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GUI: Retain aspect ratio when scaling GUI bitmaps

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This commit is contained in:
Eugene Sandulenko 2021-03-29 23:38:14 +02:00
parent 3df69113f3
commit 9c8a0d083b
1 changed files with 9 additions and 0 deletions
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9
gui/widget.cpp
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@ -546,6 +546,15 @@ Graphics::Surface *scaleGfx(const Graphics::Surface *gfx, int w, int h) {
const Graphics::PixelFormat &requiredFormat = g_gui.theme()->getPixelFormat();
Graphics::Surface tmp;
// Maintain aspect ratio
float xRatio = 1.0f * w / gfx->w;
float yRatio = 1.0f * h / gfx->h;
if (xRatio < yRatio)
h = gfx->h * xRatio;
else
w = gfx->w * yRatio;
tmp.create(gfx->w, gfx->h, g_gui.theme()->getPixelFormat());
tmp.copyFrom(*gfx);
tmp.convertToInPlace(requiredFormat);