1 | /* |
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2 | |
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3 | Copyright 2015 Adam Reichold |
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4 | |
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5 | This file is part of qpdfview. |
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6 | |
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7 | qpdfview is free software: you can redistribute it and/or modify |
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8 | it under the terms of the GNU General Public License as published by |
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9 | the Free Software Foundation, either version 2 of the License, or |
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10 | (at your option) any later version. |
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11 | |
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12 | qpdfview is distributed in the hope that it will be useful, |
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13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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15 | GNU General Public License for more details. |
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16 | |
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17 | You should have received a copy of the GNU General Public License |
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18 | along with qpdfview. If not, see <http://www.gnu.org/licenses/>. |
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19 | |
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20 | */ |
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21 | |
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22 | #ifndef RENDERPARAM_H |
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23 | #define RENDERPARAM_H |
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24 | |
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25 | #include <QSharedDataPointer> |
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26 | |
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27 | #include "global.h" |
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28 | |
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29 | namespace qpdfview |
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30 | { |
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31 | |
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32 | enum RenderFlag |
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33 | { |
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34 | InvertColors = 1 << 0, |
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35 | ConvertToGrayscale = 1 << 1, |
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36 | TrimMargins = 1 << 2, |
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37 | DarkenWithPaperColor = 1 << 3, |
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38 | LightenWithPaperColor = 1 << 4 |
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39 | }; |
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40 | |
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41 | Q_DECLARE_FLAGS(RenderFlags, RenderFlag) |
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42 | |
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43 | class RenderParam |
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44 | { |
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45 | public: |
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46 | RenderParam(int resolutionX = 72, int resolutionY = 72, qreal devicePixelRatio = 1.0, |
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47 | qreal scaleFactor = 1.0, Rotation rotation = RotateBy0, |
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48 | RenderFlags flags = 0) : d(new SharedData) |
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49 | { |
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50 | d->resolutionX = resolutionX; |
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51 | d->resolutionY = resolutionY; |
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52 | d->devicePixelRatio = devicePixelRatio; |
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53 | d->scaleFactor = scaleFactor; |
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54 | d->rotation = rotation; |
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55 | d->flags = flags; |
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56 | } |
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57 | |
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58 | int resolutionX() const { return d->resolutionX; } |
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59 | int resolutionY() const { return d->resolutionY; } |
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60 | void setResolution(int resolutionX, int resolutionY) |
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61 | { |
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62 | d->resolutionX = resolutionX; |
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63 | d->resolutionY = resolutionY; |
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64 | } |
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65 | |
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66 | qreal devicePixelRatio() const { return d->devicePixelRatio; } |
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67 | void setDevicePixelRatio(qreal devicePixelRatio) { d->devicePixelRatio = devicePixelRatio; } |
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68 | |
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69 | qreal scaleFactor() const { return d->scaleFactor; } |
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70 | void setScaleFactor(qreal scaleFactor) { d->scaleFactor = scaleFactor; } |
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71 | |
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72 | Rotation rotation() const { return d->rotation; } |
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73 | void setRotation(Rotation rotation) { d->rotation = rotation; } |
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74 | |
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75 | RenderFlags flags() const { return d->flags; } |
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76 | void setFlags(RenderFlags flags) { d->flags = flags; } |
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77 | void setFlag(RenderFlag flag, bool enabled = true) |
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78 | { |
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79 | if(enabled) |
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80 | { |
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81 | d->flags |= flag; |
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82 | } |
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83 | else |
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84 | { |
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85 | d->flags &= ~flag; |
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86 | } |
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87 | } |
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88 | |
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89 | bool invertColors() const { return d->flags.testFlag(InvertColors); } |
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90 | void setInvertColors(bool invertColors) { setFlag(InvertColors, invertColors); } |
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91 | |
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92 | bool convertToGrayscale() const { return d->flags.testFlag(ConvertToGrayscale); } |
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93 | void setConvertToGrayscale(bool convertToGrayscale) { setFlag(ConvertToGrayscale, convertToGrayscale); } |
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94 | |
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95 | bool trimMargins() const { return d->flags.testFlag(TrimMargins); } |
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96 | void setTrimMargins(bool trimMargins) { setFlag(TrimMargins, trimMargins); } |
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97 | |
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98 | bool darkenWithPaperColor() const { return d->flags.testFlag(DarkenWithPaperColor); } |
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99 | void setDarkenWithPaperColor(bool darkenWithPaperColor) { setFlag(DarkenWithPaperColor, darkenWithPaperColor); } |
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100 | |
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101 | bool lightenWithPaperColor() const { return d->flags.testFlag(LightenWithPaperColor); } |
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102 | void setLightenWithPaperColor(bool lightenWithPaperColor) { setFlag(LightenWithPaperColor, lightenWithPaperColor); } |
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103 | |
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104 | bool operator==(const RenderParam& other) const |
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105 | { |
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106 | if(d == other.d) |
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107 | { |
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108 | return true; |
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109 | } |
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110 | else |
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111 | { |
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112 | return d->resolutionX == other.d->resolutionX |
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113 | && d->resolutionY == other.d->resolutionY |
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114 | && qFuzzyCompare(d->devicePixelRatio, other.d->devicePixelRatio) |
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115 | && qFuzzyCompare(d->scaleFactor, other.d->scaleFactor) |
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116 | && d->rotation == other.d->rotation |
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117 | && d->flags == other.d->flags; |
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118 | } |
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119 | } |
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120 | |
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121 | bool operator!=(const RenderParam& other) const { return !operator==(other); } |
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122 | |
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123 | private: |
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124 | struct SharedData : public QSharedData |
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125 | { |
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126 | int resolutionX; |
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127 | int resolutionY; |
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128 | qreal devicePixelRatio; |
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129 | |
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130 | qreal scaleFactor; |
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131 | Rotation rotation; |
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132 | |
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133 | RenderFlags flags; |
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134 | |
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135 | }; |
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136 | |
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137 | QSharedDataPointer< SharedData > d; |
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138 | |
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139 | }; |
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140 | |
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141 | inline QDataStream& operator<<(QDataStream& stream, const RenderParam& that) |
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142 | { |
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143 | stream << that.resolutionX() |
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144 | << that.resolutionY() |
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145 | << that.devicePixelRatio() |
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146 | << that.scaleFactor() |
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147 | << that.rotation() |
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148 | << that.flags(); |
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149 | |
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150 | return stream; |
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151 | } |
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152 | |
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153 | } // qpdfview |
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154 | |
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155 | #endif // RENDERPARAM_H |
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156 | |
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