mhu/gds-render
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cairo-renderer: check for valid pointers of crs and surfaces

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This commit is contained in:
Mario Hüttel 2019-05-30 14:17:36 +02:00
parent 9b0f268bbd
commit 2d3241d8b7
1 changed files with 4 additions and 5 deletions
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9
cairo-renderer/cairo-output.c
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@ -181,8 +181,8 @@ static void render_cell(struct gds_cell *cell, struct cairo_layer *layers, doubl
void cairo_render_cell_to_vector_file(struct gds_cell *cell, GList *layer_infos, char *pdf_file, char *svg_file, double scale)
{
cairo_surface_t *pdf_surface, *svg_surface;
cairo_t *pdf_cr, *svg_cr;
cairo_surface_t *pdf_surface = NULL, *svg_surface = NULL;
cairo_t *pdf_cr = NULL, *svg_cr = NULL;
struct layer_info *linfo;
struct cairo_layer *layers;
struct cairo_layer *lay;
@ -276,16 +276,15 @@ void cairo_render_cell_to_vector_file(struct gds_cell *cell, GList *layer_infos,
continue;
}
if (pdf_file) {
if (pdf_file && pdf_cr) {
cairo_set_source_surface(pdf_cr, layers[linfo->layer].rec, -xmin, -ymin);
cairo_paint_with_alpha(pdf_cr, linfo->color.alpha);
}
if (svg_file) {
if (svg_file && svg_cr) {
cairo_set_source_surface(svg_cr, layers[linfo->layer].rec, -xmin, -ymin);
cairo_paint_with_alpha(svg_cr, linfo->color.alpha);
}
}
if (pdf_file) {