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@@ -798,8 +798,8 b' class Javascript(TextDisplayObject):' | |||
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798 | 798 | # constants for identifying png/jpeg/gif/webp data |
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799 | 799 | _PNG = b'\x89PNG\r\n\x1a\n' |
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800 | 800 | _JPEG = b'\xff\xd8' |
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801 |
_GIF1 = b |
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802 |
_GIF2 = b |
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801 | _GIF1 = b'GIF87a' | |
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802 | _GIF2 = b'GIF89a' | |
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803 | 803 | _WEBP = b'WEBP' |
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804 | 804 | |
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805 | 805 | |
@@ -838,16 +838,18 b' def _gifxy(data):' | |||
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838 | 838 | def _webpxy(data): |
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839 | 839 | """read the (width, height) from a WEBP header""" |
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840 | 840 | if data[12:16] == b"VP8 ": |
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841 |
width, height = struct.unpack( |
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842 |
width = |
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843 |
height = |
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841 | width, height = struct.unpack("<HH", data[24:30]) | |
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842 | width = width & 0x3FFF | |
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843 | height = height & 0x3FFF | |
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844 | 844 | return (width, height) |
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845 | 845 | elif data[12:16] == b"VP8L": |
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846 |
size_info = struct.unpack( |
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846 | size_info = struct.unpack("<I", data[21:25])[0] | |
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847 | 847 | width = 1 + ((size_info & 0x3F) << 8) | (size_info >> 24) |
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848 | height = 1 + ((((size_info >> 8) & 0xF) << 10) | | |
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849 |
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850 |
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848 | height = 1 + ( | |
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849 | (((size_info >> 8) & 0xF) << 10) | |
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850 | | (((size_info >> 14) & 0x3FC) << 2) | |
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851 | | ((size_info >> 22) & 0x3) | |
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852 | ) | |
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851 | 853 | return (width, height) |
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852 | 854 | else: |
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853 | 855 | raise ValueError("Not a valid WEBP header") |
@@ -855,17 +857,17 b' def _webpxy(data):' | |||
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855 | 857 | |
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856 | 858 | class Image(DisplayObject): |
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857 | 859 | |
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858 |
_read_flags = |
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859 |
_FMT_JPEG = |
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860 |
_FMT_PNG = |
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861 |
_FMT_GIF = |
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862 |
_FMT_WEBP = |
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860 | _read_flags = "rb" | |
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861 | _FMT_JPEG = "jpeg" | |
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862 | _FMT_PNG = "png" | |
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863 | _FMT_GIF = "gif" | |
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864 | _FMT_WEBP = "webp" | |
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863 | 865 | _ACCEPTABLE_EMBEDDINGS = [_FMT_JPEG, _FMT_PNG, _FMT_GIF, _FMT_WEBP] |
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864 | 866 | _MIMETYPES = { |
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865 |
_FMT_PNG: |
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866 |
_FMT_JPEG: |
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867 |
_FMT_GIF: |
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868 |
_FMT_WEBP: |
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867 | _FMT_PNG: "image/png", | |
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868 | _FMT_JPEG: "image/jpeg", | |
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869 | _FMT_GIF: "image/gif", | |
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870 | _FMT_WEBP: "image/webp", | |
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869 | 871 | } |
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870 | 872 | |
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871 | 873 | def __init__( |
@@ -987,7 +989,7 b' class Image(DisplayObject):' | |||
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987 | 989 | format = self._FMT_PNG |
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988 | 990 | elif ext == u'gif': |
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989 | 991 | format = self._FMT_GIF |
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990 |
elif ext == |
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992 | elif ext == "webp": | |
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991 | 993 | format = self._FMT_WEBP |
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992 | 994 | else: |
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993 | 995 | format = ext.lower() |
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