resend patch 1/2: Gdiplus: Implement GdipBitmapGetHistogramSize.

dlls/gdiplus/gdiplus.spec

@@ -619,7 +619,7 @@
 619 stdcall GdipBitmapCreateApplyEffect(ptr long ptr ptr ptr ptr long ptr ptr)
 620 stdcall GdipBitmapApplyEffect(ptr ptr ptr long ptr ptr)
 621 stub GdipBitmapGetHistogram
-622 stub GdipBitmapGetHistogramSize
+622 stdcall GdipBitmapGetHistogramSize(long ptr)
 623 stdcall GdipBitmapConvertFormat(ptr long long long ptr float)
 624 stdcall GdipImageSetAbort(ptr ptr)
 625 stub GdipGraphicsSetAbort

dlls/gdiplus/image.c

@@ -5386,3 +5386,17 @@ GpStatus WINGDIPAPI GdipBitmapConvertFormat(GpBitmap *bitmap, PixelFormat format
     FIXME("(%p, 0x%08x, %d, %d, %p, %f): stub\n", bitmap, format, dithertype, palettetype, palette, alphathreshold);
     return NotImplemented;
 }
+
+/*****************************************************************************
+ * GdipBitmapGetHistogramSize [GDIPLUS.@]
+ */
+GpStatus WINGDIPAPI GdipBitmapGetHistogramSize(HistogramFormat format, UINT *num_of_entries)
+{
+    TRACE("(%d, %p)\n", format, num_of_entries);
+
+    if (!num_of_entries)
+        return InvalidParameter;
+
+    *num_of_entries = 256;
+    return Ok;
+}

dlls/gdiplus/tests/image.c

@@ -30,6 +30,8 @@
 #include "gdiplus.h"
 #include "wine/test.h"
 
+static GpStatus (WINAPI *pGdipBitmapGetHistogramSize)(HistogramFormat,UINT*);
+
 #define expect(expected, got) ok((got) == (expected), "Expected %d, got %d\n", (UINT)(expected), (UINT)(got))
 #define expectf(expected, got) ok(fabs((expected) - (got)) < 0.0001, "Expected %f, got %f\n", (expected), (got))
 
@@ -4785,8 +4787,51 @@ static void test_getadjustedpalette(void)
     GdipDisposeImageAttributes(imageattributes);
 }
 
+static void test_histogramsize(void)
+{
+    HistogramFormat test_formats[] =
+    {
+        HistogramFormatARGB,
+        HistogramFormatPARGB,
+        HistogramFormatRGB,
+        HistogramFormatGray,
+        HistogramFormatB,
+        HistogramFormatG,
+        HistogramFormatR,
+        HistogramFormatA,
+    };
+    GpStatus stat;
+    UINT num, i;
+
+    if (!pGdipBitmapGetHistogramSize)
+    {
+        win_skip("GdipBitmapGetHistogramSize is not supported\n");
+        return;
+    }
+
+    stat = pGdipBitmapGetHistogramSize(HistogramFormatARGB, NULL);
+    expect(InvalidParameter, stat);
+
+    stat = pGdipBitmapGetHistogramSize(0xff, NULL);
+    expect(InvalidParameter, stat);
+
+    num = 123;
+    stat = pGdipBitmapGetHistogramSize(10, &num);
+    expect(Ok, stat);
+    expect(256, num);
+
+    for (i = 0; i < sizeof(test_formats)/sizeof(test_formats[0]); i++)
+    {
+        num = 0;
+        stat = pGdipBitmapGetHistogramSize(test_formats[i], &num);
+        expect(Ok, stat);
+        expect(256, num);
+    }
+}
+
 START_TEST(image)
 {
+    HMODULE mod = GetModuleHandleA("gdiplus.dll");
     struct GdiplusStartupInput gdiplusStartupInput;
     ULONG_PTR gdiplusToken;
 
@@ -4797,6 +4842,8 @@ START_TEST(image)
 
     GdiplusStartup(&gdiplusToken, &gdiplusStartupInput, NULL);
 
+    pGdipBitmapGetHistogramSize = (void*)GetProcAddress(mod, "GdipBitmapGetHistogramSize");
+
     test_supported_encoders();
     test_CloneBitmapArea();
     test_ARGB_conversion();
@@ -4843,6 +4890,7 @@ START_TEST(image)
     test_dispose();
     test_createeffect();
     test_getadjustedpalette();
+    test_histogramsize();
 
     GdiplusShutdown(gdiplusToken);
 }

include/gdipluscolormatrix.h

@@ -48,10 +48,23 @@ struct ColorMap
     Color newColor;
 };
 
+enum HistogramFormat
+{
+    HistogramFormatARGB,
+    HistogramFormatPARGB,
+    HistogramFormatRGB,
+    HistogramFormatGray,
+    HistogramFormatB,
+    HistogramFormatG,
+    HistogramFormatR,
+    HistogramFormatA,
+};
+
 #ifndef __cplusplus
 
 typedef enum ColorAdjustType ColorAdjustType;
 typedef enum ColorMatrixFlags ColorMatrixFlags;
+typedef enum HistogramFormat HistogramFormat;
 typedef struct ColorMatrix ColorMatrix;
 typedef struct ColorMap ColorMap;
 

include/gdiplusflat.h

@@ -41,6 +41,7 @@ GpStatus WINGDIPAPI GdipSetAdjustableArrowCapWidth(GpAdjustableArrowCap*,REAL);
 /* Bitmap */
 GpStatus WINGDIPAPI GdipBitmapApplyEffect(GpBitmap*,CGpEffect*,RECT*,BOOL,VOID**,INT*);
 GpStatus WINGDIPAPI GdipBitmapCreateApplyEffect(GpBitmap**,INT,CGpEffect*,RECT*,RECT*,GpBitmap**,BOOL,VOID**,INT*);
+GpStatus WINGDIPAPI GdipBitmapGetHistogramSize(HistogramFormat,UINT*);
 GpStatus WINGDIPAPI GdipBitmapGetPixel(GpBitmap*,INT,INT,ARGB*);
 GpStatus WINGDIPAPI GdipBitmapLockBits(GpBitmap*,GDIPCONST GpRect*,UINT,
     PixelFormat,BitmapData*);