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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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5917 | jghali | 9 | #include "scpaths.h" |
5243 | cbradney | 10 | #include "scribuscore.h" |
2074 | fschmid | 11 | #include <qtextstream.h> |
2125 | cbradney | 12 | #include <cassert> |
2004 | fschmid | 13 | #ifdef HAVE_CMS |
14 | #include CMS_INC |
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15 | #endif |
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4506 | cbradney | 16 | #include "gsutil.h" |
3685 | fschmid | 17 | #include "exif.h" |
4546 | subik | 18 | #include "commonstrings.h" |
5712 | fschmid | 19 | #include "util.h" |
2004 | fschmid | 20 | |
21 | typedef struct my_error_mgr |
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22 | { |
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23 | struct jpeg_error_mgr pub; /* "public" fields */ |
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24 | jmp_buf setjmp_buffer; /* for return to caller */ |
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25 | } |
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26 | *my_error_ptr; |
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27 | |||
28 | static void my_error_exit (j_common_ptr cinfo) |
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29 | { |
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30 | my_error_ptr myerr = (my_error_ptr) cinfo->err; |
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31 | (*cinfo->err->output_message) (cinfo); |
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32 | longjmp (myerr->setjmp_buffer, 1); |
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33 | } |
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34 | |||
35 | static QDataStream & operator>> ( QDataStream & s, ScImage::PSDHeader & header ) |
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36 | { |
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37 | s >> header.signature; |
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38 | s >> header.version; |
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39 | for( int i = 0; i < 6; i++ ) |
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40 | { |
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41 | s >> header.reserved[i]; |
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42 | } |
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43 | s >> header.channel_count; |
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44 | s >> header.height; |
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45 | s >> header.width; |
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46 | s >> header.depth; |
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47 | s >> header.color_mode; |
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48 | return s; |
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49 | } |
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50 | |||
5593 | avox | 51 | |
4222 | craig | 52 | ScImage::ScImage(const QImage & image) : QImage(image) |
2004 | fschmid | 53 | { |
2012 | fschmid | 54 | initialize(); |
2004 | fschmid | 55 | } |
56 | |||
5593 | avox | 57 | |
58 | // ScImage will use implicit sharing: |
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59 | ScImage::ScImage(const ScImage & image) : QImage(image.copy()) |
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60 | { |
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61 | initialize(); |
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62 | } |
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63 | |||
64 | |||
2004 | fschmid | 65 | ScImage::ScImage() : QImage() |
66 | { |
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2012 | fschmid | 67 | initialize(); |
2004 | fschmid | 68 | } |
69 | |||
70 | ScImage::ScImage( int width, int height ) : QImage( width, height, 32 ) |
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71 | { |
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2012 | fschmid | 72 | initialize(); |
73 | } |
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74 | |||
5593 | avox | 75 | const QImage& ScImage::qImage() |
76 | { |
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77 | return *this; |
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78 | } |
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79 | |||
80 | QImage ScImage::smoothScale(int h, int w, QImage::ScaleMode mode) const |
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81 | { |
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82 | return QImage::smoothScale(h,w,mode); |
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83 | } |
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84 | |||
85 | |||
2012 | fschmid | 86 | void ScImage::initialize() |
87 | { |
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2004 | fschmid | 88 | imgInfo.xres = 72; |
89 | imgInfo.yres = 72; |
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90 | imgInfo.colorspace = 0; |
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91 | imgInfo.valid = false; |
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92 | imgInfo.isRequest = false; |
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5567 | mrdocs | 93 | imgInfo.isEmbedded = false; |
2004 | fschmid | 94 | imgInfo.progressive = false; |
3703 | fschmid | 95 | imgInfo.exifDataValid = false; |
2025 | fschmid | 96 | imgInfo.lowResType = 1; |
97 | imgInfo.lowResScale = 1.0; |
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2004 | fschmid | 98 | imgInfo.PDSpathData.clear(); |
99 | imgInfo.RequestProps.clear(); |
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100 | imgInfo.clipPath = ""; |
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101 | imgInfo.usedPath = ""; |
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102 | imgInfo.layerInfo.clear(); |
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3703 | fschmid | 103 | imgInfo.exifInfo.cameraName = ""; |
104 | imgInfo.exifInfo.cameraVendor = ""; |
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105 | imgInfo.exifInfo.thumbnail = QImage(); |
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4331 | fschmid | 106 | imgInfo.BBoxX = 0; |
107 | imgInfo.BBoxH = 0; |
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2004 | fschmid | 108 | } |
109 | |||
4050 | cbradney | 110 | ScImage::~ScImage() |
111 | { |
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112 | curveTable.resize(0); |
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113 | } |
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114 | |||
2886 | fschmid | 115 | void ScImage::applyEffect(QValueList<imageEffect> effectsList, QMap<QString,ScColor> colors, bool cmyk) |
2074 | fschmid | 116 | { |
117 | if (effectsList.count() != 0) |
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118 | { |
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119 | for (uint a = 0; a < effectsList.count(); ++a) |
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120 | { |
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2082 | fschmid | 121 | if ((*effectsList.at(a)).effectCode == EF_INVERT) |
2074 | fschmid | 122 | invert(cmyk); |
2082 | fschmid | 123 | if ((*effectsList.at(a)).effectCode == EF_GRAYSCALE) |
2074 | fschmid | 124 | toGrayscale(cmyk); |
2082 | fschmid | 125 | if ((*effectsList.at(a)).effectCode == EF_COLORIZE) |
2074 | fschmid | 126 | { |
127 | QString tmpstr = (*effectsList.at(a)).effectParameters; |
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4546 | subik | 128 | QString col = CommonStrings::None; |
2074 | fschmid | 129 | int shading = 100; |
130 | QTextStream fp(&tmpstr, IO_ReadOnly); |
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131 | fp >> col; |
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132 | fp >> shading; |
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133 | colorize(colors[col], shading, cmyk); |
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134 | } |
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2082 | fschmid | 135 | if ((*effectsList.at(a)).effectCode == EF_BRIGHTNESS) |
136 | { |
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137 | QString tmpstr = (*effectsList.at(a)).effectParameters; |
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138 | int brightnessValue = 0; |
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139 | QTextStream fp(&tmpstr, IO_ReadOnly); |
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140 | fp >> brightnessValue; |
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141 | brightness(brightnessValue, cmyk); |
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142 | } |
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143 | if ((*effectsList.at(a)).effectCode == EF_CONTRAST) |
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144 | { |
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145 | QString tmpstr = (*effectsList.at(a)).effectParameters; |
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146 | int contrastValue = 0; |
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147 | QTextStream fp(&tmpstr, IO_ReadOnly); |
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148 | fp >> contrastValue; |
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149 | contrast(contrastValue, cmyk); |
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150 | } |
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2092 | fschmid | 151 | if ((*effectsList.at(a)).effectCode == EF_SHARPEN) |
152 | { |
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153 | QString tmpstr = (*effectsList.at(a)).effectParameters; |
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154 | double radius, sigma; |
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155 | QTextStream fp(&tmpstr, IO_ReadOnly); |
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156 | fp >> radius; |
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157 | fp >> sigma; |
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158 | sharpen(radius, sigma); |
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159 | } |
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2095 | fschmid | 160 | if ((*effectsList.at(a)).effectCode == EF_BLUR) |
161 | { |
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162 | QString tmpstr = (*effectsList.at(a)).effectParameters; |
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163 | double radius, sigma; |
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164 | QTextStream fp(&tmpstr, IO_ReadOnly); |
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165 | fp >> radius; |
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166 | fp >> sigma; |
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167 | blur(radius, sigma); |
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168 | } |
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2096 | fschmid | 169 | if ((*effectsList.at(a)).effectCode == EF_SOLARIZE) |
170 | { |
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171 | QString tmpstr = (*effectsList.at(a)).effectParameters; |
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172 | double sigma; |
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173 | QTextStream fp(&tmpstr, IO_ReadOnly); |
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174 | fp >> sigma; |
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175 | solarize(sigma, cmyk); |
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176 | } |
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2074 | fschmid | 177 | } |
178 | } |
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179 | } |
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180 | |||
2095 | fschmid | 181 | void ScImage::liberateMemory(void **memory) |
182 | { |
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183 | assert(memory != (void **)NULL); |
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184 | if(*memory == (void *)NULL) |
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185 | return; |
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186 | free(*memory); |
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187 | *memory=(void *) NULL; |
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188 | } |
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189 | |||
2096 | fschmid | 190 | void ScImage::solarize(double factor, bool cmyk) |
191 | { |
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192 | curveTable.resize(256); |
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193 | int fk = qRound(255 / factor); |
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194 | for (int i = 0; i < 256; ++i) |
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195 | { |
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196 | curveTable[i] = QMIN(255, static_cast<int>(i / fk) * fk); |
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197 | } |
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198 | applyCurve(cmyk); |
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199 | } |
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200 | |||
2095 | fschmid | 201 | void ScImage::blurScanLine(double *kernel, int width, unsigned int *src, unsigned int *dest, int columns) |
202 | { |
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203 | register double *p; |
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204 | unsigned int *q; |
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205 | register int x; |
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206 | register long i; |
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207 | double red, green, blue, alpha; |
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208 | double scale = 0.0; |
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209 | if(width > columns) |
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210 | { |
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211 | for(x=0; x < columns; ++x) |
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212 | { |
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213 | scale = 0.0; |
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214 | red = blue = green = alpha = 0.0; |
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215 | p = kernel; |
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216 | q = src; |
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217 | for(i=0; i < columns; ++i) |
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218 | { |
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219 | if((i >= (x-width/2)) && (i <= (x+width/2))) |
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220 | { |
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221 | red += (*p)*(qRed(*q)*257); |
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222 | green += (*p)*(qGreen(*q)*257); |
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223 | blue += (*p)*(qBlue(*q)*257); |
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224 | alpha += (*p)*(qAlpha(*q)*257); |
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225 | } |
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226 | if(((i+width/2-x) >= 0) && ((i+width/2-x) < width)) |
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227 | scale+=kernel[i+width/2-x]; |
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228 | p++; |
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229 | q++; |
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230 | } |
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231 | scale = 1.0/scale; |
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232 | red = scale*(red+0.5); |
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233 | green = scale*(green+0.5); |
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234 | blue = scale*(blue+0.5); |
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235 | alpha = scale*(alpha+0.5); |
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236 | red = red < 0 ? 0 : red > 65535 ? 65535 : red; |
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237 | green = green < 0 ? 0 : green > 65535 ? 65535 : green; |
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238 | blue = blue < 0 ? 0 : blue > 65535 ? 65535 : blue; |
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239 | alpha = alpha < 0 ? 0 : alpha > 65535 ? 65535 : alpha; |
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240 | dest[x] = qRgba((unsigned char)(red/257UL), |
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241 | (unsigned char)(green/257UL), |
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242 | (unsigned char)(blue/257UL), |
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243 | (unsigned char)(alpha/257UL)); |
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244 | } |
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245 | return; |
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246 | } |
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247 | |||
248 | for(x=0; x < width/2; ++x) |
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249 | { |
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250 | scale = 0.0; |
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251 | red = blue = green = alpha = 0.0; |
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252 | p = kernel+width/2-x; |
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253 | q = src; |
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254 | for(i=width/2-x; i < width; ++i) |
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255 | { |
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256 | red += (*p)*(qRed(*q)*257); |
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257 | green += (*p)*(qGreen(*q)*257); |
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258 | blue += (*p)*(qBlue(*q)*257); |
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259 | alpha += (*p)*(qAlpha(*q)*257); |
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260 | scale += (*p); |
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261 | p++; |
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262 | q++; |
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263 | } |
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264 | scale=1.0/scale; |
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265 | red = scale*(red+0.5); |
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266 | green = scale*(green+0.5); |
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267 | blue = scale*(blue+0.5); |
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268 | alpha = scale*(alpha+0.5); |
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269 | red = red < 0 ? 0 : red > 65535 ? 65535 : red; |
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270 | green = green < 0 ? 0 : green > 65535 ? 65535 : green; |
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271 | blue = blue < 0 ? 0 : blue > 65535 ? 65535 : blue; |
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272 | alpha = alpha < 0 ? 0 : alpha > 65535 ? 65535 : alpha; |
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273 | dest[x] = qRgba((unsigned char)(red/257UL), |
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274 | (unsigned char)(green/257UL), |
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275 | (unsigned char)(blue/257UL), |
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276 | (unsigned char)(alpha/257UL)); |
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277 | } |
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278 | for(; x < columns-width/2; ++x) |
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279 | { |
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280 | red = blue = green = alpha = 0.0; |
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281 | p = kernel; |
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282 | q = src+(x-width/2); |
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283 | for (i=0; i < (long) width; ++i) |
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284 | { |
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285 | red += (*p)*(qRed(*q)*257); |
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286 | green += (*p)*(qGreen(*q)*257); |
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287 | blue += (*p)*(qBlue(*q)*257); |
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288 | alpha += (*p)*(qAlpha(*q)*257); |
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289 | p++; |
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290 | q++; |
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291 | } |
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292 | red = scale*(red+0.5); |
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293 | green = scale*(green+0.5); |
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294 | blue = scale*(blue+0.5); |
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295 | alpha = scale*(alpha+0.5); |
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296 | red = red < 0 ? 0 : red > 65535 ? 65535 : red; |
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297 | green = green < 0 ? 0 : green > 65535 ? 65535 : green; |
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298 | blue = blue < 0 ? 0 : blue > 65535 ? 65535 : blue; |
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299 | alpha = alpha < 0 ? 0 : alpha > 65535 ? 65535 : alpha; |
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300 | dest[x] = qRgba((unsigned char)(red/257UL), |
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301 | (unsigned char)(green/257UL), |
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302 | (unsigned char)(blue/257UL), |
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303 | (unsigned char)(alpha/257UL)); |
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304 | } |
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305 | for(; x < columns; ++x) |
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306 | { |
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307 | red = blue = green = alpha = 0.0; |
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308 | scale=0; |
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309 | p = kernel; |
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310 | q = src+(x-width/2); |
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311 | for(i=0; i < columns-x+width/2; ++i) |
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312 | { |
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313 | red += (*p)*(qRed(*q)*257); |
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314 | green += (*p)*(qGreen(*q)*257); |
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315 | blue += (*p)*(qBlue(*q)*257); |
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316 | alpha += (*p)*(qAlpha(*q)*257); |
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317 | scale += (*p); |
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318 | p++; |
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319 | q++; |
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320 | } |
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321 | scale=1.0/scale; |
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322 | red = scale*(red+0.5); |
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323 | green = scale*(green+0.5); |
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324 | blue = scale*(blue+0.5); |
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325 | alpha = scale*(alpha+0.5); |
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326 | red = red < 0 ? 0 : red > 65535 ? 65535 : red; |
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327 | green = green < 0 ? 0 : green > 65535 ? 65535 : green; |
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328 | blue = blue < 0 ? 0 : blue > 65535 ? 65535 : blue; |
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329 | alpha = alpha < 0 ? 0 : alpha > 65535 ? 65535 : alpha; |
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330 | dest[x] = qRgba((unsigned char)(red/257UL), |
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331 | (unsigned char)(green/257UL), |
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332 | (unsigned char)(blue/257UL), |
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333 | (unsigned char)(alpha/257UL)); |
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334 | } |
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335 | } |
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336 | |||
337 | int ScImage::getBlurKernel(int width, double sigma, double **kernel) |
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338 | { |
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339 | double alpha, normalize; |
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340 | register long i; |
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341 | int bias; |
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342 | assert(sigma != 0.0); |
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343 | if(width == 0) |
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344 | width = 3; |
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345 | *kernel=(double *)malloc(width*sizeof(double)); |
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346 | if(*kernel == (double *)NULL) |
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347 | return(0); |
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348 | memset(*kernel, 0, width*sizeof(double)); |
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349 | bias = 3*width/2; |
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350 | for(i=(-bias); i <= bias; i++) |
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351 | { |
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352 | alpha=exp(-((double) i*i)/(2.0*3*3*sigma*sigma)); |
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353 | (*kernel)[(i+bias)/3]+=alpha/(2.50662827463100024161235523934010416269302368164062*sigma); |
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354 | } |
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355 | normalize=0; |
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356 | for(i=0; i < width; i++) |
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357 | normalize+=(*kernel)[i]; |
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358 | for(i=0; i < width; i++) |
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359 | (*kernel)[i]/=normalize; |
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360 | return(width); |
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361 | } |
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362 | |||
363 | void ScImage::blur(double radius, double sigma) |
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364 | { |
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365 | double *kernel; |
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366 | QImage dest; |
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367 | int widthk; |
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368 | int x, y; |
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369 | unsigned int *scanline, *temp; |
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370 | unsigned int *p, *q; |
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371 | if(sigma == 0.0) |
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372 | return; |
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373 | kernel=(double *) NULL; |
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374 | if(radius > 0) |
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375 | widthk=getBlurKernel((int) (2*ceil(radius)+1),sigma,&kernel); |
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376 | else |
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377 | { |
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378 | double *last_kernel; |
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379 | last_kernel=(double *) NULL; |
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380 | widthk=getBlurKernel(3,sigma,&kernel); |
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381 | while ((long) (255*kernel[0]) > 0) |
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382 | { |
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383 | if(last_kernel != (double *)NULL) |
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384 | { |
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385 | liberateMemory((void **) &last_kernel); |
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386 | } |
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387 | last_kernel=kernel; |
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388 | kernel = (double *)NULL; |
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389 | widthk = getBlurKernel(widthk+2, sigma, &kernel); |
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390 | } |
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391 | if(last_kernel != (double *) NULL) |
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392 | { |
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393 | liberateMemory((void **) &kernel); |
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394 | widthk-=2; |
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395 | kernel = last_kernel; |
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396 | } |
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397 | } |
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398 | if(widthk < 3) |
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399 | { |
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400 | liberateMemory((void **) &kernel); |
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401 | return; |
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402 | } |
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403 | dest.create(width(), height(), 32); |
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404 | scanline = (unsigned int *)malloc(sizeof(unsigned int)*height()); |
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405 | temp = (unsigned int *)malloc(sizeof(unsigned int)*height()); |
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406 | for(y=0; y < height(); ++y) |
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407 | { |
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408 | p = (unsigned int *)scanLine(y); |
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409 | q = (unsigned int *)dest.scanLine(y); |
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410 | blurScanLine(kernel, widthk, p, q, width()); |
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411 | } |
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412 | unsigned int **srcTable = (unsigned int **)jumpTable(); |
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413 | unsigned int **destTable = (unsigned int **)dest.jumpTable(); |
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414 | for(x=0; x < width(); ++x) |
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415 | { |
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416 | for(y=0; y < height(); ++y) |
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417 | { |
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418 | scanline[y] = srcTable[y][x]; |
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419 | } |
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420 | blurScanLine(kernel, widthk, scanline, temp, height()); |
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421 | for(y=0; y < height(); ++y) |
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422 | { |
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423 | destTable[y][x] = temp[y]; |
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424 | } |
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425 | } |
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426 | liberateMemory((void **) &scanline); |
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427 | liberateMemory((void **) &temp); |
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428 | liberateMemory((void **) &kernel); |
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429 | for( int yi=0; yi < dest.height(); ++yi ) |
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430 | { |
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431 | QRgb *s = (QRgb*)(dest.scanLine( yi )); |
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432 | QRgb *d = (QRgb*)(scanLine( yi )); |
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433 | for(int xi=0; xi < dest.width(); ++xi ) |
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434 | { |
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435 | (*d) = (*s); |
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436 | s++; |
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437 | d++; |
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438 | } |
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439 | } |
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440 | return; |
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441 | } |
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442 | |||
2092 | fschmid | 443 | bool ScImage::convolveImage(QImage *dest, const unsigned int order, const double *kernel) |
444 | { |
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445 | long widthk; |
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446 | double red, green, blue, alpha; |
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447 | double normalize, *normal_kernel; |
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448 | register const double *k; |
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449 | register unsigned int *q; |
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450 | int x, y, mx, my, sx, sy; |
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451 | long i; |
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452 | int mcx, mcy; |
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453 | widthk = order; |
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454 | if((widthk % 2) == 0) |
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455 | return(false); |
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456 | normal_kernel = (double *)malloc(widthk*widthk*sizeof(double)); |
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457 | if(!normal_kernel) |
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458 | return(false); |
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459 | dest->reset(); |
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460 | dest->create(width(), height(), 32); |
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461 | normalize=0.0; |
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462 | for(i=0; i < (widthk*widthk); i++) |
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463 | normalize += kernel[i]; |
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464 | if(fabs(normalize) <= 1.0e-12) |
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465 | normalize=1.0; |
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466 | normalize=1.0/normalize; |
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467 | for(i=0; i < (widthk*widthk); i++) |
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468 | normal_kernel[i] = normalize*kernel[i]; |
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469 | unsigned int **jumpTablek = (unsigned int **)jumpTable(); |
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470 | for(y=0; y < dest->height(); ++y) |
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471 | { |
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472 | sy = y-(widthk/2); |
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473 | q = (unsigned int *)dest->scanLine(y); |
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474 | for(x=0; x < dest->width(); ++x) |
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475 | { |
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476 | k = normal_kernel; |
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477 | red = green = blue = alpha = 0; |
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478 | sy = y-(widthk/2); |
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479 | for(mcy=0; mcy < widthk; ++mcy, ++sy) |
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480 | { |
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481 | my = sy < 0 ? 0 : sy > height()-1 ? height()-1 : sy; |
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482 | sx = x+(-widthk/2); |
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483 | for(mcx=0; mcx < widthk; ++mcx, ++sx) |
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484 | { |
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485 | mx = sx < 0 ? 0 : sx > width()-1 ? width()-1 : sx; |
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486 | red += (*k)*(qRed(jumpTablek[my][mx])*257); |
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487 | green += (*k)*(qGreen(jumpTablek[my][mx])*257); |
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488 | blue += (*k)*(qBlue(jumpTablek[my][mx])*257); |
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489 | alpha += (*k)*(qAlpha(jumpTablek[my][mx])*257); |
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490 | ++k; |
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491 | } |
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492 | } |
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493 | red = red < 0 ? 0 : red > 65535 ? 65535 : red+0.5; |
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494 | green = green < 0 ? 0 : green > 65535 ? 65535 : green+0.5; |
||
495 | blue = blue < 0 ? 0 : blue > 65535 ? 65535 : blue+0.5; |
||
496 | alpha = alpha < 0 ? 0 : alpha > 65535 ? 65535 : alpha+0.5; |
||
497 | *q++ = qRgba((unsigned char)(red/257UL), |
||
2095 | fschmid | 498 | (unsigned char)(green/257UL), |
499 | (unsigned char)(blue/257UL), |
||
500 | (unsigned char)(alpha/257UL)); |
||
2092 | fschmid | 501 | } |
502 | } |
||
2095 | fschmid | 503 | free(normal_kernel); |
2092 | fschmid | 504 | return(true); |
505 | } |
||
506 | |||
507 | int ScImage::getOptimalKernelWidth(double radius, double sigma) |
||
508 | { |
||
509 | double normalize, value; |
||
510 | long width; |
||
511 | register long u; |
||
512 | assert(sigma != 0.0); |
||
513 | if(radius > 0.0) |
||
514 | return((int)(2.0*ceil(radius)+1.0)); |
||
515 | for(width=5; ;) |
||
516 | { |
||
517 | normalize=0.0; |
||
518 | for(u=(-width/2); u <= (width/2); u++) |
||
519 | normalize+=exp(-((double) u*u)/(2.0*sigma*sigma))/(2.50662827463100024161235523934010416269302368164062*sigma); |
||
520 | u=width/2; |
||
521 | value=exp(-((double) u*u)/(2.0*sigma*sigma))/(2.50662827463100024161235523934010416269302368164062*sigma)/normalize; |
||
522 | if((long)(65535*value) <= 0) |
||
523 | break; |
||
524 | width+=2; |
||
525 | } |
||
526 | return((int)width-2); |
||
527 | } |
||
528 | |||
529 | void ScImage::sharpen(double radius, double sigma) |
||
530 | { |
||
531 | double alpha, normalize, *kernel; |
||
532 | int widthk; |
||
533 | register long i, u, v; |
||
534 | QImage dest; |
||
535 | if(sigma == 0.0) |
||
536 | return; |
||
537 | widthk = getOptimalKernelWidth(radius, sigma); |
||
538 | if(width() < widthk) |
||
539 | return; |
||
540 | kernel = (double *)malloc(widthk*widthk*sizeof(double)); |
||
541 | if(!kernel) |
||
542 | return; |
||
543 | i = 0; |
||
544 | normalize=0.0; |
||
545 | for (v=(-widthk/2); v <= (widthk/2); v++) |
||
546 | { |
||
547 | for (u=(-widthk/2); u <= (widthk/2); u++) |
||
548 | { |
||
549 | alpha=exp(-((double) u*u+v*v)/(2.0*sigma*sigma)); |
||
550 | kernel[i]=alpha/(2.0*3.14159265358979323846264338327950288419716939937510*sigma*sigma); |
||
551 | normalize+=kernel[i]; |
||
552 | i++; |
||
553 | } |
||
554 | } |
||
555 | kernel[i/2]=(-2.0)*normalize; |
||
556 | convolveImage(&dest, widthk, kernel); |
||
2095 | fschmid | 557 | liberateMemory((void **) &kernel); |
2092 | fschmid | 558 | for( int yi=0; yi < dest.height(); ++yi ) |
559 | { |
||
560 | QRgb *s = (QRgb*)(dest.scanLine( yi )); |
||
561 | QRgb *d = (QRgb*)(scanLine( yi )); |
||
562 | for(int xi=0; xi < dest.width(); ++xi ) |
||
563 | { |
||
564 | (*d) = (*s); |
||
565 | s++; |
||
566 | d++; |
||
567 | } |
||
568 | } |
||
569 | return; |
||
570 | } |
||
571 | |||
2082 | fschmid | 572 | void ScImage::contrast(int contrastValue, bool cmyk) |
573 | { |
||
574 | curveTable.resize(256); |
||
575 | QPoint p1(0,0 - contrastValue); |
||
576 | QPoint p2(256, 256 + contrastValue); |
||
577 | double mc = (p1.y() - p2.y()) / (double)(p1.x() - p2.x()); |
||
578 | for (int i = 0; i < 256; ++i) |
||
579 | { |
||
580 | curveTable[i] = QMIN(255, QMAX(0, int(i * mc) + p1.y())); |
||
581 | } |
||
582 | applyCurve(cmyk); |
||
583 | } |
||
584 | |||
585 | void ScImage::brightness(int brightnessValue, bool cmyk) |
||
586 | { |
||
587 | curveTable.resize(256); |
||
588 | QPoint p1(0,0 + brightnessValue); |
||
589 | QPoint p2(256, 256 + brightnessValue); |
||
590 | double mc = (p1.y() - p2.y()) / (double)(p1.x() - p2.x()); |
||
591 | for (int i = 0; i < 256; ++i) |
||
592 | { |
||
593 | curveTable[i] = QMIN(255, QMAX(0, int(i * mc) + p1.y())); |
||
594 | } |
||
595 | applyCurve(cmyk); |
||
596 | } |
||
597 | |||
598 | void ScImage::applyCurve(bool cmyk) |
||
599 | { |
||
600 | int h = height(); |
||
601 | int w = width(); |
||
602 | for( int yi=0; yi < h; ++yi ) |
||
603 | { |
||
604 | QRgb * s = (QRgb*)(scanLine( yi )); |
||
605 | for( int xi=0; xi < w; ++xi ) |
||
606 | { |
||
607 | QRgb r=*s; |
||
608 | int c, m, y, k; |
||
609 | if (cmyk) |
||
610 | { |
||
2766 | cbradney | 611 | unsigned char *p = (unsigned char *) s; |
612 | unsigned char rc = 255 - QMIN(255, p[0] + p[3]); |
||
613 | unsigned char gc = 255 - QMIN(255, p[1] + p[3]); |
||
614 | unsigned char bc = 255 - QMIN(255, p[2] + p[3]); |
||
4419 | cbradney | 615 | c = 255 - curveTable[(int)rc]; |
616 | m = 255 - curveTable[(int)gc]; |
||
617 | y = 255 - curveTable[(int)bc]; |
||
2082 | fschmid | 618 | k = QMIN(QMIN(c, m), y); |
619 | *s = qRgba(y - k, m - k, c - k, k ); |
||
620 | } |
||
621 | else |
||
622 | { |
||
623 | c = curveTable[qRed(r)]; |
||
624 | m = curveTable[qGreen(r)]; |
||
625 | y = curveTable[qBlue(r)]; |
||
626 | k = qAlpha(r); |
||
627 | *s = qRgba(c, m, y, k); |
||
628 | } |
||
629 | s++; |
||
630 | } |
||
631 | } |
||
632 | } |
||
633 | |||
2886 | fschmid | 634 | void ScImage::colorize(ScColor color, int shade, bool cmyk) |
2053 | fschmid | 635 | { |
636 | int h = height(); |
||
637 | int w = width(); |
||
638 | int cc, cm, cy, ck; |
||
2057 | fschmid | 639 | int hu, sa, v; |
2886 | fschmid | 640 | ScColor tmp2; |
2057 | fschmid | 641 | QColor tmpR; |
2053 | fschmid | 642 | if (cmyk) |
2057 | fschmid | 643 | color.getShadeColorCMYK(&cc, &cm, &cy, &ck, shade); |
2053 | fschmid | 644 | else |
645 | { |
||
646 | ck = 0; |
||
2057 | fschmid | 647 | color.getShadeColorRGB(&cc, &cm, &cy, shade); |
2053 | fschmid | 648 | } |
649 | for( int yi=0; yi < h; ++yi ) |
||
650 | { |
||
651 | QRgb * s = (QRgb*)(scanLine( yi )); |
||
652 | for( int xi=0; xi < w; ++xi ) |
||
653 | { |
||
654 | QRgb r=*s; |
||
655 | if (cmyk) |
||
656 | { |
||
2057 | fschmid | 657 | double k = QMIN(qRound(0.3 * qRed(r) + 0.59 * qGreen(r) + 0.11 * qBlue(r) + qAlpha(r)), 255) / 255.0; |
2053 | fschmid | 658 | *s = qRgba(QMIN(qRound(cc*k), 255), QMIN(qRound(cm*k), 255), QMIN(qRound(cy*k), 255), QMIN(qRound(ck*k), 255)); |
659 | } |
||
660 | else |
||
661 | { |
||
2057 | fschmid | 662 | int k = 255 - QMIN(qRound(0.3 * qRed(r) + 0.59 * qGreen(r) + 0.11 * qBlue(r)), 255); |
663 | int cc2, cm2, cy2; |
||
664 | tmpR.setRgb(cc, cm, cy); |
||
665 | tmpR.hsv(&hu, &sa, &v); |
||
666 | if (cc == cm && cm == cy) |
||
667 | tmpR.setHsv(hu, sa, 255 - ((255 - v) * k / 255)); |
||
668 | else |
||
669 | tmpR.setHsv(hu, sa * k / 255, v); |
||
670 | tmpR.getRgb(&cc2, &cm2, &cy2); |
||
2053 | fschmid | 671 | int a = qAlpha(r); |
2057 | fschmid | 672 | *s = qRgba(cc2, cm2, cy2, a); |
2053 | fschmid | 673 | } |
674 | s++; |
||
675 | } |
||
676 | } |
||
677 | } |
||
678 | |||
2057 | fschmid | 679 | void ScImage::invert(bool cmyk) |
680 | { |
||
681 | int h = height(); |
||
682 | int w = width(); |
||
683 | for( int yi=0; yi < h; ++yi ) |
||
684 | { |
||
685 | QRgb * s = (QRgb*)(scanLine( yi )); |
||
686 | for( int xi=0; xi < w; ++xi ) |
||
687 | { |
||
688 | if (cmyk) |
||
689 | { |
||
2766 | cbradney | 690 | unsigned char *p = (unsigned char *) s; |
2057 | fschmid | 691 | unsigned char c, m, y, k; |
2766 | cbradney | 692 | c = 255 - QMIN(255, p[0] + p[3]); |
693 | m = 255 - QMIN(255, p[1] + p[3]); |
||
694 | y = 255 - QMIN(255, p[2] + p[3]); |
||
2061 | fschmid | 695 | k = QMIN(QMIN(c, m), y); |
2766 | cbradney | 696 | p[0] = c - k; |
697 | p[1] = m - k; |
||
698 | p[2] = y - k; |
||
699 | p[3] = k; |
||
2057 | fschmid | 700 | } |
701 | else |
||
2766 | cbradney | 702 | *s ^= 0x00ffffff; |
2057 | fschmid | 703 | s++; |
704 | } |
||
705 | } |
||
706 | } |
||
707 | |||
2053 | fschmid | 708 | void ScImage::toGrayscale(bool cmyk) |
709 | { |
||
710 | int h = height(); |
||
711 | int w = width(); |
||
712 | for( int yi=0; yi < h; ++yi ) |
||
713 | { |
||
714 | QRgb * s = (QRgb*)(scanLine( yi )); |
||
715 | for( int xi=0; xi < w; ++xi ) |
||
716 | { |
||
717 | QRgb r=*s; |
||
718 | int k; |
||
719 | if (cmyk) |
||
720 | { |
||
2056 | fschmid | 721 | k = QMIN(qRound(0.3 * qRed(r) + 0.59 * qGreen(r) + 0.11 * qBlue(r) + qAlpha(r)), 255); |
2053 | fschmid | 722 | *s = qRgba(0, 0, 0, k); |
723 | } |
||
724 | else |
||
725 | { |
||
726 | k = QMIN(qRound(0.3 * qRed(r) + 0.59 * qGreen(r) + 0.11 * qBlue(r)), 255); |
||
727 | int a = qAlpha(r); |
||
728 | *s = qRgba(k, k, k, a); |
||
729 | } |
||
730 | s++; |
||
731 | } |
||
732 | } |
||
733 | } |
||
734 | |||
2012 | fschmid | 735 | void ScImage::swapRGBA() |
736 | { |
||
737 | for (int i = 0; i < height(); ++i) |
||
738 | { |
||
2766 | cbradney | 739 | unsigned int *ptr = (unsigned int *) scanLine(i); |
740 | unsigned char r, b; |
||
2012 | fschmid | 741 | for (int j = 0; j < width(); ++j) |
742 | { |
||
743 | unsigned char *p = (unsigned char *) ptr; |
||
2766 | cbradney | 744 | r = p[0]; |
745 | b = p[2]; |
||
746 | p[2] = r; |
||
747 | p[0] = b; |
||
748 | ptr++; |
||
2012 | fschmid | 749 | } |
750 | } |
||
751 | } |
||
752 | |||
2025 | fschmid | 753 | void ScImage::createLowRes(double scale) |
2012 | fschmid | 754 | { |
2025 | fschmid | 755 | int w = qRound(width() / scale); |
756 | int h = qRound(height() / scale); |
||
2012 | fschmid | 757 | QImage tmp = smoothScale(w, h); |
758 | create(w, h, 32); |
||
759 | for( int yi=0; yi < tmp.height(); ++yi ) |
||
760 | { |
||
761 | QRgb *s = (QRgb*)(tmp.scanLine( yi )); |
||
762 | QRgb *d = (QRgb*)(scanLine( yi )); |
||
763 | for(int xi=0; xi < tmp.width(); ++xi ) |
||
764 | { |
||
765 | (*d) = (*s); |
||
766 | s++; |
||
767 | d++; |
||
768 | } |
||
769 | } |
||
770 | } |
||
771 | |||
2004 | fschmid | 772 | void ScImage::Convert2JPG(QString fn, int Quality, bool isCMYK, bool isGray) |
773 | { |
||
774 | struct jpeg_compress_struct cinfo; |
||
775 | struct my_error_mgr jerr; |
||
776 | FILE *outfile; |
||
777 | JSAMPROW row_pointer[1]; |
||
778 | row_pointer[0] = 0; |
||
779 | cinfo.err = jpeg_std_error (&jerr.pub); |
||
780 | jerr.pub.error_exit = my_error_exit; |
||
781 | outfile = NULL; |
||
782 | if (setjmp (jerr.setjmp_buffer)) |
||
783 | { |
||
784 | jpeg_destroy_compress (&cinfo); |
||
785 | if (outfile) |
||
786 | fclose (outfile); |
||
787 | return; |
||
788 | } |
||
789 | jpeg_create_compress (&cinfo); |
||
2643 | craig | 790 | if ((outfile = fopen (fn.local8Bit(), "wb")) == NULL) |
2004 | fschmid | 791 | return; |
792 | jpeg_stdio_dest (&cinfo, outfile); |
||
793 | cinfo.image_width = width(); |
||
794 | cinfo.image_height = height(); |
||
795 | if (isCMYK) |
||
796 | { |
||
797 | cinfo.in_color_space = JCS_CMYK; |
||
798 | cinfo.input_components = 4; |
||
799 | } |
||
800 | else |
||
801 | { |
||
802 | if (isGray) |
||
803 | { |
||
804 | cinfo.in_color_space = JCS_GRAYSCALE; |
||
805 | cinfo.input_components = 1; |
||
806 | } |
||
807 | else |
||
808 | { |
||
809 | cinfo.in_color_space = JCS_RGB; |
||
810 | cinfo.input_components = 3; |
||
811 | } |
||
812 | } |
||
813 | jpeg_set_defaults (&cinfo); |
||
814 | int qual[] = { 95, 85, 75, 50, 25 }; // These are the JPEG Quality settings 100 means best, 0 .. don't discuss |
||
815 | jpeg_set_quality (&cinfo, qual[Quality], true); |
||
2680 | cbradney | 816 | jpeg_start_compress (&cinfo, true); |
2004 | fschmid | 817 | row_pointer[0] = new uchar[cinfo.image_width*cinfo.input_components]; |
818 | int w = cinfo.image_width; |
||
819 | while (cinfo.next_scanline < cinfo.image_height) |
||
820 | { |
||
821 | uchar *row = row_pointer[0]; |
||
822 | if (isCMYK) |
||
823 | { |
||
824 | QRgb* rgba = (QRgb*)scanLine(cinfo.next_scanline); |
||
825 | for (int i=0; i<w; ++i) |
||
826 | { |
||
3963 | fschmid | 827 | *row++ = 255-qRed(*rgba); |
828 | *row++ = 255-qGreen(*rgba); |
||
829 | *row++ = 255-qBlue(*rgba); |
||
830 | *row++ = 255-qAlpha(*rgba); |
||
2004 | fschmid | 831 | ++rgba; |
832 | } |
||
833 | } |
||
834 | else |
||
835 | { |
||
836 | if (isGray) |
||
837 | { |
||
838 | QRgb* rgba = (QRgb*)scanLine(cinfo.next_scanline); |
||
839 | for (int i=0; i<w; ++i) |
||
840 | { |
||
841 | *row++ = qRed(*rgba); |
||
842 | ++rgba; |
||
843 | } |
||
844 | } |
||
845 | else |
||
846 | { |
||
847 | QRgb* rgb = (QRgb*)scanLine(cinfo.next_scanline); |
||
848 | for (int i=0; i<w; i++) |
||
849 | { |
||
850 | *row++ = qRed(*rgb); |
||
851 | *row++ = qGreen(*rgb); |
||
852 | *row++ = qBlue(*rgb); |
||
853 | ++rgb; |
||
854 | } |
||
855 | } |
||
856 | } |
||
857 | jpeg_write_scanlines (&cinfo, row_pointer, 1); |
||
858 | } |
||
859 | jpeg_finish_compress (&cinfo); |
||
860 | fclose (outfile); |
||
861 | jpeg_destroy_compress (&cinfo); |
||
862 | delete [] row_pointer[0]; |
||
863 | } |
||
864 | |||
5234 | fschmid | 865 | QByteArray ScImage::ImageToArray() |
2004 | fschmid | 866 | { |
2884 | fschmid | 867 | int i = 0; |
2004 | fschmid | 868 | int h = height(); |
869 | int w = width(); |
||
2884 | fschmid | 870 | unsigned char u; |
5234 | fschmid | 871 | QByteArray imgArray(3 * h * w); |
2004 | fschmid | 872 | for( int yi=0; yi < h; ++yi ) |
873 | { |
||
874 | QRgb * s = (QRgb*)(scanLine( yi )); |
||
875 | for( int xi=0; xi < w; ++xi ) |
||
876 | { |
||
877 | QRgb r=*s++; |
||
2884 | fschmid | 878 | u=qRed(r); |
5234 | fschmid | 879 | imgArray[i++] = u; |
2004 | fschmid | 880 | u=qGreen(r); |
5234 | fschmid | 881 | imgArray[i++] = u; |
2004 | fschmid | 882 | u=qBlue(r); |
5234 | fschmid | 883 | imgArray[i++] = u; |
2004 | fschmid | 884 | } |
885 | } |
||
5234 | fschmid | 886 | return imgArray; |
2004 | fschmid | 887 | } |
888 | |||
5234 | fschmid | 889 | QByteArray ScImage::ImageToGray() |
2004 | fschmid | 890 | { |
2884 | fschmid | 891 | int i = 0; |
2004 | fschmid | 892 | int h = height(); |
893 | int w = width(); |
||
5234 | fschmid | 894 | QByteArray imgArray(h * w); |
2004 | fschmid | 895 | for( int yi=0; yi < h; ++yi ) |
896 | { |
||
897 | QRgb * s = (QRgb*)(scanLine( yi )); |
||
898 | for( int xi=0; xi < w; ++xi ) |
||
899 | { |
||
900 | QRgb r=*s; |
||
901 | int k = QMIN(qRound(0.3 * qRed(r) + 0.59 * qGreen(r) + 0.11 * qBlue(r)), 255); |
||
902 | *s = qRgba(k, 0, 0, 0); |
||
5234 | fschmid | 903 | imgArray[i++] = k; |
2004 | fschmid | 904 | s++; |
905 | } |
||
906 | } |
||
5234 | fschmid | 907 | return imgArray; |
2004 | fschmid | 908 | } |
909 | |||
5234 | fschmid | 910 | QByteArray ScImage::ImageToCMYK_PDF(bool pre) |
2004 | fschmid | 911 | { |
2884 | fschmid | 912 | int i = 0; |
2004 | fschmid | 913 | int h = height(); |
914 | int w = width(); |
||
5234 | fschmid | 915 | QByteArray imgArray( 4 * h * w ); |
2004 | fschmid | 916 | if (pre) |
917 | { |
||
918 | for( int yi=0; yi < h; ++yi ) |
||
919 | { |
||
920 | QRgb * s = (QRgb*)(scanLine( yi )); |
||
921 | for( int xi=0; xi < w; ++xi ) |
||
922 | { |
||
923 | QRgb r=*s; |
||
924 | int c = qRed(r); |
||
925 | int m = qGreen(r); |
||
926 | int y = qBlue(r); |
||
927 | int k = qAlpha(r); |
||
5234 | fschmid | 928 | imgArray[i++] = static_cast<unsigned char> (c); |
929 | imgArray[i++] = static_cast<unsigned char> (m); |
||
930 | imgArray[i++] = static_cast<unsigned char> (y); |
||
931 | imgArray[i++] = static_cast<unsigned char> (k); |
||
2004 | fschmid | 932 | s++; |
933 | } |
||
934 | } |
||
935 | } |
||
936 | else |
||
937 | { |
||
938 | for( int yi=0; yi < h; ++yi ) |
||
939 | { |
||
940 | QRgb * s = (QRgb*)(scanLine( yi )); |
||
941 | for( int xi=0; xi < w; ++xi ) |
||
942 | { |
||
943 | QRgb r=*s; |
||
944 | int c = 255 - qRed(r); |
||
945 | int m = 255 - qGreen(r); |
||
946 | int y = 255 - qBlue(r); |
||
947 | int k = QMIN(QMIN(c, m), y); |
||
5234 | fschmid | 948 | imgArray[i++] = static_cast<unsigned char> (c - k); |
949 | imgArray[i++] = static_cast<unsigned char> (m - k); |
||
950 | imgArray[i++] = static_cast<unsigned char> (y - k); |
||
951 | imgArray[i++] = static_cast<unsigned char> (k); |
||
2004 | fschmid | 952 | s++; |
953 | } |
||
954 | } |
||
955 | } |
||
5234 | fschmid | 956 | return imgArray; |
2004 | fschmid | 957 | } |
958 | |||
5234 | fschmid | 959 | QByteArray ScImage::ImageToCMYK_PS(int pl, bool pre) |
2004 | fschmid | 960 | { |
2884 | fschmid | 961 | int i = 0; |
2004 | fschmid | 962 | int h = height(); |
963 | int w = width(); |
||
5234 | fschmid | 964 | QByteArray imgArray; |
2884 | fschmid | 965 | if(pl == -1) |
5234 | fschmid | 966 | imgArray.resize(4 * h * w); |
2884 | fschmid | 967 | else |
5234 | fschmid | 968 | imgArray.resize(h * w); |
2004 | fschmid | 969 | if (pre) |
970 | { |
||
971 | for( int yi=0; yi < h; ++yi ) |
||
972 | { |
||
973 | QRgb * s = (QRgb*)(scanLine( yi )); |
||
974 | for( int xi=0; xi < w; ++xi ) |
||
975 | { |
||
976 | QRgb r=*s++; |
||
977 | int c = qRed(r); |
||
978 | int m = qGreen(r); |
||
979 | int y = qBlue(r); |
||
980 | int k = qAlpha(r); |
||
981 | if (pl == -1) |
||
982 | { |
||
5234 | fschmid | 983 | imgArray[i++] = static_cast<unsigned char> (c); |
984 | imgArray[i++] = static_cast<unsigned char> (m); |
||
985 | imgArray[i++] = static_cast<unsigned char> (y); |
||
986 | imgArray[i++] = static_cast<unsigned char> (k); |
||
2004 | fschmid | 987 | } |
988 | else |
||
989 | { |
||
990 | if (pl == -2) |
||
5234 | fschmid | 991 | imgArray[i++] = static_cast<unsigned char> (QMIN(255, qRound(0.3 * c + 0.59 * m + 0.11 * y + k))); |
2004 | fschmid | 992 | if (pl == 1) |
5234 | fschmid | 993 | imgArray[i++] = static_cast<unsigned char> (c); |
2004 | fschmid | 994 | if (pl == 2) |
5234 | fschmid | 995 | imgArray[i++] = static_cast<unsigned char> (m); |
2004 | fschmid | 996 | if (pl == 3) |
5234 | fschmid | 997 | imgArray[i++] = static_cast<unsigned char> (y); |
2004 | fschmid | 998 | if (pl == 0) |
5234 | fschmid | 999 | imgArray[i++] = static_cast<unsigned char> (k); |
2004 | fschmid | 1000 | } |
1001 | } |
||
1002 | } |
||
1003 | } |
||
1004 | else |
||
1005 | { |
||
1006 | for( int yi=0; yi < h; ++yi ) |
||
1007 | { |
||
1008 | QRgb * s = (QRgb*)(scanLine( yi )); |
||
1009 | for( int xi=0; xi < w; ++xi ) |
||
1010 | { |
||
1011 | QRgb r=*s++; |
||
1012 | int c = 255 - qRed(r); |
||
1013 | int m = 255 - qGreen(r); |
||
1014 | int y = 255 - qBlue(r); |
||
1015 | int k = QMIN(QMIN(c, m), y); |
||
1016 | if (pl == -1) |
||
1017 | { |
||
5234 | fschmid | 1018 | imgArray[i++] = static_cast<unsigned char> (c - k); |
1019 | imgArray[i++] = static_cast<unsigned char> (m - k); |
||
1020 | imgArray[i++] = static_cast<unsigned char> (y - k); |
||
1021 | imgArray[i++] = static_cast<unsigned char> (k); |
||
2004 | fschmid | 1022 | } |
1023 | else |
||
1024 | { |
||
1025 | if (pl == -2) |
||
5234 | fschmid | 1026 | imgArray[i++] = static_cast<unsigned char> (QMIN(255, qRound(0.3 * c + 0.59 * m + 0.11 * y + k))); |
2004 | fschmid | 1027 | if (pl == 1) |
5234 | fschmid | 1028 | imgArray[i++] = static_cast<unsigned char> (c - k); |
2004 | fschmid | 1029 | if (pl == 2) |
5234 | fschmid | 1030 | imgArray[i++] = static_cast<unsigned char> (m - k); |
2004 | fschmid | 1031 | if (pl == 3) |
5234 | fschmid | 1032 | imgArray[i++] = static_cast<unsigned char> (y - k); |
2004 | fschmid | 1033 | if (pl == 0) |
5234 | fschmid | 1034 | imgArray[i++] = static_cast<unsigned char> (k); |
2004 | fschmid | 1035 | } |
1036 | } |
||
1037 | } |
||
1038 | } |
||
5234 | fschmid | 1039 | return imgArray; |
2004 | fschmid | 1040 | } |
1041 | |||
1042 | // Check that the header is a valid PSD. |
||
1043 | bool ScImage::IsValid( const PSDHeader & header ) |
||
1044 | { |
||
1045 | if( header.signature != 0x38425053 ) |
||
1046 | return false; |
||
1047 | return true; |
||
1048 | } |
||
1049 | |||
1050 | // Check that the header is supported. |
||
1051 | bool ScImage::IsSupported( const PSDHeader & header ) |
||
1052 | { |
||
1053 | if ( header.version != 1 ) |
||
1054 | return false; |
||
1055 | if ( header.channel_count > 16 ) |
||
1056 | return false; |
||
1057 | if ( header.depth != 8 ) |
||
1058 | return false; |
||
3836 | fschmid | 1059 | if ((header.color_mode == CM_RGB) || (header.color_mode == CM_CMYK) |
1060 | || (header.color_mode == CM_GRAYSCALE) || (header.color_mode == CM_INDEXED)) |
||
2004 | fschmid | 1061 | return true; |
1062 | return false; |
||
1063 | } |
||
1064 | |||
3802 | fschmid | 1065 | bool ScImage::loadChannel( QDataStream & s, const PSDHeader & header, QValueList<PSDLayer> &layerInfo, uint layer, int channel, int component, QImage &tmpImg) |
1066 | { |
||
1067 | uint base = s.device()->at(); |
||
1068 | uchar cbyte; |
||
1069 | ushort compression; |
||
1070 | s >> compression; |
||
1071 | if( compression > 1 ) |
||
1072 | return false; |
||
1073 | if (compression == 0) |
||
1074 | { |
||
1075 | int count = layerInfo[layer].channelLen[channel]-2; |
||
1076 | for (int i = 0; i < tmpImg.height(); i++) |
||
1077 | { |
||
1078 | uchar *ptr = tmpImg.scanLine(i); |
||
1079 | for (int j = 0; j < tmpImg.width(); j++) |
||
1080 | { |
||
1081 | s >> cbyte; |
||
1082 | count--; |
||
1083 | if (header.color_mode == CM_CMYK) |
||
1084 | cbyte = 255 - cbyte; |
||
3814 | fschmid | 1085 | if ((header.color_mode == CM_GRAYSCALE) && (component != 3)) |
1086 | { |
||
1087 | ptr[0] = cbyte; |
||
1088 | ptr[1] = cbyte; |
||
1089 | ptr[2] = cbyte; |
||
1090 | } |
||
3836 | fschmid | 1091 | else if ((header.color_mode == CM_INDEXED) && (component != 3)) |
1092 | { |
||
1093 | int ccol = colorTable[cbyte]; |
||
4099 | fschmid | 1094 | ptr[2] = qRed(ccol); |
3836 | fschmid | 1095 | ptr[1] = qGreen(ccol); |
4099 | fschmid | 1096 | ptr[0] = qBlue(ccol); |
3836 | fschmid | 1097 | } |
3814 | fschmid | 1098 | else |
1099 | { |
||
1100 | if (channel < 4) |
||
1101 | ptr[component] = cbyte; |
||
1102 | } |
||
3802 | fschmid | 1103 | if (count == 0) |
1104 | break; |
||
1105 | ptr += 4; |
||
1106 | } |
||
1107 | if (count == 0) |
||
1108 | break; |
||
1109 | } |
||
1110 | } |
||
1111 | else |
||
1112 | { |
||
1113 | s.device()->at( s.device()->at() + tmpImg.height() * 2 ); |
||
1114 | uint pixel_count = tmpImg.width(); |
||
1115 | for (int hh = 0; hh < tmpImg.height(); hh++) |
||
1116 | { |
||
1117 | uint count = 0; |
||
1118 | uchar *ptr = tmpImg.scanLine(hh); |
||
1119 | uchar *ptr2 = ptr+tmpImg.width() * 4; |
||
1120 | ptr += component; |
||
1121 | while( count < pixel_count ) |
||
1122 | { |
||
1123 | uchar c; |
||
1124 | if(s.atEnd()) |
||
1125 | return false; |
||
1126 | s >> c; |
||
1127 | uint len = c; |
||
1128 | if( len < 128 ) |
||
1129 | { |
||
1130 | // Copy next len+1 bytes literally. |
||
1131 | len++; |
||
1132 | count += len; |
||
1133 | while( len != 0 ) |
||
1134 | { |
||
1135 | s >> cbyte; |
||
1136 | if (ptr < ptr2) |
||
1137 | { |
||
1138 | if (header.color_mode == CM_CMYK) |
||
1139 | cbyte = 255 - cbyte; |
||
3814 | fschmid | 1140 | if ((header.color_mode == CM_GRAYSCALE) && (component != 3)) |
1141 | { |
||
1142 | ptr -= component; |
||
1143 | ptr[0] = cbyte; |
||
1144 | ptr[1] = cbyte; |
||
1145 | ptr[2] = cbyte; |
||
1146 | ptr += component; |
||
1147 | } |
||
3836 | fschmid | 1148 | else if ((header.color_mode == CM_INDEXED) && (component != 3)) |
1149 | { |
||
1150 | ptr -= component; |
||
1151 | int ccol = colorTable[cbyte]; |
||
4099 | fschmid | 1152 | ptr[2] = qRed(ccol); |
3836 | fschmid | 1153 | ptr[1] = qGreen(ccol); |
4099 | fschmid | 1154 | ptr[0] = qBlue(ccol); |
3836 | fschmid | 1155 | ptr += component; |
1156 | } |
||
3814 | fschmid | 1157 | else |
1158 | { |
||
1159 | *ptr = cbyte; |
||
1160 | } |
||
3802 | fschmid | 1161 | } |
1162 | ptr += 4; |
||
1163 | len--; |
||
1164 | } |
||
1165 | } |
||
1166 | else if( len > 128 ) |
||
1167 | { |
||
1168 | // Next -len+1 bytes in the dest are replicated from next source byte. |
||
1169 | // (Interpret len as a negative 8-bit int.) |
||
1170 | len ^= 0xFF; |
||
1171 | len += 2; |
||
1172 | count += len; |
||
1173 | uchar val; |
||
1174 | s >> val; |
||
1175 | if (header.color_mode == CM_CMYK) |
||
1176 | val = 255 - val; |
||
1177 | while( len != 0 ) |
||
1178 | { |
||
1179 | if (ptr < ptr2) |
||
3814 | fschmid | 1180 | { |
1181 | if ((header.color_mode == CM_GRAYSCALE) && (component != 3)) |
||
1182 | { |
||
1183 | ptr -= component; |
||
1184 | ptr[0] = val; |
||
1185 | ptr[1] = val; |
||
1186 | ptr[2] = val; |
||
1187 | ptr += component; |
||
1188 | } |
||
3836 | fschmid | 1189 | else if ((header.color_mode == CM_INDEXED) && (component != 3)) |
1190 | { |
||
1191 | ptr -= component; |
||
1192 | int ccol = colorTable[val]; |
||
4099 | fschmid | 1193 | ptr[2] = qRed(ccol); |
3836 | fschmid | 1194 | ptr[1] = qGreen(ccol); |
4099 | fschmid | 1195 | ptr[0] = qBlue(ccol); |
3836 | fschmid | 1196 | ptr += component; |
1197 | } |
||
3814 | fschmid | 1198 | else |
1199 | *ptr = val; |
||
1200 | } |
||
3802 | fschmid | 1201 | ptr += 4; |
1202 | len--; |
||
1203 | } |
||
1204 | } |
||
1205 | else if( len == 128 ) |
||
1206 | { |
||
1207 | // No-op. |
||
1208 | } |
||
1209 | } |
||
1210 | } |
||
1211 | } |
||
1212 | s.device()->at( base+layerInfo[layer].channelLen[channel] ); |
||
1213 | return true; |
||
1214 | } |
||
1215 | |||
2004 | fschmid | 1216 | bool ScImage::loadLayerChannels( QDataStream & s, const PSDHeader & header, QValueList<PSDLayer> &layerInfo, uint layer, bool* firstLayer) |
1217 | { |
||
1218 | // Find out if the data is compressed. |
||
1219 | // Known values: |
||
1220 | // 0: no compression |
||
1221 | // 1: RLE compressed |
||
3814 | fschmid | 1222 | uint base = s.device()->at(); |
1223 | uint base2 = base; |
||
1224 | uint channel_num = layerInfo[layer].channelLen.count(); |
||
3802 | fschmid | 1225 | QImage tmpImg = QImage(); |
1226 | QImage mask = QImage(); |
||
1227 | if( !tmpImg.create( layerInfo[layer].width, layerInfo[layer].height, 32 )) |
||
3814 | fschmid | 1228 | { |
1229 | for(uint channel = 0; channel < channel_num; channel++) |
||
1230 | { |
||
1231 | base2 += layerInfo[layer].channelLen[channel]; |
||
1232 | } |
||
1233 | s.device()->at( base2 ); |
||
3802 | fschmid | 1234 | return false; |
3814 | fschmid | 1235 | } |
5010 | fschmid | 1236 | tmpImg.fill(qRgba(255, 255, 255, 0)); |
2004 | fschmid | 1237 | tmpImg.setAlphaBuffer( true ); |
1238 | channel_num = QMIN(channel_num, 39); |
||
1239 | uint components[40]; |
||
1240 | for(uint channel = 0; channel < channel_num; channel++) |
||
1241 | { |
||
1242 | switch(layerInfo[layer].channelType[channel]) |
||
1243 | { |
||
1244 | case 0: |
||
1245 | components[channel] = 2; |
||
1246 | break; |
||
1247 | case 1: |
||
1248 | components[channel] = 1; |
||
1249 | break; |
||
1250 | case 2: |
||
1251 | components[channel] = 0; |
||
1252 | break; |
||
1253 | case 3: |
||
1254 | components[channel] = 3; |
||
1255 | break; |
||
1256 | case -1: |
||
1257 | case -2: |
||
1258 | components[channel] = 3; |
||
1259 | break; |
||
1260 | } |
||
1261 | } |
||
3802 | fschmid | 1262 | if (channel_num < 4) |
2004 | fschmid | 1263 | { |
3802 | fschmid | 1264 | for (int i = 0; i < tmpImg.height(); i++) |
2004 | fschmid | 1265 | { |
3802 | fschmid | 1266 | QRgb * s = (QRgb*)(tmpImg.scanLine( i )); |
1267 | for (int j = 0; j < tmpImg.width(); j++) |
||
2004 | fschmid | 1268 | { |
3922 | fschmid | 1269 | *s++ = qRgba(255, 255, 255, 255); |
2004 | fschmid | 1270 | } |
1271 | } |
||
1272 | } |
||
3802 | fschmid | 1273 | for(uint channel = 0; channel < channel_num; channel++) |
2004 | fschmid | 1274 | { |
3802 | fschmid | 1275 | if ((layerInfo[layer].channelType[channel] < 0) && (header.color_mode == CM_CMYK)) |
3764 | fschmid | 1276 | { |
3802 | fschmid | 1277 | s.device()->at( base+layerInfo[layer].channelLen[channel] ); |
1278 | base = base+layerInfo[layer].channelLen[channel]; |
||
1279 | continue; |
||
3764 | fschmid | 1280 | } |
4268 | fschmid | 1281 | // if ((layerInfo[layer].channelType[channel] == -2) || (layerInfo[layer].channelType[channel] == -1)) |
3802 | fschmid | 1282 | if (layerInfo[layer].channelType[channel] == -2) |
2004 | fschmid | 1283 | { |
3802 | fschmid | 1284 | if (!mask.create( layerInfo[layer].maskWidth, layerInfo[layer].maskHeight, 32 )) |
4268 | fschmid | 1285 | // { |
1286 | // if (!mask.create(layerInfo[layer].width, layerInfo[layer].height, 32 )) |
||
1287 | break; |
||
1288 | // } |
||
5010 | fschmid | 1289 | mask.fill(qRgba(255, 255, 255, 0)); |
3802 | fschmid | 1290 | mask.setAlphaBuffer( true ); |
1291 | if (!loadChannel(s, header, layerInfo, layer, channel, components[channel], mask)) |
||
1292 | break; |
||
2004 | fschmid | 1293 | } |
3802 | fschmid | 1294 | else |
1295 | { |
||
1296 | if (!loadChannel(s, header, layerInfo, layer, channel, components[channel], tmpImg)) |
||
1297 | break; |
||
1298 | } |
||
2004 | fschmid | 1299 | } |
3799 | fschmid | 1300 | for(uint channel = 0; channel < channel_num; channel++) |
1301 | { |
||
1302 | base2 += layerInfo[layer].channelLen[channel]; |
||
1303 | } |
||
1304 | s.device()->at( base2 ); |
||
2004 | fschmid | 1305 | QImage tmpImg2 = tmpImg.copy(); |
1306 | if (header.color_mode == CM_CMYK) |
||
1307 | { |
||
1308 | for (int i = 0; i < tmpImg.height(); i++) |
||
1309 | { |
||
2766 | cbradney | 1310 | unsigned int *ptr = (unsigned int *) tmpImg.scanLine(i); |
1311 | unsigned int *ptr2 = (unsigned int *) tmpImg2.scanLine(i); |
||
2004 | fschmid | 1312 | unsigned char r, g, b; |
1313 | for (int j = 0; j < tmpImg.width(); j++) |
||
1314 | { |
||
2766 | cbradney | 1315 | unsigned char *p = (unsigned char *) ptr; |
1316 | unsigned char *p2 = (unsigned char *) ptr2; |
||
1317 | r = 255 - QMIN(255, p[0] + p[3]); |
||
1318 | g = 255 - QMIN(255, p[1] + p[3]); |
||
1319 | b = 255 - QMIN(255, p[2] + p[3]); |
||
1320 | p2[0] = r; |
||
1321 | p2[1] = g; |
||
1322 | p2[2] = b; |
||
1323 | p2[3] = 255; |
||
2004 | fschmid | 1324 | ptr++; |
2766 | cbradney | 1325 | ptr2++; |
2004 | fschmid | 1326 | } |
1327 | } |
||
1328 | } |
||
1329 | QImage imt; |
||
1330 | double sx = tmpImg.width() / 40.0; |
||
1331 | double sy = tmpImg.height() / 40.0; |
||
1332 | imt = sy < sx ? tmpImg2.smoothScale(qRound(tmpImg.width() / sx), qRound(tmpImg.height() / sx)) : |
||
2095 | fschmid | 1333 | tmpImg2.smoothScale(qRound(tmpImg.width() / sy), qRound(tmpImg.height() / sy)); |
2004 | fschmid | 1334 | layerInfo[layer].thumb = imt.copy(); |
1335 | bool visible = !(layerInfo[layer].flags & 2); |
||
1336 | if ((imgInfo.isRequest) && (imgInfo.RequestProps.contains(layer))) |
||
1337 | visible = imgInfo.RequestProps[layer].visible; |
||
1338 | if (visible) |
||
1339 | { |
||
3799 | fschmid | 1340 | unsigned int startSrcY, startSrcX, startDstY, startDstX; |
1341 | if (layerInfo[layer].ypos < 0) |
||
1342 | { |
||
1343 | startSrcY = abs(layerInfo[layer].ypos); |
||
1344 | startDstY = 0; |
||
1345 | } |
||
1346 | else |
||
1347 | { |
||
1348 | startSrcY = 0; |
||
1349 | startDstY = layerInfo[layer].ypos; |
||
1350 | } |
||
1351 | if (layerInfo[layer].xpos < 0) |
||
1352 | { |
||
1353 | startSrcX = abs(layerInfo[layer].xpos); |
||
1354 | startDstX = 0; |
||
1355 | } |
||
1356 | else |
||
1357 | { |
||
1358 | startSrcX = 0; |
||
1359 | startDstX = layerInfo[layer].xpos; |
||
1360 | } |
||
3802 | fschmid | 1361 | unsigned int startSrcYm, startSrcXm, startDstYm, startDstXm; |
1362 | if (layerInfo[layer].maskYpos < 0) |
||
1363 | { |
||
1364 | startSrcYm = abs(layerInfo[layer].maskYpos); |
||
1365 | startDstYm = 0; |
||
1366 | } |
||
1367 | else |
||
1368 | { |
||
1369 | startSrcYm = 0; |
||
1370 | startDstYm = layerInfo[layer].maskYpos; |
||
1371 | } |
||
1372 | if (layerInfo[layer].maskXpos < 0) |
||
1373 | { |
||
1374 | startSrcXm = abs(layerInfo[layer].maskXpos); |
||
1375 | startDstXm = 0; |
||
1376 | } |
||
1377 | else |
||
1378 | { |
||
1379 | startSrcXm = 0; |
||
1380 | startDstXm = layerInfo[layer].maskXpos; |
||
1381 | } |
||
3922 | fschmid | 1382 | QString layBlend2 = layerInfo[layer].blend; |
1383 | if ((imgInfo.isRequest) && (imgInfo.RequestProps.contains(layer))) |
||
1384 | layBlend2 = imgInfo.RequestProps[layer].blend; |
||
1385 | if ((layBlend2 == "diss") && (header.color_mode != CM_CMYK)) |
||
1386 | { |
||
1387 | for (int l = 0; l < tmpImg.height(); l++) |
||
1388 | { |
||
1389 | srand(random_table[ l % 4096]); |
||
1390 | for (int k = 0; k < tmpImg.width(); k++) |
||
1391 | { |
||
1392 | int rand_val = rand() & 0xff; |
||
1393 | QRgb pixel = tmpImg.pixel(k, l); |
||
1394 | if (rand_val > 128) |
||
1395 | tmpImg.setPixel(k, l, qRgba(qRed(pixel), qGreen(pixel), qBlue(pixel), 0)); |
||
1396 | } |
||
1397 | } |
||
1398 | } |
||
2004 | fschmid | 1399 | if (*firstLayer) |
1400 | { |
||
3799 | fschmid | 1401 | for( int yi=static_cast<int>(startSrcY); yi < QMIN(tmpImg.height(), height()); ++yi ) |
2004 | fschmid | 1402 | { |
1403 | QRgb *s = (QRgb*)(tmpImg.scanLine( yi )); |
||
3799 | fschmid | 1404 | QRgb *d = (QRgb*)(scanLine( QMIN(static_cast<int>(startDstY), height()-1) )); |
1405 | d += QMIN(static_cast<int>(startDstX), width()-1); |
||
3802 | fschmid | 1406 | s += QMIN(static_cast<int>(startSrcX), tmpImg.width()-1); |
4268 | fschmid | 1407 | /* unsigned int *srcm; |
1408 | if (!mask.isNull()) |
||
1409 | { |
||
1410 | srcm = (unsigned int *)mask.scanLine(QMIN(yi, mask.height()-1)); |
||
1411 | srcm += QMIN(static_cast<int>(startSrcXm), mask.width()-1); |
||
1412 | } */ |
||
3799 | fschmid | 1413 | for(int xi=static_cast<int>(startSrcX); xi < QMIN(tmpImg.width(), width()); ++xi ) |
2004 | fschmid | 1414 | { |
1415 | (*d) = (*s); |
||
4268 | fschmid | 1416 | /* unsigned char *sm = (unsigned char *) srcm; |
1417 | unsigned char *sc = (unsigned char *) d; |
||
1418 | unsigned char *ss = (unsigned char *) s; |
||
1419 | if (!mask.isNull()) |
||
1420 | { |
||
1421 | if (header.color_mode == CM_CMYK) |
||
1422 | { |
||
1423 | sc[0] = (sc[0] * (255 - sm[3]) + ss[0] * sm[3]) / 255; |
||
1424 | sc[1] = (sc[1] * (255 - sm[3]) + ss[1] * sm[3]) / 255; |
||
1425 | sc[2] = (sc[2] * (255 - sm[3]) + ss[2] * sm[3]) / 255; |
||
1426 | sc[3] = (sc[3] * (255 - sm[3]) + ss[3] * sm[3]) / 255; |
||
1427 | } |
||
1428 | else |
||
1429 | sc[3] = sm[3]; |
||
1430 | } |
||
1431 | srcm++; */ |
||
2004 | fschmid | 1432 | s++; |
1433 | d++; |
||
1434 | } |
||
3799 | fschmid | 1435 | startDstY++; |
2004 | fschmid | 1436 | } |
1437 | } |
||
1438 | else |
||
1439 | { |
||
3799 | fschmid | 1440 | for (int i = static_cast<int>(startSrcY); i < layerInfo[layer].height; i++) |
2004 | fschmid | 1441 | { |
3799 | fschmid | 1442 | unsigned int *dst = (unsigned int *)scanLine(QMIN(static_cast<int>(startDstY), height()-1)); |
1443 | unsigned int *src = (unsigned int *)tmpImg.scanLine(QMIN(i, tmpImg.height()-1)); |
||
1444 | dst += QMIN(static_cast<int>(startDstX), width()-1); |
||
3802 | fschmid | 1445 | src += QMIN(static_cast<int>(startSrcX), tmpImg.width()-1); |
4849 | cbradney | 1446 | unsigned int *srcm = 0; |
3802 | fschmid | 1447 | if (!mask.isNull()) |
1448 | { |
||
1449 | srcm = (unsigned int *)mask.scanLine(QMIN(i, mask.height()-1)); |
||
1450 | srcm += QMIN(static_cast<int>(startSrcXm), mask.width()-1); |
||
1451 | } |
||
3799 | fschmid | 1452 | startDstY++; |
3802 | fschmid | 1453 | unsigned char r, g, b, a, src_r, src_g, src_b, src_a, mask_a; |
4849 | cbradney | 1454 | //<<#3356 |
1455 | unsigned int maxDestX = width() - startDstX + startSrcX - 1; |
||
1456 | for (unsigned int j = startSrcX; j < QMIN(maxDestX, static_cast<unsigned int>(layerInfo[layer].width)); j++) |
||
1457 | //for (unsigned int j = startSrcX; j < static_cast<unsigned int>(layerInfo[layer].width); j++) |
||
1458 | //>>#3356 |
||
2004 | fschmid | 1459 | { |
2766 | cbradney | 1460 | unsigned char *d = (unsigned char *) dst; |
1461 | unsigned char *s = (unsigned char *) src; |
||
3802 | fschmid | 1462 | unsigned char *sm = (unsigned char *) srcm; |
2766 | cbradney | 1463 | src_r = s[0]; |
1464 | src_g = s[1]; |
||
1465 | src_b = s[2]; |
||
1466 | src_a = s[3]; |
||
3802 | fschmid | 1467 | if (!mask.isNull()) |
1468 | mask_a = sm[3]; |
||
2004 | fschmid | 1469 | QString layBlend = layerInfo[layer].blend; |
1470 | if ((imgInfo.isRequest) && (imgInfo.RequestProps.contains(layer))) |
||
1471 | layBlend = imgInfo.RequestProps[layer].blend; |
||
1472 | if (layBlend == "mul ") |
||
1473 | { |
||
1474 | if (header.color_mode == CM_CMYK) |
||
3764 | fschmid | 1475 | { |
1476 | src_r = INT_MULT(src_r, d[0]); |
||
1477 | src_g = INT_MULT(src_g, d[1]); |
||
1478 | src_b = INT_MULT(src_b, d[2]); |
||
2766 | cbradney | 1479 | src_a = INT_MULT(src_a, d[3]); |
3764 | fschmid | 1480 | } |
2004 | fschmid | 1481 | else |
3764 | fschmid | 1482 | { |
1483 | if (d[3] > 0) |
||
1484 | { |
||
1485 | src_r = INT_MULT(src_r, d[0]); |
||
1486 | src_g = INT_MULT(src_g, d[1]); |
||
1487 | src_b = INT_MULT(src_b, d[2]); |
||
1488 | } |
||
1489 | } |
||
2004 | fschmid | 1490 | } |
1491 | else if (layBlend == "scrn") |
||
1492 | { |
||
1493 | if (header.color_mode == CM_CMYK) |
||
3764 | fschmid | 1494 | { |
5734 | fschmid | 1495 | src_r = 255 - ((255-src_r) * (255-d[0]) / 128); |
1496 | src_g = 255 - ((255-src_g) * (255-d[1]) / 128); |
||
1497 | src_b = 255 - ((255-src_b) * (255-d[2]) / 128); |
||
1498 | src_a = 255 - ((255-src_a) * (255-d[3]) / 128); |
||
1499 | /* src_r = 255 - INT_MULT(255 - d[0], 255 - src_r); |
||
3764 | fschmid | 1500 | src_g = 255 - INT_MULT(255 - d[1], 255 - src_g); |
1501 | src_b = 255 - INT_MULT(255 - d[2], 255 - src_b); |
||
5734 | fschmid | 1502 | src_a = 255 - INT_MULT(255 - d[3], 255 - src_a); */ |
3764 | fschmid | 1503 | } |
2004 | fschmid | 1504 | else |
3764 | fschmid | 1505 | { |
1506 | if (d[3] > 0) |
||
1507 | { |
||
5734 | fschmid | 1508 | src_r = 255 - ((255-src_r) * (255-d[0]) / 128); |
1509 | src_g = 255 - ((255-src_g) * (255-d[1]) / 128); |
||
1510 | src_b = 255 - ((255-src_b) * (255-d[2]) / 128); |
||
1511 | /* src_r = 255 - INT_MULT(255 - d[0], 255 - src_r); |
||
3764 | fschmid | 1512 | src_g = 255 - INT_MULT(255 - d[1], 255 - src_g); |
5734 | fschmid | 1513 | src_b = 255 - INT_MULT(255 - d[2], 255 - src_b); */ |
3764 | fschmid | 1514 | } |
1515 | } |
||
2004 | fschmid | 1516 | } |
1517 | else if (layBlend == "over") |
||
1518 | { |
||
1519 | if (header.color_mode == CM_CMYK) |
||
3764 | fschmid | 1520 | { |
5734 | fschmid | 1521 | src_r = d[0] < 128 ? src_r * d[0] / 128 : 255 - ((255-src_r) * (255-d[0]) / 128); |
1522 | src_g = d[1] < 128 ? src_g * d[1] / 128 : 255 - ((255-src_g) * (255-d[1]) / 128); |
||
1523 | src_b = d[2] < 128 ? src_b * d[2] / 128 : 255 - ((255-src_b) * (255-d[2]) / 128); |
||
1524 | src_a = d[3] < 128 ? src_a * d[3] / 128 : 255 - ((255-src_a) * (255-d[3]) / 128); |
||
1525 | /* src_r = INT_MULT(d[0], d[0] + INT_MULT(2 * src_r, 255 - d[0])); |
||
3764 | fschmid | 1526 | src_g = INT_MULT(d[1], d[1] + INT_MULT(2 * src_g, 255 - d[1])); |
1527 | src_b = INT_MULT(d[2], d[2] + INT_MULT(2 * src_b, 255 - d[2])); |
||
5734 | fschmid | 1528 | src_a = INT_MULT(d[3], d[3] + INT_MULT(2 * src_a, 255 - d[3])); */ |
3764 | fschmid | 1529 | } |
2004 | fschmid | 1530 | else |
3764 | fschmid | 1531 | { |
1532 | if (d[3] > 0) |
||
1533 | { |
||
5734 | fschmid | 1534 | src_r = d[0] < 128 ? src_r * d[0] / 128 : 255 - ((255-src_r) * (255-d[0]) / 128); |
1535 | src_g = d[1] < 128 ? src_g * d[1] / 128 : 255 - ((255-src_g) * (255-d[1]) / 128); |
||
1536 | src_b = d[2] < 128 ? src_b * d[2] / 128 : 255 - ((255-src_b) * (255-d[2]) / 128); |
||
1537 | /* src_r = INT_MULT(d[0], d[0] + INT_MULT(2 * src_r, 255 - d[0])); |
||
3764 | fschmid | 1538 | src_g = INT_MULT(d[1], d[1] + INT_MULT(2 * src_g, 255 - d[1])); |
5734 | fschmid | 1539 | src_b = INT_MULT(d[2], d[2] + INT_MULT(2 * src_b, 255 - d[2])); */ |
3764 | fschmid | 1540 | } |
1541 | } |
||
2004 | fschmid | 1542 | } |
1543 | else if (layBlend == "diff") |
||
1544 | { |
||
1545 | if (header.color_mode == CM_CMYK) |
||
3764 | fschmid | 1546 | { |
1547 | src_r = d[0] > src_r ? d[0] - src_r : src_r - d[0]; |
||
1548 | src_g = d[1] > src_g ? d[1] - src_g : src_g - d[1]; |
||
1549 | src_b = d[2] > src_b ? d[2] - src_b : src_b - d[2]; |
||
2766 | cbradney | 1550 | src_a = d[3] > src_a ? d[3] - src_a : src_a - d[3]; |
3764 | fschmid | 1551 | } |
2004 | fschmid | 1552 | else |
3764 | fschmid | 1553 | { |
1554 | if (d[3] > 0) |
||
1555 | { |
||
1556 | src_r = d[0] > src_r ? d[0] - src_r : src_r - d[0]; |
||
1557 | src_g = d[1] > src_g ? d[1] - src_g : src_g - d[1]; |
||
1558 | src_b = d[2] > src_b ? d[2] - src_b : src_b - d[2]; |
||
1559 | } |
||
1560 | } |
||
2004 | fschmid | 1561 | } |
1562 | else if (layBlend == "dark") |
||
1563 | { |
||
1564 | if (header.color_mode == CM_CMYK) |
||
3764 | fschmid | 1565 | { |
1566 | src_r = d[0] < src_r ? d[0] : src_r; |
||
1567 | src_g = d[1] < src_g ? d[1] : src_g; |
||
1568 | src_b = d[2] < src_b ? d[2] : src_b; |
||
2766 | cbradney | 1569 | src_a = d[3] < src_a ? d[3] : src_a; |
3764 | fschmid | 1570 | } |
2004 | fschmid | 1571 | else |
3764 | fschmid | 1572 | { |
1573 | if (d[3] > 0) |
||
1574 | { |
||
1575 | src_r = d[0] < src_r ? d[0] : src_r; |
||
1576 | src_g = d[1] < src_g ? d[1] : src_g; |
||
1577 | src_b = d[2] < src_b ? d[2] : src_b; |
||
1578 | } |
||
1579 | } |
||
2004 | fschmid | 1580 | } |
3871 | fschmid | 1581 | else if (layBlend == "hLit") |
1582 | { |
||
1583 | if (header.color_mode == CM_CMYK) |
||
1584 | { |
||
3872 | fschmid | 1585 | src_r = src_r < 128 ? src_r * d[0] / 128 : 255 - ((255-src_r) * (255-d[0]) / 128); |
1586 | src_g = src_g < 128 ? src_g * d[1] / 128 : 255 - ((255-src_g) * (255-d[1]) / 128); |
||
1587 | src_b = src_b < 128 ? src_b * d[2] / 128 : 255 - ((255-src_b) * (255-d[2]) / 128); |
||
1588 | src_a = src_a < 128 ? src_a * d[3] / 128 : 255 - ((255-src_a) * (255-d[3]) / 128); |
||
3871 | fschmid | 1589 | } |
1590 | else |
||
1591 | { |
||
1592 | if (d[3] > 0) |
||
1593 | { |
||
3872 | fschmid | 1594 | src_r = src_r < 128 ? src_r * d[0] / 128 : 255 - ((255-src_r) * (255-d[0]) / 128); |
1595 | src_g = src_g < 128 ? src_g * d[1] / 128 : 255 - ((255-src_g) * (255-d[1]) / 128); |
||
1596 | src_b = src_b < 128 ? src_b * d[2] / 128 : 255 - ((255-src_b) * (255-d[2]) / 128); |
||
3871 | fschmid | 1597 | } |
1598 | } |
||
1599 | } |
||
3872 | fschmid | 1600 | else if (layBlend == "sLit") |
1601 | { |
||
1602 | if (header.color_mode == CM_CMYK) |
||
1603 | { |
||
1604 | src_r = src_r * d[0] / 256 + src_r * (255 - ((255-src_r)*(255-d[0]) / 256) - src_r * d[0] / 256) / 256; |
||
1605 | src_g = src_g * d[1] / 256 + src_g * (255 - ((255-src_g)*(255-d[1]) / 256) - src_g * d[1] / 256) / 256; |
||
1606 | src_b = src_b * d[2] / 256 + src_b * (255 - ((255-src_b)*(255-d[2]) / 256) - src_b * d[2] / 256) / 256; |
||
1607 | src_a = src_a * d[3] / 256 + src_a * (255 - ((255-src_a)*(255-d[3]) / 256) - src_a * d[3] / 256) / 256; |
||
1608 | } |
||
1609 | else |
||
1610 | { |
||
1611 | if (d[3] > 0) |
||
1612 | { |
||
1613 | src_r = src_r * d[0] / 256 + src_r * (255 - ((255-src_r)*(255-d[0]) / 256) - src_r * d[0] / 256) / 256; |
||
1614 | src_g = src_g * d[1] / 256 + src_g * (255 - ((255-src_g)*(255-d[1]) / 256) - src_g * d[1] / 256) / 256; |
||
1615 | src_b = src_b * d[2] / 256 + src_b * (255 - ((255-src_b)*(255-d[2]) / 256) - src_b * d[2] / 256) / 256; |
||
1616 | } |
||
1617 | } |
||
1618 | } |
||
2004 | fschmid | 1619 | else if (layBlend == "lite") |
1620 | { |
||
1621 | if (header.color_mode == CM_CMYK) |
||
3764 | fschmid | 1622 | { |
1623 | src_r = d[0] < src_r ? src_r : d[0]; |
||
1624 | src_g = d[1] < src_g ? src_g : d[1]; |
||
1625 | src_b = d[2] < src_b ? src_b : d[2]; |
||
2766 | cbradney | 1626 | src_a = d[3] < src_a ? src_a : d[3]; |
3764 | fschmid | 1627 | } |
2004 | fschmid | 1628 | else |
3764 | fschmid | 1629 | { |
1630 | if (d[3] > 0) |
||
1631 | { |
||
1632 | src_r = d[0] < src_r ? src_r : d[0]; |
||
1633 | src_g = d[1] < src_g ? src_g : d[1]; |
||
1634 | src_b = d[2] < src_b ? src_b : d[2]; |
||
1635 | } |
||
1636 | } |
||
2004 | fschmid | 1637 | } |
3898 | fschmid | 1638 | else if (layBlend == "smud") |
1639 | { |
||
1640 | if (header.color_mode == CM_CMYK) |
||
1641 | { |
||
1642 | src_r = d[0] + src_r - src_r * d[0] / 128; |
||
1643 | src_g = d[1] + src_g - src_g * d[1] / 128; |
||
1644 | src_b = d[2] + src_b - src_b * d[2] / 128; |
||
1645 | src_a = d[3] + src_a - src_a * d[3] / 128; |
||
1646 | } |
||
1647 | else |
||
1648 | { |
||
1649 | if (d[3] > 0) |
||
1650 | { |
||
1651 | src_r = d[0] + src_r - src_r * d[0] / 128; |
||
1652 | src_g = d[1] + src_g - src_g * d[1] / 128; |
||
1653 | src_b = d[2] + src_b - src_b * d[2] / 128; |
||
1654 | } |
||
1655 | } |
||
1656 | } |
||
1657 | else if (layBlend == "div ") |
||
1658 | { |
||
1659 | if (header.color_mode == CM_CMYK) |
||
1660 | { |
||
1661 | src_r = src_r == 255 ? 255 : ((d[0] * 256) / (255-src_r)) > 255 ? 255 : (d[0] * 256) / (255-src_r); |
||
1662 | src_g = src_g == 255 ? 255 : ((d[1] * 256) / (255-src_g)) > 255 ? 255 : (d[1] * 256) / (255-src_g); |
||
1663 | src_b = src_b == 255 ? 255 : ((d[2] * 256) / (255-src_b)) > 255 ? 255 : (d[2] * 256) / (255-src_b); |
||
1664 | src_a = src_a == 255 ? 255 : ((d[3] * 256) / (255-src_a)) > 255 ? 255 : (d[3] * 256) / (255-src_a); |
||
1665 | } |
||
1666 | else |
||
1667 | { |
||
1668 | if (d[3] > 0) |
||
1669 | { |
||
1670 | src_r = src_r == 255 ? 255 : ((d[0] * 256) / (255-src_r)) > 255 ? 255 : (d[0] * 256) / (255-src_r); |
||
1671 | src_g = src_g == 255 ? 255 : ((d[1] * 256) / (255-src_g)) > 255 ? 255 : (d[1] * 256) / (255-src_g); |
||
1672 | src_b = src_b == 255 ? 255 : ((d[2] * 256) / (255-src_b)) > 255 ? 255 : (d[2] * 256) / (255-src_b); |
||
1673 | } |
||
1674 | } |
||
1675 | } |
||
1676 | else if (layBlend == "idiv") |
||
1677 | { |
||
1678 | if (header.color_mode == CM_CMYK) |
||
1679 | { |
||
1680 | src_r = src_r == 0 ? 0 : (255 - (((255-d[0]) * 256) / src_r)) < 0 ? 0 : 255 - (((255-d[0]) * 256) / src_r); |
||
1681 | src_g = src_g == 0 ? 0 : (255 - (((255-d[1]) * 256) / src_g)) < 0 ? 0 : 255 - (((255-d[1]) * 256) / src_g); |
||
1682 | src_b = src_b == 0 ? 0 : (255 - (((255-d[2]) * 256) / src_b)) < 0 ? 0 : 255 - (((255-d[2]) * 256) / src_b); |
||
1683 | src_a = src_a == 0 ? 0 : (255 - (((255-d[3]) * 256) / src_a)) < 0 ? 0 : 255 - (((255-d[3]) * 256) / src_a); |
||
1684 | } |
||
1685 | else |
||
1686 | { |
||
1687 | if (d[3] > 0) |
||
1688 | { |
||
1689 | src_r = src_r == 0 ? 0 : (255 - (((255-d[0]) * 256) / src_r)) < 0 ? 0 : 255 - (((255-d[0]) * 256) / src_r); |
||
1690 | src_g = src_g == 0 ? 0 : (255 - (((255-d[1]) * 256) / src_g)) < 0 ? 0 : 255 - (((255-d[1]) * 256) / src_g); |
||
1691 | src_b = src_b == 0 ? 0 : (255 - (((255-d[2]) * 256) / src_b)) < 0 ? 0 : 255 - (((255-d[2]) * 256) / src_b); |
||
1692 | } |
||
1693 | } |
||
1694 | } |
||
2004 | fschmid | 1695 | else if (layBlend == "hue ") |
1696 | { |
||
1697 | if (header.color_mode != CM_CMYK) |
||
1698 | { |
||
3764 | fschmid | 1699 | if (d[3] > 0) |
1700 | { |
||
1701 | uchar new_r = d[0]; |
||
1702 | uchar new_g = d[1]; |
||
1703 | uchar new_b = d[2]; |
||
1704 | RGBTOHSV(src_r, src_g, src_b); |
||
1705 | RGBTOHSV(new_r, new_g, new_b); |
||
1706 | new_r = src_r; |
||
1707 | HSVTORGB(new_r, new_g, new_b); |
||
1708 | src_r = new_r; |
||
1709 | src_g = new_g; |
||
1710 | src_b = new_b; |
||
1711 | } |
||
2004 | fschmid | 1712 | } |
1713 | } |
||
1714 | else if (layBlend == "sat ") |
||
1715 | { |
||
1716 | if (header.color_mode != CM_CMYK) |
||
1717 | { |
||
3764 | fschmid | 1718 | if (d[3] > 0) |
1719 | { |
||
1720 | uchar new_r = d[0]; |
||
1721 | uchar new_g = d[1]; |
||
1722 | uchar new_b = d[2]; |
||
1723 | RGBTOHSV(src_r, src_g, src_b); |
||
1724 | RGBTOHSV(new_r, new_g, new_b); |
||
1725 | new_g = src_g; |
||
1726 | HSVTORGB(new_r, new_g, new_b); |
||
1727 | src_r = new_r; |
||
1728 | src_g = new_g; |
||
1729 | src_b = new_b; |
||
1730 | } |
||
2004 | fschmid | 1731 | } |
1732 | } |
||
1733 | else if (layBlend == "lum ") |
||
1734 | { |
||
1735 | if (header.color_mode != CM_CMYK) |
||
1736 | { |
||
3764 | fschmid | 1737 | if (d[3] > 0) |
1738 | { |
||
1739 | uchar new_r = d[0]; |
||
1740 | uchar new_g = d[1]; |
||
1741 | uchar new_b = d[2]; |
||
1742 | RGBTOHSV(src_r, src_g, src_b); |
||
1743 | RGBTOHSV(new_r, new_g, new_b); |
||
1744 | new_b = src_b; |
||
1745 | HSVTORGB(new_r, new_g, new_b); |
||
1746 | src_r = new_r; |
||
1747 | src_g = new_g; |
||
1748 | src_b = new_b; |
||
1749 | } |
||
2004 | fschmid | 1750 | } |
1751 | } |
||
1752 | else if (layBlend == "colr") |
||
1753 | { |
||
1754 | if (header.color_mode != CM_CMYK) |
||
1755 | { |
||
3764 | fschmid | 1756 | if (d[3] > 0) |
1757 | { |
||
1758 | uchar new_r = d[0]; |
||
1759 | uchar new_g = d[1]; |
||
1760 | uchar new_b = d[2]; |
||
1761 | RGBTOHLS(src_r, src_g, src_b); |
||
1762 | RGBTOHLS(new_r, new_g, new_b); |
||
1763 | new_r = src_r; |
||
1764 | new_b = src_b; |
||
1765 | HLSTORGB(new_r, new_g, new_b); |
||
1766 | src_r = new_r; |
||
1767 | src_g = new_g; |
||
1768 | src_b = new_b; |
||
1769 | } |
||
2004 | fschmid | 1770 | } |
1771 | } |
||
4849 | cbradney | 1772 | |
2004 | fschmid | 1773 | int layOpa = layerInfo[layer].opacity; |
1774 | if ((imgInfo.isRequest) && (imgInfo.RequestProps.contains(layer))) |
||
1775 | layOpa = imgInfo.RequestProps[layer].opacity; |
||
3802 | fschmid | 1776 | if (!mask.isNull()) |
1777 | layOpa = INT_MULT(mask_a, layOpa); |
||
5010 | fschmid | 1778 | if (header.color_mode != CM_CMYK) |
1779 | src_a = INT_MULT(src_a, layOpa); |
||
3764 | fschmid | 1780 | if (d[3] > 0) |
1781 | { |
||
1782 | r = (d[0] * (255 - layOpa) + src_r * layOpa) / 255; |
||
1783 | g = (d[1] * (255 - layOpa) + src_g * layOpa) / 255; |
||
1784 | b = (d[2] * (255 - layOpa) + src_b * layOpa) / 255; |
||
5010 | fschmid | 1785 | if (header.color_mode == CM_CMYK) |
3764 | fschmid | 1786 | a = (d[3] * (255 - layOpa) + src_a * layOpa) / 255; |
5010 | fschmid | 1787 | else |
1788 | { |
||
1789 | a = d[3] + INT_MULT(255 - d[3], src_a); |
||
1790 | r = (d[0] * (255 - src_a) + src_r * src_a) / 255; |
||
1791 | g = (d[1] * (255 - src_a) + src_g * src_a) / 255; |
||
1792 | b = (d[2] * (255 - src_a) + src_b * src_a) / 255; |
||
1793 | } |
||
3764 | fschmid | 1794 | } |
1795 | else |
||
1796 | { |
||
1797 | r = src_r; |
||
1798 | g = src_g; |
||
1799 | b = src_b; |
||
5010 | fschmid | 1800 | a = src_a; |
3764 | fschmid | 1801 | } |
2004 | fschmid | 1802 | if (header.color_mode == CM_CMYK) |
1803 | { |
||
2766 | cbradney | 1804 | d[0] = r; |
1805 | d[1] = g; |
||
1806 | d[2] = b; |
||
1807 | d[3] = a; |
||
2004 | fschmid | 1808 | } |
1809 | else |
||
1810 | { |
||
3802 | fschmid | 1811 | if (src_a > 0) |
2004 | fschmid | 1812 | { |
2766 | cbradney | 1813 | d[0] = r; |
1814 | d[1] = g; |
||
1815 | d[2] = b; |
||
5010 | fschmid | 1816 | d[3] = a; |
2004 | fschmid | 1817 | } |
1818 | } |
||
1819 | dst++; |
||
1820 | src++; |
||
4849 | cbradney | 1821 | if (!mask.isNull()) |
1822 | srcm++; |
||
2004 | fschmid | 1823 | } |
1824 | } |
||
1825 | } |
||
1826 | } |
||
3799 | fschmid | 1827 | *firstLayer = false; |
2004 | fschmid | 1828 | return true; |
1829 | } |
||
1830 | |||
1831 | bool ScImage::loadLayer( QDataStream & s, const PSDHeader & header ) |
||
1832 | { |
||
1833 | // Find out if the data is compressed. |
||
1834 | // Known values: |
||
1835 | // 0: no compression |
||
1836 | // 1: RLE compressed |
||
1837 | ushort compression; |
||
1838 | uchar cbyte; |
||
1839 | s >> compression; |
||
1840 | if( compression > 1 ) |
||
1841 | { |
||
1842 | // Unknown compression type. |
||
1843 | return false; |
||
1844 | } |
||
1845 | uint channel_num = header.channel_count; |
||
3364 | fschmid | 1846 | if (channel_num < 4) |
1847 | { |
||
1848 | for (int i = 0; i < height(); i++) |
||
1849 | { |
||
1850 | QRgb * s = (QRgb*)(scanLine( i )); |
||
1851 | for (int j = 0; j < width(); j++) |
||
1852 | { |
||
1853 | *s++ = qRgba(0, 0, 0, 255); |
||
1854 | } |
||
1855 | } |
||
1856 | } |
||
3836 | fschmid | 1857 | // channel_num = 4; |
2004 | fschmid | 1858 | const uint pixel_count = header.height * header.width; |
1859 | static const uint components[4] = {2, 1, 0, 3}; |
||
1860 | if( compression ) |
||
1861 | { |
||
1862 | // Skip row lengths. |
||
1863 | ushort w; |
||
1864 | for(uint i = 0; i < header.height * header.channel_count; i++) |
||
1865 | { |
||
1866 | s >> w; |
||
1867 | } |
||
1868 | // Read RLE data. |
||
1869 | for(uint channel = 0; channel < channel_num; channel++) |
||
1870 | { |
||
1871 | uchar * ptr = bits() + components[channel]; |
||
1872 | uint count = 0; |
||
1873 | while( count < pixel_count ) |
||
1874 | { |
||
1875 | uchar c; |
||
2092 | fschmid | 1876 | if(s.atEnd()) |
1877 | return false; |
||
2004 | fschmid | 1878 | s >> c; |
1879 | uint len = c; |
||
1880 | if( len < 128 ) |
||
1881 | { |
||
1882 | // Copy next len+1 bytes literally. |
||
1883 | len++; |
||
1884 | count += len; |
||
2092 | fschmid | 1885 | if ( count > pixel_count ) |
1886 | return false; |
||
2004 | fschmid | 1887 | while( len != 0 ) |
1888 | { |
||
3815 | fschmid | 1889 | s >> cbyte; |
2004 | fschmid | 1890 | if (header.color_mode == CM_CMYK) |
3815 | fschmid | 1891 | cbyte = 255 - cbyte; |
1892 | if ((header.color_mode == CM_GRAYSCALE) && (components[channel] != 3)) |
||
2004 | fschmid | 1893 | { |
3815 | fschmid | 1894 | ptr -= components[channel]; |
1895 | ptr[0] = cbyte; |
||
1896 | ptr[1] = cbyte; |
||
1897 | ptr[2] = cbyte; |
||
1898 | ptr += components[channel]; |
||
2004 | fschmid | 1899 | } |
3836 | fschmid | 1900 | else if ((header.color_mode == CM_INDEXED) && (components[channel] != 3)) |
1901 | { |
||
1902 | ptr -= components[channel]; |
||
1903 | int ccol = colorTable[cbyte]; |
||
4099 | fschmid | 1904 | ptr[2] = qRed(ccol); |
3836 | fschmid | 1905 | ptr[1] = qGreen(ccol); |
4099 | fschmid | 1906 | ptr[0] = qBlue(ccol); |
3836 | fschmid | 1907 | ptr += components[channel]; |
1908 | } |
||
2004 | fschmid | 1909 | else |
3815 | fschmid | 1910 | *ptr = cbyte; |
2004 | fschmid | 1911 | ptr += 4; |
1912 | len--; |
||
1913 | } |
||
1914 | } |
||
1915 | else if( len > 128 ) |
||
1916 | { |
||
1917 | // Next -len+1 bytes in the dest are replicated from next source byte. |
||
1918 | // (Interpret len as a negative 8-bit int.) |
||
1919 | len ^= 0xFF; |
||
1920 | len += 2; |
||
1921 | count += len; |
||
2092 | fschmid | 1922 | if(s.atEnd() || count > pixel_count) |
1923 | return false; |
||
2004 | fschmid | 1924 | uchar val; |
1925 | s >> val; |
||
1926 | if (header.color_mode == CM_CMYK) |
||
1927 | val = 255 - val; |
||
1928 | while( len != 0 ) |
||
1929 | { |
||
3815 | fschmid | 1930 | if ((header.color_mode == CM_GRAYSCALE) && (components[channel] != 3)) |
1931 | { |
||
1932 | ptr -= components[channel]; |
||
1933 | ptr[0] = val; |
||
1934 | ptr[1] = val; |
||
1935 | ptr[2] = val; |
||
1936 | ptr += components[channel]; |
||
1937 | } |
||
3836 | fschmid | 1938 | else if ((header.color_mode == CM_INDEXED) && (components[channel] != 3)) |
1939 | { |
||
1940 | <