Huw Davies : gdi32: Add a PutImage implementation to the dib driver.
Alexandre Julliard
julliard at winehq.org
Tue Aug 2 14:18:28 CDT 2011
Module: wine
Branch: master
Commit: d4076d438cb5ff05f6800cdaae7ac88844e70595
URL: http://source.winehq.org/git/wine.git/?a=commit;h=d4076d438cb5ff05f6800cdaae7ac88844e70595
Author: Huw Davies <huw at 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 */
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