diff options
Diffstat (limited to 'src/extension/internal/cairo-renderer.cpp')
| -rw-r--r-- | src/extension/internal/cairo-renderer.cpp | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/src/extension/internal/cairo-renderer.cpp b/src/extension/internal/cairo-renderer.cpp index af9c3cd6e..5d6315894 100644 --- a/src/extension/internal/cairo-renderer.cpp +++ b/src/extension/internal/cairo-renderer.cpp @@ -446,19 +446,23 @@ static void sp_asbitmap_render(SPItem *item, CairoRenderContext *ctx) TRACE(("sp_asbitmap_render: resolution: %f\n", res )); // Get the bounding box of the selection in document coordinates. - NRRect bbox(item->getBounds(sp_item_i2d_affine(item), SPItem::RENDERING_BBOX )); + boost::optional<Geom::Rect> bbox = + item->getBounds(sp_item_i2d_affine(item), SPItem::RENDERING_BBOX); + + if (!bbox) // no bbox, e.g. empty group + return; // The width and height of the bitmap in pixels - unsigned width = (unsigned) floor ((bbox.x1 - bbox.x0) * (res / PX_PER_IN)); - unsigned height =(unsigned) floor ((bbox.y1 - bbox.y0) * (res / PX_PER_IN)); + unsigned width = (unsigned) floor ((bbox->max()[Geom::X] - bbox->min()[Geom::X]) * (res / PX_PER_IN)); + unsigned height =(unsigned) floor ((bbox->max()[Geom::Y] - bbox->min()[Geom::Y]) * (res / PX_PER_IN)); // Scale to exactly fit integer bitmap inside bounding box - double scale_x = (bbox.x1 - bbox.x0) / width; - double scale_y = (bbox.y1 - bbox.y0) / height; + double scale_x = (bbox->max()[Geom::X] - bbox->min()[Geom::X]) / width; + double scale_y = (bbox->max()[Geom::Y] - bbox->min()[Geom::Y]) / height; // Location of bounding box in document coordinates. - double shift_x = bbox.x0; - double shift_y = bbox.y1; + double shift_x = bbox->min()[Geom::X]; + double shift_y = bbox->max()[Geom::Y]; // For default 90 dpi, snap bitmap to pixel grid if (res == PX_PER_IN) { @@ -483,7 +487,8 @@ static void sp_asbitmap_render(SPItem *item, CairoRenderContext *ctx) items = g_slist_append(items, item); GdkPixbuf *pb = sp_generate_internal_bitmap(document, NULL, - bbox.x0, bbox.y0, bbox.x1, bbox.y1, width, height, res, res, (guint32) 0xffffff00, items ); + bbox->min()[Geom::X], bbox->min()[Geom::Y], bbox->max()[Geom::X], bbox->max()[Geom::Y], + width, height, res, res, (guint32) 0xffffff00, items ); if (pb) { TEST(gdk_pixbuf_save( pb, "bitmap.png", "png", NULL, NULL )); |