int CPicture::ConvertFile(const CStdString &srcFile, const CStdString &destFile, float rotateDegrees, int width, int height, unsigned int quality, bool mirror)
{
DllImageLib dll;
if (!dll.Load()) return false;
int ret = dll.ConvertFile(srcFile.c_str(), destFile.c_str(), rotateDegrees, width, height, quality, mirror);
if (ret)
{
CLog::Log(LOGERROR, "%s: Error %i converting image %s", __FUNCTION__, ret, srcFile.c_str());
return ret;
}
return ret;
}
bool CPicture::CreateThumbnailFromMemory(const unsigned char* buffer, int bufSize, const CStdString& extension, const CStdString& thumbFile)
{
CLog::Log(LOGINFO, "Creating album thumb from memory: %s", thumbFile.c_str());
DllImageLib dll;
if (!dll.Load()) return false;
if (!dll.CreateThumbnailFromMemory((BYTE *)buffer, bufSize, extension.c_str(), thumbFile.c_str(), g_advancedSettings.m_thumbSize, g_advancedSettings.m_thumbSize))
{
CLog::Log(LOGERROR, "%s: exception with fileType: %s", __FUNCTION__, extension.c_str());
return false;
}
return true;
}
bool CPicture::CreateThumbnailFromSurface(const unsigned char *buffer, int width, int height, int stride, const CStdString &thumbFile)
{
CLog::Log(LOGDEBUG, "cached image '%s' size %dx%d", thumbFile.c_str(), width, height);
if (URIUtils::GetExtension(thumbFile).Equals(".jpg"))
{
CJpegIO jpegImage;
if (jpegImage.CreateThumbnailFromSurface((BYTE *)buffer, width, height, XB_FMT_A8R8G8B8, stride, thumbFile.c_str()))
return true;
}
DllImageLib dll;
if (!buffer || !dll.Load()) return false;
return dll.CreateThumbnailFromSurface((BYTE *)buffer, width, height, stride, thumbFile.c_str());
}
void CPicture::CreateFolderThumb(const CStdString *thumbs, const CStdString &folderThumb)
{ // we want to mold the thumbs together into one single one
const char *szThumbs[4];
for (int i=0; i < 4; i++)
szThumbs[i] = thumbs[i].c_str();
DllImageLib dll;
if (!dll.Load()) return;
if (!dll.CreateFolderThumbnail(szThumbs, folderThumb.c_str(), g_advancedSettings.m_thumbSize, g_advancedSettings.m_thumbSize))
{
CLog::Log(LOGERROR, "%s failed for folder thumb %s", __FUNCTION__, folderThumb.c_str());
}
}
bool CBaseTexture::LoadFromFileInMem(unsigned char* buffer, size_t size, const std::string& mimeType, unsigned int maxWidth, unsigned int maxHeight)
{
if (!buffer || !size)
return false;
//ImageLib is sooo sloow for jpegs. Try our own decoder first. If it fails, fall back to ImageLib.
if (mimeType == "image/jpeg")
{
CJpegIO jpegfile;
if (jpegfile.Read(buffer, size, maxWidth, maxHeight))
{
if (jpegfile.Width() > 0 && jpegfile.Height() > 0)
{
Allocate(jpegfile.Width(), jpegfile.Height(), XB_FMT_A8R8G8B8);
if (jpegfile.Decode(m_pixels, GetPitch(), XB_FMT_A8R8G8B8))
{
m_hasAlpha=false;
ClampToEdge();
return true;
}
}
}
}
DllImageLib dll;
if (!dll.Load())
return false;
ImageInfo image;
memset(&image, 0, sizeof(image));
unsigned int width = maxWidth ? std::min(maxWidth, g_Windowing.GetMaxTextureSize()) : g_Windowing.GetMaxTextureSize();
unsigned int height = maxHeight ? std::min(maxHeight, g_Windowing.GetMaxTextureSize()) : g_Windowing.GetMaxTextureSize();
CStdString ext = mimeType;
int nPos = ext.Find('/');
if (nPos > -1)
ext.Delete(0, nPos + 1);
if(!dll.LoadImageFromMemory(buffer, size, ext.c_str(), width, height, &image))
{
CLog::Log(LOGERROR, "Texture manager unable to load image from memory");
return false;
}
LoadFromImage(image);
dll.ReleaseImage(&image);
return true;
}
bool CPicture::CacheImage(const CStdString& sourceUrl, const CStdString& destFile, int width, int height)
{
if (width > 0 && height > 0)
{
CLog::Log(LOGINFO, "Caching image from: %s to %s with width %i and height %i", sourceUrl.c_str(), destFile.c_str(), width, height);
DllImageLib dll;
if (!dll.Load()) return false;
if (URIUtils::IsInternetStream(sourceUrl, true))
{
CCurlFile http;
CStdString data;
if (http.Get(sourceUrl, data))
{
if (!dll.CreateThumbnailFromMemory((BYTE *)data.c_str(), data.GetLength(), URIUtils::GetExtension(sourceUrl).c_str(), destFile.c_str(), width, height))
{
CLog::Log(LOGERROR, "%s Unable to create new image %s from image %s", __FUNCTION__, destFile.c_str(), sourceUrl.c_str());
return false;
}
return true;
}
return false;
}
if (!dll.CreateThumbnail(sourceUrl.c_str(), destFile.c_str(), width, height, g_guiSettings.GetBool("pictures.useexifrotation")))
{
CLog::Log(LOGERROR, "%s Unable to create new image %s from image %s", __FUNCTION__, destFile.c_str(), sourceUrl.c_str());
return false;
}
return true;
}
else
{
CLog::Log(LOGINFO, "Caching image from: %s to %s", sourceUrl.c_str(), destFile.c_str());
return CFile::Cache(sourceUrl, destFile);
}
}
bool CBaseTexture::LoadFromFile(const CStdString& texturePath, unsigned int maxWidth, unsigned int maxHeight,
bool autoRotate, unsigned int *originalWidth, unsigned int *originalHeight)
{
if (URIUtils::GetExtension(texturePath).Equals(".dds"))
{ // special case for DDS images
CDDSImage image;
if (image.ReadFile(texturePath))
{
Update(image.GetWidth(), image.GetHeight(), 0, image.GetFormat(), image.GetData(), false);
return true;
}
return false;
}
#if defined(__APPLE__) && defined(__arm__)
XFILE::CFile file;
UInt8 *imageBuff = NULL;
int64_t imageBuffSize = 0;
//open path and read data to buffer
//this handles advancedsettings.xml pathsubstitution
//and resulting networking
if (file.Open(texturePath, 0))
{
imageBuffSize =file.GetLength();
imageBuff = new UInt8[imageBuffSize];
imageBuffSize = file.Read(imageBuff, imageBuffSize);
file.Close();
}
else
{
CLog::Log(LOGERROR, "Texture manager unable to open file %s", texturePath.c_str());
return false;
}
if (imageBuffSize <= 0)
{
CLog::Log(LOGERROR, "Texture manager read texture file failed.");
delete [] imageBuff;
return false;
}
// create the image from buffer;
CGImageSourceRef imageSource;
// create a CFDataRef using CFDataCreateWithBytesNoCopy and kCFAllocatorNull for deallocator.
// this allows us to do a nocopy reference and we handle the free of imageBuff
CFDataRef cfdata = CFDataCreateWithBytesNoCopy(NULL, imageBuff, imageBuffSize, kCFAllocatorNull);
imageSource = CGImageSourceCreateWithData(cfdata, NULL);
if (imageSource == nil)
{
CLog::Log(LOGERROR, "Texture manager unable to load file: %s", CSpecialProtocol::TranslatePath(texturePath).c_str());
CFRelease(cfdata);
delete [] imageBuff;
return false;
}
CGImageRef image = CGImageSourceCreateImageAtIndex(imageSource, 0, NULL);
int rotate = 0;
if (autoRotate)
{ // get the orientation of the image for displaying it correctly
CFDictionaryRef imagePropertiesDictionary = CGImageSourceCopyPropertiesAtIndex(imageSource,0, NULL);
if (imagePropertiesDictionary != nil)
{
CFNumberRef orientation = (CFNumberRef)CFDictionaryGetValue(imagePropertiesDictionary, kCGImagePropertyOrientation);
if (orientation != nil)
{
int value = 0;
CFNumberGetValue(orientation, kCFNumberIntType, &value);
if (value)
rotate = value - 1;
}
CFRelease(imagePropertiesDictionary);
}
}
CFRelease(imageSource);
unsigned int width = CGImageGetWidth(image);
unsigned int height = CGImageGetHeight(image);
m_hasAlpha = (CGImageGetAlphaInfo(image) != kCGImageAlphaNone);
if (originalWidth)
*originalWidth = width;
if (originalHeight)
*originalHeight = height;
// check texture size limits and limit to screen size - preserving aspectratio of image
if ( width > g_Windowing.GetMaxTextureSize() || height > g_Windowing.GetMaxTextureSize() )
{
float aspect;
if ( width > height )
{
aspect = (float)width / (float)height;
width = g_Windowing.GetWidth();
height = (float)width / (float)aspect;
}
else
{
aspect = (float)height / (float)width;
height = g_Windowing.GetHeight();
width = (float)height / (float)aspect;
}
CLog::Log(LOGDEBUG, "Texture manager texture clamp:new texture size: %i x %i", width, height);
}
// use RGBA to skip swizzling
Allocate(width, height, XB_FMT_RGBA8);
m_orientation = rotate;
CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB();
// hw convert jmpeg to RGBA
CGContextRef context = CGBitmapContextCreate(m_pixels,
width, height, 8, GetPitch(), colorSpace,
kCGImageAlphaPremultipliedLast | kCGBitmapByteOrder32Big);
CGColorSpaceRelease(colorSpace);
// Flip so that it isn't upside-down
//CGContextTranslateCTM(context, 0, height);
//CGContextScaleCTM(context, 1.0f, -1.0f);
#if MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_5
CGContextClearRect(context, CGRectMake(0, 0, width, height));
#else
#if MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_5
// (just a way of checking whether we're running in 10.5 or later)
if (CGContextDrawLinearGradient == 0)
CGContextClearRect(context, CGRectMake(0, 0, width, height));
else
#endif
CGContextSetBlendMode(context, kCGBlendModeCopy);
#endif
//CGContextSetBlendMode(context, kCGBlendModeCopy);
CGContextDrawImage(context, CGRectMake(0, 0, width, height), image);
CGContextRelease(context);
CGImageRelease(image);
CFRelease(cfdata);
delete [] imageBuff;
#else
DllImageLib dll;
if (!dll.Load())
return false;
ImageInfo image;
memset(&image, 0, sizeof(image));
unsigned int width = maxWidth ? std::min(maxWidth, g_Windowing.GetMaxTextureSize()) : g_Windowing.GetMaxTextureSize();
unsigned int height = maxHeight ? std::min(maxHeight, g_Windowing.GetMaxTextureSize()) : g_Windowing.GetMaxTextureSize();
if(!dll.LoadImage(texturePath.c_str(), width, height, &image))
{
CLog::Log(LOGERROR, "Texture manager unable to load file: %s", texturePath.c_str());
return false;
}
m_hasAlpha = NULL != image.alpha;
Allocate(image.width, image.height, XB_FMT_A8R8G8B8);
if (autoRotate && image.exifInfo.Orientation)
m_orientation = image.exifInfo.Orientation - 1;
if (originalWidth)
*originalWidth = image.originalwidth;
if (originalHeight)
*originalHeight = image.originalheight;
unsigned int dstPitch = GetPitch();
unsigned int srcPitch = ((image.width + 1)* 3 / 4) * 4; // bitmap row length is aligned to 4 bytes
unsigned char *dst = m_pixels;
unsigned char *src = image.texture + (m_imageHeight - 1) * srcPitch;
for (unsigned int y = 0; y < m_imageHeight; y++)
{
unsigned char *dst2 = dst;
unsigned char *src2 = src;
for (unsigned int x = 0; x < m_imageWidth; x++, dst2 += 4, src2 += 3)
{
dst2[0] = src2[0];
dst2[1] = src2[1];
dst2[2] = src2[2];
dst2[3] = 0xff;
}
src -= srcPitch;
dst += dstPitch;
}
if(image.alpha)
{
dst = m_pixels + 3;
src = image.alpha + (m_imageHeight - 1) * m_imageWidth;
for (unsigned int y = 0; y < m_imageHeight; y++)
{
unsigned char *dst2 = dst;
unsigned char *src2 = src;
for (unsigned int x = 0; x < m_imageWidth; x++, dst2+=4, src2++)
*dst2 = *src2;
src -= m_imageWidth;
dst += dstPitch;
}
}
dll.ReleaseImage(&image);
#endif
ClampToEdge();
return true;
}
bool CPicture::CreateThumbnailFromSurface(const unsigned char *buffer, int width, int height, int stride, const CStdString &thumbFile)
{
DllImageLib dll;
if (!buffer || !dll.Load()) return false;
return dll.CreateThumbnailFromSurface((BYTE *)buffer, width, height, stride, thumbFile.c_str());
}
bool CBaseTexture::LoadFromFile(const CStdString& texturePath, unsigned int maxWidth, unsigned int maxHeight,
bool autoRotate, unsigned int *originalWidth, unsigned int *originalHeight)
{
if (URIUtils::GetExtension(texturePath).Equals(".dds"))
{ // special case for DDS images
CDDSImage image;
if (image.ReadFile(texturePath))
{
Update(image.GetWidth(), image.GetHeight(), 0, image.GetFormat(), image.GetData(), false);
return true;
}
return false;
}
//ImageLib is sooo sloow for jpegs. Try our own decoder first. If it fails, fall back to ImageLib.
if (URIUtils::GetExtension(texturePath).Equals(".jpg") || URIUtils::GetExtension(texturePath).Equals(".tbn"))
{
CJpegIO jpegfile;
if (jpegfile.Open(texturePath, maxWidth, maxHeight))
{
if (jpegfile.Width() > 0 && jpegfile.Height() > 0)
{
Allocate(jpegfile.Width(), jpegfile.Height(), XB_FMT_A8R8G8B8);
if (jpegfile.Decode(m_pixels, GetPitch(), XB_FMT_A8R8G8B8))
{
if (autoRotate && jpegfile.Orientation())
m_orientation = jpegfile.Orientation() - 1;
m_hasAlpha=false;
ClampToEdge();
return true;
}
}
}
}
DllImageLib dll;
if (!dll.Load())
return false;
ImageInfo image;
memset(&image, 0, sizeof(image));
unsigned int width = maxWidth ? std::min(maxWidth, g_Windowing.GetMaxTextureSize()) : g_Windowing.GetMaxTextureSize();
unsigned int height = maxHeight ? std::min(maxHeight, g_Windowing.GetMaxTextureSize()) : g_Windowing.GetMaxTextureSize();
if(!dll.LoadImage(texturePath.c_str(), width, height, &image))
{
CLog::Log(LOGERROR, "Texture manager unable to load file: %s", texturePath.c_str());
return false;
}
m_hasAlpha = NULL != image.alpha;
Allocate(image.width, image.height, XB_FMT_A8R8G8B8);
if (autoRotate && image.exifInfo.Orientation)
m_orientation = image.exifInfo.Orientation - 1;
if (originalWidth)
*originalWidth = image.originalwidth;
if (originalHeight)
*originalHeight = image.originalheight;
unsigned int dstPitch = GetPitch();
unsigned int srcPitch = ((image.width + 1)* 3 / 4) * 4; // bitmap row length is aligned to 4 bytes
unsigned char *dst = m_pixels;
unsigned char *src = image.texture + (m_imageHeight - 1) * srcPitch;
for (unsigned int y = 0; y < m_imageHeight; y++)
{
unsigned char *dst2 = dst;
unsigned char *src2 = src;
for (unsigned int x = 0; x < m_imageWidth; x++, dst2 += 4, src2 += 3)
{
dst2[0] = src2[0];
dst2[1] = src2[1];
dst2[2] = src2[2];
dst2[3] = 0xff;
}
src -= srcPitch;
dst += dstPitch;
}
if(image.alpha)
{
dst = m_pixels + 3;
src = image.alpha + (m_imageHeight - 1) * m_imageWidth;
for (unsigned int y = 0; y < m_imageHeight; y++)
{
unsigned char *dst2 = dst;
unsigned char *src2 = src;
for (unsigned int x = 0; x < m_imageWidth; x++, dst2+=4, src2++)
*dst2 = *src2;
src -= m_imageWidth;
dst += dstPitch;
}
}
dll.ReleaseImage(&image);
ClampToEdge();
return true;
}
bool CBaseTexture::LoadFromFileInternal(const CStdString& texturePath, unsigned int maxWidth, unsigned int maxHeight, bool autoRotate)
{
#if defined(HAS_OMXPLAYER)
if (URIUtils::GetExtension(texturePath).Equals(".jpg") ||
URIUtils::GetExtension(texturePath).Equals(".tbn")
/*|| URIUtils::GetExtension(texturePath).Equals(".png")*/)
{
COMXImage omx_image;
if(omx_image.ReadFile(texturePath))
{
// TODO: we only decode as half width and height. this is a workaround for the PI memory limitation
if(omx_image.Decode(omx_image.GetWidth() / 2, omx_image.GetHeight() / 2))
{
Allocate(omx_image.GetDecodedWidth(), omx_image.GetDecodedHeight(), XB_FMT_A8R8G8B8);
if(!m_pixels)
{
CLog::Log(LOGERROR, "Texture manager (OMX) out of memory");
omx_image.Close();
return false;
}
m_originalWidth = omx_image.GetOriginalWidth();
m_originalHeight = omx_image.GetOriginalHeight();
m_hasAlpha = omx_image.IsAlpha();
if (autoRotate && omx_image.GetOrientation())
m_orientation = omx_image.GetOrientation() - 1;
if(omx_image.GetDecodedData())
{
int size = ( ( GetPitch() * GetRows() ) > omx_image.GetDecodedSize() ) ?
omx_image.GetDecodedSize() : ( GetPitch() * GetRows() );
memcpy(m_pixels, (unsigned char *)omx_image.GetDecodedData(), size);
}
omx_image.Close();
return true;
}
else
{
omx_image.Close();
}
}
}
#endif
if (URIUtils::GetExtension(texturePath).Equals(".dds"))
{ // special case for DDS images
CDDSImage image;
if (image.ReadFile(texturePath))
{
Update(image.GetWidth(), image.GetHeight(), 0, image.GetFormat(), image.GetData(), false);
return true;
}
return false;
}
//ImageLib is sooo sloow for jpegs. Try our own decoder first. If it fails, fall back to ImageLib.
if (URIUtils::GetExtension(texturePath).Equals(".jpg") || URIUtils::GetExtension(texturePath).Equals(".tbn"))
{
CJpegIO jpegfile;
if (jpegfile.Open(texturePath, maxWidth, maxHeight))
{
if (jpegfile.Width() > 0 && jpegfile.Height() > 0)
{
Allocate(jpegfile.Width(), jpegfile.Height(), XB_FMT_A8R8G8B8);
if (jpegfile.Decode(m_pixels, GetPitch(), XB_FMT_A8R8G8B8))
{
if (autoRotate && jpegfile.Orientation())
m_orientation = jpegfile.Orientation() - 1;
m_hasAlpha=false;
ClampToEdge();
return true;
}
}
}
CLog::Log(LOGDEBUG, "%s - Load of %s failed. Falling back to ImageLib", __FUNCTION__, texturePath.c_str());
}
DllImageLib dll;
if (!dll.Load())
return false;
ImageInfo image;
memset(&image, 0, sizeof(image));
unsigned int width = maxWidth ? std::min(maxWidth, g_Windowing.GetMaxTextureSize()) : g_Windowing.GetMaxTextureSize();
unsigned int height = maxHeight ? std::min(maxHeight, g_Windowing.GetMaxTextureSize()) : g_Windowing.GetMaxTextureSize();
if(!dll.LoadImage(texturePath.c_str(), width, height, &image))
{
CLog::Log(LOGERROR, "Texture manager unable to load file: %s", texturePath.c_str());
return false;
}
LoadFromImage(image, autoRotate);
dll.ReleaseImage(&image);
return true;
}
bool CBaseTexture::LoadFromFile(const CStdString& texturePath, unsigned int maxWidth, unsigned int maxHeight,
bool autoRotate, unsigned int *originalWidth, unsigned int *originalHeight)
{
if (URIUtils::GetExtension(texturePath).Equals(".dds"))
{ // special case for DDS images
CDDSImage image;
if (image.ReadFile(texturePath))
{
Update(image.GetWidth(), image.GetHeight(), 0, image.GetFormat(), image.GetData(), false);
return true;
}
return false;
}
//ImageLib is sooo sloow for jpegs. Try our own decoder first. If it fails, fall back to ImageLib.
if (URIUtils::GetExtension(texturePath).Equals(".jpg") || URIUtils::GetExtension(texturePath).Equals(".tbn"))
{
CJpegIO jpegfile;
if (jpegfile.Open(texturePath, maxWidth, maxHeight))
{
if (jpegfile.Width() > 0 && jpegfile.Height() > 0)
{
Allocate(jpegfile.Width(), jpegfile.Height(), XB_FMT_A8R8G8B8);
if (jpegfile.Decode(m_pixels, GetPitch(), XB_FMT_A8R8G8B8))
{
if (autoRotate && jpegfile.Orientation())
m_orientation = jpegfile.Orientation() - 1;
m_hasAlpha=false;
ClampToEdge();
return true;
}
}
}
CLog::Log(LOGDEBUG, "%s - Load of %s failed. Falling back to ImageLib", __FUNCTION__, texturePath.c_str());
}
DllImageLib dll;
if (!dll.Load())
return false;
ImageInfo image;
memset(&image, 0, sizeof(image));
unsigned int width = maxWidth ? std::min(maxWidth, g_Windowing.GetMaxTextureSize()) : g_Windowing.GetMaxTextureSize();
unsigned int height = maxHeight ? std::min(maxHeight, g_Windowing.GetMaxTextureSize()) : g_Windowing.GetMaxTextureSize();
if(!dll.LoadImage(texturePath.c_str(), width, height, &image))
{
CLog::Log(LOGERROR, "Texture manager unable to load file: %s", texturePath.c_str());
return false;
}
if (originalWidth)
*originalWidth = image.originalwidth;
if (originalHeight)
*originalHeight = image.originalheight;
LoadFromImage(image, autoRotate);
dll.ReleaseImage(&image);
return true;
}
bool CBaseTexture::LoadFromFile(const CStdString& texturePath, unsigned int maxWidth, unsigned int maxHeight,
bool autoRotate, unsigned int *originalWidth, unsigned int *originalHeight,
unsigned int dstWidth, unsigned int dstHeight)
{
//Quick and dirty check if the file is DDS file...
CFile file;
if (!file.Open(texturePath))
{
CLog::Log(LOGERROR, "%s - Error opening texture file: %s", __FUNCTION__, texturePath.c_str());
return false;
}
// read the header
uint32_t magic;
if (file.Read(&magic, 4) != 4)
{
CLog::Log(LOGERROR, "%s - Can't read signature from file: %s", __FUNCTION__, texturePath.c_str());
return false;
}
if (strncmp((const char *)&magic, "DDS ", 4) == 0 || CUtil::GetExtension(texturePath).Equals(".dds"))
{ // special case for DDS images
CDDSImage image;
CLog::Log(LOGDEBUG, "%s - loading dds file: %s", __FUNCTION__, texturePath.c_str());
image.ReadFile(texturePath);
Update(image.GetWidth(), image.GetHeight(), 0, image.GetFormat(), image.GetData(), false);
return true;
}
DllImageLib dll;
if (!dll.Load())
return false;
ImageInfo image;
memset(&image, 0, sizeof(image));
//image.width = dstWidth;
//image.height = dstHeight;
unsigned int width = maxWidth ? std::min(maxWidth, g_Windowing.GetMaxTextureSize()) : g_Windowing.GetMaxTextureSize();
unsigned int height = maxHeight ? std::min(maxHeight, g_Windowing.GetMaxTextureSize()) : g_Windowing.GetMaxTextureSize();
if(!dll.LoadImage(texturePath.c_str(), width, height, &image))
{
CLog::Log(LOGERROR, "Texture manager unable to load file: %s", texturePath.c_str());
return false;
}
Allocate(image.width, image.height, XB_FMT_B8G8R8A8);
if (autoRotate && image.exifInfo.Orientation)
m_orientation = image.exifInfo.Orientation - 1;
if (originalWidth)
*originalWidth = image.originalwidth;
if (originalHeight)
*originalHeight = image.originalheight;
unsigned int destPitch = GetPitch();
unsigned int srcPitch = ((image.width + 1)* 3 / 4) * 4; // bitmap row length is aligned to 4 bytes
// test background color for alpha blending
long nBkgndIndex;
RGBQUAD nBkgndColor;
dll.GetBackgroundColor(&image, &nBkgndColor, &nBkgndIndex);
for (unsigned int y = 0; y < m_imageHeight; y++)
{
unsigned char *dst = m_pixels + y * destPitch;
unsigned char *src = image.texture + (m_imageHeight - 1 - y) * srcPitch;
unsigned char *alpha = image.alpha + (m_imageHeight - 1 - y) * m_imageWidth;
for (unsigned int x = 0; x < m_imageWidth; x++)
{
*dst++ = *src++;
*dst++ = *src++;
*dst++ = *src++;
*dst++ = (image.alpha) ? *alpha++ : 0xff;
}
}
if (nBkgndIndex != -1)
{
for (unsigned int y = 0; y < m_imageHeight; y++)
{
unsigned char *dst = m_pixels + y * destPitch;
//unsigned char *src = image.texture + (m_imageHeight - 1 - y) * srcPitch;
//unsigned char *alpha = image.alpha + (m_imageHeight - 1 - y) * m_imageWidth;
for (unsigned int x = 0; x < m_imageWidth; x++)
{
if (*dst == nBkgndColor.rgbBlue
&& *(dst + 1) == nBkgndColor.rgbGreen
&& *(dst + 2) == nBkgndColor.rgbRed)
{
*(dst + 3) = 0x00;
}
dst += 4;
}
}
}
dll.ReleaseImage(&image);
ClampToEdge();
return true;
}
