gdi32: Add a PutImage implementation to the dib driver.
This commit is contained in:
Huw Davies
Alexandre Julliard
parent
1da138ced0
commit
d4076d438c
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@ -293,6 +293,33 @@ static void update_masks( dibdrv_physdev *pdev, INT rop )
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calc_and_xor_masks( rop, pdev->bkgnd_color, &pdev->bkgnd_and, &pdev->bkgnd_xor );
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}
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/***********************************************************************
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* add_extra_clipping_region
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*
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* Temporarily add a region to the current clipping region.
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* The returned region must be restored with restore_clipping_region.
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*/
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static HRGN add_extra_clipping_region( dibdrv_physdev *pdev, HRGN rgn )
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{
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HRGN ret, clip;
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if (!(clip = CreateRectRgn( 0, 0, 0, 0 ))) return 0;
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CombineRgn( clip, pdev->clip, rgn, RGN_AND );
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ret = pdev->clip;
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pdev->clip = clip;
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return ret;
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}
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/***********************************************************************
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* restore_clipping_region
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*/
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static void restore_clipping_region( dibdrv_physdev *pdev, HRGN rgn )
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{
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if (!rgn) return;
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DeleteObject( pdev->clip );
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pdev->clip = rgn;
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}
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/***********************************************************************
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* dibdrv_DeleteDC
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*/
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@ -433,6 +460,164 @@ static DWORD dibdrv_GetImage( PHYSDEV dev, HBITMAP hbitmap, BITMAPINFO *info,
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return ERROR_SUCCESS;
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}
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static BOOL matching_color_info( const dib_info *dib, const BITMAPINFO *info )
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{
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switch (info->bmiHeader.biBitCount)
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{
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case 1:
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case 4:
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case 8:
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{
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RGBQUAD *color_table = (RGBQUAD *)((char *)info + info->bmiHeader.biSize);
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if (dib->color_table_size != info->bmiHeader.biClrUsed ) return FALSE;
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return memcmp( color_table, dib->color_table, dib->color_table_size * sizeof(RGBQUAD) );
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}
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case 16:
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{
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DWORD *masks = (DWORD *)info->bmiColors;
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if (info->bmiHeader.biCompression == BI_RGB) return dib->funcs == &funcs_555;
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if (info->bmiHeader.biCompression == BI_BITFIELDS)
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return masks[0] == dib->red_mask && masks[1] == dib->green_mask && masks[2] == dib->blue_mask;
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break;
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}
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case 24:
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return TRUE;
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case 32:
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{
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DWORD *masks = (DWORD *)info->bmiColors;
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if (info->bmiHeader.biCompression == BI_RGB) return dib->funcs == &funcs_8888;
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if (info->bmiHeader.biCompression == BI_BITFIELDS)
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return masks[0] == dib->red_mask && masks[1] == dib->green_mask && masks[2] == dib->blue_mask;
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break;
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}
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}
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return FALSE;
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}
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static inline BOOL rop_uses_pat(DWORD rop)
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{
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return ((rop >> 4) & 0x0f0000) != (rop & 0x0f0000);
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}
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/***********************************************************************
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* dibdrv_PutImage
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*/
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static DWORD dibdrv_PutImage( PHYSDEV dev, HBITMAP hbitmap, HRGN clip, BITMAPINFO *info,
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const struct gdi_image_bits *bits, struct bitblt_coords *src,
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struct bitblt_coords *dst, DWORD rop )
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{
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dib_info *dib, stand_alone;
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DWORD ret;
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RECT rect;
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POINT origin;
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dib_info src_dib;
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HRGN total_clip, saved_clip = NULL;
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dibdrv_physdev *pdev = NULL;
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const WINEREGION *clip_data;
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int i, rop2;
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TRACE( "%p %p %p\n", dev, hbitmap, info );
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if (!hbitmap && rop_uses_pat( rop ))
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{
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PHYSDEV next = GET_NEXT_PHYSDEV( dev, pPutImage );
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FIXME( "rop %08x unsupported, forwarding to graphics driver\n", rop );
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return next->funcs->pPutImage( next, 0, clip, info, bits, src, dst, rop );
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}
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if (hbitmap)
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{
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BITMAPOBJ *bmp = GDI_GetObjPtr( hbitmap, OBJ_BITMAP );
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if (!bmp) return ERROR_INVALID_HANDLE;
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assert(bmp->dib);
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if (!init_dib_info( &stand_alone, &bmp->dib->dsBmih, bmp->dib->dsBitfields,
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bmp->color_table, bmp->nb_colors, bmp->dib->dsBm.bmBits, 0 ))
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{
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ret = ERROR_BAD_FORMAT;
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goto done;
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}
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dib = &stand_alone;
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}
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else
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dib = &pdev->dib;
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if (info->bmiHeader.biPlanes != 1) goto update_format;
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if (info->bmiHeader.biBitCount != dib->bit_count) goto update_format;
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if (!matching_color_info( dib, info )) goto update_format;
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if (!bits)
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{
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ret = ERROR_SUCCESS;
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goto done;
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}
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if ((src->width != dst->width) || (src->height != dst->height))
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{
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ret = ERROR_TRANSFORM_NOT_SUPPORTED;
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goto done;
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}
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init_dib_info_from_bitmapinfo( &src_dib, info, bits->ptr, 0 );
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rect.left = dst->x;
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rect.top = dst->y;
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rect.right = dst->x + dst->width;
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rect.bottom = dst->y + dst->height;
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origin.x = src->x;
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origin.y = src->y;
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if (hbitmap)
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{
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total_clip = clip;
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rop2 = R2_COPYPEN;
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}
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else
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{
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if (clip) saved_clip = add_extra_clipping_region( pdev, clip );
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total_clip = pdev->clip;
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rop2 = ((rop >> 16) & 0xf) + 1;
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}
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if (total_clip == NULL) dib->funcs->copy_rect( dib, &rect, &src_dib, &origin, rop2 );
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else
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{
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clip_data = get_wine_region( total_clip );
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for (i = 0; i < clip_data->numRects; i++)
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{
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RECT clipped_rect;
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if (intersect_rect( &clipped_rect, &rect, clip_data->rects + i ))
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{
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origin.x = src->x + clipped_rect.left - dst->x;
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origin.y = src->y + clipped_rect.top - dst->y;
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dib->funcs->copy_rect( dib, &clipped_rect, &src_dib, &origin, rop2 );
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}
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}
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release_wine_region( total_clip );
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}
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ret = ERROR_SUCCESS;
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if (saved_clip) restore_clipping_region( pdev, saved_clip );
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goto done;
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update_format:
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info->bmiHeader.biPlanes = 1;
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info->bmiHeader.biBitCount = dib->bit_count;
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set_color_info( dib, info );
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ret = ERROR_BAD_FORMAT;
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done:
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if (hbitmap) GDI_ReleaseObj( hbitmap );
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return ret;
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}
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/***********************************************************************
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* dibdrv_SelectBitmap
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*/
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@ -619,7 +804,7 @@ const DC_FUNCTIONS dib_driver =
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NULL, /* pPolygon */
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NULL, /* pPolyline */
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NULL, /* pPolylineTo */
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NULL, /* pPutImage */
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dibdrv_PutImage, /* pPutImage */
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NULL, /* pRealizeDefaultPalette */
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NULL, /* pRealizePalette */
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dibdrv_Rectangle, /* pRectangle */
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