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X11Device.cpp Go to the documentation of this file. /* ****************************************************************** ** ** OpenSees - Open System for Earthquake Engineering Simulation ** ** Pacific Earthquake Engineering Research Center ** ** ** ** ** ** (C) Copyright 1999, The Regents of the University of California ** ** All Rights Reserved. ** ** ** ** Commercial use of this program without express permission of the ** ** University of California, Berkeley, is strictly prohibited. See ** ** file 'COPYRIGHT' in main directory for information on usage and ** ** redistribution, and for a DISCLAIMER OF ALL WARRANTIES. ** ** ** ** Developed by: ** ** Frank McKenna (fmckenna@ce.berkeley.edu) ** ** Gregory L. Fenves (fenves@ce.berkeley.edu) ** ** Filip C. Filippou (filippou@ce.berkeley.edu) ** ** ** ** ****************************************************************** */ // $Revision: 1.4 $ // $Date: 2003/02/18 23:38:04 $ // $Source: /usr/local/cvs/OpenSees/SRC/renderer/X11Device.cpp,v $ #include "X11Device.h" #include <OPS_Globals.h> #include <stdlib.h> int X11Device::numX11Device(0); Display *X11Device::theDisplay; Colormap X11Device::cmap; int X11Device::theScreen; unsigned long X11Device::pixels[X11_MAX_COLORS]; XColor X11Device::colors[X11_MAX_COLORS]; int X11Device::colorFlag; X11Device::X11Device() :winOpen(1) { hints.x = 50; hints.y = 50; hints.width = 0; hints.height = 0; drawingPolygon = 0; numPoints = 0; // call the initX11 method if this is the first object if (numX11Device == 0) { this->initX11(); numX11Device++; } } X11Device::~X11Device() { numX11Device--; if (winOpen == 0) { // we must close the old window XFreeGC(theDisplay, theGC); XDestroyWindow(theDisplay, theWindow); } if (numX11Device == 0) { if (colorFlag == 0) XFreeColors(theDisplay, cmap, pixels, 256, 0); else if (colorFlag == 1) XFreeColors(theDisplay, cmap, pixels, 192, 0); else if (colorFlag == 2) XFreeColors(theDisplay, cmap, pixels, 64, 0); XFreeColormap(theDisplay, cmap); XCloseDisplay(theDisplay); } } void X11Device::WINOPEN(int _width, int _height) { if (winOpen == 0) { // we must close the old window XFreeGC(theDisplay, theGC); XDestroyWindow(theDisplay, theWindow); } // define the position and size of the window - only hints hints.x = 50; hints.y = 50; hints.width = _width; hints.height = _height; height = _height; // now open a window theWindow = XCreateSimpleWindow(theDisplay,RootWindow(theDisplay,0), hints.x, hints.y, hints.width,hints.height,4, foreground, background); if (theWindow == 0) { opserr << "X11Device::WINOPEN() - could not open a window\n"; exit(-1); } XSetStandardProperties(theDisplay, theWindow, "g3", "g3", None, 0, 0, &hints); // create a graphical context theGC = XCreateGC(theDisplay, theWindow, 0, 0); XSetBackground(theDisplay, theGC, background); XSetForeground(theDisplay, theGC, foreground); if (colorFlag == 3) { cmap = XCreateColormap(theDisplay,theWindow, DefaultVisual(theDisplay,0),AllocAll); if (cmap == 0) { opserr << "X11Device::initX11() - could not get a new color table\n"; exit(-1); } // we are going to try to allocate 256 new colors -- need 8 planes for this int depth = DefaultDepth(theDisplay, theScreen); if (depth < 8) { opserr << "X11Device::initX11() - needed at least 8 planes\n"; exit(-1); } int cnt = 0; for (int red = 0; red < 8; red++) { for (int green = 0; green < 8; green++) { for (int blue = 0; blue < 4; blue++) { colors[cnt].pixel = pixels[32*red + 4*green + blue]; colors[cnt].red = (65536/7)*red; colors[cnt].green = (65536/7)*green; colors[cnt].blue = (65536/3)*blue; colors[cnt].flags = DoRed | DoGreen | DoBlue; cnt++; } } } XStoreColors(theDisplay, cmap, colors, cnt); XSetWindowColormap(theDisplay, theWindow, cmap); } XMapWindow(theDisplay,theWindow); XClearWindow(theDisplay, theWindow); XFlush(theDisplay); winOpen = 0; } void X11Device::CLEAR() { XSetBackground(theDisplay, theGC, background); XClearWindow(theDisplay, theWindow); XFlush(theDisplay); } void X11Device::C3F(float r, float g, float b) { int index, val; // check range of rgb values if (r<0 || r>1.0 || g<0 || g>1.0 || b<0 || b>1.0) { opserr << "X11Device::X11Device::C3F() rgb val out of range "; opserr << r << " " << g << " " << b << endln; return; } if (colorFlag == 0 || colorFlag == 3) { val = (((int)((r * 7.0)+.5))*32 + ((int)((g * 7.0)+.5))*4 + ((int)((b * 3.0)+.5))); } else if (colorFlag == 1) { val = (((int)((r * 7.0)+.5))*24 + ((int)((g * 5.0)+.5))*4 + ((int)((b * 3.0)+.5))); } else if (colorFlag == 2) { val = ((int)((r * 3.0)+.5))*16 + ((int)((g * 3.0)+.5))*4 + ((int)((b * 3.0)+.5)); } else val = 0; // should never be called index = pixels[val]; XSetForeground(theDisplay, theGC, index); } void X11Device::V2F(float x, float y) { // Flip the Y-Coordinate because X goes from 0->height as we // go top->bottom while GL goes from height->0 as we go top->bottom. y = height-y; if (drawingPolygon) { if (numPoints == MAX_NUM_POINTS_FOR_POLYGON) { opserr << "ERROR: Maximum number of points has been exceeded" << endln; return; } polygonPointArray[numPoints].x = (int)x; polygonPointArray[numPoints].y = (int)y; numPoints++; } else { XDrawPoint(theDisplay, theWindow, theGC, (int) x, (int) y); } } void X11Device::ENDIMAGE() { // Copy the image from our internal // buffer (theImage) onto the display. XFlush(theDisplay); // Update the XServer } void X11Device::STARTIMAGE() { // Copy the image from our internal // buffer (theImage) onto the display. XFlush(theDisplay); // Update the XServer } void X11Device::BGNPOLYGON() { numPoints = 0; drawingPolygon = 1; } void X11Device::ENDPOLYGON() { drawingPolygon = 0; // Draw the polygon with the GCs color opserr << " NUMPOINTS: "<< numPoints << endln; XFillPolygon(theDisplay, theWindow, theGC, polygonPointArray, numPoints, Complex, CoordModeOrigin); } void X11Device::BGNCLOSEDLINE() { numPoints = 0; drawingPolygon = 1; } void X11Device::ENDCLOSEDLINE() { drawingPolygon = 0; // Draw the polygon with the GCs color polygonPointArray[numPoints] = polygonPointArray[0]; // Close the loop XDrawLines(theDisplay, theWindow, theGC, polygonPointArray, numPoints+1, CoordModeOrigin); } void X11Device::BGNPOINT() { } void X11Device::ENDPOINT() { } void X11Device::drawText(float x, float y, char *text, int length) { y = height-y; XDrawString(theDisplay, theWindow, theGC, (int) x, (int) y, text, length); } int X11Device::GetWidth() { int x,y; unsigned int width, h, borderWidth, depth; XGetGeometry(theDisplay, theWindow, &RootWindow(theDisplay,0), &x, &y, &width, &h, &borderWidth, &depth); hints.width = width; hints.height = h; height = h; return width; } int X11Device::GetHeight() { int x,y; unsigned int width, h, borderWidth, depth; XGetGeometry(theDisplay, theWindow, &RootWindow(theDisplay,0), &x, &y, &width, &h, &borderWidth, &depth); hints.width = width; hints.height = h; height = h; return height; } void X11Device::initX11(void) { // set the display and screen variables theDisplay = XOpenDisplay(""); // init a display connection if (theDisplay == 0) { // and check we got one opserr << "X11Device::initX11() - could not connect to display\n"; exit(-1); } theScreen = DefaultScreen(theDisplay); // set the defualt foreground and background colors foreground = BlackPixel(theDisplay, theScreen); background = WhitePixel(theDisplay, theScreen); // lets try using the default colormap cmap = DefaultColormap(theDisplay, theScreen); XVisualInfo vinfo; if (XMatchVisualInfo(theDisplay, theScreen, 8, PseudoColor, &vinfo) == false) opserr << "X11Device::initX11 - could not get info\n"; // we now try to allocate some color cells from the colormap // we start by tring to obtain 256 colors, then 192, finally 64 // if we can't get these (and as a last resort) we create a new color map if (XAllocColorCells(theDisplay, cmap, false, NULL, 0, pixels, 256) != 0) { // we were able to allocate 256 colors from the table for our use colorFlag = 0; int cnt = 0; for (int red =0; red <8; red++) { for (int green = 0; green<8; green++) { for (int blue =0; blue<4; blue++) { colors[cnt].pixel = pixels[32*red + 4*green + blue]; colors[cnt].red = (65536/7)*red; colors[cnt].green = (65536/7)*green; colors[cnt].blue = (65536/3)*blue; colors[cnt].flags = DoRed | DoGreen | DoBlue; cnt++; } } } XStoreColors(theDisplay, cmap, colors, cnt); } else if (XAllocColorCells(theDisplay, cmap, false, NULL, 0, pixels, 192) != 0) { // we were able to allocate 192 colors from the table for our use colorFlag = 1; int cnt = 0; for (int red =0; red <8; red++) { for (int green = 0; green<6; green++) { for (int blue =0; blue<4; blue++) { colors[cnt].pixel = pixels[24*red + 4*green + blue]; colors[cnt].red = (65536/7)*red; colors[cnt].green = (65536/5)*green; colors[cnt].blue = (65536/3)*blue; colors[cnt].flags = DoRed | DoGreen | DoBlue; cnt++; } } } XStoreColors(theDisplay, cmap, colors, cnt); } else if (XAllocColorCells(theDisplay, cmap, false, NULL, 0, pixels, 64) != 0) { colorFlag = 2; int cnt = 0; for (int red =0; red <4; red++) { for (int green = 0; green<4; green++) { for (int blue =0; blue<4; blue++) { colors[cnt].pixel = pixels[16*red + 4*green + blue]; colors[cnt].red = (65536/3)*red; colors[cnt].green = (65536/3)*green; colors[cnt].blue = (65536/3)*blue; colors[cnt].flags = DoRed | DoGreen | DoBlue; cnt++; } } } XStoreColors(theDisplay, cmap, colors, cnt); } else { colorFlag = 3; // lets create our own color table - // problem with this is that screen colors change as we enter opserr << "X11Device::initX11() - could not any colors from the default\n"; opserr << "colormap - have to create our own for the app - windows will\n"; opserr << "windows will change color as move mouse from one window to another\n\n"; } } Generated on Mon Oct 23 15:05:27 2006 for OpenSees by  1.5.0

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