Alexandre Julliard : gdi32: Add a helper to build a color table from the DIB_PAL_COLORS bitmap info.
Module: wine Branch: master Commit: 91d19b4b1733cad4642ea91ecf20e460a2041c4f URL: http://source.winehq.org/git/wine.git/?a=commit;h=91d19b4b1733cad4642ea91ecf... Author: Alexandre Julliard <julliard(a)winehq.org> Date: Thu Dec 8 21:31:59 2011 +0100 gdi32: Add a helper to build a color table from the DIB_PAL_COLORS bitmap info. --- dlls/gdi32/dib.c | 42 ++++++++++++++++++++++++++---------------- dlls/gdi32/dibdrv/dc.c | 14 ++------------ dlls/gdi32/dibdrv/dibdrv.h | 2 +- dlls/gdi32/dibdrv/objects.c | 3 +-- dlls/gdi32/gdi_private.h | 1 + 5 files changed, 31 insertions(+), 31 deletions(-) diff --git a/dlls/gdi32/dib.c b/dlls/gdi32/dib.c index ed5eea7..d870582 100644 --- a/dlls/gdi32/dib.c +++ b/dlls/gdi32/dib.c @@ -233,6 +233,28 @@ static int fill_color_table_from_palette( BITMAPINFO *info, HDC hdc ) return colors; } +int fill_color_table_from_pal_colors( HDC hdc, const BITMAPINFO *info, RGBQUAD *color_table ) +{ + PALETTEENTRY entries[256]; + HPALETTE palette; + const WORD *index = (const WORD *)info->bmiColors; + int i, count, colors = get_dib_num_of_colors( info ); + + if (!colors) return 0; + if (!(palette = GetCurrentObject( hdc, OBJ_PAL ))) return 0; + if (!(count = GetPaletteEntries( palette, 0, colors, entries ))) return 0; + + for (i = 0; i < colors; i++, index++) + { + PALETTEENTRY *entry = &entries[*index % count]; + color_table[i].rgbRed = entry->peRed; + color_table[i].rgbGreen = entry->peGreen; + color_table[i].rgbBlue = entry->peBlue; + color_table[i].rgbReserved = 0; + } + return colors; +} + static void *get_pixel_ptr( const BITMAPINFO *info, void *bits, int x, int y ) { const int width = info->bmiHeader.biWidth, height = info->bmiHeader.biHeight; @@ -1383,11 +1405,10 @@ HBITMAP WINAPI CreateDIBitmap( HDC hdc, const BITMAPINFOHEADER *header, } /* Copy/synthesize RGB palette from BITMAPINFO */ -static void DIB_CopyColorTable( DC *dc, BITMAPOBJ *bmp, WORD coloruse, const BITMAPINFO *info ) +static void DIB_CopyColorTable( HDC hdc, BITMAPOBJ *bmp, WORD coloruse, const BITMAPINFO *info ) { - unsigned int colors, i; + unsigned int colors = get_dib_num_of_colors( info ); - colors = get_dib_num_of_colors( info ); if (!(bmp->color_table = HeapAlloc(GetProcessHeap(), 0, colors * sizeof(RGBQUAD) ))) return; bmp->nb_colors = colors; @@ -1397,18 +1418,7 @@ static void DIB_CopyColorTable( DC *dc, BITMAPOBJ *bmp, WORD coloruse, const BIT } else { - PALETTEENTRY entries[256]; - const WORD *index = (const WORD *)info->bmiColors; - UINT count = GetPaletteEntries( dc->hPalette, 0, colors, entries ); - - for (i = 0; i < colors; i++, index++) - { - PALETTEENTRY *entry = &entries[*index % count]; - bmp->color_table[i].rgbRed = entry->peRed; - bmp->color_table[i].rgbGreen = entry->peGreen; - bmp->color_table[i].rgbBlue = entry->peBlue; - bmp->color_table[i].rgbReserved = 0; - } + fill_color_table_from_pal_colors( hdc, info, bmp->color_table ); } } @@ -1521,7 +1531,7 @@ HBITMAP WINAPI CreateDIBSection(HDC hdc, CONST BITMAPINFO *bmi, UINT usage, bmp->dib = dib; bmp->funcs = physdev->funcs; /* create local copy of DIB palette */ - if (info->bmiHeader.biBitCount <= 8) DIB_CopyColorTable( dc, bmp, usage, info ); + if (info->bmiHeader.biBitCount <= 8) DIB_CopyColorTable( hdc, bmp, usage, info ); GDI_ReleaseObj( ret ); if (!physdev->funcs->pCreateDIBSection( physdev, ret, info, usage )) diff --git a/dlls/gdi32/dibdrv/dc.c b/dlls/gdi32/dibdrv/dc.c index b9308bf..12d1168 100644 --- a/dlls/gdi32/dibdrv/dc.c +++ b/dlls/gdi32/dibdrv/dc.c @@ -162,7 +162,7 @@ static BOOL init_dib_info(dib_info *dib, const BITMAPINFOHEADER *bi, const DWORD return TRUE; } -BOOL init_dib_info_from_brush(dib_info *dib, const BITMAPINFO *bi, void *bits, UINT usage, HPALETTE palette) +BOOL init_dib_info_from_brush(dib_info *dib, const BITMAPINFO *bi, void *bits, UINT usage, HDC hdc) { DWORD *masks = (bi->bmiHeader.biCompression == BI_BITFIELDS) ? (DWORD *)bi->bmiColors : NULL; RGBQUAD *color_table = NULL, pal_table[256]; @@ -172,17 +172,7 @@ BOOL init_dib_info_from_brush(dib_info *dib, const BITMAPINFO *bi, void *bits, U { if(usage == DIB_PAL_COLORS) { - PALETTEENTRY entries[256]; - const WORD *index = (const WORD *)bi->bmiColors; - UINT i, count = GetPaletteEntries( palette, 0, num_colors, entries ); - for (i = 0; i < num_colors; i++, index++) - { - PALETTEENTRY *entry = &entries[*index % count]; - pal_table[i].rgbRed = entry->peRed; - pal_table[i].rgbGreen = entry->peGreen; - pal_table[i].rgbBlue = entry->peBlue; - pal_table[i].rgbReserved = 0; - } + fill_color_table_from_pal_colors( hdc, bi, pal_table ); color_table = pal_table; } else color_table = (RGBQUAD *)bi->bmiColors; diff --git a/dlls/gdi32/dibdrv/dibdrv.h b/dlls/gdi32/dibdrv/dibdrv.h index 28633e0..1bf0696 100644 --- a/dlls/gdi32/dibdrv/dibdrv.h +++ b/dlls/gdi32/dibdrv/dibdrv.h @@ -224,7 +224,7 @@ extern void get_rop_codes(INT rop, struct rop_codes *codes) DECLSPEC_HIDDEN; extern void calc_and_xor_masks(INT rop, DWORD color, DWORD *and, DWORD *xor) DECLSPEC_HIDDEN; extern void update_brush_rop( dibdrv_physdev *pdev, INT rop ) DECLSPEC_HIDDEN; extern void reset_dash_origin(dibdrv_physdev *pdev) DECLSPEC_HIDDEN; -extern BOOL init_dib_info_from_brush(dib_info *dib, const BITMAPINFO *bi, void *bits, UINT usage, HPALETTE pal) DECLSPEC_HIDDEN; +extern BOOL init_dib_info_from_brush(dib_info *dib, const BITMAPINFO *bi, void *bits, UINT usage, HDC hdc) DECLSPEC_HIDDEN; extern BOOL init_dib_info_from_bitmapinfo(dib_info *dib, const BITMAPINFO *info, void *bits, enum dib_info_flags flags) DECLSPEC_HIDDEN; extern BOOL init_dib_info_from_bitmapobj(dib_info *dib, BITMAPOBJ *bmp, enum dib_info_flags flags) DECLSPEC_HIDDEN; diff --git a/dlls/gdi32/dibdrv/objects.c b/dlls/gdi32/dibdrv/objects.c index 0baafdb..9c85094 100644 --- a/dlls/gdi32/dibdrv/objects.c +++ b/dlls/gdi32/dibdrv/objects.c @@ -1338,9 +1338,8 @@ static BOOL pattern_brush(dibdrv_physdev *pdev, dib_info *dib, int num, const RE if (pdev->brush_pattern_usage == DIB_PAL_COLORS) { dib_info pattern; - HPALETTE pal = GetCurrentObject( pdev->dev.hdc, OBJ_PAL ); if (!init_dib_info_from_brush( &pattern, pdev->brush_pattern_info, - pdev->brush_pattern_bits, DIB_PAL_COLORS, pal )) + pdev->brush_pattern_bits, DIB_PAL_COLORS, pdev->dev.hdc )) return FALSE; select_pattern_brush( pdev, &pattern ); free_dib_info( &pattern ); diff --git a/dlls/gdi32/gdi_private.h b/dlls/gdi32/gdi_private.h index 56fc96d..2bed05b 100644 --- a/dlls/gdi32/gdi_private.h +++ b/dlls/gdi32/gdi_private.h @@ -235,6 +235,7 @@ extern void DC_UpdateXforms( DC * dc ) DECLSPEC_HIDDEN; /* dib.c */ extern int bitmap_info_size( const BITMAPINFO * info, WORD coloruse ) DECLSPEC_HIDDEN; +extern int fill_color_table_from_pal_colors( HDC hdc, const BITMAPINFO *info, RGBQUAD *color_table ) DECLSPEC_HIDDEN; extern void fill_default_color_table( BITMAPINFO *info ) DECLSPEC_HIDDEN; extern void get_ddb_bitmapinfo( BITMAPOBJ *bmp, BITMAPINFO *info ) DECLSPEC_HIDDEN; extern BITMAPINFO *copy_packed_dib( const BITMAPINFO *src_info, UINT usage ) DECLSPEC_HIDDEN;
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Alexandre Julliard