void cdKillCanvas(cdCanvas *canvas)
{
assert(canvas);
if (!_cdCheckCanvas(canvas)) return;
if (canvas == cdActiveCanvas())
cdActivate(NULL);
else
cdCanvasDeactivate(canvas);
canvas->cxKillCanvas(canvas->ctxcanvas);
if (canvas->pattern) free(canvas->pattern);
if (canvas->stipple) free(canvas->stipple);
if (canvas->poly) free(canvas->poly);
if (canvas->clip_poly) free(canvas->clip_poly);
if (canvas->fpoly) free(canvas->fpoly);
if (canvas->clip_fpoly) free(canvas->clip_fpoly);
if (canvas->line_dashes) free(canvas->line_dashes);
if (canvas->path) free(canvas->path);
cdKillVectorFont(canvas->vector_font);
cdKillSimulation(canvas->simulation);
memset(canvas, 0, sizeof(cdCanvas));
free(canvas);
}
static void cddeactivate(cdCtxCanvas* ctxcanvas)
{
cdCanvas* canvas_dbuffer = ctxcanvas->canvas_dbuffer;
/* this is done in the canvas_dbuffer context */
cdCanvasDeactivate(canvas_dbuffer);
}
