import warnings from pyglet.image import * from pyglet.image.codecs import * from pyglet import com from pyglet.libs.win32.constants import * from pyglet.libs.win32.types import * from pyglet.libs.win32 import _kernel32 as kernel32 from pyglet.libs.win32 import _ole32 as ole32 CLSID_WICImagingFactory1 = com.GUID(0xcacaf262, 0x9370, 0x4615, 0xa1, 0x3b, 0x9f, 0x55, 0x39, 0xda, 0x4c, 0xa) CLSID_WICImagingFactory2 = com.GUID(0x317d06e8, 0x5f24, 0x433d, 0xbd, 0xf7, 0x79, 0xce, 0x68, 0xd8, 0xab, 0xc2) # This is available with Windows 7 with a Platform Update, but unable to detect as it wasn't a version change to the OS, # but a KB update. Available in atleast 8+. if WINDOWS_8_OR_GREATER: CLSID_WICImagingFactory = CLSID_WICImagingFactory2 else: CLSID_WICImagingFactory = CLSID_WICImagingFactory1 WICBitmapCreateCacheOption = UINT WICBitmapNoCache = 0 WICBitmapCacheOnDemand = 0x1 WICBitmapCacheOnLoad = 0x2 WICBITMAPCREATECACHEOPTION_FORCE_DWORD = 0x7fffffff WICBitmapPaletteType = UINT WICBitmapPaletteTypeCustom = 0 WICBitmapTransformOptions = UINT WICBitmapTransformRotate0 = 0 WICBitmapTransformRotate90 = 0x1 WICBitmapTransformRotate180 = 0x2 WICBitmapTransformRotate270 = 0x3 WICBitmapTransformFlipHorizontal = 0x8 WICBitmapTransformFlipVertical = 0x10 WICBitmapDitherType = UINT WICBitmapDitherTypeNone = 0 WICBitmapDitherTypeSolid = 0 WICBitmapDitherTypeOrdered4x4 = 0x1 WICBitmapDitherTypeOrdered8x8 = 0x2 WICBitmapDitherTypeOrdered16x16 = 0x3 WICBitmapDitherTypeSpiral4x4 = 0x4 WICBitmapDitherTypeSpiral8x8 = 0x5 WICBitmapDitherTypeDualSpiral4x4 = 0x6 WICBitmapDitherTypeDualSpiral8x8 = 0x7 WICBitmapDitherTypeErrorDiffusion = 0x8 WICBITMAPDITHERTYPE_FORCE_DWORD = 0x7fffffff WICBITMAPTRANSFORMOPTIONS_FORCE_DWORD = 0x7fffffff WICDecodeOptions = UINT WICDecodeMetadataCacheOnDemand = 0 WICDecodeMetadataCacheOnLoad = 0x1 WICMETADATACACHEOPTION_FORCE_DWORD = 0x7fffffff # Different pixel formats. REFWICPixelFormatGUID = com.GUID GUID_WICPixelFormat1bppIndexed = com.GUID(0x6fddc324, 0x4e03, 0x4bfe, 0xb1, 0x85, 0x3d, 0x77, 0x76, 0x8d, 0xc9, 0x01) GUID_WICPixelFormat2bppIndexed = com.GUID(0x6fddc324, 0x4e03, 0x4bfe, 0xb1, 0x85, 0x3d, 0x77, 0x76, 0x8d, 0xc9, 0x02) GUID_WICPixelFormat4bppIndexed = com.GUID(0x6fddc324, 0x4e03, 0x4bfe, 0xb1, 0x85, 0x3d, 0x77, 0x76, 0x8d, 0xc9, 0x03) GUID_WICPixelFormat8bppIndexed = com.GUID(0x6fddc324, 0x4e03, 0x4bfe, 0xb1, 0x85, 0x3d, 0x77, 0x76, 0x8d, 0xc9, 0x04) GUID_WICPixelFormatBlackWhite = com.GUID(0x6fddc324, 0x4e03, 0x4bfe, 0xb1, 0x85, 0x3d, 0x77, 0x76, 0x8d, 0xc9, 0x05) GUID_WICPixelFormat2bppGray = com.GUID(0x6fddc324, 0x4e03, 0x4bfe, 0xb1, 0x85, 0x3d, 0x77, 0x76, 0x8d, 0xc9, 0x06) GUID_WICPixelFormat4bppGray = com.GUID(0x6fddc324, 0x4e03, 0x4bfe, 0xb1, 0x85, 0x3d, 0x77, 0x76, 0x8d, 0xc9, 0x07) GUID_WICPixelFormat8bppGray = com.GUID(0x6fddc324, 0x4e03, 0x4bfe, 0xb1, 0x85, 0x3d, 0x77, 0x76, 0x8d, 0xc9, 0x08) GUID_WICPixelFormat8bppAlpha = com.GUID(0xe6cd0116, 0xeeba, 0x4161, 0xaa, 0x85, 0x27, 0xdd, 0x9f, 0xb3, 0xa8, 0x95) GUID_WICPixelFormat16bppBGR555 = com.GUID(0x6fddc324, 0x4e03, 0x4bfe, 0xb1, 0x85, 0x3d, 0x77, 0x76, 0x8d, 0xc9, 0x09) GUID_WICPixelFormat16bppBGR565 = com.GUID(0x6fddc324, 0x4e03, 0x4bfe, 0xb1, 0x85, 0x3d, 0x77, 0x76, 0x8d, 0xc9, 0x0a) GUID_WICPixelFormat16bppBGRA5551 = com.GUID(0x05ec7c2b, 0xf1e6, 0x4961, 0xad, 0x46, 0xe1, 0xcc, 0x81, 0x0a, 0x87, 0xd2) GUID_WICPixelFormat16bppGray = com.GUID(0x6fddc324, 0x4e03, 0x4bfe, 0xb1, 0x85, 0x3d, 0x77, 0x76, 0x8d, 0xc9, 0x0b) GUID_WICPixelFormat24bppBGR = com.GUID(0x6fddc324, 0x4e03, 0x4bfe, 0xb1, 0x85, 0x3d, 0x77, 0x76, 0x8d, 0xc9, 0x0c) GUID_WICPixelFormat24bppRGB = com.GUID(0x6fddc324, 0x4e03, 0x4bfe, 0xb1, 0x85, 0x3d, 0x77, 0x76, 0x8d, 0xc9, 0x0d) GUID_WICPixelFormat32bppBGR = com.GUID(0x6fddc324, 0x4e03, 0x4bfe, 0xb1, 0x85, 0x3d, 0x77, 0x76, 0x8d, 0xc9, 0x0e) GUID_WICPixelFormat32bppBGRA = com.GUID(0x6fddc324, 0x4e03, 0x4bfe, 0xb1, 0x85, 0x3d, 0x77, 0x76, 0x8d, 0xc9, 0x0f) GUID_WICPixelFormat32bppPBGRA = com.GUID(0x6fddc324, 0x4e03, 0x4bfe, 0xb1, 0x85, 0x3d, 0x77, 0x76, 0x8d, 0xc9, 0x10) GUID_WICPixelFormat32bppRGB = com.GUID(0xd98c6b95, 0x3efe, 0x47d6, 0xbb, 0x25, 0xeb, 0x17, 0x48, 0xab, 0x0c, 0xf1) # 7 platform update? GUID_WICPixelFormat32bppRGBA = com.GUID(0xf5c7ad2d, 0x6a8d, 0x43dd, 0xa7, 0xa8, 0xa2, 0x99, 0x35, 0x26, 0x1a, 0xe9) GUID_WICPixelFormat32bppPRGBA = com.GUID(0x3cc4a650, 0xa527, 0x4d37, 0xa9, 0x16, 0x31, 0x42, 0xc7, 0xeb, 0xed, 0xba) GUID_WICPixelFormat48bppRGB = com.GUID(0x6fddc324, 0x4e03, 0x4bfe, 0xb1, 0x85, 0x3d, 0x77, 0x76, 0x8d, 0xc9, 0x15) GUID_WICPixelFormat48bppBGR = com.GUID(0xe605a384, 0xb468, 0x46ce, 0xbb, 0x2e, 0x36, 0xf1, 0x80, 0xe6, 0x43, 0x13) class IWICComponentInfo(com.pIUnknown): _methods_ = [ ('GetComponentType', com.STDMETHOD()), ('GetCLSID', com.STDMETHOD()), ('GetSigningStatus', com.STDMETHOD()), ('GetAuthor', com.STDMETHOD()), ('GetVendorGUID', com.STDMETHOD()), ('GetVersion', com.STDMETHOD()), ('GetSpecVersion', com.STDMETHOD()), ('GetFriendlyName', com.STDMETHOD()) ] class IWICPixelFormatInfo(IWICComponentInfo, com.pIUnknown): _methods_ = [ ('GetFormatGUID', com.STDMETHOD(POINTER(com.GUID))), ('GetColorContext', com.STDMETHOD()), ('GetBitsPerPixel', com.STDMETHOD(POINTER(UINT))), ('GetChannelCount', com.STDMETHOD(POINTER(UINT))), ('GetChannelMask', com.STDMETHOD()) ] class IWICBitmapSource(com.pIUnknown): _methods_ = [ ('GetSize', com.STDMETHOD(POINTER(UINT), POINTER(UINT))), ('GetPixelFormat', com.STDMETHOD(POINTER(REFWICPixelFormatGUID))), ('GetResolution', com.STDMETHOD(POINTER(DOUBLE), POINTER(DOUBLE))), ('CopyPalette', com.STDMETHOD()), ('CopyPixels', com.STDMETHOD(c_void_p, UINT, UINT, c_void_p)), ] class IWICFormatConverter(IWICBitmapSource, com.pIUnknown): _methods_ = [ ('Initialize', com.STDMETHOD(IWICBitmapSource, POINTER(REFWICPixelFormatGUID), WICBitmapDitherType, c_void_p, DOUBLE, WICBitmapPaletteType)), ('CanConvert', com.STDMETHOD(POINTER(REFWICPixelFormatGUID), POINTER(REFWICPixelFormatGUID), POINTER(BOOL))), ] class IWICMetadataQueryReader(com.pIUnknown): _methods_ = [ ('GetContainerFormat', com.STDMETHOD()), ('GetLocation', com.STDMETHOD()), ('GetMetadataByName', com.STDMETHOD(LPCWSTR, c_void_p)), ('GetEnumerator', com.STDMETHOD()), ] class IWICBitmapFrameDecode(IWICBitmapSource, com.pIUnknown): _methods_ = [ ('GetMetadataQueryReader', com.STDMETHOD(POINTER(IWICMetadataQueryReader))), ('GetColorContexts', com.STDMETHOD()), ('GetThumbnail', com.STDMETHOD(POINTER(IWICBitmapSource))), ] class IWICBitmapFlipRotator(IWICBitmapSource, com.pIUnknown): _methods_ = [ ('Initialize', com.STDMETHOD(IWICBitmapSource, WICBitmapTransformOptions)), ] class IWICBitmap(IWICBitmapSource, com.pIUnknown): _methods_ = [ ('Lock', com.STDMETHOD()), ('SetPalette', com.STDMETHOD()), ('SetResolution', com.STDMETHOD()) ] class IWICBitmapDecoder(com.pIUnknown): _methods_ = [ ('QueryCapability', com.STDMETHOD()), ('Initialize', com.STDMETHOD()), ('GetContainerFormat', com.STDMETHOD()), ('GetDecoderInfo', com.STDMETHOD()), ('CopyPalette', com.STDMETHOD()), ('GetMetadataQueryReader', com.STDMETHOD(POINTER(IWICMetadataQueryReader))), ('GetPreview', com.STDMETHOD()), ('GetColorContexts', com.STDMETHOD()), ('GetThumbnail', com.STDMETHOD()), ('GetFrameCount', com.STDMETHOD(POINTER(UINT))), ('GetFrame', com.STDMETHOD(UINT, POINTER(IWICBitmapFrameDecode))), ] IID_IWICImagingFactory1 = com.GUID(0xec5ec8a9, 0xc395, 0x4314, 0x9c, 0x77, 0x54, 0xd7, 0xa9, 0x35, 0xff, 0x70) IID_IWICImagingFactory2 = com.GUID(0x7B816B45, 0x1996, 0x4476, 0xB1, 0x32, 0xDE, 0x9E, 0x24, 0x7C, 0x8A, 0xF0) if WINDOWS_8_OR_GREATER: IID_IWICImagingFactory = IID_IWICImagingFactory2 else: IID_IWICImagingFactory = IID_IWICImagingFactory1 IID_IWICPixelFormatInfo = com.GUID(0xE8EDA601, 0x3D48, 0x431a, 0xAB, 0x44, 0x69, 0x05, 0x9B, 0xE8, 0x8B, 0xBE) class IWICImagingFactory(com.pIUnknown): _methods_ = [ ('CreateDecoderFromFilename', com.STDMETHOD(LPCWSTR, com.GUID, DWORD, WICDecodeOptions, POINTER(IWICBitmapDecoder))), ('CreateDecoderFromStream', com.STDMETHOD(com.pIUnknown, c_void_p, WICDecodeOptions, POINTER(IWICBitmapDecoder))), ('CreateDecoderFromFileHandle', com.STDMETHOD()), ('CreateComponentInfo', com.STDMETHOD(com.GUID, POINTER(IWICComponentInfo))), ('CreateDecoder', com.STDMETHOD()), ('CreateEncoder', com.STDMETHOD()), ('CreatePalette', com.STDMETHOD()), ('CreateFormatConverter', com.STDMETHOD(POINTER(IWICFormatConverter))), ('CreateBitmapScaler', com.STDMETHOD()), ('CreateBitmapClipper', com.STDMETHOD()), ('CreateBitmapFlipRotator', com.STDMETHOD(POINTER(IWICBitmapFlipRotator))), ('CreateStream', com.STDMETHOD()), ('CreateColorContext', com.STDMETHOD()), ('CreateColorTransformer', com.STDMETHOD()), ('CreateBitmap', com.STDMETHOD(UINT, UINT, POINTER(REFWICPixelFormatGUID), WICBitmapCreateCacheOption, POINTER(IWICBitmap))), ('CreateBitmapFromSource', com.STDMETHOD()), ('CreateBitmapFromSourceRect', com.STDMETHOD()), ('CreateBitmapFromMemory', com.STDMETHOD()), ('CreateBitmapFromHBITMAP', com.STDMETHOD()), ('CreateBitmapFromHICON', com.STDMETHOD()), ('CreateComponentEnumerator', com.STDMETHOD()), ('CreateFastMetadataEncoderFromDecoder', com.STDMETHOD()), ('CreateFastMetadataEncoderFromFrameDecode', com.STDMETHOD()), ('CreateQueryWriter', com.STDMETHOD()), ('CreateQueryWriterFromReader', com.STDMETHOD()) ] class WICDecoder(ImageDecoder): """Windows Imaging Component. This decoder is a replacement for GDI and GDI+ starting with Windows 7 with more features up to Windows 10.""" def __init__(self): super(ImageDecoder, self).__init__() self._factory = IWICImagingFactory() try: ole32.CoInitializeEx(None, COINIT_MULTITHREADED) except OSError as err: warnings.warn(str(err)) ole32.CoCreateInstance(CLSID_WICImagingFactory, None, CLSCTX_INPROC_SERVER, IID_IWICImagingFactory, byref(self._factory)) def get_file_extensions(self): return ['.bmp', '.jpg', '.jpeg', '.png', '.tif', '.tiff', '.ico', '.jxr', '.hdp', '.wdp'] def _load_bitmap_decoder(self, file, filename): data = file.read() # Create a HGLOBAL with image data hglob = kernel32.GlobalAlloc(GMEM_MOVEABLE, len(data)) ptr = kernel32.GlobalLock(hglob) memmove(ptr, data, len(data)) kernel32.GlobalUnlock(hglob) # Create IStream for the HGLOBAL stream = com.pIUnknown() ole32.CreateStreamOnHGlobal(hglob, True, byref(stream)) # Load image from stream decoder = IWICBitmapDecoder() status = self._factory.CreateDecoderFromStream(stream, None, WICDecodeMetadataCacheOnDemand, byref(decoder)) if status != 0: stream.Release() raise ImageDecodeException('WIC cannot load %r' % (filename or file)) return decoder, stream def _get_bitmap_frame(self, bitmap_decoder, frame_index): bitmap = IWICBitmapFrameDecode() bitmap_decoder.GetFrame(frame_index, byref(bitmap)) return bitmap def get_image(self, bitmap, target_fmt=GUID_WICPixelFormat32bppBGRA): """Get's image from bitmap, specifying target format, bitmap is released before returning.""" width = UINT() height = UINT() bitmap.GetSize(byref(width), byref(height)) width = int(width.value) height = int(height.value) # Get image pixel format pf = com.GUID(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0) bitmap.GetPixelFormat(byref(pf)) fmt = 'BGRA' # If target format is not what we want (32bit BGRA) convert it. if pf != target_fmt: converter = IWICFormatConverter() self._factory.CreateFormatConverter(byref(converter)) conversion_possible = BOOL() converter.CanConvert(pf, target_fmt, byref(conversion_possible)) # 99% of the time conversion will be possible to default. # However, we check to be safe and fallback to 24 bit BGR if not possible. if not conversion_possible: target_fmt = GUID_WICPixelFormat24bppBGR fmt = 'BGR' converter.Initialize(bitmap, target_fmt, WICBitmapDitherTypeNone, None, 0, WICBitmapPaletteTypeCustom) bitmap.Release() bitmap = converter # Most images are loaded with a negative pitch, which requires list comprehension to fix. # Create a flipped bitmap through the decoder rather through Python to increase performance. flipper = IWICBitmapFlipRotator() self._factory.CreateBitmapFlipRotator(byref(flipper)) flipper.Initialize(bitmap, WICBitmapTransformFlipVertical) stride = len(fmt) * width buffer_size = stride * height buffer = (BYTE * buffer_size)() flipper.CopyPixels(None, stride, buffer_size, byref(buffer)) flipper.Release() bitmap.Release() # Can be converter. return ImageData(width, height, fmt, buffer) def _delete_bitmap_decoder(self, bitmap_decoder, stream): # Release decoder and stream bitmap_decoder.Release() stream.Release() def decode(self, file, filename): bitmap_decoder, stream = self._load_bitmap_decoder(file, filename) bitmap = self._get_bitmap_frame(bitmap_decoder, 0) image = self.get_image(bitmap) self._delete_bitmap_decoder(bitmap_decoder, stream) return image @staticmethod def get_property_value(reader, metadata_name): """ Uses a metadata name and reader to return a single value. Can be used to get metadata from images. If failure, returns 0. Also handles cleanup of PROPVARIANT. """ try: prop = PROPVARIANT() reader.GetMetadataByName(metadata_name, byref(prop)) value = prop.llVal ole32.PropVariantClear(byref(prop)) except OSError: value = 0 return value def get_decoders(): return [WICDecoder()] def get_encoders(): return []