[4/7] windowscodecs: Add support for generating WICBitmapPaletteTypeFixedGray256 palette.
Dmitry Timoshkov
dmitry at baikal.ru
Thu Jul 12 02:09:26 CDT 2012
---
dlls/windowscodecs/palette.c | 22 ++++++++++++++++++++++
dlls/windowscodecs/tests/palette.c | 16 ++++++++++++++++
2 files changed, 38 insertions(+)
diff --git a/dlls/windowscodecs/palette.c b/dlls/windowscodecs/palette.c
index 03f5774a..9d3b8ee 100644
--- a/dlls/windowscodecs/palette.c
+++ b/dlls/windowscodecs/palette.c
@@ -115,6 +115,23 @@ static WICColor *generate_gray16_palette(UINT *count)
return entries;
}
+static WICColor *generate_gray256_palette(UINT *count)
+{
+ WICColor *entries;
+ UINT i;
+
+ *count = 256;
+ entries = HeapAlloc(GetProcessHeap(), 0, 256 * sizeof(WICColor));
+ if (!entries) return NULL;
+
+ for (i = 0; i < 256; i++)
+ {
+ entries[i] = 0xff000000;
+ entries[i] |= (i<<16) | (i<<8) | i;
+ }
+ return entries;
+}
+
static HRESULT WINAPI PaletteImpl_InitializePredefined(IWICPalette *iface,
WICBitmapPaletteType type, BOOL add_transparent)
{
@@ -149,6 +166,11 @@ static HRESULT WINAPI PaletteImpl_InitializePredefined(IWICPalette *iface,
if (!colors) return E_OUTOFMEMORY;
break;
+ case WICBitmapPaletteTypeFixedGray256:
+ colors = generate_gray256_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 aba8168..ef21307 100644
--- a/dlls/windowscodecs/tests/palette.c
+++ b/dlls/windowscodecs/tests/palette.c
@@ -162,6 +162,19 @@ static void generate_gray16_palette(DWORD *entries, UINT count)
}
}
+static void generate_gray256_palette(DWORD *entries, UINT count)
+{
+ UINT i;
+
+ assert(count == 256);
+
+ for (i = 0; i < 256; i++)
+ {
+ entries[i] = 0xff000000;
+ entries[i] |= (i << 16) | (i << 8) | i;
+ }
+}
+
static void test_predefined_palette(void)
{
static struct test_data
@@ -176,6 +189,7 @@ static void test_predefined_palette(void)
{ WICBitmapPaletteTypeFixedGray4, 0, 1, 4,
{ 0xff000000, 0xff555555, 0xffaaaaaa, 0xffffffff } },
{ WICBitmapPaletteTypeFixedGray16, 0, 1, 16, { 0 } },
+ { WICBitmapPaletteTypeFixedGray256, 0, 1, 256, { 0 } },
};
IWICImagingFactory *factory;
IWICPalette *palette;
@@ -228,6 +242,8 @@ static void test_predefined_palette(void)
if (td[i].type == WICBitmapPaletteTypeFixedGray16)
generate_gray16_palette(td[i].color, td[i].count);
+ else if (td[i].type == WICBitmapPaletteTypeFixedGray256)
+ generate_gray256_palette(td[i].color, td[i].count);
for (j = 0; j < count; j++)
{
--
1.7.11.1
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