display-x11.c
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上传日期:2021-12-09
资源大小:5084k
文件大小:8k
源码类别:
Audio
开发平台:
Visual C++
- /*****************************************************************************
- * x264: h264 encoder
- *****************************************************************************
- * Copyright (C) 2005 x264 project
- *
- * Author: Tuukka Toivonen <tuukkat@ee.oulu.fi>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
- *****************************************************************************/
- #include <X11/Xlib.h>
- #include <X11/Xutil.h>
- #include <stdio.h>
- #include <string.h>
- #include "display.h"
- static long event_mask = ConfigureNotify|ExposureMask|KeyPressMask|ButtonPressMask|StructureNotifyMask|ResizeRedirectMask;
- static Display *disp_display = NULL;
- static struct disp_window {
- int init;
- Window window;
- } disp_window[10];
- static inline void disp_chkerror(int cond, char *e) {
- if (!cond) return;
- fprintf(stderr, "error: %sn", e ? e : "?");
- abort();
- }
- static void disp_init_display(void) {
- Visual *visual;
- int dpy_class;
- int screen;
- int dpy_depth;
- if (disp_display != NULL) return;
- memset(&disp_window, 0, sizeof(disp_window));
- disp_display = XOpenDisplay("");
- disp_chkerror(!disp_display, "no display");
- screen = DefaultScreen(disp_display);
- visual = DefaultVisual(disp_display, screen);
- dpy_class = visual->class;
- dpy_depth = DefaultDepth(disp_display, screen);
- disp_chkerror(!((dpy_class == TrueColor && dpy_depth == 32)
- || (dpy_class == TrueColor && dpy_depth == 24)
- || (dpy_class == TrueColor && dpy_depth == 16)
- || (dpy_class == PseudoColor && dpy_depth == 8)),
- "requires 8 bit PseudoColor or 16/24/32 bit TrueColor display");
- }
- static void disp_init_window(int num, int width, int height, const unsigned char *tit) {
- XSizeHints *shint;
- XSetWindowAttributes xswa;
- XEvent xev;
- int screen = DefaultScreen(disp_display);
- Visual *visual = DefaultVisual (disp_display, screen);
- unsigned int fg, bg;
- unsigned int mask;
- char title[200];
- Window window;
- int dpy_depth;
- if (tit) {
- snprintf(title, 200, "%s: %i/disp", tit, num);
- } else {
- snprintf(title, 200, "%i/disp", num);
- }
- shint = XAllocSizeHints();
- disp_chkerror(!shint, "memerror");
- shint->min_width = shint->max_width = shint->width = width;
- shint->min_height = shint->max_height = shint->height = height;
- shint->flags = PSize | PMinSize | PMaxSize;
- disp_chkerror(num<0 || num>=10, "bad win num");
- if (!disp_window[num].init) {
- disp_window[num].init = 1;
- bg = WhitePixel(disp_display, screen);
- fg = BlackPixel(disp_display, screen);
- dpy_depth = DefaultDepth(disp_display, screen);
- if (dpy_depth==32 || dpy_depth==24 || dpy_depth==16) {
- mask |= CWColormap;
- xswa.colormap = XCreateColormap(disp_display, DefaultRootWindow(disp_display), visual, AllocNone);
- }
- xswa.background_pixel = bg;
- xswa.border_pixel = fg;
- xswa.backing_store = Always;
- xswa.backing_planes = -1;
- xswa.bit_gravity = NorthWestGravity;
- mask = CWBackPixel | CWBorderPixel | CWBackingStore | CWBackingPlanes | CWBitGravity;
- window = XCreateWindow(disp_display, DefaultRootWindow(disp_display),
- shint->x, shint->y, shint->width, shint->height,
- 1, dpy_depth, InputOutput, visual, mask, &xswa);
- disp_window[num].window = window;
- XSelectInput(disp_display, window, event_mask);
- XSetStandardProperties(disp_display, window, title, title, None, NULL, 0, shint); /* Tell other applications about this window */
- XMapWindow(disp_display, window); /* Map window. */
- do { /* Wait for map. */
- XNextEvent(disp_display, &xev);
- } while (xev.type!=MapNotify || xev.xmap.event!=window);
- //XSelectInput(disp_display, window, KeyPressMask); /* XSelectInput(display, window, NoEventMask);*/
- }
- window = disp_window[num].window;
- XSetStandardProperties(disp_display, window, title, title, None, NULL, 0, shint); /* Tell other applications about this window */
- XResizeWindow(disp_display, window, width, height);
- XSync(disp_display, 1);
- XFree(shint);
- }
- void disp_sync(void) {
- XSync(disp_display, 1);
- }
- void disp_setcolor(unsigned char *name) {
- int screen;
- GC gc;
- XColor c_exact, c_nearest;
- Colormap cm;
- Status st;
- screen = DefaultScreen(disp_display);
- gc = DefaultGC(disp_display, screen); /* allocate colors */
- cm = DefaultColormap(disp_display, screen);
- st = XAllocNamedColor(disp_display, cm, name, &c_nearest, &c_exact);
- disp_chkerror(st!=1, "XAllocNamedColor error");
- XSetForeground(disp_display, gc, c_nearest.pixel);
- }
- void disp_gray(int num, char *data, int width, int height, int stride, const unsigned char *tit) {
- Visual *visual;
- XImage *ximage;
- unsigned char *image;
- int y,x,pixelsize;
- char dummy;
- int t = 1;
- int dpy_depth;
- int screen;
- GC gc;
- //XEvent xev;
- disp_init_display();
- disp_init_window(num, width, height, tit);
- screen = DefaultScreen(disp_display);
- visual = DefaultVisual(disp_display, screen);
- dpy_depth = DefaultDepth(disp_display, screen);
- ximage = XCreateImage(disp_display, visual, dpy_depth, ZPixmap, 0, &dummy, width, height, 8, 0);
- disp_chkerror(!ximage, "no ximage");
- if (*(char *)&t == 1) {
- ximage->byte_order = LSBFirst;
- ximage->bitmap_bit_order = LSBFirst;
- } else {
- ximage->byte_order = MSBFirst;
- ximage->bitmap_bit_order = MSBFirst;
- }
- pixelsize = dpy_depth>8 ? sizeof(int) : sizeof(unsigned char);
- image = malloc(width * height * pixelsize);
- disp_chkerror(!image, "malloc failed");
- for (y=0; y<height; y++) for (x=0; x<width; x++) {
- memset(&image[(width*y + x)*pixelsize], data[y*stride+x], pixelsize);
- }
- ximage->data = image;
- gc = DefaultGC(disp_display, screen); /* allocate colors */
- // XUnmapWindow(disp_display, disp_window[num].window); /* Map window. */
- // XMapWindow(disp_display, disp_window[num].window); /* Map window. */
- XPutImage(disp_display, disp_window[num].window, gc, ximage, 0, 0, 0, 0, width, height);
- // do { /* Wait for map. */
- // XNextEvent(disp_display, &xev);
- // } while (xev.type!=MapNotify || xev.xmap.event!=disp_window[num].window);
- XPutImage(disp_display, disp_window[num].window, gc, ximage, 0, 0, 0, 0, width, height);
- XDestroyImage(ximage);
- XSync(disp_display, 1);
- }
- void disp_gray_zoom(int num, char *data, int width, int height, int stride, const unsigned char *tit, int zoom) {
- unsigned char *dataz;
- int y,x,y0,x0;
- dataz = malloc(width*zoom * height*zoom);
- disp_chkerror(!dataz, "malloc");
- for (y=0; y<height; y++) for (x=0; x<width; x++) {
- for (y0=0; y0<zoom; y0++) for (x0=0; x0<zoom; x0++) {
- dataz[(y*zoom + y0)*width*zoom + x*zoom + x0] = data[y*stride+x];
- }
- }
- disp_gray(num, dataz, width*zoom, height*zoom, width*zoom, tit);
- free(dataz);
- }
- void disp_point(int num, int x1, int y1) {
- int screen;
- GC gc;
- screen = DefaultScreen(disp_display);
- gc = DefaultGC(disp_display, screen); /* allocate colors */
- XDrawPoint(disp_display, disp_window[num].window, gc, x1, y1);
- // XSync(disp_display, 1);
- }
- void disp_line(int num, int x1, int y1, int x2, int y2) {
- int screen;
- GC gc;
- screen = DefaultScreen(disp_display);
- gc = DefaultGC(disp_display, screen); /* allocate colors */
- XDrawLine(disp_display, disp_window[num].window, gc, x1, y1, x2, y2);
- // XSync(disp_display, 1);
- }
- void disp_rect(int num, int x1, int y1, int x2, int y2) {
- int screen;
- GC gc;
- screen = DefaultScreen(disp_display);
- gc = DefaultGC(disp_display, screen); /* allocate colors */
- XDrawRectangle(disp_display, disp_window[num].window, gc, x1, y1, x2-x1, y2-y1);
- // XSync(disp_display, 1);
- }