bool SVGPlotter::Save(const char *fname) {
sx = width/(xMax-xMin);
sy = height/(yMax-yMin);
bool retval = false;
const char *ext = GetFileExtension(fname);
FILE *fout = fopen(fname, "w");
if(!fout) { fprintf(stderr, "Failed to open '%s' for writing plot\n", fname); return false; }
if(!strcmp(ext, "svg") || !strcmp(ext, "SVG")) {
retval = SaveHeader(fout) &&
SaveStyles(fout) &&
DrawPlots(fout) &&
DrawAxis(fout) &&
DrawLegend(fout) &&
SaveFooter(fout);
} else if(!strcmp(ext, "m") || !strcmp(ext, "M")) {
retval = SaveHeaderMatlab(fout) &&
DrawPlotsMatlab(fout) &&
DrawLegendMatlab(fout);
} else {
fprintf(stderr, "Error: plotter only supports file format .m or .svg\n");
retval = false;
}
fclose(fout);
return retval;
}
// whole process of draw a figure.
void Figure::Show()
{
Initialize();
IplImage *output = cvCreateImage(figure_size, IPL_DEPTH_8U, 3);
cvSet(output, backgroud_color, 0);
DrawAxis(output);
DrawPlots(output);
DrawLabels(output, figure_size.width - 100, 10);
cvShowImage(figure_name.c_str(), output);
cvWaitKey(1);
cvReleaseImage(&output);
}
void Render()
{
glClearColor(0.0, 0.0, 0.0, 1.0);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho( 0, WINDOW_X, 0, WINDOW_Y , -20, 20.);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
gluLookAt(0., 0., 10., 0., 0., 0., 0., 1., 0.);
//Start drawing the HUD
DrawDepthGuage();
DrawLevelGuage();
DrawPlots();
}