easylinux/OpenTXW81X
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

pure sdk for main

Browse Source
This commit is contained in:
divadiow
2025-08-27 09:51:58 +01:00
parent f0d033f1c9
commit 0571416e7c
3283 changed files with 1577720 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files
sdk/app/zbar/svg.c
+184
View File
@@ -0,0 +1,184 @@
/*------------------------------------------------------------------------
* Copyright 2009 (c) Jeff Brown <spadix@users.sourceforge.net>
*
* This file is part of the ZBar Bar Code Reader.
*
* The ZBar Bar Code Reader is free software; you can redistribute it
* and/or modify it under the terms of the GNU Lesser Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* The ZBar Bar Code Reader 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 Lesser Public License for more details.
*
* You should have received a copy of the GNU Lesser Public License
* along with the ZBar Bar Code Reader; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301 USA
*
* http://sourceforge.net/projects/zbar
*------------------------------------------------------------------------*/
#include <stdlib.h>
#include <stdio.h>
#include <stdarg.h>
#include "svg.h"
static const char svg_head[] =
"<?xml version='1.0'?>\n"
"<!DOCTYPE svg PUBLIC '-//W3C//DTD SVG 1.1//EN'"
" 'http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd'>\n"
"<svg version='1.1' id='top' width='8in' height='8in'"
" preserveAspectRatio='xMidYMid' overflow='visible'"
" viewBox='%g,%g %g,%g' xmlns:xlink='http://www.w3.org/1999/xlink'"
" xmlns='http://www.w3.org/2000/svg'>\n"
"<defs><style type='text/css'><![CDATA[\n"
"* { image-rendering: optimizeSpeed }\n"
"image { opacity: .9 }\n"
"path, line, circle { fill: none; stroke-width: .5;"
" stroke-linejoin: round; stroke-linecap: butt;"
" stroke-opacity: .666; fill-opacity: .666 }\n"
/*"#hedge line, #vedge line { stroke: #34f }\n"*/
"#hedge, #vedge { stroke: yellow }\n"
"#target * { fill: none; stroke: #f24 }\n"
"#mdot * { fill: #e2f; stroke: none }\n"
"#ydot * { fill: yellow; stroke: none }\n"
"#cross * { stroke: #44f }\n"
".hedge { marker: url(#hedge) }\n"
".vedge { marker: url(#vedge) }\n"
".scanner .hedge, .scanner .vedge { stroke-width: 8 }\n"
".finder .hedge, .finder .vedge { /*stroke: #a0c;*/ stroke-width: .9 }\n"
".cluster { stroke: #a0c; stroke-width: 1; stroke-opacity: .45 }\n"
".cluster.valid { stroke: #c0a; stroke-width: 1; stroke-opacity: .666 }\n"
".h.cluster { marker: url(#vedge) }\n"
".v.cluster { marker: url(#hedge) }\n"
".centers { marker: url(#target); stroke-width: 3 }\n"
".edge-pts { marker: url(#ydot); stroke-width: .5 }\n"
".align { marker: url(#mdot); stroke-width: 1.5 }\n"
".sampling-grid { stroke-width: .75; marker: url(#cross) }\n"
"]]></style>\n"
"<marker id='hedge' overflow='visible'><line x1='-2' x2='2'/></marker>\n"
"<marker id='vedge' overflow='visible'><line y1='-2' y2='2'/></marker>\n"
"<marker id='ydot' overflow='visible'><circle r='2'/></marker>\n"
"<marker id='mdot' overflow='visible'><circle r='2'/></marker>\n"
"<marker id='cross' overflow='visible'><path d='M-2,0h4 M0,-2v4'/></marker>\n"
"<marker id='target' overflow='visible'><path d='M-4,0h8 M0,-4v8'/><circle r='2'/></marker>\n"
"</defs>\n";
static FILE *svg = NULL;
void svg_open (const char *name, double x, double y, double w, double h)
{
svg = fopen(name, "w");
if(!svg) return;
/* FIXME calc scaled size */
fprintf(svg, svg_head, x, y, w, h);
}
void svg_close ()
{
if(!svg) return;
fprintf(svg, "</svg>\n");
fclose(svg);
svg = NULL;
}
void svg_commentf (const char *format, ...)
{
if(!svg) return;
fprintf(svg, "<!-- ");
va_list args;
va_start(args, format);
vfprintf(svg, format, args);
va_end(args);
fprintf(svg, " -->\n");
}
void svg_image (const char *name, double width, double height)
{
if(!svg) return;
fprintf(svg, "<image width='%g' height='%g' xlink:href='%s'/>\n",
width, height, name);
}
void svg_group_start (const char *cls,
double deg,
double sx,
double sy,
double x,
double y)
{
if(!svg) return;
fprintf(svg, "<g class='%s'", cls);
if(sx != 1. || sy != 1 || deg || x || y) {
fprintf(svg, " transform='");
if(deg)
fprintf(svg, "rotate(%g)", deg);
if(x || y)
fprintf(svg, "translate(%g,%g)", x, y);
if(sx != 1. || sy != 1.) {
if(!sy)
fprintf(svg, "scale(%g)", sx);
else
fprintf(svg, "scale(%g,%g)", sx, sy);
}
fprintf(svg, "'");
}
fprintf(svg, ">\n");
}
void svg_group_end ()
{
fprintf(svg, "</g>\n");
}
void svg_path_start (const char *cls,
double scale,
double x,
double y)
{
if(!svg) return;
fprintf(svg, "<path class='%s'", cls);
if(scale != 1. || x || y) {
fprintf(svg, " transform='");
if(x || y)
fprintf(svg, "translate(%g,%g)", x, y);
if(scale != 1.)
fprintf(svg, "scale(%g)", scale);
fprintf(svg, "'");
}
fprintf(svg, " d='");
}
void svg_path_end ()
{
if(!svg) return;
fprintf(svg, "'/>\n");
}
void svg_path_close ()
{
if(!svg) return;
fprintf(svg, "z");
}
void svg_path_moveto (svg_absrel_t abs, double x, double y)
{
if(!svg) return;
fprintf(svg, " %c%g,%g", (abs) ? 'M' : 'm', x, y);
}
void svg_path_lineto(svg_absrel_t abs, double x, double y)
{
if(!svg) return;
if(x && y)
fprintf(svg, "%c%g,%g", (abs) ? 'L' : 'l', x, y);
else if(x)
fprintf(svg, "%c%g", (abs) ? 'H' : 'h', x);
else if(y)
fprintf(svg, "%c%g", (abs) ? 'V' : 'v', y);
}