Module: wine Branch: master Commit: 01c26d14166b3102332c41a42e9094fb4fefa559 URL: http://source.winehq.org/git/wine.git/?a=commit;h=01c26d14166b3102332c41a42e...
Author: Vincent Povirk vincent@codeweavers.com Date: Fri Dec 11 15:55:01 2009 -0600
gdiplus: Add test for image palette functions.
---
dlls/gdiplus/tests/image.c | 174 ++++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 174 insertions(+), 0 deletions(-)
diff --git a/dlls/gdiplus/tests/image.c b/dlls/gdiplus/tests/image.c index cd761bd..1ef2651 100644 --- a/dlls/gdiplus/tests/image.c +++ b/dlls/gdiplus/tests/image.c @@ -876,6 +876,179 @@ static void test_getsetpixel(void) expect(Ok, stat); }
+static void check_halftone_palette(ColorPalette *palette) +{ + static const BYTE halftone_values[6]={0x00,0x33,0x66,0x99,0xcc,0xff}; + UINT i; + + for (i=0; i<palette->Count; i++) + { + ARGB expected=0xff000000; + if (i<8) + { + if (i&1) expected |= 0x800000; + if (i&2) expected |= 0x8000; + if (i&4) expected |= 0x80; + } + else if (i == 8) + { + expected = 0xffc0c0c0; + } + else if (i < 16) + { + if (i&1) expected |= 0xff0000; + if (i&2) expected |= 0xff00; + if (i&4) expected |= 0xff; + } + else if (i < 40) + { + expected = 0x00000000; + } + else + { + expected |= halftone_values[(i-40)%6]; + expected |= halftone_values[((i-40)/6)%6] << 8; + expected |= halftone_values[((i-40)/36)%6] << 16; + } + ok(expected == palette->Entries[i], "Expected %.8x, got %.8x, i=%u/%u\n", + expected, palette->Entries[i], i, palette->Count); + } +} + +static void test_palette(void) +{ + GpStatus stat; + GpBitmap *bitmap; + INT size; + BYTE buffer[1040]; + ColorPalette *palette=(ColorPalette*)buffer; + + /* test initial palette from non-indexed bitmap */ + stat = GdipCreateBitmapFromScan0(2, 2, 8, PixelFormat32bppRGB, NULL, &bitmap); + expect(Ok, stat); + + stat = GdipGetImagePaletteSize((GpImage*)bitmap, &size); + expect(Ok, stat); + expect(sizeof(UINT)*2+sizeof(ARGB), size); + + stat = GdipGetImagePalette((GpImage*)bitmap, palette, size); + expect(Ok, stat); + expect(0, palette->Count); + + /* test setting palette on not-indexed bitmap */ + palette->Count = 3; + + stat = GdipSetImagePalette((GpImage*)bitmap, palette); + expect(Ok, stat); + + stat = GdipGetImagePaletteSize((GpImage*)bitmap, &size); + expect(Ok, stat); + expect(sizeof(UINT)*2+sizeof(ARGB)*3, size); + + stat = GdipGetImagePalette((GpImage*)bitmap, palette, size); + expect(Ok, stat); + expect(3, palette->Count); + + GdipDisposeImage((GpImage*)bitmap); + + /* test initial palette on 1-bit bitmap */ + stat = GdipCreateBitmapFromScan0(2, 2, 4, PixelFormat1bppIndexed, NULL, &bitmap); + expect(Ok, stat); + + stat = GdipGetImagePaletteSize((GpImage*)bitmap, &size); + expect(Ok, stat); + expect(sizeof(UINT)*2+sizeof(ARGB)*2, size); + + stat = GdipGetImagePalette((GpImage*)bitmap, palette, size); + expect(Ok, stat); + expect(PaletteFlagsGrayScale, palette->Flags); + expect(2, palette->Count); + + expect(0xff000000, palette->Entries[0]); + expect(0xffffffff, palette->Entries[1]); + + GdipDisposeImage((GpImage*)bitmap); + + /* test initial palette on 4-bit bitmap */ + stat = GdipCreateBitmapFromScan0(2, 2, 4, PixelFormat4bppIndexed, NULL, &bitmap); + expect(Ok, stat); + + stat = GdipGetImagePaletteSize((GpImage*)bitmap, &size); + expect(Ok, stat); + expect(sizeof(UINT)*2+sizeof(ARGB)*16, size); + + stat = GdipGetImagePalette((GpImage*)bitmap, palette, size); + expect(Ok, stat); + expect(0, palette->Flags); + expect(16, palette->Count); + + check_halftone_palette(palette); + + GdipDisposeImage((GpImage*)bitmap); + + /* test initial palette on 8-bit bitmap */ + stat = GdipCreateBitmapFromScan0(2, 2, 8, PixelFormat8bppIndexed, NULL, &bitmap); + expect(Ok, stat); + + stat = GdipGetImagePaletteSize((GpImage*)bitmap, &size); + expect(Ok, stat); + expect(sizeof(UINT)*2+sizeof(ARGB)*256, size); + + stat = GdipGetImagePalette((GpImage*)bitmap, palette, size); + expect(Ok, stat); + expect(PaletteFlagsHalftone, palette->Flags); + expect(256, palette->Count); + + check_halftone_palette(palette); + + /* test setting/getting a different palette */ + palette->Entries[1] = 0xffcccccc; + + stat = GdipSetImagePalette((GpImage*)bitmap, palette); + expect(Ok, stat); + + palette->Entries[1] = 0; + + stat = GdipGetImagePaletteSize((GpImage*)bitmap, &size); + expect(Ok, stat); + expect(sizeof(UINT)*2+sizeof(ARGB)*256, size); + + stat = GdipGetImagePalette((GpImage*)bitmap, palette, size); + expect(Ok, stat); + expect(PaletteFlagsHalftone, palette->Flags); + expect(256, palette->Count); + expect(0xffcccccc, palette->Entries[1]); + + /* test count < 256 */ + palette->Flags = 12345; + palette->Count = 3; + + stat = GdipSetImagePalette((GpImage*)bitmap, palette); + expect(Ok, stat); + + palette->Entries[1] = 0; + palette->Entries[3] = 0xdeadbeef; + + stat = GdipGetImagePaletteSize((GpImage*)bitmap, &size); + expect(Ok, stat); + expect(sizeof(UINT)*2+sizeof(ARGB)*3, size); + + stat = GdipGetImagePalette((GpImage*)bitmap, palette, size); + expect(Ok, stat); + expect(12345, palette->Flags); + expect(3, palette->Count); + expect(0xffcccccc, palette->Entries[1]); + expect(0xdeadbeef, palette->Entries[3]); + + /* test count > 256 */ + palette->Count = 257; + + stat = GdipSetImagePalette((GpImage*)bitmap, palette); + expect(InvalidParameter, stat); + + GdipDisposeImage((GpImage*)bitmap); +} + START_TEST(image) { struct GdiplusStartupInput gdiplusStartupInput; @@ -903,6 +1076,7 @@ START_TEST(image) test_getrawformat(); test_createhbitmap(); test_getsetpixel(); + test_palette();
GdiplusShutdown(gdiplusToken); }