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fixed #450: can set default pixel format other than RGBA8888

This commit is contained in:
minggo 2011-04-20 15:34:33 +08:00
parent 4ffe24fc8e
commit e5441a4fc2
3 changed files with 59 additions and 52 deletions
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1
cocos2dx/platform/CCImage.h
View File

@ -91,7 +91,6 @@ public:
unsigned char * getData() { return m_pData; }
int getDataLen() { return m_nWidth * m_nHeight; }
int getColorSpace() { return 1; }
bool hasAlpha() { return m_bHasAlpha; }
bool isPremultipliedAlpha() { return m_bPreMulti; }

107
cocos2dx/textures/CCTexture2D.cpp
View File

@ -253,6 +253,7 @@ bool CCTexture2D::initPremultipliedATextureWithImage(CCImage *image, unsigned in
unsigned char* tempData =NULL;
unsigned int* inPixel32 = NULL;
unsigned short* outPixel16 = NULL;
unsigned char* outPixel8 = NULL;
bool hasAlpha;
CCSize imageSize;
CCTexture2DPixelFormat pixelFormat;
@ -260,60 +261,34 @@ bool CCTexture2D::initPremultipliedATextureWithImage(CCImage *image, unsigned in
hasAlpha = image->hasAlpha();
size_t bpp = image->getBitsPerComponent();
int colorSpace = image->getColorSpace();
if(colorSpace)
// compute pixel format
if(hasAlpha)
{
if(hasAlpha)
{
pixelFormat = defaultAlphaPixelFormat();
}
else
{
if (bpp >= 8)
{
pixelFormat = kCCTexture2DPixelFormat_RGB888;
}
else
{
CCLOG("cocos2d: CCTexture2D: Using RGB565 texture since image has no alpha");
pixelFormat = kCCTexture2DPixelFormat_RGB565;
}
}
pixelFormat = g_defaultAlphaPixelFormat;
}
else
{
// NOTE: No colorspace means a mask image
CCLOG("cocos2d: CCTexture2D: Using A8 texture since image is a mask");
pixelFormat = kCCTexture2DPixelFormat_A8;
if (bpp >= 8)
{
pixelFormat = kCCTexture2DPixelFormat_RGB888;
}
else
{
CCLOG("cocos2d: CCTexture2D: Using RGB565 texture since image has no alpha");
pixelFormat = kCCTexture2DPixelFormat_RGB565;
}
}
imageSize = CCSizeMake((float)(image->getWidth()), (float)(image->getHeight()));
// Create the bitmap graphics context
imageSize = CCSizeMake((float)(image->getWidth()), (float)(image->getHeight()));
switch(pixelFormat) {
case kCCTexture2DPixelFormat_RGBA8888:
case kCCTexture2DPixelFormat_RGBA4444:
case kCCTexture2DPixelFormat_RGB5A1:
// colorSpace = CGColorSpaceCreateDeviceRGB();
// data = malloc(POTHigh * POTWide * 4);
// info = hasAlpha ? kCGImageAlphaPremultipliedLast : kCGImageAlphaNoneSkipLast;
// context = CGBitmapContextCreate(data, POTWide, POTHigh, 8, 4 * POTWide, colorSpace, info | kCGBitmapByteOrder32Big);
// CGColorSpaceRelease(colorSpace);
// break;
case kCCTexture2DPixelFormat_RGB565:
// colorSpace = CGColorSpaceCreateDeviceRGB();
// data = malloc(POTHigh * POTWide * 4);
// info = kCGImageAlphaNoneSkipLast;
// context = CGBitmapContextCreate(data, POTWide, POTHigh, 8, 4 * POTWide, colorSpace, info | kCGBitmapByteOrder32Big);
// CGColorSpaceRelease(colorSpace);
// break;
case kCCTexture2DPixelFormat_A8:
// data = malloc(POTHigh * POTWide);
// info = kCGImageAlphaOnly;
// context = CGBitmapContextCreate(data, POTWide, POTHigh, 8, POTWide, NULL, info);
tempData = (unsigned char*)(image->getData());
CCAssert(tempData != NULL, "NULL image data.");
@ -330,7 +305,8 @@ bool CCTexture2D::initPremultipliedATextureWithImage(CCImage *image, unsigned in
unsigned char* pPixelData = (unsigned char*) tempData;
unsigned char* pTargetData = (unsigned char*) data;
for(int y=0; y<image->getHeight(); ++y)
int imageHeight = image->getHeight();
for(int y = 0; y < imageHeight; ++y)
{
memcpy(pTargetData+POTWide*4*y, pPixelData+(image->getWidth())*4*y, (image->getWidth())*4);
}
@ -353,7 +329,8 @@ bool CCTexture2D::initPremultipliedATextureWithImage(CCImage *image, unsigned in
unsigned char* pPixelData = (unsigned char*) tempData;
unsigned char* pTargetData = (unsigned char*) data;
for(int y=0; y<image->getHeight(); ++y)
int imageHeight = image->getHeight();
for(int y = 0; y < imageHeight; ++y)
{
memcpy(pTargetData+POTWide*3*y, pPixelData+(image->getWidth())*3*y, (image->getWidth())*3);
}
@ -361,14 +338,8 @@ bool CCTexture2D::initPremultipliedATextureWithImage(CCImage *image, unsigned in
break;
default:
CCAssert(0, "Invalid pixel format");
//[NSException raise:NSInternalInconsistencyException format:@"Invalid pixel format"];
}
// CGContextClearRect(context, CCRectMake(0, 0, POTWide, POTHigh));
// CGContextTranslateCTM(context, 0, POTHigh - imageSize.height);
// CGContextDrawImage(context, CCRectMake(0, 0, CGImageGetWidth(image), CGImageGetHeight(image)), image);
// Repack the pixel data into the right format
if(pixelFormat == kCCTexture2DPixelFormat_RGB565) {
@ -377,8 +348,14 @@ bool CCTexture2D::initPremultipliedATextureWithImage(CCImage *image, unsigned in
inPixel32 = (unsigned int*)data;
outPixel16 = (unsigned short*)tempData;
for(unsigned int i = 0; i < POTWide * POTHigh; ++i, ++inPixel32)
*outPixel16++ = ((((*inPixel32 >> 0) & 0xFF) >> 3) << 11) | ((((*inPixel32 >> 8) & 0xFF) >> 2) << 5) | ((((*inPixel32 >> 16) & 0xFF) >> 3) << 0);
unsigned int length = POTWide * POTHigh;
for(unsigned int i = 0; i < length; ++i, ++inPixel32)
{
*outPixel16++ =
((((*inPixel32 >> 0) & 0xFF) >> 3) << 11) | // R
((((*inPixel32 >> 8) & 0xFF) >> 2) << 5) | // G
((((*inPixel32 >> 16) & 0xFF) >> 3) << 0); // B
}
delete [] data;
data = tempData;
@ -389,12 +366,15 @@ bool CCTexture2D::initPremultipliedATextureWithImage(CCImage *image, unsigned in
inPixel32 = (unsigned int*)data;
outPixel16 = (unsigned short*)tempData;
for(unsigned int i = 0; i < POTWide * POTHigh; ++i, ++inPixel32)
unsigned int length = POTWide * POTHigh;
for(unsigned int i = 0; i < length; ++i, ++inPixel32)
{
*outPixel16++ =
((((*inPixel32 >> 0) & 0xFF) >> 4) << 12) | // R
((((*inPixel32 >> 8) & 0xFF) >> 4) << 8) | // G
((((*inPixel32 >> 16) & 0xFF) >> 4) << 4) | // B
((((*inPixel32 >> 24) & 0xFF) >> 4) << 0); // A
}
delete [] data;
data = tempData;
@ -405,16 +385,41 @@ bool CCTexture2D::initPremultipliedATextureWithImage(CCImage *image, unsigned in
inPixel32 = (unsigned int*)data;
outPixel16 = (unsigned short*)tempData;
for(unsigned int i = 0; i < POTWide * POTHigh; ++i, ++inPixel32)
unsigned int length = POTWide * POTHigh;
for(unsigned int i = 0; i < length; ++i, ++inPixel32)
{
*outPixel16++ =
((((*inPixel32 >> 0) & 0xFF) >> 3) << 11) | // R
((((*inPixel32 >> 8) & 0xFF) >> 3) << 6) | // G
((((*inPixel32 >> 16) & 0xFF) >> 3) << 1) | // B
((((*inPixel32 >> 24) & 0xFF) >> 7) << 0); // A
}
delete []data;
data = tempData;
}
else if (pixelFormat == kCCTexture2DPixelFormat_A8)
{
// fix me, how to convert to A8
pixelFormat = kCCTexture2DPixelFormat_RGBA8888;
/*
* The code can not work, how to convert to A8?
*
tempData = new unsigned char[POTHigh * POTWide];
inPixel32 = (unsigned int*)data;
outPixel8 = tempData;
unsigned int length = POTWide * POTHigh;
for(unsigned int i = 0; i < length; ++i, ++inPixel32)
{
*outPixel8++ = (*inPixel32 >> 24) & 0xFF;
}
delete []data;
data = tempData;
*/
}
if (data)
{

3
tests/tests/PerformanceTest/PerformanceParticleTest.cpp
View File

@ -236,6 +236,9 @@ void ParticleMainScene::createParticleSystem()
particleSystem->release();
doTest();
// restore the default pixel format
CCTexture2D::setDefaultAlphaPixelFormat(kCCTexture2DPixelFormat_RGBA8888);
}
void ParticleMainScene::testNCallback(CCObject* pSender)