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Add q_color_modulate for modulating the color of QIcons

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AdenKoperczak 2024-11-28 10:49:27 -05:00
parent c73698619d
commit daa5bd24dc
3 changed files with 80 additions and 0 deletions
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2
scwx-qt/scwx-qt.cmake
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@ -357,6 +357,7 @@ set(HDR_UTIL source/scwx/qt/util/color.hpp
source/scwx/qt/util/network.hpp
source/scwx/qt/util/streams.hpp
source/scwx/qt/util/texture_atlas.hpp
source/scwx/qt/util/q_color_modulate.hpp
source/scwx/qt/util/q_file_buffer.hpp
source/scwx/qt/util/q_file_input_stream.hpp
source/scwx/qt/util/time.hpp
@ -369,6 +370,7 @@ set(SRC_UTIL source/scwx/qt/util/color.cpp
source/scwx/qt/util/maplibre.cpp
source/scwx/qt/util/network.cpp
source/scwx/qt/util/texture_atlas.cpp
source/scwx/qt/util/q_color_modulate.cpp
source/scwx/qt/util/q_file_buffer.cpp
source/scwx/qt/util/q_file_input_stream.cpp
source/scwx/qt/util/time.cpp

56
scwx-qt/source/scwx/qt/util/q_color_modulate.cpp Normal file
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@ -0,0 +1,56 @@
#include <scwx/qt/util/q_color_modulate.hpp>
#include <QColor>
#include <QImage>
#include <QIcon>
#include <QPixmap>
#include <QSize>
namespace scwx
{
namespace qt
{
namespace util
{
void modulateColors_(QImage& image, const QColor& color)
{
for (int y = 0; y < image.height(); ++y)
{
QRgb* line = reinterpret_cast<QRgb*>(image.scanLine(y));
for (int x = 0; x < image.width(); ++x)
{
QRgb& rgb = line[x];
int red = qRed(rgb) * color.redF();
int green = qGreen(rgb) * color.greenF();
int blue = qBlue(rgb) * color.blueF();
int alpha = qAlpha(rgb) * color.alphaF();
rgb = qRgba(red, green, blue, alpha);
}
}
}
QImage modulateColors(const QImage& image, const QColor& color)
{
QImage copy = image.copy();
modulateColors_(copy, color);
return copy;
}
QPixmap modulateColors(const QPixmap& pixmap, const QColor& color)
{
QImage image = pixmap.toImage();
modulateColors_(image, color);
return QPixmap::fromImage(image);
}
QIcon modulateColors(const QIcon& icon, const QSize& size, const QColor& color)
{
QPixmap pixmap = modulateColors(icon.pixmap(size), color);
return QIcon(pixmap);
}
} // namespace util
} // namespace qt
} // namespace scwx

22
scwx-qt/source/scwx/qt/util/q_color_modulate.hpp Normal file
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@ -0,0 +1,22 @@
#pragma once
#include <QColor>
#include <QImage>
#include <QIcon>
#include <QPixmap>
#include <QSize>
namespace scwx
{
namespace qt
{
namespace util
{
QImage modulateColors(const QImage& image, const QColor& color);
QPixmap modulateColors(const QPixmap& pixmap, const QColor& color);
QIcon modulateColors(const QIcon& icon, const QSize& size, const QColor& color);
} // namespace util
} // namespace qt
} // namespace scwx