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#include "ofxSVGTiny.h"
ofxSVGTiny::~ofxSVGTiny()
{
paths.clear();
}
void ofxSVGTiny::load(string path)
{
path = ofToDataPath(path);
ofBuffer buffer = ofBufferFromFile(path);
size_t size = buffer.size();
struct svgtiny_diagram *diagram = svgtiny_create();
svgtiny_code code = svgtiny_parse(diagram, buffer.getText().c_str(), size, path.c_str(), 0, 0);
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");
}
setupDiagram(diagram);
svgtiny_free(diagram);
}
void ofxSVGTiny::draw()
{
for (int i = 0; i < paths.size(); i++)
{
paths[i]->draw();
}
}
void ofxSVGTiny::setupDiagram(struct svgtiny_diagram *diagram)
{
width = diagram->width, height = diagram->height;
for (int i = 0; i < diagram->shape_count; i++)
{
if (diagram->shape[i].path)
{
setupShape(&diagram->shape[i]);
}
else if (diagram->shape[i].text)
{
printf("text: not implemented yet\n");
}
}
}
void ofxSVGTiny::setupShape(struct svgtiny_shape *shape)
{
float *p = shape->path;
ofPath *path = new ofPath();
paths.push_back(ofPathRef(path));
path->setFilled(false);
if (shape->fill != svgtiny_TRANSPARENT)
{
path->setFilled(true);
path->setFillHexColor(shape->fill);
}
if (shape->stroke != svgtiny_TRANSPARENT)
{
path->setStrokeWidth(shape->stroke_width);
path->setStrokeHexColor(shape->stroke);
}
for (int i = 0; i < shape->path_length;)
{
if (p[i] == svgtiny_PATH_MOVE)
{
path->moveTo(p[i + 1], p[i + 2]);
i += 3;
}
else if (p[i] == svgtiny_PATH_CLOSE)
{
path->close();
i += 1;
}
else if (p[i] == svgtiny_PATH_LINE)
{
path->lineTo(p[i + 1], p[i + 2]);
i += 3;
}
else if (p[i] == svgtiny_PATH_BEZIER)
{
path->bezierTo(p[i + 1], p[i + 2],
p[i + 3], p[i + 4],
p[i + 5], p[i + 6]);
i += 7;
}
else
{
printf("error\n");
i += 1;
}
}
}
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