kolibrios/programs/network/netsurf/libnsfb/test/svgtiny.c
Dmitry Pereverzev (SoUrcerer) 370da47fa0 Netsurf initial port (still needs native ui and cURL)
git-svn-id: svn://kolibrios.org@3584 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-06-01 17:14:14 +00:00

248 lines
7.8 KiB
C

/*
* This file is part of Libsvgtiny
* Licensed under the MIT License,
* http://opensource.org/licenses/mit-license.php
* Copyright 2008 James Bursa <james@semichrome.net>
*/
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <stdbool.h>
#include <stdlib.h>
#include <svgtiny.h>
#include "libnsfb.h"
#include "libnsfb_plot.h"
#include "libnsfb_event.h"
nsfb_t *nsfb;
nsfb_bbox_t screen_box;
uint8_t *fbptr;
int fbstride;
nsfb_event_t event;
static int setup_fb(void)
{
nsfb = nsfb_init(NSFB_FRONTEND_SDL);
if (nsfb == NULL) {
fprintf(stderr, "Unable to initialise nsfb with SDL frontend\n");
return 1;
}
if (nsfb_init_frontend(nsfb) == -1) {
fprintf(stderr, "Unable to initialise nsfb frontend\n");
return 2;
}
/* get the geometry of the whole screen */
screen_box.x0 = screen_box.y0 = 0;
nsfb_get_geometry(nsfb, &screen_box.x1, &screen_box.y1, NULL);
nsfb_get_framebuffer(nsfb, &fbptr, &fbstride);
/* claim the whole screen for update */
nsfb_claim(nsfb, &screen_box);
nsfb_plot_clg(nsfb, 0xffffffff);
return 0;
}
int main(int argc, char *argv[])
{
FILE *fd;
float scale = 1.0;
struct stat sb;
char *buffer;
size_t size;
size_t n;
struct svgtiny_diagram *diagram;
svgtiny_code code;
if (argc != 2 && argc != 3) {
fprintf(stderr, "Usage: %s FILE [SCALE]\n", argv[0]);
return 1;
}
/* load file into memory buffer */
fd = fopen(argv[1], "rb");
if (!fd) {
perror(argv[1]);
return 1;
}
if (stat(argv[1], &sb)) {
perror(argv[1]);
return 1;
}
size = sb.st_size;
buffer = malloc(size);
if (!buffer) {
fprintf(stderr, "Unable to allocate %lld bytes\n",
(long long) size);
return 1;
}
n = fread(buffer, 1, size, fd);
if (n != size) {
perror(argv[1]);
return 1;
}
fclose(fd);
/* read scale argument */
if (argc == 3) {
scale = atof(argv[2]);
if (scale == 0)
scale = 1.0;
}
/* create svgtiny object */
diagram = svgtiny_create();
if (!diagram) {
fprintf(stderr, "svgtiny_create failed\n");
return 1;
}
/* parse */
code = svgtiny_parse(diagram, buffer, size, argv[1], 1000, 1000);
if (code != svgtiny_OK) {
fprintf(stderr, "svgtiny_parse failed: ");
switch (code) {
case svgtiny_OUT_OF_MEMORY:
fprintf(stderr, "svgtiny_OUT_OF_MEMORY");
break;
case svgtiny_LIBXML_ERROR:
fprintf(stderr, "svgtiny_LIBXML_ERROR");
break;
case svgtiny_NOT_SVG:
fprintf(stderr, "svgtiny_NOT_SVG");
break;
case svgtiny_SVG_ERROR:
fprintf(stderr, "svgtiny_SVG_ERROR: line %i: %s",
diagram->error_line,
diagram->error_message);
break;
default:
fprintf(stderr, "unknown svgtiny_code %i", code);
break;
}
fprintf(stderr, "\n");
}
free(buffer);
if (setup_fb() != 0)
return 1;
for (unsigned int i = 0; i != diagram->shape_count; i++) {
nsfb_plot_pen_t pen;
pen.stroke_colour = svgtiny_RED(diagram->shape[i].stroke) |
svgtiny_GREEN(diagram->shape[i].stroke) << 8|
svgtiny_BLUE(diagram->shape[i].stroke) << 16;
pen.fill_colour = svgtiny_RED(diagram->shape[i].fill) |
svgtiny_GREEN(diagram->shape[i].fill) << 8|
svgtiny_BLUE(diagram->shape[i].fill) << 16;
if (diagram->shape[i].fill == svgtiny_TRANSPARENT)
pen.fill_type = NFSB_PLOT_OPTYPE_NONE;
else
pen.fill_type = NFSB_PLOT_OPTYPE_SOLID;
if (diagram->shape[i].stroke == svgtiny_TRANSPARENT)
pen.stroke_type = NFSB_PLOT_OPTYPE_NONE;
else
pen.stroke_type = NFSB_PLOT_OPTYPE_SOLID;
pen.stroke_width = scale * diagram->shape[i].stroke_width;
if (diagram->shape[i].path) {
nsfb_plot_pathop_t *fb_path;
int fb_path_c;
unsigned int j;
fb_path = malloc(diagram->shape[i].path_length * 3 * sizeof(nsfb_plot_pathop_t));
fb_path_c = 0;
for (j = 0;
j != diagram->shape[i].path_length; ) {
switch ((int) diagram->shape[i].path[j]) {
case svgtiny_PATH_MOVE:
fb_path[fb_path_c].operation = NFSB_PLOT_PATHOP_MOVE;
fb_path[fb_path_c].point.x = scale * diagram->shape[i].path[j + 1];
fb_path[fb_path_c].point.y = scale * diagram->shape[i].path[j + 2];
fb_path_c++;
j += 3;
break;
case svgtiny_PATH_CLOSE:
fb_path[fb_path_c].operation = NFSB_PLOT_PATHOP_LINE;
fb_path[fb_path_c].point.x = fb_path[0].point.x;
fb_path[fb_path_c].point.y = fb_path[0].point.y;
fb_path_c++;
j += 1;
break;
case svgtiny_PATH_LINE:
fb_path[fb_path_c].operation = NFSB_PLOT_PATHOP_LINE;
fb_path[fb_path_c].point.x = scale * diagram->shape[i].path[j + 1];
fb_path[fb_path_c].point.y = scale * diagram->shape[i].path[j + 2];
fb_path_c++;
j += 3;
break;
case svgtiny_PATH_BEZIER:
fb_path[fb_path_c].operation = NFSB_PLOT_PATHOP_MOVE;
fb_path[fb_path_c].point.x = scale * diagram->shape[i].path[j + 1];
fb_path[fb_path_c].point.y = scale * diagram->shape[i].path[j + 2];
fb_path_c++;
fb_path[fb_path_c].operation = NFSB_PLOT_PATHOP_MOVE;
fb_path[fb_path_c].point.x = scale * diagram->shape[i].path[j + 3];
fb_path[fb_path_c].point.y = scale * diagram->shape[i].path[j + 4];
fb_path_c++;
fb_path[fb_path_c].operation = NFSB_PLOT_PATHOP_CUBIC;
fb_path[fb_path_c].point.x = scale * diagram->shape[i].path[j + 5];
fb_path[fb_path_c].point.y = scale * diagram->shape[i].path[j + 6];
fb_path_c++;
j += 7;
break;
default:
printf("error ");
j += 1;
}
}
nsfb_plot_path(nsfb, fb_path_c, fb_path, &pen);
} else if (diagram->shape[i].text) {
/* printf("text %g %g '%s' ",
scale * diagram->shape[i].text_x,
scale * diagram->shape[i].text_y,
diagram->shape[i].text);*/
}
}
svgtiny_free(diagram);
nsfb_update(nsfb, &screen_box);
while (event.type != NSFB_EVENT_CONTROL)
nsfb_event(nsfb, &event, -1);
return 0;
}
/*
cc -g -std=c99 -D_BSD_SOURCE -I/home/vince/netsurf/libnsfb/include/ -I/home/vince/netsurf/libnsfb/src -I/usr/local/include -I/usr/include/libxml2 -Wall -Wextra -Wundef -Wpointer-arith -Wcast-align -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wnested-externs -Werror -pedantic -Wno-overlength-strings -DNDEBUG -O2 -DBUILD_TARGET_Linux -DBUILD_HOST_Linux -o build-Linux-Linux-release-lib-static/test_svgtiny.o -c test/svgtiny.c
cc -o build-Linux-Linux-release-lib-static/test_svgtiny build-Linux-Linux-release-lib-static/test_svgtiny.o -Wl,--whole-archive -lnsfb -Wl,--no-whole-archive -lSDL -Lbuild-Linux-Linux-release-lib-static/ -lnsfb -lsvgtiny -lxml2
*/