Module: wine Branch: master Commit: d4076d438cb5ff05f6800cdaae7ac88844e70595 URL: http://source.winehq.org/git/wine.git/?a=commit;h=d4076d438cb5ff05f6800cdaae...
Author: Huw Davies huw@codeweavers.com Date: Tue Aug 2 14:11:10 2011 +0100
gdi32: Add a PutImage implementation to the dib driver.
---
dlls/gdi32/dibdrv/dc.c | 187 +++++++++++++++++++++++++++++++++++++++++++++++- 1 files changed, 186 insertions(+), 1 deletions(-)
diff --git a/dlls/gdi32/dibdrv/dc.c b/dlls/gdi32/dibdrv/dc.c index dacd40b..d9a2443 100644 --- a/dlls/gdi32/dibdrv/dc.c +++ b/dlls/gdi32/dibdrv/dc.c @@ -293,6 +293,33 @@ static void update_masks( dibdrv_physdev *pdev, INT rop ) calc_and_xor_masks( rop, pdev->bkgnd_color, &pdev->bkgnd_and, &pdev->bkgnd_xor ); }
+ /*********************************************************************** + * add_extra_clipping_region + * + * Temporarily add a region to the current clipping region. + * The returned region must be restored with restore_clipping_region. + */ +static HRGN add_extra_clipping_region( dibdrv_physdev *pdev, HRGN rgn ) +{ + HRGN ret, clip; + + if (!(clip = CreateRectRgn( 0, 0, 0, 0 ))) return 0; + CombineRgn( clip, pdev->clip, rgn, RGN_AND ); + ret = pdev->clip; + pdev->clip = clip; + return ret; +} + +/*********************************************************************** + * restore_clipping_region + */ +static void restore_clipping_region( dibdrv_physdev *pdev, HRGN rgn ) +{ + if (!rgn) return; + DeleteObject( pdev->clip ); + pdev->clip = rgn; +} + /*********************************************************************** * dibdrv_DeleteDC */ @@ -433,6 +460,164 @@ static DWORD dibdrv_GetImage( PHYSDEV dev, HBITMAP hbitmap, BITMAPINFO *info, return ERROR_SUCCESS; }
+static BOOL matching_color_info( const dib_info *dib, const BITMAPINFO *info ) +{ + switch (info->bmiHeader.biBitCount) + { + case 1: + case 4: + case 8: + { + RGBQUAD *color_table = (RGBQUAD *)((char *)info + info->bmiHeader.biSize); + if (dib->color_table_size != info->bmiHeader.biClrUsed ) return FALSE; + return memcmp( color_table, dib->color_table, dib->color_table_size * sizeof(RGBQUAD) ); + } + + case 16: + { + DWORD *masks = (DWORD *)info->bmiColors; + if (info->bmiHeader.biCompression == BI_RGB) return dib->funcs == &funcs_555; + if (info->bmiHeader.biCompression == BI_BITFIELDS) + return masks[0] == dib->red_mask && masks[1] == dib->green_mask && masks[2] == dib->blue_mask; + break; + } + + case 24: + return TRUE; + + case 32: + { + DWORD *masks = (DWORD *)info->bmiColors; + if (info->bmiHeader.biCompression == BI_RGB) return dib->funcs == &funcs_8888; + if (info->bmiHeader.biCompression == BI_BITFIELDS) + return masks[0] == dib->red_mask && masks[1] == dib->green_mask && masks[2] == dib->blue_mask; + break; + } + + } + + return FALSE; +} + +static inline BOOL rop_uses_pat(DWORD rop) +{ + return ((rop >> 4) & 0x0f0000) != (rop & 0x0f0000); +} + +/*********************************************************************** + * dibdrv_PutImage + */ +static DWORD dibdrv_PutImage( PHYSDEV dev, HBITMAP hbitmap, HRGN clip, BITMAPINFO *info, + const struct gdi_image_bits *bits, struct bitblt_coords *src, + struct bitblt_coords *dst, DWORD rop ) +{ + dib_info *dib, stand_alone; + DWORD ret; + RECT rect; + POINT origin; + dib_info src_dib; + HRGN total_clip, saved_clip = NULL; + dibdrv_physdev *pdev = NULL; + const WINEREGION *clip_data; + int i, rop2; + + TRACE( "%p %p %p\n", dev, hbitmap, info ); + + if (!hbitmap && rop_uses_pat( rop )) + { + PHYSDEV next = GET_NEXT_PHYSDEV( dev, pPutImage ); + FIXME( "rop %08x unsupported, forwarding to graphics driver\n", rop ); + return next->funcs->pPutImage( next, 0, clip, info, bits, src, dst, rop ); + } + + if (hbitmap) + { + BITMAPOBJ *bmp = GDI_GetObjPtr( hbitmap, OBJ_BITMAP ); + + if (!bmp) return ERROR_INVALID_HANDLE; + assert(bmp->dib); + + if (!init_dib_info( &stand_alone, &bmp->dib->dsBmih, bmp->dib->dsBitfields, + bmp->color_table, bmp->nb_colors, bmp->dib->dsBm.bmBits, 0 )) + { + ret = ERROR_BAD_FORMAT; + goto done; + } + dib = &stand_alone; + } + else + dib = &pdev->dib; + + if (info->bmiHeader.biPlanes != 1) goto update_format; + if (info->bmiHeader.biBitCount != dib->bit_count) goto update_format; + if (!matching_color_info( dib, info )) goto update_format; + if (!bits) + { + ret = ERROR_SUCCESS; + goto done; + } + if ((src->width != dst->width) || (src->height != dst->height)) + { + ret = ERROR_TRANSFORM_NOT_SUPPORTED; + goto done; + } + + init_dib_info_from_bitmapinfo( &src_dib, info, bits->ptr, 0 ); + + rect.left = dst->x; + rect.top = dst->y; + rect.right = dst->x + dst->width; + rect.bottom = dst->y + dst->height; + origin.x = src->x; + origin.y = src->y; + + if (hbitmap) + { + total_clip = clip; + rop2 = R2_COPYPEN; + } + else + { + if (clip) saved_clip = add_extra_clipping_region( pdev, clip ); + total_clip = pdev->clip; + rop2 = ((rop >> 16) & 0xf) + 1; + } + + if (total_clip == NULL) dib->funcs->copy_rect( dib, &rect, &src_dib, &origin, rop2 ); + else + { + clip_data = get_wine_region( total_clip ); + for (i = 0; i < clip_data->numRects; i++) + { + RECT clipped_rect; + + if (intersect_rect( &clipped_rect, &rect, clip_data->rects + i )) + { + origin.x = src->x + clipped_rect.left - dst->x; + origin.y = src->y + clipped_rect.top - dst->y; + dib->funcs->copy_rect( dib, &clipped_rect, &src_dib, &origin, rop2 ); + } + } + release_wine_region( total_clip ); + } + ret = ERROR_SUCCESS; + + if (saved_clip) restore_clipping_region( pdev, saved_clip ); + + goto done; + +update_format: + info->bmiHeader.biPlanes = 1; + info->bmiHeader.biBitCount = dib->bit_count; + set_color_info( dib, info ); + ret = ERROR_BAD_FORMAT; + +done: + if (hbitmap) GDI_ReleaseObj( hbitmap ); + + return ret; +} + /*********************************************************************** * dibdrv_SelectBitmap */ @@ -619,7 +804,7 @@ const DC_FUNCTIONS dib_driver = NULL, /* pPolygon */ NULL, /* pPolyline */ NULL, /* pPolylineTo */ - NULL, /* pPutImage */ + dibdrv_PutImage, /* pPutImage */ NULL, /* pRealizeDefaultPalette */ NULL, /* pRealizePalette */ dibdrv_Rectangle, /* pRectangle */