diff options
Diffstat (limited to 'progs/xdemos/xrotfontdemo.c')
| -rw-r--r-- | progs/xdemos/xrotfontdemo.c | 220 |
1 files changed, 0 insertions, 220 deletions
diff --git a/progs/xdemos/xrotfontdemo.c b/progs/xdemos/xrotfontdemo.c deleted file mode 100644 index 58cd0286cc..0000000000 --- a/progs/xdemos/xrotfontdemo.c +++ /dev/null @@ -1,220 +0,0 @@ -/* - * Mesa 3-D graphics library - * - * Copyright (C) 1999 Brian Paul All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included - * in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN - * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - - -/* - * Example of using glXUseRotatedXFontMESA(). - * 24 Jan 2004 - * Brian Paul - */ - - -#include <GL/gl.h> -#include <GL/glx.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include "xuserotfont.h" - - -static const char *ProgramName = "xfont"; - -static const char *FontName = "fixed"; - -static GLuint FontBase[4]; - - -static void redraw( Display *dpy, Window w ) -{ - static const char *text = " Rotated bitmap text"; - int i; - - glClear( GL_COLOR_BUFFER_BIT ); - - /* triangle */ - glColor3f( 0.2, 0.2, 1.0 ); - glBegin(GL_TRIANGLES); - glVertex2f( -0.8, 0.7 ); - glVertex2f( -0.8, -0.7 ); - glVertex2f( 0.8, 0.0 ); - glEnd(); - - /* marker */ - glColor3f( 0, 1, 0 ); - glBegin(GL_POINTS); - glVertex2f(0, 0); - glEnd(); - - /* text */ - glColor3f( 1, 1, 1 ); - - for (i = 0; i < 4; i++) { - glRasterPos2f(0, 0); - glListBase(FontBase[i]); - glCallLists(strlen(text), GL_UNSIGNED_BYTE, (GLubyte *) text); - } - - glXSwapBuffers( dpy, w ); -} - - - -static void resize( unsigned int width, unsigned int height ) -{ - glViewport( 0, 0, width, height ); - glMatrixMode( GL_PROJECTION ); - glLoadIdentity(); - glOrtho( -1.0, 1.0, -1.0, 1.0, -1.0, 1.0 ); -} - - - -static void setup_font( Display *dpy ) -{ - XFontStruct *fontInfo; - Font id; - unsigned int first, last; - int i; - - fontInfo = XLoadQueryFont(dpy, FontName); - if (!fontInfo) { - printf("Error: font %s not found\n", FontName); - exit(0); - } - - id = fontInfo->fid; - first = fontInfo->min_char_or_byte2; - last = fontInfo->max_char_or_byte2; - - for (i = 0; i < 4; i++) { - FontBase[i] = glGenLists((GLuint) last + 1); - if (!FontBase[i]) { - printf("Error: unable to allocate display lists\n"); - exit(0); - } - glXUseRotatedXFontMESA(id, first, last - first + 1, FontBase[i] + first, - i * 90); - } -} - - -static Window make_rgb_db_window( Display *dpy, int xpos, int ypos, - unsigned int width, unsigned int height ) -{ - int attrib[] = { GLX_RGBA, - GLX_RED_SIZE, 1, - GLX_GREEN_SIZE, 1, - GLX_BLUE_SIZE, 1, - GLX_DOUBLEBUFFER, - None }; - int scrnum; - XSetWindowAttributes attr; - unsigned long mask; - Window root; - Window win; - GLXContext ctx; - XVisualInfo *visinfo; - - scrnum = DefaultScreen( dpy ); - root = RootWindow( dpy, scrnum ); - - visinfo = glXChooseVisual( dpy, scrnum, attrib ); - if (!visinfo) { - printf("Error: couldn't get an RGB, Double-buffered visual\n"); - exit(1); - } - - /* window attributes */ - attr.background_pixel = 0; - attr.border_pixel = 0; - attr.colormap = XCreateColormap( dpy, root, visinfo->visual, AllocNone); - attr.event_mask = StructureNotifyMask | ExposureMask | KeyPressMask; - mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask; - - win = XCreateWindow( dpy, root, 0, 0, width, height, - 0, visinfo->depth, InputOutput, - visinfo->visual, mask, &attr ); - - { - XSizeHints sizehints; - sizehints.x = xpos; - sizehints.y = ypos; - sizehints.width = width; - sizehints.height = height; - sizehints.flags = USSize | USPosition; - XSetNormalHints(dpy, win, &sizehints); - XSetStandardProperties(dpy, win, ProgramName, ProgramName, - None, (char **)NULL, 0, &sizehints); - } - - - ctx = glXCreateContext( dpy, visinfo, NULL, True ); - - glXMakeCurrent( dpy, win, ctx ); - - return win; -} - - -static void event_loop( Display *dpy ) -{ - XEvent event; - - while (1) { - XNextEvent( dpy, &event ); - - switch (event.type) { - case Expose: - redraw( dpy, event.xany.window ); - break; - case ConfigureNotify: - resize( event.xconfigure.width, event.xconfigure.height ); - break; - case KeyPress: - exit(0); - default: - ; /* no-op */ - } - } -} - - - -int main( int argc, char *argv[] ) -{ - Display *dpy; - Window win; - - dpy = XOpenDisplay(NULL); - - win = make_rgb_db_window( dpy, 0, 0, 300, 300 ); - setup_font( dpy ); - - glShadeModel( GL_FLAT ); - glClearColor( 0.5, 0.5, 1.0, 1.0 ); - - XMapWindow( dpy, win ); - - event_loop( dpy ); - return 0; -} |