gds-render/cairo-output/cairo-output.c

77 lines
2.1 KiB
C

/*
* GDSII-Converter
* Copyright (C) 2018 Mario Hüttel <mario.huettel@gmx.net>
*
* This file is part of GDSII-Converter.
*
* GDSII-Converter is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* GDSII-Converter is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GDSII-Converter. If not, see <http://www.gnu.org/licenses/>.
*/
#include "cairo-output.h"
#include <math.h>
#include <stdlib.h>
#include <cairo.h>
#include <cairo-pdf.h>
struct cairo_layer {
cairo_t *cr;
cairo_surface_t *rec;
struct layer_info *linfo;
};
void cairo_render_cell_to_pdf(struct gds_cell *cell, GList *layer_infos, char *pdf_file, double scale)
{
cairo_surface_t *surface;
cairo_t *cr;
struct layer_info *linfo;
struct cairo_layer *layers;
struct cairo_layer *lay;
GList *info_list;
int i;
layers = (struct cairo_layer *)calloc(MAX_LAYERS, sizeof(struct cairo_layer));
/* Clear layers */
for (i = 0; i < MAX_LAYERS; i++) {
layers[i].cr = NULL;
layers[i].rec = NULL;
}
/* Create recording surface for each layer */
for (info_list = layer_infos; info_list != NULL; info_list = g_list_next(info_list)) {
linfo = (struct layer_info *)info_list->data;
if (linfo->layer < MAX_LAYERS) {
lay = &(layers[(unsigned int)linfo->layer]);
lay->linfo = linfo;
lay->rec = cairo_recording_surface_create(CAIRO_CONTENT_COLOR_ALPHA,
NULL);
lay->cr = cairo_create(layers[(unsigned int)linfo->layer].rec);
cairo_scale(lay->cr, 1/scale, 1/scale);
} else {
printf("Layer number (%d) too high!\n", linfo->layer);
goto ret_clear_layers;
}
}
ret_clear_layers:
for (i = 0; i < MAX_LAYERS; i++) {
lay = &layers[i];
cairo_destroy(lay->cr);
cairo_surface_destroy(lay->rec);
}
free(layers);
printf("cairo export not yet implemented!\n");
}