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16321 | fschmid | 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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7 | /*************************************************************************** |
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8 | * Copyright (C) 2011 by Franz Schmid * |
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9 | * franz.schmid@altmuehlnet.de * |
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10 | * * |
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11 | * This program is free software; you can redistribute it and/or modify * |
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12 | * it under the terms of the GNU General Public License as published by * |
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13 | * the Free Software Foundation; either version 2 of the License, or * |
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14 | * (at your option) any later version. * |
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15 | * * |
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16 | * This program is distributed in the hope that it will be useful, * |
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17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
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18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
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19 | * GNU General Public License for more details. * |
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20 | * * |
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21 | * You should have received a copy of the GNU General Public License * |
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22 | * along with this program; if not, write to the * |
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23 | * Free Software Foundation, Inc., * |
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18122 | mrdocs | 24 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * |
16321 | fschmid | 25 | ****************************************************************************/ |
26 | |||
17539 | jghali | 27 | #if defined(_MSC_VER) && !defined(_USE_MATH_DEFINES) |
16321 | fschmid | 28 | #define _USE_MATH_DEFINES |
29 | #endif |
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30 | #include <cmath> |
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31 | #include "smoothpath.h" |
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32 | #include "scribuscore.h" |
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33 | #include "scribusdoc.h" |
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34 | #include "scribusstructs.h" |
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35 | #include "selection.h" |
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36 | #include "util.h" |
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37 | #include <QPainterPath> |
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38 | #include <QPolygonF> |
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39 | #include <QList> |
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40 | #include "KarbonCurveFit.h" |
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41 | |||
42 | int smoothpath_getPluginAPIVersion() |
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43 | { |
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44 | return PLUGIN_API_VERSION; |
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45 | } |
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46 | |||
47 | ScPlugin* smoothpath_getPlugin() |
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48 | { |
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49 | SmoothPathPlugin* plug = new SmoothPathPlugin(); |
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50 | Q_CHECK_PTR(plug); |
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51 | return plug; |
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52 | } |
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53 | |||
54 | void smoothpath_freePlugin(ScPlugin* plugin) |
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55 | { |
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56 | SmoothPathPlugin* plug = dynamic_cast<SmoothPathPlugin*>(plugin); |
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57 | Q_ASSERT(plug); |
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58 | delete plug; |
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59 | } |
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60 | |||
61 | SmoothPathPlugin::SmoothPathPlugin() : ScActionPlugin() |
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62 | { |
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63 | // Set action info in languageChange, so we only have to do |
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64 | // it in one place. |
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65 | languageChange(); |
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66 | } |
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67 | |||
68 | SmoothPathPlugin::~SmoothPathPlugin() {}; |
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69 | |||
70 | void SmoothPathPlugin::languageChange() |
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71 | { |
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72 | // Note that we leave the unused members unset. They'll be initialised |
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73 | // with their default ctors during construction. |
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74 | // Action name |
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75 | m_actionInfo.name = "SmoothPath"; |
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76 | // Action text for menu, including accel |
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77 | m_actionInfo.text = tr("Smooth Path"); |
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78 | // Menu |
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79 | m_actionInfo.menu = "ItemPathOps"; |
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80 | m_actionInfo.parentMenu = "Item"; |
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81 | m_actionInfo.subMenuName = tr("Path Tools"); |
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82 | m_actionInfo.enabledOnStartup = false; |
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83 | m_actionInfo.notSuitableFor.append(PageItem::Line); |
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84 | m_actionInfo.notSuitableFor.append(PageItem::TextFrame); |
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85 | m_actionInfo.notSuitableFor.append(PageItem::ImageFrame); |
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86 | m_actionInfo.notSuitableFor.append(PageItem::Polygon); |
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87 | m_actionInfo.notSuitableFor.append(PageItem::PathText); |
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88 | m_actionInfo.notSuitableFor.append(PageItem::LatexFrame); |
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89 | m_actionInfo.notSuitableFor.append(PageItem::Symbol); |
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90 | m_actionInfo.notSuitableFor.append(PageItem::RegularPolygon); |
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91 | m_actionInfo.notSuitableFor.append(PageItem::Arc); |
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92 | m_actionInfo.notSuitableFor.append(PageItem::Spiral); |
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93 | m_actionInfo.forAppMode.append(modeNormal); |
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94 | m_actionInfo.needsNumObjects = 1; |
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95 | } |
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96 | |||
97 | const QString SmoothPathPlugin::fullTrName() const |
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98 | { |
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99 | return QObject::tr("SmoothPath"); |
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100 | } |
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101 | |||
102 | const ScActionPlugin::AboutData* SmoothPathPlugin::getAboutData() const |
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103 | { |
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104 | AboutData* about = new AboutData; |
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105 | Q_CHECK_PTR(about); |
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106 | about->authors = QString::fromUtf8("Franz Schmid <Franz.Schmid@altmuehlnet.de>"); |
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107 | about->shortDescription = tr("Smoothes a Path"); |
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108 | about->description = tr("Converts a Polyline made of straight Lines to a smoothed Bezier Curve."); |
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109 | // about->version |
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110 | // about->releaseDate |
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111 | // about->copyright |
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112 | about->license = "GPL"; |
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113 | return about; |
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114 | } |
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115 | |||
116 | void SmoothPathPlugin::deleteAboutData(const AboutData* about) const |
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117 | { |
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118 | Q_ASSERT(about); |
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119 | delete about; |
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120 | } |
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121 | |||
122 | bool SmoothPathPlugin::run(ScribusDoc* doc, QString) |
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123 | { |
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124 | ScribusDoc* currDoc = doc; |
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125 | if (currDoc == 0) |
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126 | currDoc = ScCore->primaryMainWindow()->doc; |
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127 | if (currDoc->m_Selection->count() > 0) |
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128 | { |
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129 | PageItem *currItem = currDoc->m_Selection->itemAt(0); |
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130 | QPainterPath pp; |
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131 | if (currItem->itemType() == PageItem::PolyLine) |
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132 | pp = currItem->PoLine.toQPainterPath(false); |
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133 | else |
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134 | pp = currItem->PoLine.toQPainterPath(true); |
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135 | QList<QPolygonF> polyList = pp.toSubpathPolygons(); |
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136 | QPainterPath result; |
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137 | for (int a = 0; a < polyList.count(); a++) |
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138 | { |
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139 | result.addPath(bezierFit(polyList[a], 5.0)); |
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140 | } |
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141 | currItem->PoLine.fromQPainterPath(result); |
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142 | currItem->ClipEdited = true; |
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143 | currItem->FrameType = 3; |
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144 | currDoc->AdjustItemSize(currItem); |
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145 | currItem->OldB2 = currItem->width(); |
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146 | currItem->OldH2 = currItem->height(); |
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147 | currItem->updateClip(); |
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148 | currDoc->regionsChanged()->update(QRectF()); |
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149 | currDoc->changed(); |
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150 | } |
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151 | return true; |
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152 | } |