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Improve the cefclient transparency test by adding the ability to view individual pixel values (issue #584).

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git-svn-id: https://chromiumembedded.googlecode.com/svn/trunk@643 5089003a-bbd8-11dd-ad1f-f1f9622dbc98
This commit is contained in:
Marshall Greenblatt
2012-05-23 17:37:56 +00:00
parent 19e96f94fe
commit b5f2f5db3e
5 changed files with 84 additions and 9 deletions
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22
cef1/tests/cefclient/osrenderer.cpp
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@@ -355,6 +355,28 @@ void ClientOSRenderer::IncrementSpin(float spinDX, float spinDY) {
spin_y_ -= spinDY;
}
bool ClientOSRenderer::GetPixelValue(int x, int y, unsigned char& r,
unsigned char& g, unsigned char& b,
unsigned char& a) {
if (!view_buffer_)
return false;
ASSERT(x >= 0 && x < view_width_);
ASSERT(y >= 0 && y < view_height_);
int pixel_bytes = transparent_ ? 4 : 3;
int y_flipped = view_height_ - y;
int index = (view_width_ * y_flipped * pixel_bytes) + (x * pixel_bytes);
r = view_buffer_[index];
g = view_buffer_[index+1];
b = view_buffer_[index+2];
if (transparent_)
a = view_buffer_[index+3];
return true;
}
void ClientOSRenderer::SetBufferSize(int width, int height, bool view) {
int dst_size = width * height * (transparent_?4:3);