Differential D20423 Diff 55876 plugins/paintops/libpaintop/kis_pressure_sharpness_option.cpp

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plugins/paintops/libpaintop/kis_pressure_sharpness_option.cpp

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42void KisPressureSharpnessOption::readOptionSetting(const KisPropertiesConfigurationSP setting) 42​void KisPressureSharpnessOption::readOptionSetting(const KisPropertiesConfigurationSP setting)
43{ 43​{
44 KisCurveOption::readOptionSetting(setting); 44​ KisCurveOption::readOptionSetting(setting);
45 m_threshold = setting->getInt(SHARPNESS_THRESHOLD, 4); 45​ m_threshold = quint32(setting->getInt(SHARPNESS_THRESHOLD));
46 46​
47 // backward compatibility: test for a "sharpness factor" property 47​ // backward compatibility: test for a "sharpness factor" property
48 // and use this value if it does exist 48​ // and use this value if it does exist
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81 } 81​ }
82} 82​}
83 83​
84void KisPressureSharpnessOption::applyThreshold(KisFixedPaintDeviceSP dab) 84​void KisPressureSharpnessOption::applyThreshold(KisFixedPaintDeviceSP dab, const KisPaintInformation & info)
85{ 85​{
86 if (!isChecked()) return; 86​ if (!isChecked()) return;
87 const KoColorSpace * cs = dab->colorSpace(); 87​ const KoColorSpace * cs = dab->colorSpace();
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91 quint8* dabPointer = dab->data(); 91​ quint8* dabPointer = dab->data();
92 QRect rc = dab->bounds(); 92​ QRect rc = dab->bounds();
93 93​
94 int pixelSize = dab->pixelSize(); 94​ qreal threshold = computeSizeLikeValue(info);
95​
96​ quint32 pixelSize = dab->pixelSize();
95 int pixelCount = rc.width() * rc.height(); 97​ int pixelCount = rc.width() * rc.height();
96 98​
99​ quint32 tolerance = quint32(OPACITY_OPAQUE_U8 - (threshold * OPACITY_OPAQUE_U8));
100​
97 for (int i = 0; i < pixelCount; i++) { 101​ for (int i = 0; i < pixelCount; i++) {
98 quint8 alpha = cs->opacityU8(dabPointer); 102​ quint8 opacity = cs->opacityU8(dabPointer);
99 103​
100 if (alpha < (m_threshold * OPACITY_OPAQUE_U8) / 100) { 104​ // Check what pixel goes sharp
101 cs->setOpacity(dabPointer, OPACITY_TRANSPARENT_U8, 1); 105​ if (opacity > (tolerance) ) {
102 } ​
103 else { ​
104 cs->setOpacity(dabPointer, OPACITY_OPAQUE_U8, 1); 106​ cs->setOpacity(dabPointer, OPACITY_OPAQUE_U8, 1);
107​ } else {
108​ // keep original value if in soft range
109​ if (opacity <= (100 - m_threshold) * tolerance / 100) {
110​ cs->setOpacity(dabPointer, OPACITY_TRANSPARENT_U8, 1);
111​ }
105 } 112​ }
106 ​
107 dabPointer += pixelSize; 113​ dabPointer += pixelSize;
108 } 114​ }
109} 115​}
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