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| /* |
| * 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 |
| |
| */ |