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Fix glitch rendering background with colors w/alpha = 0

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This commit is contained in:
David Capello 2017-07-03 19:49:13 -03:00
parent ab2fdb9a20
commit 1b4ffdfbe9
1 changed files with 12 additions and 0 deletions
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12
src/render/render.cpp
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@ -855,6 +855,18 @@ void Render::renderBackground(
gfx::Rect dstBounds = area.dstBounds();
// Fix background color (make them opaque)
switch (image->pixelFormat()) {
case IMAGE_RGB:
m_bgColor1 |= doc::rgba_a_mask;
m_bgColor2 |= doc::rgba_a_mask;
break;
case IMAGE_GRAYSCALE:
m_bgColor1 |= doc::graya_a_mask;
m_bgColor2 |= doc::graya_a_mask;
break;
}
// Draw checked background (tile by tile)
int u_start = u;
for (y=y_start-tile_h; y<image->height()+tile_h; y+=tile_h) {