Module: wine Branch: master Commit: dcb5c97d02d58a0478e735eb7158c9bf3239791c URL: https://gitlab.winehq.org/wine/wine/-/commit/dcb5c97d02d58a0478e735eb7158c9b...
Author: Benjamin Mayes czahrien@gmail.com Date: Fri May 31 22:54:12 2024 -0400
windowscodecs: Add conversions from PixelFormat32bppBGRA->PixelFormat16bppBGRA5551.
---
dlls/windowscodecs/converter.c | 65 +++++++++++++++++++++++++++++++++++- dlls/windowscodecs/tests/converter.c | 21 ++++++++++++ 2 files changed, 85 insertions(+), 1 deletion(-)
diff --git a/dlls/windowscodecs/converter.c b/dlls/windowscodecs/converter.c index 32109d917c5..c2657dc0d33 100644 --- a/dlls/windowscodecs/converter.c +++ b/dlls/windowscodecs/converter.c @@ -1492,6 +1492,69 @@ static HRESULT copypixels_to_8bppIndexed(struct FormatConverter *This, const WIC return hr; }
+static HRESULT copypixels_to_16bppBGRA5551(struct FormatConverter *This, const WICRect *prc, + UINT cbStride, UINT cbBufferSize, BYTE *pbBuffer, enum pixelformat source_format) +{ + switch (source_format) + { + case format_16bppBGRA5551: + if (prc) + return IWICBitmapSource_CopyPixels(This->source, prc, cbStride, cbBufferSize, pbBuffer); + return S_OK; + case format_32bppBGRA: + if(prc) + { + HRESULT res; + INT x, y; + BYTE *srcdata; + UINT srcstride, srcdatasize; + const BYTE *srcrow; + const DWORD *srcpixel; + BYTE *dstrow; + DWORD srcval = 0; + WORD *dstpixel; + + int a, r, g, b; + + srcstride = 4 * prc->Width; + srcdatasize = srcstride * prc->Height; + + srcdata = malloc(srcdatasize); + if (!srcdata) return E_OUTOFMEMORY; + + res = IWICBitmapSource_CopyPixels(This->source, prc, srcstride, srcdatasize, srcdata); + if(SUCCEEDED(res)) + { + srcrow = srcdata; + dstrow = pbBuffer; + for(y=0; y< prc->Height; y++) { + srcpixel = (const DWORD*)srcrow; + dstpixel = (WORD *)dstrow; + for(x=0; x<prc->Width; x++) { + srcval=*srcpixel++; + a = (srcval & 0xff000000) >> 24; + r = (srcval & 0x00ff0000) >> 16; + g = (srcval & 0x0000ff00) >> 8; + b = (srcval & 0x000000ff); + a = (a >> 7) << 15; + r = (r >> 3) << 10; + g = (g >> 3) << 5; + b = (b >> 3); + *dstpixel++ = (a|r|g|b); + } + srcrow += srcstride; + dstrow += cbStride; + } + } + free(srcdata); + } + return S_OK; + default: + FIXME("Unimplemented conversion path! %d\n", source_format); + return WINCODEC_ERR_UNSUPPORTEDOPERATION; + } +} + static const struct pixelformatinfo supported_formats[] = { {format_1bppIndexed, &GUID_WICPixelFormat1bppIndexed, NULL, TRUE}, {format_2bppIndexed, &GUID_WICPixelFormat2bppIndexed, NULL, TRUE}, @@ -1504,7 +1567,7 @@ static const struct pixelformatinfo supported_formats[] = { {format_16bppGray, &GUID_WICPixelFormat16bppGray, NULL}, {format_16bppBGR555, &GUID_WICPixelFormat16bppBGR555, NULL}, {format_16bppBGR565, &GUID_WICPixelFormat16bppBGR565, NULL}, - {format_16bppBGRA5551, &GUID_WICPixelFormat16bppBGRA5551, NULL}, + {format_16bppBGRA5551, &GUID_WICPixelFormat16bppBGRA5551, copypixels_to_16bppBGRA5551}, {format_24bppBGR, &GUID_WICPixelFormat24bppBGR, copypixels_to_24bppBGR}, {format_24bppRGB, &GUID_WICPixelFormat24bppRGB, copypixels_to_24bppRGB}, {format_32bppGrayFloat, &GUID_WICPixelFormat32bppGrayFloat, copypixels_to_32bppGrayFloat}, diff --git a/dlls/windowscodecs/tests/converter.c b/dlls/windowscodecs/tests/converter.c index d13ee896e95..ff2a1e0a067 100644 --- a/dlls/windowscodecs/tests/converter.c +++ b/dlls/windowscodecs/tests/converter.c @@ -602,6 +602,26 @@ static const BYTE bits_24bppBGR_gray[] = { static const struct bitmap_data testdata_24bppBGR_gray = { &GUID_WICPixelFormat24bppBGR, 24, bits_24bppBGR_gray, 32, 2, 96.0, 96.0};
+#define TO_16bppBGRA5551(b,g,r,a) ( \ + ((a >> 7) << 15) | \ + ((r >> 3) << 10) | \ + ((g >> 3) << 5) | \ + ((b >> 3)) \ +) + +static const WORD bits_16bppBGRA5551[] = { + TO_16bppBGRA5551(255,0,0,255), TO_16bppBGRA5551(0,255,0,255), TO_16bppBGRA5551(0,0,255,255), TO_16bppBGRA5551(0,0,0,255), TO_16bppBGRA5551(255,0,0,255), TO_16bppBGRA5551(0,255,0,255), TO_16bppBGRA5551(0,0,255,255), TO_16bppBGRA5551(0,0,0,255), + TO_16bppBGRA5551(255,0,0,255), TO_16bppBGRA5551(0,255,0,255), TO_16bppBGRA5551(0,0,255,255), TO_16bppBGRA5551(0,0,0,255), TO_16bppBGRA5551(255,0,0,255), TO_16bppBGRA5551(0,255,0,255), TO_16bppBGRA5551(0,0,255,255), TO_16bppBGRA5551(0,0,0,255), + TO_16bppBGRA5551(255,0,0,255), TO_16bppBGRA5551(0,255,0,255), TO_16bppBGRA5551(0,0,255,255), TO_16bppBGRA5551(0,0,0,255), TO_16bppBGRA5551(255,0,0,255), TO_16bppBGRA5551(0,255,0,255), TO_16bppBGRA5551(0,0,255,255), TO_16bppBGRA5551(0,0,0,255), + TO_16bppBGRA5551(255,0,0,255), TO_16bppBGRA5551(0,255,0,255), TO_16bppBGRA5551(0,0,255,255), TO_16bppBGRA5551(0,0,0,255), TO_16bppBGRA5551(255,0,0,255), TO_16bppBGRA5551(0,255,0,255), TO_16bppBGRA5551(0,0,255,255), TO_16bppBGRA5551(0,0,0,255), + TO_16bppBGRA5551(0,255,255,255), TO_16bppBGRA5551(255,0,255,255), TO_16bppBGRA5551(255,255,0,255), TO_16bppBGRA5551(255,255,255,255), TO_16bppBGRA5551(0,255,255,255), TO_16bppBGRA5551(255,0,255,255), TO_16bppBGRA5551(255,255,0,255), TO_16bppBGRA5551(255,255,255,255), + TO_16bppBGRA5551(0,255,255,255), TO_16bppBGRA5551(255,0,255,255), TO_16bppBGRA5551(255,255,0,255), TO_16bppBGRA5551(255,255,255,255), TO_16bppBGRA5551(0,255,255,255), TO_16bppBGRA5551(255,0,255,255), TO_16bppBGRA5551(255,255,0,255), TO_16bppBGRA5551(255,255,255,255), + TO_16bppBGRA5551(0,255,255,255), TO_16bppBGRA5551(255,0,255,255), TO_16bppBGRA5551(255,255,0,255), TO_16bppBGRA5551(255,255,255,255), TO_16bppBGRA5551(0,255,255,255), TO_16bppBGRA5551(255,0,255,255), TO_16bppBGRA5551(255,255,0,255), TO_16bppBGRA5551(255,255,255,255), + TO_16bppBGRA5551(0,255,255,255), TO_16bppBGRA5551(255,0,255,255), TO_16bppBGRA5551(255,255,0,255), TO_16bppBGRA5551(255,255,255,255), TO_16bppBGRA5551(0,255,255,255), TO_16bppBGRA5551(255,0,255,255), TO_16bppBGRA5551(255,255,0,255), TO_16bppBGRA5551(255,255,255,255)}; + +static const struct bitmap_data testdata_16bppBGRA5551 = { + &GUID_WICPixelFormat16bppBGRA5551, 16, (BYTE*)bits_16bppBGRA5551, 32, 2, 96.0, 96.0}; + static void test_conversion(const struct bitmap_data *src, const struct bitmap_data *dst, const char *name, BOOL todo) { BitmapTestSrc *src_obj; @@ -2054,6 +2074,7 @@ START_TEST(converter) test_conversion(&testdata_32bppBGR, &testdata_8bppGray, "32bppBGR -> 8bppGray", FALSE); test_conversion(&testdata_32bppGrayFloat, &testdata_24bppBGR_gray, "32bppGrayFloat -> 24bppBGR gray", FALSE); test_conversion(&testdata_32bppGrayFloat, &testdata_8bppGray, "32bppGrayFloat -> 8bppGray", FALSE); + test_conversion(&testdata_32bppBGRA, &testdata_16bppBGRA5551, "32bppBGRA -> 16bppBGRA5551", FALSE);
test_invalid_conversion(); test_default_converter();