示例#1
0
void Texture::SurfaceChannelOrderToDataFormatAndType( const SurfaceChannelOrder &sco, GLint *dataFormat, GLenum *type )
{
	switch( sco.getCode() ) {
		case SurfaceChannelOrder::RGB:
			*dataFormat = GL_RGB;
			*type = GL_UNSIGNED_BYTE;
		break;
		case SurfaceChannelOrder::RGBA:
		case SurfaceChannelOrder::RGBX:
			*dataFormat = GL_RGBA;
			*type = GL_UNSIGNED_BYTE;
		break;
		case SurfaceChannelOrder::BGRA:
		case SurfaceChannelOrder::BGRX:
			*dataFormat = GL_BGRA;
			*type = GL_UNSIGNED_BYTE;
		break;
#if ! defined( CINDER_GLES )
		case SurfaceChannelOrder::BGR:
			*dataFormat = GL_BGR;
			*type = GL_UNSIGNED_BYTE;
		break;
		case SurfaceChannelOrder::ARGB:
			*dataFormat = GL_BGRA;
			*type = GL_UNSIGNED_INT_8_8_8_8;
		break;
#endif // ! defined( CINDER_GLES )
		default:
			throw TextureDataExc( "Invalid channel order" ); // this is an unsupported channel order for a texture
		break;
	}
}
示例#2
0
Gdiplus::PixelFormat surfaceChannelOrderToGdiplusPixelFormat( const SurfaceChannelOrder &sco, bool premultiplied )
{
	switch( sco.getCode() ) {
		case SurfaceChannelOrder::BGR:
			return PixelFormat24bppRGB;
		break;
		case SurfaceChannelOrder::BGRX: // untested code path
			return PixelFormat32bppRGB;
		break;
		case SurfaceChannelOrder::BGRA:
			return ( premultiplied ) ? PixelFormat32bppPARGB : PixelFormat32bppARGB;
		break;
		default:
			return PixelFormatUndefined;
	}
}