Module: wine Branch: master Commit: 8836ed61aa77b55296b8b7097c599f8e054c621b URL: http://source.winehq.org/git/wine.git/?a=commit;h=8836ed61aa77b55296b8b7097c...
Author: Dmitry Timoshkov dmitry@baikal.ru Date: Thu Sep 15 16:10:17 2016 -0500
windowscodecs: Add support for 32bppGrayFloat format.
Signed-off-by: Vincent Povirk vincent@codeweavers.com Signed-off-by: Alexandre Julliard julliard@winehq.org
---
dlls/windowscodecs/converter.c | 45 ++++++++++++++++++++++++++++++++++++ dlls/windowscodecs/regsvr.c | 1 + dlls/windowscodecs/tests/converter.c | 37 +++++++++++++++++++++++++++++ include/wincodec.idl | 1 + 4 files changed, 84 insertions(+)
diff --git a/dlls/windowscodecs/converter.c b/dlls/windowscodecs/converter.c index efe78d8..21301cb 100644 --- a/dlls/windowscodecs/converter.c +++ b/dlls/windowscodecs/converter.c @@ -49,6 +49,7 @@ enum pixelformat { format_16bppBGRA5551, format_24bppBGR, format_24bppRGB, + format_32bppGrayFloat, format_32bppBGR, format_32bppBGRA, format_32bppPBGRA, @@ -996,6 +997,49 @@ static HRESULT copypixels_to_24bppRGB(struct FormatConverter *This, const WICRec } }
+static HRESULT copypixels_to_32bppGrayFloat(struct FormatConverter *This, const WICRect *prc, + UINT cbStride, UINT cbBufferSize, BYTE *pbBuffer, enum pixelformat source_format) +{ + HRESULT hr; + + switch (source_format) + { + case format_32bppBGR: + case format_32bppBGRA: + case format_32bppPBGRA: + case format_32bppGrayFloat: + if (prc) + { + hr = IWICBitmapSource_CopyPixels(This->source, prc, cbStride, cbBufferSize, pbBuffer); + break; + } + return S_OK; + + default: + hr = copypixels_to_32bppBGRA(This, prc, cbStride, cbBufferSize, pbBuffer, source_format); + break; + } + + if (SUCCEEDED(hr) && prc && source_format != format_32bppGrayFloat) + { + INT x, y; + BYTE *p = pbBuffer; + + for (y = 0; y < prc->Height; y++) + { + BYTE *bgr = p; + for (x = 0; x < prc->Width; x++) + { + float gray = (bgr[2] * 0.2126f + bgr[1] * 0.7152f + bgr[0] * 0.0722f) / 255.0f; + *(float *)bgr = gray; + bgr += 4; + } + p += cbStride; + } + } + return hr; +} + static const struct pixelformatinfo supported_formats[] = { {format_1bppIndexed, &GUID_WICPixelFormat1bppIndexed, NULL}, {format_2bppIndexed, &GUID_WICPixelFormat2bppIndexed, NULL}, @@ -1011,6 +1055,7 @@ static const struct pixelformatinfo supported_formats[] = { {format_16bppBGRA5551, &GUID_WICPixelFormat16bppBGRA5551, NULL}, {format_24bppBGR, &GUID_WICPixelFormat24bppBGR, copypixels_to_24bppBGR}, {format_24bppRGB, &GUID_WICPixelFormat24bppRGB, copypixels_to_24bppRGB}, + {format_32bppGrayFloat, &GUID_WICPixelFormat32bppGrayFloat, copypixels_to_32bppGrayFloat}, {format_32bppBGR, &GUID_WICPixelFormat32bppBGR, copypixels_to_32bppBGR}, {format_32bppBGRA, &GUID_WICPixelFormat32bppBGRA, copypixels_to_32bppBGRA}, {format_32bppPBGRA, &GUID_WICPixelFormat32bppPBGRA, copypixels_to_32bppPBGRA}, diff --git a/dlls/windowscodecs/regsvr.c b/dlls/windowscodecs/regsvr.c index ff499e5..10a6c03 100644 --- a/dlls/windowscodecs/regsvr.c +++ b/dlls/windowscodecs/regsvr.c @@ -1452,6 +1452,7 @@ static GUID const * const converter_formats[] = { &GUID_WICPixelFormat32bppBGR, &GUID_WICPixelFormat32bppBGRA, &GUID_WICPixelFormat32bppPBGRA, + &GUID_WICPixelFormat32bppGrayFloat, &GUID_WICPixelFormat48bppRGB, &GUID_WICPixelFormat64bppRGBA, &GUID_WICPixelFormat32bppCMYK, diff --git a/dlls/windowscodecs/tests/converter.c b/dlls/windowscodecs/tests/converter.c index d6f581d..ef60552 100644 --- a/dlls/windowscodecs/tests/converter.c +++ b/dlls/windowscodecs/tests/converter.c @@ -35,6 +35,7 @@ typedef struct bitmap_data { UINT height; double xres; double yres; + const struct bitmap_data *alt_data; } bitmap_data;
typedef struct BitmapTestSrc { @@ -43,6 +44,11 @@ typedef struct BitmapTestSrc { const bitmap_data *data; } BitmapTestSrc;
+static BOOL near_equal(float a, float b) +{ + return fabsf(a - b) < 0.001; +} + static inline BitmapTestSrc *impl_from_IWICBitmapSource(IWICBitmapSource *iface) { return CONTAINING_RECORD(iface, BitmapTestSrc, IWICBitmapSource_iface); @@ -213,9 +219,24 @@ static BOOL compare_bits(const struct bitmap_data *expect, UINT buffersize, cons break; } } + else if (IsEqualGUID(expect->format, &GUID_WICPixelFormat32bppGrayFloat)) + { + UINT i; + const float *a=(const float*)expect->bits, *b=(const float*)converted_bits; + equal=TRUE; + for (i=0; i<(buffersize/4); i++) + if (!near_equal(a[i], b[i])) + { + equal = FALSE; + break; + } + } else equal = (memcmp(expect->bits, converted_bits, buffersize) == 0);
+ if (!equal && expect->alt_data) + equal = compare_bits(expect->alt_data, buffersize, converted_bits); + return equal; }
@@ -289,6 +310,19 @@ static const BYTE bits_32bppBGRA[] = { static const struct bitmap_data testdata_32bppBGRA = { &GUID_WICPixelFormat32bppBGRA, 32, bits_32bppBGRA, 4, 2, 96.0, 96.0};
+/* XP and 2003 use linear color conversion, later versions use sRGB gamma */ +static const float bits_32bppGrayFloat_xp[] = { + 0.114000f,0.587000f,0.299000f,0.000000f, + 0.886000f,0.413000f,0.701000f,1.000000f}; +static const struct bitmap_data testdata_32bppGrayFloat_xp = { + &GUID_WICPixelFormat32bppGrayFloat, 32, (const BYTE *)bits_32bppGrayFloat_xp, 4, 2, 96.0, 96.0}; + +static const float bits_32bppGrayFloat[] = { + 0.072200f,0.715200f,0.212600f,0.000000f, + 0.927800f,0.284800f,0.787400f,1.000000f}; +static const struct bitmap_data testdata_32bppGrayFloat = { + &GUID_WICPixelFormat32bppGrayFloat, 32, (const BYTE *)bits_32bppGrayFloat, 4, 2, 96.0, 96.0, &testdata_32bppGrayFloat_xp}; + static void test_conversion(const struct bitmap_data *src, const struct bitmap_data *dst, const char *name, BOOL todo) { BitmapTestSrc *src_obj; @@ -729,6 +763,9 @@ START_TEST(converter) test_conversion(&testdata_24bppRGB, &testdata_32bppBGR, "24bppRGB -> 32bppBGR", FALSE); test_conversion(&testdata_32bppBGRA, &testdata_24bppRGB, "32bppBGRA -> 24bppRGB", FALSE);
+ test_conversion(&testdata_24bppRGB, &testdata_32bppGrayFloat, "24bppRGB -> 32bppGrayFloat", FALSE); + test_conversion(&testdata_32bppBGR, &testdata_32bppGrayFloat, "32bppBGR -> 32bppGrayFloat", FALSE); + test_invalid_conversion(); test_default_converter();
diff --git a/include/wincodec.idl b/include/wincodec.idl index 639d925..83daba8 100644 --- a/include/wincodec.idl +++ b/include/wincodec.idl @@ -196,6 +196,7 @@ cpp_quote("DEFINE_GUID(GUID_WICPixelFormat32bppPBGRA, 0x6fddc324,0x4e03,0x4bfe,0 cpp_quote("DEFINE_GUID(GUID_WICPixelFormat32bppRGB, 0xd98c6b95,0x3efe,0x47d6,0xbb,0x25,0xeb,0x17,0x48,0xab,0x0c,0xf1);") cpp_quote("DEFINE_GUID(GUID_WICPixelFormat32bppRGBA, 0xf5c7ad2d,0x6a8d,0x43dd,0xa7,0xa8,0xa2,0x99,0x35,0x26,0x1a,0xe9);") cpp_quote("DEFINE_GUID(GUID_WICPixelFormat32bppPRGBA, 0x3cc4a650,0xa527,0x4d37,0xa9,0x16,0x31,0x42,0xc7,0xeb,0xed,0xba);") +cpp_quote("DEFINE_GUID(GUID_WICPixelFormat32bppGrayFloat, 0x6fddc324,0x4e03,0x4bfe,0xb1,0x85,0x3d,0x77,0x76,0x8d,0xc9,0x11);")
cpp_quote("DEFINE_GUID(GUID_WICPixelFormat48bppRGB, 0x6fddc324,0x4e03,0x4bfe,0xb1,0x85,0x3d,0x77,0x76,0x8d,0xc9,0x15);") cpp_quote("DEFINE_GUID(GUID_WICPixelFormat64bppRGBA, 0x6fddc324,0x4e03,0x4bfe,0xb1,0x85,0x3d,0x77,0x76,0x8d,0xc9,0x16);")
-
Alexandre Julliard