gdiplus: Implement GdipGetImageAttributesAdjustedPalette.

Signed-off-by: Vincent Povirk <vincent@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>

dlls/gdiplus/gdiplus.spec

@@ -264,7 +264,7 @@
 264 stdcall GdipGetHatchForegroundColor(ptr ptr)
 265 stdcall GdipGetHatchStyle(ptr ptr)
 266 stdcall GdipGetHemfFromMetafile(ptr ptr)
-267 stub GdipGetImageAttributesAdjustedPalette
+267 stdcall GdipGetImageAttributesAdjustedPalette(ptr ptr long)
 268 stdcall GdipGetImageBounds(ptr ptr ptr)
 269 stdcall GdipGetImageDecoders(long long ptr)
 270 stdcall GdipGetImageDecodersSize(ptr ptr)

dlls/gdiplus/gdiplus_private.h

@@ -176,6 +176,9 @@ extern GpStatus convert_pixels(INT width, INT height,
     INT dst_stride, BYTE *dst_bits, PixelFormat dst_format,
     INT src_stride, const BYTE *src_bits, PixelFormat src_format, ColorPalette *palette) DECLSPEC_HIDDEN;
 
+extern PixelFormat apply_image_attributes(const GpImageAttributes *attributes, LPBYTE data,
+    UINT width, UINT height, INT stride, ColorAdjustType type, PixelFormat fmt) DECLSPEC_HIDDEN;
+
 struct GpMatrix{
     REAL matrix[6];
 };

dlls/gdiplus/graphics.c

@@ -661,7 +661,7 @@ static BOOL color_is_gray(ARGB color)
 }
 
 /* returns preferred pixel format for the applied attributes */
-static PixelFormat apply_image_attributes(const GpImageAttributes *attributes, LPBYTE data,
+PixelFormat apply_image_attributes(const GpImageAttributes *attributes, LPBYTE data,
     UINT width, UINT height, INT stride, ColorAdjustType type, PixelFormat fmt)
 {
     UINT x, y;

dlls/gdiplus/imageattributes.c

@@ -77,6 +77,21 @@ GpStatus WINGDIPAPI GdipDisposeImageAttributes(GpImageAttributes *imageattr)
     return Ok;
 }
 
+GpStatus WINGDIPAPI GdipGetImageAttributesAdjustedPalette(GpImageAttributes *imageattr,
+    ColorPalette *palette, ColorAdjustType type)
+{
+    TRACE("(%p,%p,%u)\n", imageattr, palette, type);
+
+    if (!imageattr || !palette || !palette->Count ||
+        type >= ColorAdjustTypeCount || type == ColorAdjustTypeDefault)
+        return InvalidParameter;
+
+    apply_image_attributes(imageattr, (LPBYTE)palette->Entries, palette->Count, 1, 0,
+        type, PixelFormat32bppARGB);
+
+    return Ok;
+}
+
 GpStatus WINGDIPAPI GdipSetImageAttributesColorKeys(GpImageAttributes *imageattr,
     ColorAdjustType type, BOOL enableFlag, ARGB colorLow, ARGB colorHigh)
 {

dlls/gdiplus/tests/image.c

@@ -4725,6 +4725,71 @@ static void test_createeffect(void)
     }
 }
 
+static void test_getadjustedpalette(void)
+{
+    ColorMap colormap;
+    GpImageAttributes *imageattributes;
+    ColorPalette *palette;
+    GpStatus stat;
+
+    stat = GdipCreateImageAttributes(&imageattributes);
+    expect(Ok, stat);
+
+    colormap.oldColor.Argb = 0xffffff00;
+    colormap.newColor.Argb = 0xffff00ff;
+    stat = GdipSetImageAttributesRemapTable(imageattributes, ColorAdjustTypeBitmap,
+        TRUE, 1, &colormap);
+    expect(Ok, stat);
+
+    colormap.oldColor.Argb = 0xffffff80;
+    colormap.newColor.Argb = 0xffff80ff;
+    stat = GdipSetImageAttributesRemapTable(imageattributes, ColorAdjustTypeDefault,
+        TRUE, 1, &colormap);
+    expect(Ok, stat);
+
+    palette = GdipAlloc(sizeof(*palette) + sizeof(ARGB) * 2);
+    palette->Count = 0;
+
+    stat = GdipGetImageAttributesAdjustedPalette(imageattributes, palette, ColorAdjustTypeBitmap);
+    expect(InvalidParameter, stat);
+
+    palette->Count = 3;
+    palette->Entries[0] = 0xffffff00;
+    palette->Entries[1] = 0xffffff80;
+    palette->Entries[2] = 0xffffffff;
+
+    stat = GdipGetImageAttributesAdjustedPalette(imageattributes, palette, ColorAdjustTypeBitmap);
+    expect(Ok, stat);
+    expect(0xffff00ff, palette->Entries[0]);
+    expect(0xffffff80, palette->Entries[1]);
+    expect(0xffffffff, palette->Entries[2]);
+
+    palette->Entries[0] = 0xffffff00;
+    palette->Entries[1] = 0xffffff80;
+    palette->Entries[2] = 0xffffffff;
+
+    stat = GdipGetImageAttributesAdjustedPalette(imageattributes, palette, ColorAdjustTypeBrush);
+    expect(Ok, stat);
+    expect(0xffffff00, palette->Entries[0]);
+    expect(0xffff80ff, palette->Entries[1]);
+    expect(0xffffffff, palette->Entries[2]);
+
+    stat = GdipGetImageAttributesAdjustedPalette(NULL, palette, ColorAdjustTypeBitmap);
+    expect(InvalidParameter, stat);
+
+    stat = GdipGetImageAttributesAdjustedPalette(imageattributes, NULL, ColorAdjustTypeBitmap);
+    expect(InvalidParameter, stat);
+
+    stat = GdipGetImageAttributesAdjustedPalette(imageattributes, palette, -1);
+    expect(InvalidParameter, stat);
+
+    stat = GdipGetImageAttributesAdjustedPalette(imageattributes, palette, ColorAdjustTypeDefault);
+    expect(InvalidParameter, stat);
+
+    GdipFree(palette);
+    GdipDisposeImageAttributes(imageattributes);
+}
+
 START_TEST(image)
 {
     struct GdiplusStartupInput gdiplusStartupInput;
@@ -4782,6 +4847,7 @@ START_TEST(image)
     test_colorkey();
     test_dispose();
     test_createeffect();
+    test_getadjustedpalette();
 
     GdiplusShutdown(gdiplusToken);
 }

include/gdiplusflat.h

@@ -436,6 +436,8 @@ GpStatus WINGDIPAPI GdipSetPropertyItem(GpImage*,GDIPCONST PropertyItem*);
 /* ImageAttributes */
 GpStatus WINGDIPAPI GdipCreateImageAttributes(GpImageAttributes**);
 GpStatus WINGDIPAPI GdipDisposeImageAttributes(GpImageAttributes*);
+GpStatus WINGDIPAPI GdipGetImageAttributesAdjustedPalette(GpImageAttributes*,
+    ColorPalette*,ColorAdjustType);
 GpStatus WINGDIPAPI GdipSetImageAttributesCachedBackground(GpImageAttributes*,
     BOOL);
 GpStatus WINGDIPAPI GdipSetImageAttributesColorKeys(GpImageAttributes*,