bool CObjectView::saveEPS(const char *fileName){
SELECT_CONTEXT();
// to use GL2PS
FILE *f = fopen(fileName, "w");
if (!f)
return false;
int buffsize = 0, state = GL2PS_OVERFLOW;
while( state == GL2PS_OVERFLOW ){
buffsize += 1024*1024;
TRACE("bufferSize set to %d\n", buffsize);
gl2psBeginPage("GRB", "GRB", GL2PS_BSP_SORT /*GL2PS_SIMPLE_SORT*/, GL2PS_NONE /*GL2PS_OCCLUSION_CULL*/,
GL_RGBA, 0, NULL, buffsize, f);
gl2psLineWidth(1);
gl2psPointSize(1);
setupPerspective();
drawScene(NULL, -1);
state = gl2psEndPage();
}
fclose(f);
UNSELECT_CONTEXT();
return true;
}
void saveAsEps(){
FILE *fp;
// char file[]="visualized.eps";
string fname = data.ifname + IntToStr(data.node.size()) + ".eps";
int state = GL2PS_OVERFLOW, buffsize = 0;
GLint viewport[4];
int options=GL2PS_BEST_ROOT | GL2PS_OCCLUSION_CULL | GL2PS_USE_CURRENT_VIEWPORT;
if( (fp = fopen(fname.c_str(), "wb")) == NULL ){
cout << "cant open \"" << fname << "\"" << endl;
exit(0);
}
cout << "start to output \"" << fname << "\" ..." << endl;
while(state == GL2PS_OVERFLOW){
buffsize += 1024*1024;
gl2psBeginPage(fname.c_str(), "gl2psTest", viewport, GL2PS_EPS, GL2PS_NO_SORT, options,
GL_RGBA, 0, NULL, 0, 0, 0,
buffsize, fp, fname.c_str());
display();
state = gl2psEndPage();
}
fclose(fp);
cout << "Done." << endl;
}
static void keyboard(unsigned char key, int x, int y)
{
FILE *fp;
int state = GL2PS_OVERFLOW, buffsize = 0;
(void) x; (void) y; /* not used */
switch(key){
case 'q':
exit(0);
break;
case 's':
fp = fopen("out.eps", "wb");
printf("Writing 'out.eps'... ");
while(state == GL2PS_OVERFLOW){
buffsize += 1024*1024;
gl2psBeginPage("test", "gl2psTestSimple", NULL, GL2PS_EPS, GL2PS_SIMPLE_SORT,
GL2PS_DRAW_BACKGROUND | GL2PS_USE_CURRENT_VIEWPORT,
GL_RGBA, 0, NULL, 0, 0, 0, buffsize, fp, "out.eps");
display();
state = gl2psEndPage();
}
fclose(fp);
printf("Done!\n");
break;
}
}
bool RGLView::postscript(int formatID, const char* filename, bool drawText)
{
bool success = false;
FILE *fp = fopen(filename, "wb");
char *oldlocale = setlocale(LC_NUMERIC, "C");
GLint buffsize = 0, state = GL2PS_OVERFLOW;
GLint viewport[4];
GLint options = GL2PS_SILENT | GL2PS_SIMPLE_LINE_OFFSET | GL2PS_NO_BLENDING |
GL2PS_OCCLUSION_CULL | GL2PS_BEST_ROOT;
if (!drawText) options |= GL2PS_NO_TEXT;
if (windowImpl->beginGL()) {
glGetIntegerv(GL_VIEWPORT, viewport);
while( state == GL2PS_OVERFLOW ) {
buffsize += 1024*1024;
gl2psBeginPage ( filename, "Generated by rgl", viewport,
formatID, GL2PS_BSP_SORT, options,
GL_RGBA, 0, NULL, 0, 0, 0, buffsize,
fp, filename );
if ( drawText ) {
// signal gl2ps for text
scene->invalidateDisplaylists();
if (formatID == GL2PS_PS || formatID == GL2PS_EPS ||
formatID == GL2PS_TEX || formatID == GL2PS_PGF)
renderContext.gl2psActive = GL2PS_POSITIONAL;
else
renderContext.gl2psActive = GL2PS_LEFT_ONLY;
}
// redraw:
scene->render(&renderContext);
glFinish();
if ( drawText ) {
scene->invalidateDisplaylists();
renderContext.gl2psActive = GL2PS_NONE;
}
success = true;
state = gl2psEndPage();
}
windowImpl->endGL();
}
setlocale(LC_NUMERIC, oldlocale);
fclose(fp);
return success;
}
// print ///
void figure_t_t::print(const std::string filename) {
FILE *fp;
int state = GL2PS_OVERFLOW, buffsize = 0;
fp = fopen(filename.c_str(), "wb");
std::cout << "Writing '" << filename << "'... ";
while(state == GL2PS_OVERFLOW) {
buffsize += 2024*2024;
gl2psBeginPage("test", "gl2ps", NULL, GL2PS_EPS, GL2PS_SIMPLE_SORT,
GL2PS_USE_CURRENT_VIEWPORT,
GL_RGBA, 0, NULL, 0, 0, 0, buffsize, fp, filename.c_str());
draw();
state = gl2psEndPage();
}
fclose(fp);
std::cout << "Done!" << std::endl;
}
void writefile(int format, int sort, int options, int nbcol,
const char *filename, const char *extension)
{
FILE *fp;
char file[256];
int state = GL2PS_OVERFLOW, buffsize = 0;
GLint viewport[4];
strcpy(file, filename);
strcat(file, ".");
strcat(file, extension);
viewport[0] = 0;
viewport[1] = 0;
viewport[2] = window_w;
viewport[3] = window_h;
fp = fopen(file, "wb");
if(!fp){
printf("Unable to open file %s for writing\n", file);
exit(1);
}
printf("Saving image to file %s... ", file);
fflush(stdout);
while(state == GL2PS_OVERFLOW){
buffsize += 1024*1024;
gl2psBeginPage(file, "gl2psTest", viewport, format, sort, options,
GL_RGBA, 0, NULL, nbcol, nbcol, nbcol,
buffsize, fp, file);
display();
state = gl2psEndPage();
}
fclose(fp);
printf("Done!\n");
fflush(stdout);
}
void gl2ps()
{
FILE *fp;
int state = GL2PS_OVERFLOW, buffsize = 0;
string epsfilename = objfilename + "-" + to_string(k) +".eps";
{
epsfilename = objfilename + "-" + to_string(k) + "-n-"+ to_string(modelnum) + ".eps";
}
fp = fopen(epsfilename.c_str(), "wb");
printf("Writing %s ...\n", epsfilename.c_str());
while(state == GL2PS_OVERFLOW){
buffsize += 1024*1024;
gl2psBeginPage("test", "gl2psTestSimple", NULL, GL2PS_EPS , GL2PS_SIMPLE_SORT,
GL2PS_DRAW_BACKGROUND | GL2PS_USE_CURRENT_VIEWPORT | GL2PS_TIGHT_BOUNDING_BOX,
GL_RGBA, 0, NULL, 0, 0, 0, buffsize, fp, epsfilename.c_str());
display();
state = gl2psEndPage();
}
fclose(fp);
printf("Done!\n");
}
void MainWindow::doSave()
{
GLint viewport[4];
viewport[0] = 0;
viewport[1] = 0;
viewport[2] = glw->width();
viewport[3] = glw->height();
GLint fmt = fileFormat->itemData(fileFormat->currentIndex()).toInt();
GLint srt = sort->itemData(sort->currentIndex()).toInt();
GLint options = GL2PS_DRAW_BACKGROUND | GL2PS_USE_CURRENT_VIEWPORT;
if (srt==GL2PS_BSP_SORT) options |= GL2PS_BEST_ROOT;
QString fname("out.");
fname += fileFormat->currentText();
FILE* fp = fopen(fname.toLatin1().constData(), "wb");
if (!fp)
{
return;
}
int state = GL2PS_OVERFLOW, buffsize = 0, ret;
while(state == GL2PS_OVERFLOW){
buffsize += 1024*1024;
ret = gl2psBeginPage(fname.toLatin1().constData(), "qgl2ps", viewport,
fmt, srt, options,
GL_RGBA, 0, NULL, 0, 0, 0,
buffsize, fp, fname.toLatin1().constData());
if (ret==GL2PS_ERROR) break;
glw->repaint();
state = gl2psEndPage();
}
fclose(fp);
}
void CheckMove(CCam & Camera1)
{
if(downPressed)Camera1.CamMove(-speed);
if(upPressed)Camera1.CamMove(speed);
if(leftPressed)Camera1.CamRotatePos(-speed/1000);
if(rightPressed)Camera1.CamRotatePos(speed/1000);
//assumes noone does ctrl and shift together!
if(shift_leftPressed)Camera1.CamRotateView(-speed/1000);
if(shift_rightPressed)Camera1.CamRotateView(speed/1000);
if(ctrl_leftPressed)Camera1.CamStrafe(speed);
if(ctrl_rightPressed)Camera1.CamStrafe(-speed);
if(p_Pressed){
FILE *fp=fopen("MyFileName.ps","wb");
GLint buffsize=0;
GLint state=GL2PS_OVERFLOW;
GLint viewport[4];
glGetIntegerv(GL_VIEWPORT, viewport);
while(state==GL2PS_OVERFLOW){
buffsize+=1024*1024;
// could use GL2PS_USE_CURRENT_VIEWPORT,
int ips=gl2psBeginPage("MyTitle","MyProducer",viewport,
GL2PS_PS,GL2PS_BSP_SORT,GL2PS_SILENT |
GL2PS_SIMPLE_LINE_OFFSET | GL2PS_BEST_ROOT,GL_RGBA,0,NULL,
0,0,0,buffsize,fp,"MyFileName.ps");
RenderScene(Camera1);
state=gl2psEndPage();
} //end while loop
fclose(fp);
} // end p_Pressed
}
bool RGLView::postscript(int formatID, const char* filename)
{
bool success = false;
FILE *fp = fopen(filename, "wb");
GLint buffsize = 0, state = GL2PS_OVERFLOW;
GLint viewport[4];
glGetIntegerv(GL_VIEWPORT, viewport);
while( state == GL2PS_OVERFLOW ){
buffsize += 1024*1024;
gl2psBeginPage ( "MyTitle", "Generated by rgl", viewport,
formatID, GL2PS_BSP_SORT, GL2PS_SILENT |
GL2PS_SIMPLE_LINE_OFFSET | GL2PS_NO_BLENDING |
GL2PS_OCCLUSION_CULL | GL2PS_BEST_ROOT,
GL_RGBA, 0, NULL, 0, 0, 0, buffsize,
fp, filename );
windowImpl->beginGL();
// redraw:
paint();
windowImpl->endGL();
success = true;
state = gl2psEndPage();
}
fclose(fp);
return success;
}
std::string
GUISUMOAbstractView::makeSnapshot(const std::string& destFile) {
std::string errorMessage;
FXString ext = FXPath::extension(destFile.c_str());
const bool useGL2PS = ext == "ps" || ext == "eps" || ext == "pdf" || ext == "svg" || ext == "tex" || ext == "pgf";
#ifdef HAVE_FFMPEG
const bool useVideo = destFile == "" || ext == "h264" || ext == "hevc";
#endif
for (int i = 0; i < 10 && !makeCurrent(); ++i) {
FXSingleEventThread::sleep(100);
}
// draw
glClearColor(
myVisualizationSettings->backgroundColor.red() / 255.,
myVisualizationSettings->backgroundColor.green() / 255.,
myVisualizationSettings->backgroundColor.blue() / 255.,
myVisualizationSettings->backgroundColor.alpha() / 255.);
glClear(GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT);
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
if (myVisualizationSettings->dither) {
glEnable(GL_DITHER);
} else {
glDisable(GL_DITHER);
}
if (myVisualizationSettings->antialiase) {
glEnable(GL_BLEND);
glEnable(GL_POLYGON_SMOOTH);
glEnable(GL_LINE_SMOOTH);
} else {
glDisable(GL_BLEND);
glDisable(GL_POLYGON_SMOOTH);
glDisable(GL_LINE_SMOOTH);
}
applyGLTransform();
if (useGL2PS) {
GLint format = GL2PS_PS;
if (ext == "ps") {
format = GL2PS_PS;
} else if (ext == "eps") {
format = GL2PS_EPS;
} else if (ext == "pdf") {
format = GL2PS_PDF;
} else if (ext == "tex") {
format = GL2PS_TEX;
} else if (ext == "svg") {
format = GL2PS_SVG;
} else if (ext == "pgf") {
format = GL2PS_PGF;
} else {
return "Could not save '" + destFile + "'.\n Unrecognized format '" + std::string(ext.text()) + "'.";
}
FILE* fp = fopen(destFile.c_str(), "wb");
if (fp == 0) {
return "Could not save '" + destFile + "'.\n Could not open file for writing";
}
GLint buffsize = 0, state = GL2PS_OVERFLOW;
GLint viewport[4];
glGetIntegerv(GL_VIEWPORT, viewport);
while (state == GL2PS_OVERFLOW) {
buffsize += 1024 * 1024;
gl2psBeginPage(destFile.c_str(), "sumo-gui; http://sumo.dlr.de", viewport, format, GL2PS_SIMPLE_SORT,
GL2PS_DRAW_BACKGROUND | GL2PS_USE_CURRENT_VIEWPORT,
GL_RGBA, 0, NULL, 0, 0, 0, buffsize, fp, "out.eps");
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glDisable(GL_TEXTURE_2D);
glDisable(GL_ALPHA_TEST);
glDisable(GL_BLEND);
glEnable(GL_DEPTH_TEST);
// compute lane width
// draw decals (if not in grabbing mode)
if (!myUseToolTips) {
drawDecals();
if (myVisualizationSettings->showGrid) {
paintGLGrid();
}
}
glLineWidth(1);
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
Boundary viewPort = myChanger->getViewport();
float minB[2];
float maxB[2];
minB[0] = viewPort.xmin();
minB[1] = viewPort.ymin();
maxB[0] = viewPort.xmax();
maxB[1] = viewPort.ymax();
myVisualizationSettings->scale = m2p(SUMO_const_laneWidth);
glEnable(GL_POLYGON_OFFSET_FILL);
glEnable(GL_POLYGON_OFFSET_LINE);
myGrid->Search(minB, maxB, *myVisualizationSettings);
if (myVisualizationSettings->showSizeLegend) {
displayLegend();
}
state = gl2psEndPage();
glFinish();
}
fclose(fp);
} else {
doPaintGL(GL_RENDER, myChanger->getViewport());
if (myVisualizationSettings->showSizeLegend) {
displayLegend();
}
swapBuffers();
glFinish();
FXColor* buf;
FXMALLOC(&buf, FXColor, getWidth()*getHeight());
// read from the back buffer
glReadBuffer(GL_BACK);
// Read the pixels
glReadPixels(0, 0, getWidth(), getHeight(), GL_RGBA, GL_UNSIGNED_BYTE, (GLvoid*)buf);
makeNonCurrent();
update();
// mirror
size_t mwidth = getWidth();
size_t mheight = getHeight();
FXColor* paa = buf;
FXColor* pbb = buf + mwidth * (mheight - 1);
do {
FXColor* pa = paa;
paa += mwidth;
FXColor* pb = pbb;
pbb -= mwidth;
do {
FXColor t = *pa;
*pa++ = *pb;
*pb++ = t;
} while (pa < paa);
} while (paa < pbb);
try {
#ifdef HAVE_FFMPEG
if (useVideo) {
try {
saveFrame(destFile, buf);
errorMessage = "video";
} catch (std::runtime_error& err) {
errorMessage = err.what();
}
} else
#endif
if (!MFXImageHelper::saveImage(destFile, getWidth(), getHeight(), buf)) {
errorMessage = "Could not save '" + destFile + "'.";
}
} catch (InvalidArgument& e) {
errorMessage = "Could not save '" + destFile + "'.\n" + e.what();
}
FXFREE(&buf);
}
return errorMessage;
}
/**
* Renders the current scene to a file in the format given.
*
* @param filename The name of the target file. It must already contain the correct extension and must be encoded in UTF-8.
* @param format The format of the file to render. Supported are PNG, PDF, PS (postscript) and EPS (encapsulated postscript).
* @param title The titel for the document. Must be ANSI encoded for now.
* @param software A string describing the producer of the document. Must be ANSI encoded for now.
* @param content A set of flags indicating what additional info to render.
* @param zoom The zoom at which render the file.
* @param bounds Position and size of the area to store in the file (currently only for PNG).
* @return True if successful otherwise false.
*/
bool CGenericCanvas::renderToFile(const char* filename, TGCFileFormat format, const char* title, const char* software,
TGCRenderContent content, float zoom, TGCViewport& bounds)
{
bool result = false;
if (!updating())
{
beginUpdate();
try
{
if ((FStates & GC_STATE_PENDING_ACTIVATION) != 0)
{
// A pending activation state always means there is a valid current view.
FStates &= ~GC_STATE_PENDING_ACTIVATION;
FCurrentView->activate();
};
switch (format)
{
case GC_FILE_FORMAT_PDF:
case GC_FILE_FORMAT_PS:
case GC_FILE_FORMAT_EPS:
{
if (FCurrentView != NULL)
{
const int fileTypeMapper[4] = {GL2PS_PDF, GL2PS_PS, GL2PS_EPS, GL2PS_TEX};
FILE *file = openFile(filename, "wb");
GLint bufferSize = 0;
GLint state = GL2PS_OVERFLOW;
char *oldlocale = setlocale(LC_NUMERIC, "C");
while (state == GL2PS_OVERFLOW)
{
bufferSize += 1024 * 1024;
gl2psBeginPage(title, software, NULL, fileTypeMapper[format], GL2PS_NO_SORT, GL2PS_DRAW_BACKGROUND | GL2PS_USE_CURRENT_VIEWPORT |
GL2PS_COMPRESS, GL_RGBA, 0, NULL, 0, 0, 0, bufferSize, file, filename);
gl2psEnable(GL2PS_BLEND);
gl2psBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
clearBuffers();
FCurrentView->render(content);
state = gl2psEndPage();
};
setlocale(LC_NUMERIC, oldlocale);
fclose(file);
result = true;
};
break;
};
case GC_FILE_FORMAT_PNG:
{
if (FCurrentView != NULL)
{
TImage image;
float workspaceWidth;
float workspaceHeight;
FCurrentView->getWorkspace(&workspaceWidth, &workspaceHeight);
image.width = bounds.width;
if (image.width < 0)
image.width = (int) workspaceWidth;
image.height = bounds.height;
if (image.height < 0)
image.height = (int) workspaceHeight;
// If the frame buffer extension is not supported then there is no sense
// to allocate a buffer larger than the current viewport,
// because we cannot render more than this area in this case.
if (!supportsExtension(GC_OE_FRAME_BUFFER_OBJECTS))
{
if (image.height > FCurrentView->viewportGet().height)
image.height = FCurrentView->viewportGet().height;
if (image.width > FCurrentView->viewportGet().width)
image.width = FCurrentView->viewportGet().width;
};
image.colorType = COLOR_TYPE_RGB_ALPHA;
image.data = (unsigned char*) malloc(image.width * image.height * 4);
if (image.data != NULL)
{
FCurrentView->renderToMemory(GC_COLOR_FORMAT_RGBA, content, zoom, bounds, image.data);
image.width = bounds.width;
image.height = bounds.height;
result = savePNG(utf8ToUtf16(filename), &image, true, title, software);
free(image.data);
};
};
break;
};
};
endUpdate();
}
catch(...)
{
endUpdate();
throw;
};
checkError();
};
return result;
}
