kotschak/qelectrotech-source-mirror
0
0
Fork 0
mirror of https://github.com/qelectrotech/qelectrotech-source-mirror.git synced 2026-10-25 00:14:15 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity

Preserve imported image colours by default in dark mode

Browse Source
This commit is contained in:
saschbe
2026-10-06 21:09:41 +02:00
parent 0708338bce
commit 8ff5fbac0c
14 changed files with 553 additions and 15 deletions
Download Patch File Download Diff File Expand all files Collapse all files
sources/qetpalette.cpp
+10 -3
View File
@@ -83,8 +83,14 @@ bool QET::Palette::isDark(const QPalette &palette)
void QET::Palette::invertLightness(QImage &image, const QColor &sheet,
const QColor &ink)
{
if (image.format() != QImage::Format_RGB32)
image.convertTo(QImage::Format_RGB32);
if (image.format() != QImage::Format_RGB32) image.convertTo(QImage::Format_RGB32);
invertLightnessLayer(image, sheet, ink);
}
void QET::Palette::invertLightnessLayer(QImage &image, const QColor &sheet, const QColor &ink)
{
if (image.format() != QImage::Format_RGB32 && image.format() != QImage::Format_ARGB32)
image.convertTo(QImage::Format_ARGB32);
// One table per channel maps the inverted value (0 = was white,
// 255 = was black) onto the sheet..ink span.
@@ -106,6 +112,7 @@ void QET::Palette::invertLightness(QImage &image, const QColor &sheet,
quint32 *line = reinterpret_cast<quint32 *>(image.scanLine(y));
for (int x = 0, width = image.width(); x < width; ++x) {
const quint32 pixel = line[x];
if ((pixel & 0xff000000u) == 0) continue;
const int red = (pixel >> 16) & 0xff;
const int green = (pixel >> 8) & 0xff;
const int blue = pixel & 0xff;
@@ -114,7 +121,7 @@ void QET::Palette::invertLightness(QImage &image, const QColor &sheet,
if (blue > highest) highest = blue;
if (blue < lowest) lowest = blue;
const int offset = 255 - highest - lowest;
line[x] = 0xff000000u
line[x] = (pixel & 0xff000000u)
| (quint32(red_of[red + offset]) << 16)
| (quint32(green_of[green + offset]) << 8)
| quint32(blue_of[blue + offset]);