { |
||
1383 | ptr -= component; |
||
1384 | ptr[0] = cbyte; |
||
1385 | ptr[1] = cbyte; |
||
1386 | ptr[2] = cbyte; |
||
1387 | ptr += component; |
||
1388 | } |
||
3836 | fschmid | 1389 | else if ((header.color_mode == CM_INDEXED) && (component != 3)) |
1390 | { |
||
1391 | ptr -= component; |
||
1392 | int ccol = colorTable[cbyte]; |
||
4099 | fschmid | 1393 | ptr[2] = qRed(ccol); |
3836 | fschmid | 1394 | ptr[1] = qGreen(ccol); |
4099 | fschmid | 1395 | ptr[0] = qBlue(ccol); |
3836 | fschmid | 1396 | ptr += component; |
1397 | } |
||
3814 | fschmid | 1398 | else |
1399 | { |
||
1400 | *ptr = cbyte; |
||
1401 | } |
||
3802 | fschmid | 1402 | } |
1403 | ptr += 4; |
||
1404 | len--; |
||
1405 | } |
||
1406 | } |
||
1407 | else if( len > 128 ) |
||
1408 | { |
||
1409 | // Next -len+1 bytes in the dest are replicated from next source byte. |
||
1410 | // (Interpret len as a negative 8-bit int.) |
||
1411 | len ^= 0xFF; |
||
1412 | len += 2; |
||
1413 | count += len; |
||
1414 | uchar val; |
||
1415 | s >> val; |
||
1416 | if (header.color_mode == CM_CMYK) |
||
1417 | val = 255 - val; |
||
1418 | while( len != 0 ) |
||
1419 | { |
||
1420 | if (ptr < ptr2) |
||
3814 | fschmid | 1421 | { |
1422 | if ((header.color_mode == CM_GRAYSCALE) && (component != 3)) |
||
1423 | { |
||
1424 | ptr -= component; |
||
1425 | ptr[0] = val; |
||
1426 | ptr[1] = val; |
||
1427 | ptr[2] = val; |
||
1428 | ptr += component; |
||
1429 | } |
||
3836 | fschmid | 1430 | else if ((header.color_mode == CM_INDEXED) && (component != 3)) |
1431 | { |
||
1432 | ptr -= component; |
||
1433 | int ccol = colorTable[val]; |
||
4099 | fschmid | 1434 | ptr[2] = qRed(ccol); |
3836 | fschmid | 1435 | ptr[1] = qGreen(ccol); |
4099 | fschmid | 1436 | ptr[0] = qBlue(ccol); |
3836 | fschmid | 1437 | ptr += component; |
1438 | } |
||
3814 | fschmid | 1439 | else |
1440 | *ptr = val; |
||
1441 | } |
||
3802 | fschmid | 1442 | ptr += 4; |
1443 | len--; |
||
1444 | } |
||
1445 | } |
||
1446 | else if( len == 128 ) |
||
1447 | { |
||
1448 | // No-op. |
||
1449 | } |
||
1450 | } |
||
1451 | } |
||
1452 | } |
||
1453 | s.device()->at( base+layerInfo[layer].channelLen[channel] ); |
||
1454 | return true; |
||
1455 | } |
||
1456 | |||
2004 | fschmid | 1457 | bool ScImage::loadLayerChannels( QDataStream & s, const PSDHeader & header, QValueList<PSDLayer> &layerInfo, uint layer, bool* firstLayer) |
1458 | { |
||
1459 | // Find out if the data is compressed. |
||
1460 | // Known values: |
||
1461 | // 0: no compression |
||
1462 | // 1: RLE compressed |
||
3814 | fschmid | 1463 | uint base = s.device()->at(); |
1464 | uint base2 = base; |
||
1465 | uint channel_num = layerInfo[layer].channelLen.count(); |
||
3802 | fschmid | 1466 | QImage tmpImg = QImage(); |
1467 | QImage mask = QImage(); |
||
1468 | if( !tmpImg.create( layerInfo[layer].width, layerInfo[layer].height, 32 )) |
||
3814 | fschmid | 1469 | { |
1470 | for(uint channel = 0; channel < channel_num; channel++) |
||
1471 | { |
||
1472 | base2 += layerInfo[layer].channelLen[channel]; |
||
1473 | } |
||
1474 | s.device()->at( base2 ); |
||
3802 | fschmid | 1475 | return false; |
3814 | fschmid | 1476 | } |
5010 | fschmid | 1477 | tmpImg.fill(qRgba(255, 255, 255, 0)); |
2004 | fschmid | 1478 | tmpImg.setAlphaBuffer( true ); |
1479 | channel_num = QMIN(channel_num, 39); |
||
1480 | uint components[40]; |
||
1481 | for(uint channel = 0; channel < channel_num; channel++) |
||
1482 | { |
||
1483 | switch(layerInfo[layer].channelType[channel]) |
||
1484 | { |
||
1485 | case 0: |
||
1486 | components[channel] = 2; |
||
1487 | break; |
||
1488 | case 1: |
||
1489 | components[channel] = 1; |
||
1490 | break; |
||
1491 | case 2: |
||
1492 | components[channel] = 0; |
||
1493 | break; |
||
1494 | case 3: |
||
1495 | components[channel] = 3; |
||
1496 | break; |
||
1497 | case -1: |
||
1498 | case -2: |
||
1499 | components[channel] = 3; |
||
1500 | break; |
||
1501 | } |
||
1502 | } |
||
3802 | fschmid | 1503 | if (channel_num < 4) |
2004 | fschmid | 1504 | { |
3802 | fschmid | 1505 | for (int i = 0; i < tmpImg.height(); i++) |
2004 | fschmid | 1506 | { |
3802 | fschmid | 1507 | QRgb * s = (QRgb*)(tmpImg.scanLine( i )); |
1508 | for (int j = 0; j < tmpImg.width(); j++) |
||
2004 | fschmid | 1509 | { |
3922 | fschmid | 1510 | *s++ = qRgba(255, 255, 255, 255); |
2004 | fschmid | 1511 | } |
1512 | } |
||
1513 | } |
||
3802 | fschmid | 1514 | for(uint channel = 0; channel < channel_num; channel++) |
2004 | fschmid | 1515 | { |
3802 | fschmid | 1516 | if ((layerInfo[layer].channelType[channel] < 0) && (header.color_mode == CM_CMYK)) |
3764 | fschmid | 1517 | { |
3802 | fschmid | 1518 | s.device()->at( base+layerInfo[layer].channelLen[channel] ); |
1519 | base = base+layerInfo[layer].channelLen[channel]; |
||
1520 | continue; |
||
3764 | fschmid | 1521 | } |
4268 | fschmid | 1522 | // if ((layerInfo[layer].channelType[channel] == -2) || (layerInfo[layer].channelType[channel] == -1)) |
3802 | fschmid | 1523 | if (layerInfo[layer].channelType[channel] == -2) |
2004 | fschmid | 1524 | { |
3802 | fschmid | 1525 | if (!mask.create( layerInfo[layer].maskWidth, layerInfo[layer].maskHeight, 32 )) |
4268 | fschmid | 1526 | // { |
1527 | // if (!mask.create(layerInfo[layer].width, layerInfo[layer].height, 32 )) |
||
1528 | break; |
||
1529 | // } |
||
5010 | fschmid | 1530 | mask.fill(qRgba(255, 255, 255, 0)); |
3802 | fschmid | 1531 | mask.setAlphaBuffer( true ); |
1532 | if (!loadChannel(s, header, layerInfo, layer, channel, components[channel], mask)) |
||
1533 | break; |
||
2004 | fschmid | 1534 | } |
3802 | fschmid | 1535 | else |
1536 | { |
||
1537 | if (!loadChannel(s, header, layerInfo, layer, channel, components[channel], tmpImg)) |
||
1538 | break; |
||
1539 | } |
||
2004 | fschmid | 1540 | } |
3799 | fschmid | 1541 | for(uint channel = 0; channel < channel_num; channel++) |
1542 | { |
||
1543 | base2 += layerInfo[layer].channelLen[channel]; |
||
1544 | } |
||
1545 | s.device()->at( base2 ); |
||
2004 | fschmid | 1546 | QImage tmpImg2 = tmpImg.copy(); |
1547 | if (header.color_mode == CM_CMYK) |
||
1548 | { |
||
1549 | for (int i = 0; i < tmpImg.height(); i++) |
||
1550 | { |
||
2766 | cbradney | 1551 | unsigned int *ptr = (unsigned int *) tmpImg.scanLine(i); |
1552 | unsigned int *ptr2 = (unsigned int *) tmpImg2.scanLine(i); |
||
2004 | fschmid | 1553 | unsigned char r, g, b; |
1554 | for (int j = 0; j < tmpImg.width(); j++) |
||
1555 | { |
||
2766 | cbradney | 1556 | unsigned char *p = (unsigned char *) ptr; |
1557 | unsigned char *p2 = (unsigned char *) ptr2; |
||
1558 | r = 255 - QMIN(255, p[0] + p[3]); |
||
1559 | g = 255 - QMIN(255, p[1] + p[3]); |
||
1560 | b = 255 - QMIN(255, p[2] + p[3]); |
||
1561 | p2[0] = r; |
||
1562 | p2[1] = g; |
||
1563 | p2[2] = b; |
||
1564 | p2[3] = 255; |
||
2004 | fschmid | 1565 | ptr++; |
2766 | cbradney | 1566 | ptr2++; |
2004 | fschmid | 1567 | } |
1568 | } |
||
1569 | } |
||
1570 | QImage imt; |
||
1571 | double sx = tmpImg.width() / 40.0; |
||
1572 | double sy = tmpImg.height() / 40.0; |
||
1573 | imt = sy < sx ? tmpImg2.smoothScale(qRound(tmpImg.width() / sx), qRound(tmpImg.height() / sx)) : |
||
2095 | fschmid | 1574 | tmpImg2.smoothScale(qRound(tmpImg.width() / sy), qRound(tmpImg.height() / sy)); |
2004 | fschmid | 1575 | layerInfo[layer].thumb = imt.copy(); |
1576 | bool visible = !(layerInfo[layer].flags & 2); |
||
1577 | if ((imgInfo.isRequest) && (imgInfo.RequestProps.contains(layer))) |
||
1578 | visible = imgInfo.RequestProps[layer].visible; |
||
1579 | if (visible) |
||
1580 | { |
||
3799 | fschmid | 1581 | unsigned int startSrcY, startSrcX, startDstY, startDstX; |
1582 | if (layerInfo[layer].ypos < 0) |
||
1583 | { |
||
1584 | startSrcY = abs(layerInfo[layer].ypos); |
||
1585 | startDstY = 0; |
||
1586 | } |
||
1587 | else |
||
1588 | { |
||
1589 | startSrcY = 0; |
||
1590 | startDstY = layerInfo[layer].ypos; |
||
1591 | } |
||
1592 | if (layerInfo[layer].xpos < 0) |
||
1593 | { |
||
1594 | startSrcX = abs(layerInfo[layer].xpos); |
||
1595 | startDstX = 0; |
||
1596 | } |
||
1597 | else |
||
1598 | { |
||
1599 | startSrcX = 0; |
||
1600 | startDstX = layerInfo[layer].xpos; |
||
1601 | } |
||
3802 | fschmid | 1602 | unsigned int startSrcYm, startSrcXm, startDstYm, startDstXm; |
1603 | if (layerInfo[layer].maskYpos < 0) |
||
1604 | { |
||
1605 | startSrcYm = abs(layerInfo[layer].maskYpos); |
||
1606 | startDstYm = 0; |
||
1607 | } |
||
1608 | else |
||
1609 | { |
||
1610 | startSrcYm = 0; |
||
1611 | startDstYm = layerInfo[layer].maskYpos; |
||
1612 | } |
||
1613 | if (layerInfo[layer].maskXpos < 0) |
||
1614 | { |
||
1615 | startSrcXm = abs(layerInfo[layer].maskXpos); |
||
1616 | startDstXm = 0; |
||
1617 | } |
||
1618 | else |
||
1619 | { |
||
1620 | startSrcXm = 0; |
||
1621 | startDstXm = layerInfo[layer].maskXpos; |
||
1622 | } |
||
3922 | fschmid | 1623 | QString layBlend2 = layerInfo[layer].blend; |
1624 | if ((imgInfo.isRequest) && (imgInfo.RequestProps.contains(layer))) |
||
1625 | layBlend2 = imgInfo.RequestProps[layer].blend; |
||
1626 | if ((layBlend2 == "diss") && (header.color_mode != CM_CMYK)) |
||
1627 | { |
||
1628 | for (int l = 0; l < tmpImg.height(); l++) |
||
1629 | { |
||
1630 | srand(random_table[ l % 4096]); |
||
1631 | for (int k = 0; k < tmpImg.width(); k++) |
||
1632 | { |
||
1633 | int rand_val = rand() & 0xff; |
||
1634 | QRgb pixel = tmpImg.pixel(k, l); |
||
1635 | if (rand_val > 128) |
||
1636 | tmpImg.setPixel(k, l, qRgba(qRed(pixel), qGreen(pixel), qBlue(pixel), 0)); |
||
1637 | } |
||
1638 | } |
||
1639 | } |
||
2004 | fschmid | 1640 | if (*firstLayer) |
1641 | { |
||
3799 | fschmid | 1642 | for( int yi=static_cast<int>(startSrcY); yi < QMIN(tmpImg.height(), height()); ++yi ) |
2004 | fschmid | 1643 | { |
1644 | QRgb *s = (QRgb*)(tmpImg.scanLine( yi )); |
||
3799 | fschmid | 1645 | QRgb *d = (QRgb*)(scanLine( QMIN(static_cast<int>(startDstY), height()-1) )); |
1646 | d += QMIN(static_cast<int>(startDstX), width()-1); |
||
3802 | fschmid | 1647 | s += QMIN(static_cast<int>(startSrcX), tmpImg.width()-1); |
4268 | fschmid | 1648 | /* unsigned int *srcm; |
1649 | if (!mask.isNull()) |
||
1650 | { |
||
1651 | srcm = (unsigned int *)mask.scanLine(QMIN(yi, mask.height()-1)); |
||
1652 | srcm += QMIN(static_cast<int>(startSrcXm), mask.width()-1); |
||
1653 | } */ |
||
3799 | fschmid | 1654 | for(int xi=static_cast<int>(startSrcX); xi < QMIN(tmpImg.width(), width()); ++xi ) |
2004 | fschmid | 1655 | { |
1656 | (*d) = (*s); |
||
4268 | fschmid | 1657 | /* unsigned char *sm = (unsigned char *) srcm; |
1658 | unsigned char *sc = (unsigned char *) d; |
||
1659 | unsigned char *ss = (unsigned char *) s; |
||
1660 | if (!mask.isNull()) |
||
1661 | { |
||
1662 | if (header.color_mode == CM_CMYK) |
||
1663 | { |
||
1664 | sc[0] = (sc[0] * (255 - sm[3]) + ss[0] * sm[3]) / 255; |
||
1665 | sc[1] = (sc[1] * (255 - sm[3]) + ss[1] * sm[3]) / 255; |
||
1666 | sc[2] = (sc[2] * (255 - sm[3]) + ss[2] * sm[3]) / 255; |
||
1667 | sc[3] = (sc[3] * (255 - sm[3]) + ss[3] * sm[3]) / 255; |
||
1668 | } |
||
1669 | else |
||
1670 | sc[3] = sm[3]; |
||
1671 | } |
||
1672 | srcm++; */ |
||
2004 | fschmid | 1673 | s++; |
1674 | d++; |
||
1675 | } |
||
3799 | fschmid | 1676 | startDstY++; |
2004 | fschmid | 1677 | } |
1678 | } |
||
1679 | else |
||
1680 | { |
||
3799 | fschmid | 1681 | for (int i = static_cast<int>(startSrcY); i < layerInfo[layer].height; i++) |
2004 | fschmid | 1682 | { |
3799 | fschmid | 1683 | unsigned int *dst = (unsigned int *)scanLine(QMIN(static_cast<int>(startDstY), height()-1)); |
1684 | unsigned int *src = (unsigned int *)tmpImg.scanLine(QMIN(i, tmpImg.height()-1)); |
||
1685 | dst += QMIN(static_cast<int>(startDstX), width()-1); |
||
3802 | fschmid | 1686 | src += QMIN(static_cast<int>(startSrcX), tmpImg.width()-1); |
4849 | cbradney | 1687 | unsigned int *srcm = 0; |
3802 | fschmid | 1688 | if (!mask.isNull()) |
1689 | { |
||
1690 | srcm = (unsigned int *)mask.scanLine(QMIN(i, mask.height()-1)); |
||
1691 | srcm += QMIN(static_cast<int>(startSrcXm), mask.width()-1); |
||
1692 | } |
||
3799 | fschmid | 1693 | startDstY++; |
3802 | fschmid | 1694 | unsigned char r, g, b, a, src_r, src_g, src_b, src_a, mask_a; |
4849 | cbradney | 1695 | //<<#3356 |
1696 | unsigned int maxDestX = width() - startDstX + startSrcX - 1; |
||
1697 | for (unsigned int j = startSrcX; j < QMIN(maxDestX, static_cast<unsigned int>(layerInfo[layer].width)); j++) |
||
1698 | //for (unsigned int j = startSrcX; j < static_cast<unsigned int>(layerInfo[layer].width); j++) |
||
1699 | //>>#3356 |
||
2004 | fschmid | 1700 | { |
2766 | cbradney | 1701 | unsigned char *d = (unsigned char *) dst; |
1702 | unsigned char *s = (unsigned char *) src; |
||
3802 | fschmid | 1703 | unsigned char *sm = (unsigned char *) srcm; |
2766 | cbradney | 1704 | src_r = s[0]; |
1705 | src_g = s[1]; |
||
1706 | src_b = s[2]; |
||
1707 | src_a = s[3]; |
||
3802 | fschmid | 1708 | if (!mask.isNull()) |
1709 | mask_a = sm[3]; |
||
2004 | fschmid | 1710 | QString layBlend = layerInfo[layer].blend; |
1711 | if ((imgInfo.isRequest) && (imgInfo.RequestProps.contains(layer))) |
||
1712 | layBlend = imgInfo.RequestProps[layer].blend; |
||
1713 | if (layBlend == "mul ") |
||
1714 | { |
||
1715 | if (header.color_mode == CM_CMYK) |
||
3764 | fschmid | 1716 | { |
1717 | src_r = INT_MULT(src_r, d[0]); |
||
1718 | src_g = INT_MULT(src_g, d[1]); |
||
1719 | src_b = INT_MULT(src_b, d[2]); |
||
2766 | cbradney | 1720 | src_a = INT_MULT(src_a, d[3]); |
3764 | fschmid | 1721 | } |
2004 | fschmid | 1722 | else |
3764 | fschmid | 1723 | { |
1724 | if (d[3] > 0) |
||
1725 | { |
||
1726 | src_r = INT_MULT(src_r, d[0]); |
||
1727 | src_g = INT_MULT(src_g, d[1]); |
||
1728 | src_b = INT_MULT(src_b, d[2]); |
||
1729 | } |
||
1730 | } |
||
2004 | fschmid | 1731 | } |
1732 | else if (layBlend == "scrn") |
||
1733 | { |
||
1734 | if (header.color_mode == CM_CMYK) |
||
3764 | fschmid | 1735 | { |
1736 | src_r = 255 - INT_MULT(255 - d[0], 255 - src_r); |
||
1737 | src_g = 255 - INT_MULT(255 - d[1], 255 - src_g); |
||
1738 | src_b = 255 - INT_MULT(255 - d[2], 255 - src_b); |
||
2766 | cbradney | 1739 | src_a = 255 - INT_MULT(255 - d[3], 255 - src_a); |
3764 | fschmid | 1740 | } |
2004 | fschmid | 1741 | else |
3764 | fschmid | 1742 | { |
1743 | if (d[3] > 0) |
||
1744 | { |
||
1745 | src_r = 255 - INT_MULT(255 - d[0], 255 - src_r); |
||
1746 | src_g = 255 - INT_MULT(255 - d[1], 255 - src_g); |
||
1747 | src_b = 255 - INT_MULT(255 - d[2], 255 - src_b); |
||
1748 | } |
||
1749 | } |
||
2004 | fschmid | 1750 | } |
1751 | else if (layBlend == "over") |
||
1752 | { |
||
1753 | if (header.color_mode == CM_CMYK) |
||
3764 | fschmid | 1754 | { |
1755 | src_r = INT_MULT(d[0], d[0] + INT_MULT(2 * src_r, 255 - d[0])); |
||
1756 | src_g = INT_MULT(d[1], d[1] + INT_MULT(2 * src_g, 255 - d[1])); |
||
1757 | src_b = INT_MULT(d[2], d[2] + INT_MULT(2 * src_b, 255 - d[2])); |
||
2766 | cbradney | 1758 | src_a = INT_MULT(d[3], d[3] + INT_MULT(2 * src_a, 255 - d[3])); |
3764 | fschmid | 1759 | } |
2004 | fschmid | 1760 | else |
3764 | fschmid | 1761 | { |
1762 | if (d[3] > 0) |
||
1763 | { |
||
1764 | src_r = INT_MULT(d[0], d[0] + INT_MULT(2 * src_r, 255 - d[0])); |
||
1765 | src_g = INT_MULT(d[1], d[1] + INT_MULT(2 * src_g, 255 - d[1])); |
||
1766 | src_b = INT_MULT(d[2], d[2] + INT_MULT(2 * src_b, 255 - d[2])); |
||
1767 | } |
||
1768 | } |
||
2004 | fschmid | 1769 | } |
1770 | else if (layBlend == "diff") |
||
1771 | { |
||
1772 | if (header.color_mode == CM_CMYK) |
||
3764 | fschmid | 1773 | { |
1774 | src_r = d[0] > src_r ? d[0] - src_r : src_r - d[0]; |
||
1775 | src_g = d[1] > src_g ? d[1] - src_g : src_g - d[1]; |
||
1776 | src_b = d[2] > src_b ? d[2] - src_b : src_b - d[2]; |
||
2766 | cbradney | 1777 | src_a = d[3] > src_a ? d[3] - src_a : src_a - d[3]; |
3764 | fschmid | 1778 | } |
2004 | fschmid | 1779 | else |
3764 | fschmid | 1780 | { |
1781 | if (d[3] > 0) |
||
1782 | { |
||
1783 | src_r = d[0] > src_r ? d[0] - src_r : src_r - d[0]; |
||
1784 | src_g = d[1] > src_g ? d[1] - src_g : src_g - d[1]; |
||
1785 | src_b = d[2] > src_b ? d[2] - src_b : src_b - d[2]; |
||
1786 | } |
||
1787 | } |
||
2004 | fschmid | 1788 | } |
1789 | else if (layBlend == "dark") |
||
1790 | { |
||
1791 | if (header.color_mode == CM_CMYK) |
||
3764 | fschmid | 1792 | { |
1793 | src_r = d[0] < src_r ? d[0] : src_r; |
||
1794 | src_g = d[1] < src_g ? d[1] : src_g; |
||
1795 | src_b = d[2] < src_b ? d[2] : src_b; |
||
2766 | cbradney | 1796 | src_a = d[3] < src_a ? d[3] : src_a; |
3764 | fschmid | 1797 | } |
2004 | fschmid | 1798 | else |
3764 | fschmid | 1799 | { |
1800 | if (d[3] > 0) |
||
1801 | { |
||
1802 | src_r = d[0] < src_r ? d[0] : src_r; |
||
1803 | src_g = d[1] < src_g ? d[1] : src_g; |
||
1804 | src_b = d[2] < src_b ? d[2] : src_b; |
||
1805 | } |
||
1806 | } |
||
2004 | fschmid | 1807 | } |
3871 | fschmid | 1808 | else if (layBlend == "hLit") |
1809 | { |
||
1810 | if (header.color_mode == CM_CMYK) |
||
1811 | { |
||
3872 | fschmid | 1812 | src_r = src_r < 128 ? src_r * d[0] / 128 : 255 - ((255-src_r) * (255-d[0]) / 128); |
1813 | src_g = src_g < 128 ? src_g * d[1] / 128 : 255 - ((255-src_g) * (255-d[1]) / 128); |
||
1814 | src_b = src_b < 128 ? src_b * d[2] / 128 : 255 - ((255-src_b) * (255-d[2]) / 128); |
||
1815 | src_a = src_a < 128 ? src_a * d[3] / 128 : 255 - ((255-src_a) * (255-d[3]) / 128); |
||
3871 | fschmid | 1816 | } |
1817 | else |
||
1818 | { |
||
1819 | if (d[3] > 0) |
||
1820 | { |
||
3872 | fschmid | 1821 | src_r = src_r < 128 ? src_r * d[0] / 128 : 255 - ((255-src_r) * (255-d[0]) / 128); |
1822 | src_g = src_g < 128 ? src_g * d[1] / 128 : 255 - ((255-src_g) * (255-d[1]) / 128); |
||
1823 | src_b = src_b < 128 ? src_b * d[2] / 128 : 255 - ((255-src_b) * (255-d[2]) / 128); |
||
3871 | fschmid | 1824 | } |
1825 | } |
||
1826 | } |
||
3872 | fschmid | 1827 | else if (layBlend == "sLit") |
1828 | { |
||
1829 | if (header.color_mode == CM_CMYK) |
||
1830 | { |
||
1831 | src_r = src_r * d[0] / 256 + src_r * (255 - ((255-src_r)*(255-d[0]) / 256) - src_r * d[0] / 256) / 256; |
||
1832 | src_g = src_g * d[1] / 256 + src_g * (255 - ((255-src_g)*(255-d[1]) / 256) - src_g * d[1] / 256) / 256; |
||
1833 | src_b = src_b * d[2] / 256 + src_b * (255 - ((255-src_b)*(255-d[2]) / 256) - src_b * d[2] / 256) / 256; |
||
1834 | src_a = src_a * d[3] / 256 + src_a * (255 - ((255-src_a)*(255-d[3]) / 256) - src_a * d[3] / 256) / 256; |
||
1835 | } |
||
1836 | else |
||
1837 | { |
||
1838 | if (d[3] > 0) |
||
1839 | { |
||
1840 | src_r = src_r * d[0] / 256 + src_r * (255 - ((255-src_r)*(255-d[0]) / 256) - src_r * d[0] / 256) / 256; |
||
1841 | src_g = src_g * d[1] / 256 + src_g * (255 - ((255-src_g)*(255-d[1]) / 256) - src_g * d[1] / 256) / 256; |
||
1842 | src_b = src_b * d[2] / 256 + src_b * (255 - ((255-src_b)*(255-d[2]) / 256) - src_b * d[2] / 256) / 256; |
||
1843 | } |
||
1844 | } |
||
1845 | } |
||
2004 | fschmid | 1846 | else if (layBlend == "lite") |
1847 | { |
||
1848 | if (header.color_mode == CM_CMYK) |
||
3764 | fschmid | 1849 | { |
1850 | src_r = d[0] < src_r ? src_r : d[0]; |
||
1851 | src_g = d[1] < src_g ? src_g : d[1]; |
||
1852 | src_b = d[2] < src_b ? src_b : d[2]; |
||
2766 | cbradney | 1853 | src_a = d[3] < src_a ? src_a : d[3]; |
3764 | fschmid | 1854 | } |
2004 | fschmid | 1855 | else |
3764 | fschmid | 1856 | { |
1857 | if (d[3] > 0) |
||
1858 | { |
||
1859 | src_r = d[0] < src_r ? src_r : d[0]; |
||
1860 | src_g = d[1] < src_g ? src_g : d[1]; |
||
1861 | src_b = d[2] < src_b ? src_b : d[2]; |
||
1862 | } |
||
1863 | } |
||
2004 | fschmid | 1864 | } |
3898 | fschmid | 1865 | else if (layBlend == "smud") |
1866 | { |
||
1867 | if (header.color_mode == CM_CMYK) |
||
1868 | { |
||
1869 | src_r = d[0] + src_r - src_r * d[0] / 128; |
||
1870 | src_g = d[1] + src_g - src_g * d[1] / 128; |
||
1871 | src_b = d[2] + src_b - src_b * d[2] / 128; |
||
1872 | src_a = d[3] + src_a - src_a * d[3] / 128; |
||
1873 | } |
||
1874 | else |
||
1875 | { |
||
1876 | if (d[3] > 0) |
||
1877 | { |
||
1878 | src_r = d[0] + src_r - src_r * d[0] / 128; |
||
1879 | src_g = d[1] + src_g - src_g * d[1] / 128; |
||
1880 | src_b = d[2] + src_b - src_b * d[2] / 128; |
||
1881 | } |
||
1882 | } |
||
1883 | } |
||
1884 | else if (layBlend == "div ") |
||
1885 | { |
||
1886 | if (header.color_mode == CM_CMYK) |
||
1887 | { |
||
1888 | src_r = src_r == 255 ? 255 : ((d[0] * 256) / (255-src_r)) > 255 ? 255 : (d[0] * 256) / (255-src_r); |
||
1889 | src_g = src_g == 255 ? 255 : ((d[1] * 256) / (255-src_g)) > 255 ? 255 : (d[1] * 256) / (255-src_g); |
||
1890 | src_b = src_b == 255 ? 255 : ((d[2] * 256) / (255-src_b)) > 255 ? 255 : (d[2] * 256) / (255-src_b); |
||
1891 | src_a = src_a == 255 ? 255 : ((d[3] * 256) / (255-src_a)) > 255 ? 255 : (d[3] * 256) / (255-src_a); |
||
1892 | } |
||
1893 | else |
||
1894 | { |
||
1895 | if (d[3] > 0) |
||
1896 | { |
||
1897 | src_r = src_r == 255 ? 255 : ((d[0] * 256) / (255-src_r)) > 255 ? 255 : (d[0] * 256) / (255-src_r); |
||
1898 | src_g = src_g == 255 ? 255 : ((d[1] * 256) / (255-src_g)) > 255 ? 255 : (d[1] * 256) / (255-src_g); |
||
1899 | src_b = src_b == 255 ? 255 : ((d[2] * 256) / (255-src_b)) > 255 ? 255 : (d[2] * 256) / (255-src_b); |
||
1900 | } |
||
1901 | } |
||
1902 | } |
||
1903 | else if (layBlend == "idiv") |
||
1904 | { |
||
1905 | if (header.color_mode == CM_CMYK) |
||
1906 | { |
||
1907 | src_r = src_r == 0 ? 0 : (255 - (((255-d[0]) * 256) / src_r)) < 0 ? 0 : 255 - (((255-d[0]) * 256) / src_r); |
||
1908 | src_g = src_g == 0 ? 0 : (255 - (((255-d[1]) * 256) / src_g)) < 0 ? 0 : 255 - (((255-d[1]) * 256) / src_g); |
||
1909 | src_b = src_b == 0 ? 0 : (255 - (((255-d[2]) * 256) / src_b)) < 0 ? 0 : 255 - (((255-d[2]) * 256) / src_b); |
||
1910 | src_a = src_a == 0 ? 0 : (255 - (((255-d[3]) * 256) / src_a)) < 0 ? 0 : 255 - (((255-d[3]) * 256) / src_a); |
||
1911 | } |
||
1912 | else |
||
1913 | { |
||
1914 | if (d[3] > 0) |
||
1915 | { |
||
1916 | src_r = src_r == 0 ? 0 : (255 - (((255-d[0]) * 256) / src_r)) < 0 ? 0 : 255 - (((255-d[0]) * 256) / src_r); |
||
1917 | src_g = src_g == 0 ? 0 : (255 - (((255-d[1]) * 256) / src_g)) < 0 ? 0 : 255 - (((255-d[1]) * 256) / src_g); |
||
1918 | src_b = src_b == 0 ? 0 : (255 - (((255-d[2]) * 256) / src_b)) < 0 ? 0 : 255 - (((255-d[2]) * 256) / src_b); |
||
1919 | } |
||
1920 | } |
||
1921 | } |
||
2004 | fschmid | 1922 | else if (layBlend == "hue ") |
1923 | { |
||
1924 | if (header.color_mode != CM_CMYK) |
||
1925 | { |
||
3764 | fschmid | 1926 | if (d[3] > 0) |
1927 | { |
||
1928 | uchar new_r = d[0]; |
||
1929 | uchar new_g = d[1]; |
||
1930 | uchar new_b = d[2]; |
||
1931 | RGBTOHSV(src_r, src_g, src_b); |
||
1932 | RGBTOHSV(new_r, new_g, new_b); |
||
1933 | new_r = src_r; |
||
1934 | HSVTORGB(new_r, new_g, new_b); |
||
1935 | src_r = new_r; |
||
1936 | src_g = new_g; |
||
1937 | src_b = new_b; |
||
1938 | } |
||
2004 | fschmid | 1939 | } |
1940 | } |
||
1941 | else if (layBlend == "sat ") |
||
1942 | { |
||
1943 | if (header.color_mode != CM_CMYK) |
||
1944 | { |
||
3764 | fschmid | 1945 | if (d[3] > 0) |
1946 | { |
||
1947 | uchar new_r = d[0]; |
||
1948 | uchar new_g = d[1]; |
||
1949 | uchar new_b = d[2]; |
||
1950 | RGBTOHSV(src_r, src_g, src_b); |
||
1951 | RGBTOHSV(new_r, new_g, new_b); |
||
1952 | new_g = src_g; |
||
1953 | HSVTORGB(new_r, new_g, new_b); |
||
1954 | src_r = new_r; |
||
1955 | src_g = new_g; |
||
1956 | src_b = new_b; |
||
1957 | } |
||
2004 | fschmid | 1958 | } |
1959 | } |
||
1960 | else if (layBlend == "lum ") |
||
1961 | { |
||
1962 | if (header.color_mode != CM_CMYK) |
||
1963 | { |
||
3764 | fschmid | 1964 | if (d[3] > 0) |
1965 | { |
||
1966 | uchar new_r = d[0]; |
||
1967 | uchar new_g = d[1]; |
||
1968 | uchar new_b = d[2]; |
||
1969 | RGBTOHSV(src_r, src_g, src_b); |
||
1970 | RGBTOHSV(new_r, new_g, new_b); |
||
1971 | new_b = src_b; |
||
1972 | HSVTORGB(new_r, new_g, new_b); |
||
1973 | src_r = new_r; |
||
1974 | src_g = new_g; |
||
1975 | src_b = new_b; |
||
1976 | } |
||
2004 | fschmid | 1977 | } |
1978 | } |
||
1979 | else if (layBlend == "colr") |
||
1980 | { |
||
1981 | if (header.color_mode != CM_CMYK) |
||
1982 | { |
||
3764 | fschmid | 1983 | if (d[3] > 0) |
1984 | { |
||
1985 | uchar new_r = d[0]; |
||
1986 | uchar new_g = d[1]; |
||
1987 | uchar new_b = d[2]; |
||
1988 | RGBTOHLS(src_r, src_g, src_b); |
||
1989 | RGBTOHLS(new_r, new_g, new_b); |
||
1990 | new_r = src_r; |
||
1991 | new_b = src_b; |
||
1992 | HLSTORGB(new_r, new_g, new_b); |
||
1993 | src_r = new_r; |
||
1994 | src_g = new_g; |
||
1995 | src_b = new_b; |
||
1996 | } |
||
2004 | fschmid | 1997 | } |
1998 | } |
||
4849 | cbradney | 1999 | |
2004 | fschmid | 2000 | int layOpa = layerInfo[layer].opacity; |
2001 | if ((imgInfo.isRequest) && (imgInfo.RequestProps.contains(layer))) |
||
2002 | layOpa = imgInfo.RequestProps[layer].opacity; |
||
3802 | fschmid | 2003 | if (!mask.isNull()) |
2004 | layOpa = INT_MULT(mask_a, layOpa); |
||
5010 | fschmid | 2005 | if (header.color_mode != CM_CMYK) |
2006 | src_a = INT_MULT(src_a, layOpa); |
||
3764 | fschmid | 2007 | if (d[3] > 0) |
2008 | { |
||
2009 | r = (d[0] * (255 - layOpa) + src_r * layOpa) / 255; |
||
2010 | g = (d[1] * (255 - layOpa) + src_g * layOpa) / 255; |
||
2011 | b = (d[2] * (255 - layOpa) + src_b * layOpa) / 255; |
||
5010 | fschmid | 2012 | if (header.color_mode == CM_CMYK) |
3764 | fschmid | 2013 | a = (d[3] * (255 - layOpa) + src_a * layOpa) / 255; |
5010 | fschmid | 2014 | else |
2015 | { |
||
2016 | a |