78 lines
2.3 KiB
C++
78 lines
2.3 KiB
C++
|
#include "obs-proxy-style.hpp"
|
||
|
|
#include <QStyleOptionButton>
|
||
|
|
|
||
|
|
static inline uint qt_intensity(uint r, uint g, uint b)
|
||
|
|
{
|
||
|
|
/* 30% red, 59% green, 11% blue */
|
||
|
|
return (77 * r + 150 * g + 28 * b) / 255;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* The constants in the default QT styles don't dim the icons enough in
|
||
|
|
* disabled mode
|
||
|
|
*
|
||
|
|
* https://code.woboq.org/qt5/qtbase/src/widgets/styles/qcommonstyle.cpp.html#6429
|
||
|
|
*/
|
||
|
|
QPixmap OBSProxyStyle::generatedIconPixmap(QIcon::Mode iconMode,
|
||
|
|
const QPixmap &pixmap,
|
||
|
|
const QStyleOption *option) const
|
||
|
|
{
|
||
|
|
if (iconMode == QIcon::Disabled) {
|
||
|
|
QImage im =
|
||
|
|
pixmap.toImage().convertToFormat(QImage::Format_ARGB32);
|
||
|
|
|
||
|
|
/* Create a colortable based on the background
|
||
|
|
* (black -> bg -> white) */
|
||
|
|
|
||
|
|
QColor bg = option->palette.color(QPalette::Disabled,
|
||
|
|
QPalette::Window);
|
||
|
|
int red = bg.red();
|
||
|
|
int green = bg.green();
|
||
|
|
int blue = bg.blue();
|
||
|
|
uchar reds[256], greens[256], blues[256];
|
||
|
|
|
||
|
|
for (int i = 0; i < 128; ++i) {
|
||
|
|
reds[i] = uchar((red * (i << 1)) >> 8);
|
||
|
|
greens[i] = uchar((green * (i << 1)) >> 8);
|
||
|
|
blues[i] = uchar((blue * (i << 1)) >> 8);
|
||
|
|
}
|
||
|
|
for (int i = 0; i < 128; ++i) {
|
||
|
|
reds[i + 128] = uchar(qMin(red + (i << 1), 255));
|
||
|
|
greens[i + 128] = uchar(qMin(green + (i << 1), 255));
|
||
|
|
blues[i + 128] = uchar(qMin(blue + (i << 1), 255));
|
||
|
|
}
|
||
|
|
|
||
|
|
/* High intensity colors needs dark shifting in the color
|
||
|
|
* table, while low intensity colors needs light shifting. This
|
||
|
|
* is to increase the perceived contrast. */
|
||
|
|
|
||
|
|
int intensity = qt_intensity(red, green, blue);
|
||
|
|
const int factor = 191;
|
||
|
|
|
||
|
|
if ((red - factor > green && red - factor > blue) ||
|
||
|
|
(green - factor > red && green - factor > blue) ||
|
||
|
|
(blue - factor > red && blue - factor > green))
|
||
|
|
qMin(255, intensity + 20);
|
||
|
|
else if (intensity <= 128)
|
||
|
|
intensity += 100;
|
||
|
|
|
||
|
|
for (int y = 0; y < im.height(); ++y) {
|
||
|
|
QRgb *scanLine = (QRgb *)im.scanLine(y);
|
||
|
|
for (int x = 0; x < im.width(); ++x) {
|
||
|
|
QRgb pixel = *scanLine;
|
||
|
|
/* Calculate color table index, taking
|
||
|
|
* intensity adjustment and a magic offset into
|
||
|
|
* account. */
|
||
|
|
uint ci = uint(qGray(pixel) / 3 +
|
||
|
|
(130 - intensity / 3));
|
||
|
|
*scanLine = qRgba(reds[ci], greens[ci],
|
||
|
|
blues[ci], qAlpha(pixel));
|
||
|
|
++scanLine;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return QPixmap::fromImage(im);
|
||
|
|
}
|
||
|
|
|
||
|
|
return QProxyStyle::generatedIconPixmap(iconMode, pixmap, option);
|
||
|
|
}
|