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Fix inverse orientation when original is not applied first.

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Change-Id: I6f1a11950c77c99800acbf08a672bc1b2310b0b5
This commit is contained in:
Michael Lentine 2014-08-19 18:14:06 -07:00
parent 1440963470
commit 7b90258c7b
1 changed files with 11 additions and 2 deletions
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9
services/surfaceflinger/Layer.cpp
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@ -348,8 +348,17 @@ FloatRect Layer::computeCrop(const sp<const DisplayDevice>& hw) const {
int winWidth = s.active.w;
int winHeight = s.active.h;
if (invTransform & NATIVE_WINDOW_TRANSFORM_ROT_90) {
// If the activeCrop has been rotate the ends are rotated but not
// the space itself so when transforming ends back we can't rely on
// a modification of the axes of rotation. To account for this we
// need to reorient the inverse rotation in terms of the current
// axes of rotation.
bool is_h_flipped = (invTransform & NATIVE_WINDOW_TRANSFORM_FLIP_H) != 0;
bool is_v_flipped = (invTransform & NATIVE_WINDOW_TRANSFORM_FLIP_V) != 0;
if (is_h_flipped == is_v_flipped) {
invTransform ^= NATIVE_WINDOW_TRANSFORM_FLIP_V |
NATIVE_WINDOW_TRANSFORM_FLIP_H;
}
winWidth = s.active.h;
winHeight = s.active.w;
}