gdi32: Add support for 16 bpp dibs.
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68d07efabc
commit
18a96edf69
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@ -66,6 +66,7 @@ static void init_bit_fields(dib_info *dib, const DWORD *bit_fields)
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static BOOL init_dib_info(dib_info *dib, const BITMAPINFOHEADER *bi, const DWORD *bit_fields, void *bits)
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{
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static const DWORD bit_fields_888[3] = {0xff0000, 0x00ff00, 0x0000ff};
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static const DWORD bit_fields_555[3] = {0x7c00, 0x03e0, 0x001f};
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dib->bit_count = bi->biBitCount;
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dib->width = bi->biWidth;
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@ -100,6 +101,18 @@ static BOOL init_dib_info(dib_info *dib, const BITMAPINFOHEADER *bi, const DWORD
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dib->funcs = &funcs_32;
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break;
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case 16:
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if(bi->biCompression == BI_RGB)
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bit_fields = bit_fields_555;
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init_bit_fields(dib, bit_fields);
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if(dib->red_mask == 0x7c00 && dib->green_mask == 0x03e0 && dib->blue_mask == 0x001f)
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dib->funcs = &funcs_555;
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else
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dib->funcs = &funcs_16;
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break;
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default:
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TRACE("bpp %d not supported, will forward to graphics driver.\n", dib->bit_count);
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return FALSE;
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@ -46,6 +46,8 @@ typedef struct primitive_funcs
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extern const primitive_funcs funcs_8888 DECLSPEC_HIDDEN;
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extern const primitive_funcs funcs_32 DECLSPEC_HIDDEN;
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extern const primitive_funcs funcs_555 DECLSPEC_HIDDEN;
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extern const primitive_funcs funcs_16 DECLSPEC_HIDDEN;
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extern const primitive_funcs funcs_null DECLSPEC_HIDDEN;
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extern void calc_and_xor_masks(INT rop, DWORD color, DWORD *and, DWORD *xor) DECLSPEC_HIDDEN;
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@ -26,11 +26,21 @@ static inline DWORD *get_pixel_ptr_32(const dib_info *dib, int x, int y)
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return (DWORD *)((BYTE*)dib->bits + y * dib->stride + x * 4);
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}
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static inline WORD *get_pixel_ptr_16(const dib_info *dib, int x, int y)
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{
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return (WORD *)((BYTE*)dib->bits + y * dib->stride + x * 2);
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}
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static inline void do_rop_32(DWORD *ptr, DWORD and, DWORD xor)
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{
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*ptr = (*ptr & and) ^ xor;
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}
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static inline void do_rop_16(WORD *ptr, WORD and, WORD xor)
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{
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*ptr = (*ptr & and) ^ xor;
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}
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static void solid_rects_32(const dib_info *dib, int num, const RECT *rc, DWORD and, DWORD xor)
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{
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DWORD *ptr, *start;
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@ -38,13 +48,27 @@ static void solid_rects_32(const dib_info *dib, int num, const RECT *rc, DWORD a
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for(i = 0; i < num; i++, rc++)
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{
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start = ptr = get_pixel_ptr_32(dib, rc->left, rc->top);
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start = get_pixel_ptr_32(dib, rc->left, rc->top);
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for(y = rc->top; y < rc->bottom; y++, start += dib->stride / 4)
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for(x = rc->left, ptr = start; x < rc->right; x++)
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do_rop_32(ptr++, and, xor);
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}
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}
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static void solid_rects_16(const dib_info *dib, int num, const RECT *rc, DWORD and, DWORD xor)
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{
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WORD *ptr, *start;
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int x, y, i;
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for(i = 0; i < num; i++, rc++)
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{
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start = get_pixel_ptr_16(dib, rc->left, rc->top);
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for(y = rc->top; y < rc->bottom; y++, start += dib->stride / 2)
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for(x = rc->left, ptr = start; x < rc->right; x++)
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do_rop_16(ptr++, and, xor);
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}
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}
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static void solid_rects_null(const dib_info *dib, int num, const RECT *rc, DWORD and, DWORD xor)
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{
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return;
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@ -120,6 +144,52 @@ static void pattern_rects_32(const dib_info *dib, int num, const RECT *rc, const
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}
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}
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static void pattern_rects_16(const dib_info *dib, int num, const RECT *rc, const POINT *origin,
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const dib_info *brush, void *and_bits, void *xor_bits)
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{
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WORD *ptr, *start, *start_and, *and_ptr, *start_xor, *xor_ptr;
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int x, y, i;
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POINT offset;
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for(i = 0; i < num; i++, rc++)
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{
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offset = calc_brush_offset(rc, brush, origin);
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start = get_pixel_ptr_16(dib, rc->left, rc->top);
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start_and = (WORD*)and_bits + offset.y * brush->stride / 2;
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start_xor = (WORD*)xor_bits + offset.y * brush->stride / 2;
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for(y = rc->top; y < rc->bottom; y++, start += dib->stride / 2)
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{
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and_ptr = start_and + offset.x;
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xor_ptr = start_xor + offset.x;
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for(x = rc->left, ptr = start; x < rc->right; x++)
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{
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do_rop_16(ptr++, *and_ptr++, *xor_ptr++);
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if(and_ptr == start_and + brush->width)
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{
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and_ptr = start_and;
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xor_ptr = start_xor;
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}
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}
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offset.y++;
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if(offset.y == brush->height)
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{
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start_and = and_bits;
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start_xor = xor_bits;
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offset.y = 0;
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}
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else
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{
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start_and += brush->stride / 2;
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start_xor += brush->stride / 2;
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}
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}
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}
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}
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static void pattern_rects_null(const dib_info *dib, int num, const RECT *rc, const POINT *origin,
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const dib_info *brush, void *and_bits, void *xor_bits)
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{
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@ -156,6 +226,12 @@ static DWORD colorref_to_pixel_masks(const dib_info *dib, COLORREF colour)
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put_field(b, dib->blue_shift, dib->blue_len);
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}
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static DWORD colorref_to_pixel_555(const dib_info *dib, COLORREF color)
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{
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return ( ((color >> 19) & 0x1f) | ((color >> 6) & 0x03e0) | ((color << 7) & 0x7c00) );
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}
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static DWORD colorref_to_pixel_null(const dib_info *dib, COLORREF color)
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{
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return 0;
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@ -175,6 +251,20 @@ const primitive_funcs funcs_32 =
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colorref_to_pixel_masks
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};
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const primitive_funcs funcs_555 =
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{
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solid_rects_16,
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pattern_rects_16,
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colorref_to_pixel_555
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};
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const primitive_funcs funcs_16 =
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{
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solid_rects_16,
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pattern_rects_16,
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colorref_to_pixel_masks
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};
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const primitive_funcs funcs_null =
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{
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solid_rects_null,
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@ -99,6 +99,31 @@ static const char *sha1_graphics_a8r8g8b8[] =
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NULL
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};
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static const char *sha1_graphics_r5g5b5[] =
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{
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"2a2ab8b3c019e70b788ade028b0e9e53ffc529ae",
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"847005cf7371f511bcc837251cde07b1796f6113",
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"a8f75743a930843ec14d516cd048b6e0468e5d89",
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"d094f51ce9b9daa9c1d9594ea88be2a2db651459",
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"cf3928e240c9149788e1635b115a4e5baea0dd8f",
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"a9034a905daa91757b4f63345c0e40638cd53ca8",
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"15ee915d989e49bb9bab5b834d8f355bd067cd8f",
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"99474fecf11df7b7035c35be6b8b697be9889418",
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"cbc2898717f97ebb07c0c7cc04abde936dc5b584",
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"29c896b591fdf4ddd23e5c0da1818c37e4686d94",
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"4b5b275d33c1ebfe5bdc61df2ad125e865b800fa",
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"92df731fa1f89550d9d4f7ea36c13f2e57c4b02a",
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"420e39ff3bdd04c4b6cc2c98e99cb7993c7a0de5",
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"1fabf0fdd046857b1974e31c1c1764fa9d1a762f",
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"449092689226a1172b6086ba1181d6b6d6499f26",
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"5c636ffadec10fbe440b552fe6436f3dbc607dcf",
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"4aac89fc18c128eddb69eea658272af53138a1cb",
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"3a50ce21b3563a604b4fc9f247a30f5a981f1ba6",
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"d7d97e28ed316f6596c737eb83baa5948d86b673",
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"ecc2991277d7314f55b00e0f284ae3703aeef81e",
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NULL
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};
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static inline DWORD get_stride(BITMAPINFO *bmi)
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{
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return ((bmi->bmiHeader.biBitCount * bmi->bmiHeader.biWidth + 31) >> 3) & ~3;
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@ -623,6 +648,7 @@ static void test_simple_graphics(void)
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/* r5g5b5 */
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trace("555\n");
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bmi->bmiHeader.biBitCount = 16;
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bmi->bmiHeader.biCompression = BI_RGB;
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@ -635,6 +661,12 @@ static void test_simple_graphics(void)
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todo_wine
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ok(ds.dsBmih.biCompression == BI_BITFIELDS, "got %x\n", ds.dsBmih.biCompression);
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orig_bm = SelectObject(mem_dc, dib);
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sha1 = sha1_graphics_r5g5b5;
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draw_graphics(mem_dc, bmi, bits, &sha1);
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SelectObject(mem_dc, orig_bm);
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DeleteObject(dib);
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DeleteDC(mem_dc);
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