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libcopybit : Fix calculation of copybit source rect for blit

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- Fix the copybit source rect calculation for 180 and 270
 degrees rotation. Calculate blit rects  based on the source crop.

 CRs-fixed: 337366

(cherry picked from commit 06aa97757bd7023234d3852801e05e077aaa1d2f)

Change-Id: Iba2e230acd84271fc5649e06918824752aa90670
This commit is contained in:
Prabhanjan Kandula 2012-02-14 12:24:16 +05:30 committed by Andrew Sutherland
parent 917a203129
commit 2e18b6b9b2
1 changed files with 4 additions and 4 deletions
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8
libcopybit/copybit.cpp
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@ -189,17 +189,17 @@ static void set_rects(struct copybit_context_t *dev,
if (dev->mFlags & COPYBIT_TRANSFORM_FLIP_V) {
if (dev->mFlags & COPYBIT_TRANSFORM_ROT_90) {
e->src_rect.x = e->src.width - (e->src_rect.x + e->src_rect.w) - horiz_padding;
e->src_rect.x = (src->l + src->r) - (e->src_rect.x + e->src_rect.w);
}else{
e->src_rect.y = e->src.height - (e->src_rect.y + e->src_rect.h) - vert_padding;
e->src_rect.y = (src->t + src->b) - (e->src_rect.y + e->src_rect.h);
}
}
if (dev->mFlags & COPYBIT_TRANSFORM_FLIP_H) {
if (dev->mFlags & COPYBIT_TRANSFORM_ROT_90) {
e->src_rect.y = e->src.height - (e->src_rect.y + e->src_rect.h) - vert_padding;
e->src_rect.y = (src->t + src->b) - (e->src_rect.y + e->src_rect.h);
}else{
e->src_rect.x = e->src.width - (e->src_rect.x + e->src_rect.w) - horiz_padding;
e->src_rect.x = (src->l + src->r) - (e->src_rect.x + e->src_rect.w);
}
}
}