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Merge pull request #16218 from cezheng/fix/etc_premultiplied_alpha_value 

fix CCImage premultipliedAlpha for ETC format
This commit is contained in:
minggo 2016-07-27 15:38:48 +08:00 committed by GitHub
parent 3e33b7a1ca 9903d31031
commit e6b42d486b
1 changed files with 2 additions and 13 deletions
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15
cocos/platform/CCImage.cpp
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@ -466,7 +466,7 @@ Image::Image()
, _fileType(Format::UNKNOWN)
, _renderFormat(Texture2D::PixelFormat::NONE)
, _numberOfMipmaps(0)
, _hasPremultipliedAlpha(true)
, _hasPremultipliedAlpha(false)
{
}
@ -813,7 +813,6 @@ bool Image::decodeWithWIC(const unsigned char *data, ssize_t dataLen)
{
_width = img.getWidth();
_height = img.getHeight();
_hasPremultipliedAlpha = false;
WICPixelFormatGUID format = img.getPixelFormat();
@ -963,7 +962,6 @@ bool Image::initWithJpgData(const unsigned char * data, ssize_t dataLen)
/* init image info */
_width = cinfo.output_width;
_height = cinfo.output_height;
_hasPremultipliedAlpha = false;
_dataLen = cinfo.output_width*cinfo.output_height*cinfo.output_components;
_data = static_cast<unsigned char*>(malloc(_dataLen * sizeof(unsigned char)));
@ -1129,10 +1127,6 @@ bool Image::initWithPngData(const unsigned char * data, ssize_t dataLen)
{
premultipliedAlpha();
}
else
{
_hasPremultipliedAlpha = false;
}
if (row_pointers != nullptr)
{
@ -1583,8 +1577,6 @@ bool Image::initWithPVRv3Data(const unsigned char * data, ssize_t dataLen)
{
_hasPremultipliedAlpha = true;
}
else
_hasPremultipliedAlpha = false;
// sizing
int width = CC_SWAP_INT32_LITTLE_TO_HOST(header->width);
@ -1810,9 +1802,7 @@ bool Image::initWithTGAData(tImageTGA* tgaData)
_data = tgaData->imageData;
_dataLen = _width * _height * tgaData->pixelDepth / 8;
_fileType = Format::TGA;
_hasPremultipliedAlpha = false;
ret = true;
}while(false);
@ -1847,7 +1837,6 @@ namespace
bool Image::initWithS3TCData(const unsigned char * data, ssize_t dataLen)
{
_hasPremultipliedAlpha = false;
const uint32_t FOURCC_DXT1 = makeFourCC('D', 'X', 'T', '1');
const uint32_t FOURCC_DXT3 = makeFourCC('D', 'X', 'T', '3');
const uint32_t FOURCC_DXT5 = makeFourCC('D', 'X', 'T', '5');