windowscodecs: Add support for generating WICBitmapPaletteTypeFixedHalftone125 palette.
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@ -210,6 +210,28 @@ static WICColor *generate_halftone64_palette(UINT *count)
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return entries;
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return entries;
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}
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}
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static WICColor *generate_halftone125_palette(UINT *count)
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{
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WICColor *entries;
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UINT i;
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*count = 126;
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entries = HeapAlloc(GetProcessHeap(), 0, 126 * sizeof(WICColor));
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if (!entries) return NULL;
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for (i = 0; i < 125; i++)
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{
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static const BYTE halftone_values[5] = { 0x00,0x40,0x80,0xbf,0xff };
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entries[i] = 0xff000000;
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entries[i] |= halftone_values[i%5];
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entries[i] |= halftone_values[(i/5)%5] << 8;
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entries[i] |= halftone_values[(i/25)%5] << 16;
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}
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entries[i] = 0xffc0c0c0;
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return entries;
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}
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static WICColor *generate_halftone256_palette(UINT *count)
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static WICColor *generate_halftone256_palette(UINT *count)
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{
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{
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WICColor *entries;
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WICColor *entries;
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@ -285,6 +307,11 @@ static HRESULT WINAPI PaletteImpl_InitializePredefined(IWICPalette *iface,
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if (!colors) return E_OUTOFMEMORY;
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if (!colors) return E_OUTOFMEMORY;
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break;
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break;
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case WICBitmapPaletteTypeFixedHalftone125:
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colors = generate_halftone125_palette(&count);
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if (!colors) return E_OUTOFMEMORY;
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break;
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case WICBitmapPaletteTypeFixedHalftone256:
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case WICBitmapPaletteTypeFixedHalftone256:
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colors = generate_halftone256_palette(&count);
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colors = generate_halftone256_palette(&count);
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if (!colors) return E_OUTOFMEMORY;
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if (!colors) return E_OUTOFMEMORY;
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@ -241,6 +241,24 @@ static void generate_halftone64_palette(DWORD *entries, UINT count)
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}
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}
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}
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}
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static void generate_halftone125_palette(DWORD *entries, UINT count)
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{
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static const BYTE halftone_values[5] = { 0x00,0x40,0x80,0xbf,0xff };
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UINT i;
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assert(count == 126);
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for (i = 0; i < 125; i++)
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{
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entries[i] = 0xff000000;
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entries[i] |= halftone_values[i%5];
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entries[i] |= halftone_values[(i/5)%5] << 8;
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entries[i] |= halftone_values[(i/25)%5] << 16;
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}
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entries[i] = 0xffc0c0c0;
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}
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static void generate_halftone256_palette(DWORD *entries, UINT count)
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static void generate_halftone256_palette(DWORD *entries, UINT count)
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{
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{
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static const BYTE halftone_values_b[4] = { 0x00,0x55,0xaa,0xff };
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static const BYTE halftone_values_b[4] = { 0x00,0x55,0xaa,0xff };
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@ -276,6 +294,7 @@ static void test_predefined_palette(void)
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{ WICBitmapPaletteTypeFixedHalftone8, 0, 0, 16, { 0 } },
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{ WICBitmapPaletteTypeFixedHalftone8, 0, 0, 16, { 0 } },
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{ WICBitmapPaletteTypeFixedHalftone27, 0, 0, 28, { 0 } },
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{ WICBitmapPaletteTypeFixedHalftone27, 0, 0, 28, { 0 } },
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{ WICBitmapPaletteTypeFixedHalftone64, 0, 0, 72, { 0 } },
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{ WICBitmapPaletteTypeFixedHalftone64, 0, 0, 72, { 0 } },
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{ WICBitmapPaletteTypeFixedHalftone125, 0, 0, 126, { 0 } },
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{ WICBitmapPaletteTypeFixedHalftone256, 0, 0, 256, { 0 } },
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{ WICBitmapPaletteTypeFixedHalftone256, 0, 0, 256, { 0 } },
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};
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};
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IWICImagingFactory *factory;
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IWICImagingFactory *factory;
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@ -337,6 +356,8 @@ static void test_predefined_palette(void)
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generate_halftone27_palette(td[i].color, td[i].count);
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generate_halftone27_palette(td[i].color, td[i].count);
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else if (td[i].type == WICBitmapPaletteTypeFixedHalftone64)
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else if (td[i].type == WICBitmapPaletteTypeFixedHalftone64)
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generate_halftone64_palette(td[i].color, td[i].count);
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generate_halftone64_palette(td[i].color, td[i].count);
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else if (td[i].type == WICBitmapPaletteTypeFixedHalftone125)
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generate_halftone125_palette(td[i].color, td[i].count);
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else if (td[i].type == WICBitmapPaletteTypeFixedHalftone256)
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else if (td[i].type == WICBitmapPaletteTypeFixedHalftone256)
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generate_halftone256_palette(td[i].color, td[i].count);
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generate_halftone256_palette(td[i].color, td[i].count);
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