Mercurial > hg > orthanc-stone

comparison Applications/Sdl/SdlCairoSurface.cpp @ 560:aaeec7be8fb7

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add support for alpha channel in CairoSurface
author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 17 Apr 2019 17:57:50 +0200
parents b70e9be013e4
children 4f2416d519b4
comparison
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559:9e61b0ac12f1 560:aaeec7be8fb7
49 { 49 {
50 if (cairoSurface_.get() == NULL || 50 if (cairoSurface_.get() == NULL ||
51 cairoSurface_->GetWidth() != width || 51 cairoSurface_->GetWidth() != width ||
52 cairoSurface_->GetHeight() != height) 52 cairoSurface_->GetHeight() != height)
53 { 53 {
54 cairoSurface_.reset(new CairoSurface(width, height)); 54 cairoSurface_.reset(new CairoSurface(width, height, false /* no alpha */));
55 55
56 // TODO Big endian? 56 // TODO Big endian?
57 static const uint32_t rmask = 0x00ff0000; 57 static const uint32_t rmask = 0x00ff0000;
58 static const uint32_t gmask = 0x0000ff00; 58 static const uint32_t gmask = 0x0000ff00;
59 static const uint32_t bmask = 0x000000ff; 59 static const uint32_t bmask = 0x000000ff;