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assert in setPixelRef that the pr matches the bitmap's config

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BUG=
R=halcanary@google.com

Review URL: https://codereview.chromium.org/120063003

git-svn-id: http://skia.googlecode.com/svn/trunk@12880 2bbb7eff-a529-9590-31e7-b0007b416f81
This commit is contained in:
reed@google.com 2014-01-03 13:43:01 +00:00
parent 862020763d
commit dcea5300dc
2 changed files with 29 additions and 0 deletions
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25
src/core/SkBitmap.cpp
View File

@ -402,6 +402,31 @@ SkPixelRef* SkBitmap::setPixelRef(SkPixelRef* pr, size_t offset) {
if (NULL == pr) {
offset = 0;
}
#ifdef SK_DEBUG
else {
SkImageInfo info;
if (this->asImageInfo(&info)) {
const SkImageInfo& prInfo = pr->info();
SkASSERT(info.fWidth <= prInfo.fWidth);
SkASSERT(info.fHeight <= prInfo.fHeight);
SkASSERT(info.fColorType == prInfo.fColorType);
switch (prInfo.fAlphaType) {
case kIgnore_SkAlphaType:
SkASSERT(fAlphaType == kIgnore_SkAlphaType);
break;
case kOpaque_SkAlphaType:
case kPremul_SkAlphaType:
SkASSERT(info.fAlphaType == kOpaque_SkAlphaType ||
info.fAlphaType == kPremul_SkAlphaType);
break;
case kUnpremul_SkAlphaType:
SkASSERT(info.fAlphaType == kOpaque_SkAlphaType ||
info.fAlphaType == kUnpremul_SkAlphaType);
break;
}
}
}
#endif
if (fPixelRef != pr || fPixelRefOffset != offset) {
if (fPixelRef != pr) {

4
tests/SerializationTest.cpp
View File

@ -308,6 +308,9 @@ DEF_TEST(Serialization, reporter) {
// even when the device fails to initialize, due to its size
TestBitmapSerialization(validBitmap, invalidBitmap, true, reporter);
// we assert if the pixelref doesn't agree with the config, so skip this
// test (at least for now)
#if 0
// Create a bitmap with a pixel ref too small
SkImageInfo info;
info.fWidth = 256;
@ -328,5 +331,6 @@ DEF_TEST(Serialization, reporter) {
// The deserialization should detect the pixel ref being too small and fail
TestBitmapSerialization(validBitmap, invalidBitmap2, false, reporter);
#endif
}
}