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improve image generation code

This commit is contained in:
Peter Hartmann 2025-01-30 09:09:31 +01:00
parent 33d9e8822f
commit 3fd7a7e51b
1 changed files with 6 additions and 5 deletions
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11
src/dialogs/QskColorPicker.cpp
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@ -29,15 +29,16 @@ namespace
QColor color; QColor color;
float h, s; float h, s;
for( int x = 0; x < image->width(); x++ ) for ( int y = 0; y < image->height(); y++ )
{ {
h = static_cast< float >( x ) / image->width(); s = 1.0 - static_cast< float >( y ) / image->height();
auto line = reinterpret_cast< QRgb* >( image->scanLine( y ) );
for( int y = 0; y < image->height(); y++ ) for ( int x = 0; x < image->width(); x++ )
{ {
s = 1.0 - static_cast< float >( y ) / image->height(); h = static_cast< float >( x ) / image->width();
color.setHsvF( h, s, v ); color.setHsvF( h, s, v );
image->setPixel( x, y, color.rgb() ); *line++ = color.rgb();
} }
} }
} }