cairo-renderer: check for valid pointers of crs and surfaces
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@ -181,8 +181,8 @@ static void render_cell(struct gds_cell *cell, struct cairo_layer *layers, doubl
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void cairo_render_cell_to_vector_file(struct gds_cell *cell, GList *layer_infos, char *pdf_file, char *svg_file, double scale)
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{
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cairo_surface_t *pdf_surface, *svg_surface;
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cairo_t *pdf_cr, *svg_cr;
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cairo_surface_t *pdf_surface = NULL, *svg_surface = NULL;
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cairo_t *pdf_cr = NULL, *svg_cr = NULL;
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struct layer_info *linfo;
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struct cairo_layer *layers;
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struct cairo_layer *lay;
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@ -276,16 +276,15 @@ void cairo_render_cell_to_vector_file(struct gds_cell *cell, GList *layer_infos,
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continue;
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}
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if (pdf_file) {
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if (pdf_file && pdf_cr) {
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cairo_set_source_surface(pdf_cr, layers[linfo->layer].rec, -xmin, -ymin);
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cairo_paint_with_alpha(pdf_cr, linfo->color.alpha);
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}
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if (svg_file) {
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if (svg_file && svg_cr) {
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cairo_set_source_surface(svg_cr, layers[linfo->layer].rec, -xmin, -ymin);
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cairo_paint_with_alpha(svg_cr, linfo->color.alpha);
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}
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}
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if (pdf_file) {
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