Enable status upgrades from Cairo renderer to activity bar.
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0dc91c14de
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977547d91d
@ -227,7 +227,7 @@ static int read_line_from_fd(int fd, char *buff, size_t buff_size)
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* @param scale Scale the output image down by \p scale
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* @return Error
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*/
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static int cairo_renderer_render_cell_to_vector_file(struct gds_cell *cell, GList *layer_infos, const char *pdf_file,
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static int cairo_renderer_render_cell_to_vector_file(GdsOutputRenderer *renderer, struct gds_cell *cell, GList *layer_infos, const char *pdf_file,
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const char *svg_file, double scale)
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{
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cairo_surface_t *pdf_surface = NULL, *svg_surface = NULL;
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@ -240,28 +240,40 @@ static int cairo_renderer_render_cell_to_vector_file(struct gds_cell *cell, GLis
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double rec_x0, rec_y0, rec_width, rec_height;
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double xmin = INT32_MAX, xmax = INT32_MIN, ymin = INT32_MAX, ymax = INT32_MIN;
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pid_t process_id;
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int comm_pipe[2];
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char receive_message[200];
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if (pdf_file == NULL && svg_file == NULL) {
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/* No output specified */
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return -1;
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}
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/* Generate communication pipe for status updates */
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if (pipe(comm_pipe) == -1)
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return -2;
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/* Fork to a new child process. This ensures the memory leaks (see issue #16) in Cairo don't
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* brick everything.
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*
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* And by the way: This now bricks all Windows compatibility. Deal with it.
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*/
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/* Use fork for production code and -1 as value for debugging */
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process_id = fork();
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//process_id = -1;
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if (process_id < 0) {
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/* Well... shit... We have to run it in our process. */
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/* This should not happen */
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fprintf(stderr, "Fatal error: Cairo Renderer: Could not spawn child process!");
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exit(-2);
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} else if (process_id > 0) {
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/* Woohoo... Successfully dumped the shitty code to an unknowing victim */
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goto ret_parent;
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}
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/* Close stdin and (stdout and stderr may live on) */
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close(0);
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//close(1);
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close(comm_pipe[0]);
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layers = (struct cairo_layer *)calloc(MAX_LAYERS, sizeof(struct cairo_layer));
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/* Clear layers */
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@ -291,7 +303,7 @@ static int cairo_renderer_render_cell_to_vector_file(struct gds_cell *cell, GLis
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}
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}
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dprintf(comm_pipe[1], "Rendering layers\n");
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render_cell(cell, layers, scale);
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/* get size of image and top left coordinate */
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@ -309,7 +321,7 @@ static int cairo_renderer_render_cell_to_vector_file(struct gds_cell *cell, GLis
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/* Print size */
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cairo_recording_surface_ink_extents(layers[linfo->layer].rec, &rec_x0, &rec_y0,
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&rec_width, &rec_height);
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printf("Size of layer %d%s%s%s: <%lf x %lf> @ (%lf | %lf)\n",
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dprintf(comm_pipe[1], "Size of layer %d%s%s%s: <%lf x %lf> @ (%lf | %lf)\n",
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linfo->layer,
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(linfo->name && linfo->name[0] ? " (" : ""),
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(linfo->name && linfo->name[0] ? linfo->name : ""),
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@ -328,7 +340,7 @@ static int cairo_renderer_render_cell_to_vector_file(struct gds_cell *cell, GLis
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}
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printf("Cell bounding box: (%lf | %lf) -- (%lf | %lf)\n", xmin, ymin, xmax, ymax);
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/* printf("Cell bounding box: (%lf | %lf) -- (%lf | %lf)\n", xmin, ymin, xmax, ymax); */
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if (pdf_file) {
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pdf_surface = cairo_pdf_surface_create(pdf_file, xmax-xmin, ymax-ymin);
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@ -344,6 +356,8 @@ static int cairo_renderer_render_cell_to_vector_file(struct gds_cell *cell, GLis
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for (info_list = layer_infos; info_list != NULL; info_list = g_list_next(info_list)) {
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linfo = (struct layer_info *)info_list->data;
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dprintf(comm_pipe[1], "Exporting layer %d to file\n", linfo->layer);
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if (linfo->layer >= MAX_LAYERS) {
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printf("Layer outside of Spec.\n");
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continue;
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@ -387,14 +401,26 @@ ret_clear_layers:
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printf("Cairo export finished. It might still be buggy!\n");
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/* If forked, suspend process */
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if (process_id == 0)
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exit(0);
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/* Suspend child process */
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exit(0);
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/* Fork didn't work. Just return here */
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return 0;
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ret_parent:
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close(comm_pipe[1]);
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while (read_line_from_fd(comm_pipe[0], receive_message, sizeof(receive_message)) > 0) {
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/* Strip \n from string and replace with ' ' */
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for (i = 0; receive_message[i] != '\0'; i++) {
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if (receive_message[i] == '\n')
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receive_message[i] = ' ';
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}
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/* Update asyc progress*/
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gds_output_renderer_update_gui_status_from_async(renderer, receive_message);
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}
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waitpid(process_id, NULL, 0);
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close(comm_pipe[0]);
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return 0;
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}
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@ -432,7 +458,7 @@ static int cairo_renderer_render_output(GdsOutputRenderer *renderer,
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pdf_file = output_file;
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gds_output_renderer_update_gui_status_from_async(renderer, "Rendering Cairo Output...");
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ret = cairo_renderer_render_cell_to_vector_file(cell, layer_infos, pdf_file, svg_file, scale);
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ret = cairo_renderer_render_cell_to_vector_file(renderer, cell, layer_infos, pdf_file, svg_file, scale);
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if (settings)
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g_object_unref(settings);
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@ -260,8 +260,6 @@ LayerSettings *gds_output_renderer_get_and_ref_layer_settings(GdsOutputRenderer
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/* This function seems to already reference the LayerSettings object */
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g_object_get(renderer, "layer-settings", &ret, NULL);
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/* Reference it, so it is not cleared by another thread overwriting the property */
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//g_object_ref(ret);
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/* It is now safe to clear the lock */
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g_mutex_unlock(&priv->settings_lock);
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