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annotate src/X_main.c @ 5:9c331ec9e210

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SVG path is partially supported
author Thinker K.F. Li <thinker@branda.to>
date Sat, 26 Jul 2008 01:37:35 +0800
parents 164162781a7a
children 772511b8b9be
rev   line source
3
164162781a7a Test cairo with Xlib surface
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1 #include <stdio.h>
164162781a7a Test cairo with Xlib surface
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2 #include <unistd.h>
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3 #include <X11/Xlib.h>
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4 #include <cairo.h>
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5
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6 #include <string.h>
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7 #include "shapes.h"
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8
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9 void draw_path(cairo_t *cr, int w, int h) {
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10 shape_t *path;
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11 coord_t coord;
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12
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13 path = sh_path_new("M80 80 c 20 5 -30 20 10 30 l -30 0 z");
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14 memset(coord.aggr_matrix, 0, sizeof(co_aix) * 6);
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15 coord.aggr_matrix[0] = 1;
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16 coord.aggr_matrix[1] = 0.5;
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17 coord.aggr_matrix[4] = 1;
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18 coord.aggr_matrix[5] = 0.5;
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19 sh_path_transform(path, &coord);
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20 sh_path_draw(path, cr);
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21 }
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22
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23 void drawing(cairo_surface_t *surface, int w, int h) {
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24 cairo_t *cr;
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25
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26 cr = cairo_create(surface);
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27 cairo_set_source_rgb(cr, 0xff, 0xff, 0x80);
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28 draw_path(cr, w, h);
3
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29 cairo_move_to(cr, 10, h / 2);
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30 cairo_set_font_size(cr, 48.0);
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31 cairo_text_path(cr, "hello \xe4\xb8\xad\xe6\x96\x87");
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32 cairo_set_line_width(cr, 1);
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33 cairo_stroke(cr);
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34 }
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35
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36 int
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37 main(int argc, char * const argv[]) {
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38 Display *display;
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39 Window root;
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40 Visual *visual;
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41 int screen;
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42 XSetWindowAttributes wattr;
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43 Window win;
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44 int depth;
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45 cairo_surface_t *surface;
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46 int w, h;
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47 int x, y;
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48 int r;
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49
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50 display = XOpenDisplay(":0.0");
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51 if(display == NULL)
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52 printf("XOpenDisplay\n");
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53 screen = DefaultScreen(display);
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54 root = DefaultRootWindow(display);
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55 visual = DefaultVisual(display, screen);
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56 depth = DefaultDepth(display, screen);
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57 wattr.override_redirect = False;
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58 x = 10;
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59 y = 10;
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60 w = 200;
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61 h = 200;
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62 win = XCreateWindow(display, root,
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63 x, y,
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64 w, h,
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65 1, depth, InputOutput, visual,
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66 CWOverrideRedirect, &wattr);
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67 r = XMapWindow(display, win);
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68
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69 surface = cairo_xlib_surface_create(display, win, visual, w, h);
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70 if(surface == NULL)
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71 printf("cairo_xlib_surface_create\n");
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72
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73 drawing(surface, w, h);
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74
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75 XFlush(display);
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76 sleep(10);
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77
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78 XCloseDisplay(display);
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79 }