[3/7] windowscodecs: Add support for generating WICBitmapPaletteTypeFixedGray16 palette.
Dmitry Timoshkov
dmitry at baikal.ru
Thu Jul 12 02:08:30 CDT 2012
---
dlls/windowscodecs/palette.c | 22 ++++++++++++++++++++++
dlls/windowscodecs/tests/palette.c | 19 +++++++++++++++++++
2 files changed, 41 insertions(+)
diff --git a/dlls/windowscodecs/palette.c b/dlls/windowscodecs/palette.c
index ffd5877..03f5774a 100644
--- a/dlls/windowscodecs/palette.c
+++ b/dlls/windowscodecs/palette.c
@@ -98,6 +98,23 @@ static ULONG WINAPI PaletteImpl_Release(IWICPalette *iface)
return ref;
}
+static WICColor *generate_gray16_palette(UINT *count)
+{
+ WICColor *entries;
+ UINT i;
+
+ *count = 16;
+ entries = HeapAlloc(GetProcessHeap(), 0, 16 * sizeof(WICColor));
+ if (!entries) return NULL;
+
+ for (i = 0; i < 16; i++)
+ {
+ entries[i] = 0xff000000;
+ entries[i] |= (i<<20) | (i<<16) | (i<<12) | (i<<8) | (i<<4) | i;
+ }
+ return entries;
+}
+
static HRESULT WINAPI PaletteImpl_InitializePredefined(IWICPalette *iface,
WICBitmapPaletteType type, BOOL add_transparent)
{
@@ -127,6 +144,11 @@ static HRESULT WINAPI PaletteImpl_InitializePredefined(IWICPalette *iface,
colors[3] = 0xffffffff;
break;
+ case WICBitmapPaletteTypeFixedGray16:
+ colors = generate_gray16_palette(&count);
+ if (!colors) return E_OUTOFMEMORY;
+ break;
+
default:
FIXME("(%p,%u,%d): stub\n", iface, type, add_transparent);
return E_NOTIMPL;
diff --git a/dlls/windowscodecs/tests/palette.c b/dlls/windowscodecs/tests/palette.c
index 1768e1a..aba8168 100644
--- a/dlls/windowscodecs/tests/palette.c
+++ b/dlls/windowscodecs/tests/palette.c
@@ -17,6 +17,7 @@
*/
#include <stdarg.h>
+#include <assert.h>
#define COBJMACROS
@@ -148,6 +149,19 @@ static void test_custom_palette(void)
IWICImagingFactory_Release(factory);
}
+static void generate_gray16_palette(DWORD *entries, UINT count)
+{
+ UINT i;
+
+ assert(count == 16);
+
+ for (i = 0; i < 16; i++)
+ {
+ entries[i] = 0xff000000;
+ entries[i] |= (i << 20) | (i << 16) | (i << 12) | (i << 8) | (i << 4) | i;
+ }
+}
+
static void test_predefined_palette(void)
{
static struct test_data
@@ -161,6 +175,7 @@ static void test_predefined_palette(void)
{ WICBitmapPaletteTypeFixedBW, 1, 1, 2, { 0xff000000, 0xffffffff } },
{ WICBitmapPaletteTypeFixedGray4, 0, 1, 4,
{ 0xff000000, 0xff555555, 0xffaaaaaa, 0xffffffff } },
+ { WICBitmapPaletteTypeFixedGray16, 0, 1, 16, { 0 } },
};
IWICImagingFactory *factory;
IWICPalette *palette;
@@ -210,6 +225,10 @@ static void test_predefined_palette(void)
if (ret == td[i].count)
{
UINT j;
+
+ if (td[i].type == WICBitmapPaletteTypeFixedGray16)
+ generate_gray16_palette(td[i].color, td[i].count);
+
for (j = 0; j < count; j++)
{
ok(color[j] == td[i].color[j], "%u:[%u]: expected %#x, got %#x\n",
--
1.7.11.1
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