Mercurial > MadButterfly

comparison src/X_main.c @ 24:e598bc809c0f

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
No more flash when animation. 1. Add a buffer surface. 2. Draw on the surface 3. Copy content of buffer surface to XLib surface.
author Thinker K.F. Li <thinker@branda.to>
date Sun, 03 Aug 2008 02:08:31 +0800
parents 56f592f56ff7
children d50f33040de6
comparison
equal deleted inserted replaced
23:56f592f56ff7 24:e598bc809c0f
11 #include "paint.h" 11 #include "paint.h"
12 12
13 Display *display; 13 Display *display;
14 14
15 void draw_path(cairo_t *cr, int w, int h) { 15 void draw_path(cairo_t *cr, int w, int h) {
16 cairo_t *tmpcr;
17 cairo_surface_t *tmpsuf;
16 redraw_man_t rdman; 18 redraw_man_t rdman;
17 shape_t *path1, *path2, *path3; 19 shape_t *path1, *path2, *path3;
18 coord_t *coord1, *coord2; 20 coord_t *coord1, *coord2;
19 paint_t *fill1, *fill2, *fill3; 21 paint_t *fill1, *fill2, *fill3;
20 paint_t *stroke; 22 paint_t *stroke;
21 grad_stop_t fill3_stops[3]; 23 grad_stop_t fill3_stops[3];
22 int i; 24 int i;
23 25
24 redraw_man_init(&rdman, cr); 26 tmpsuf = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, w, h);
27 tmpcr = cairo_create(tmpsuf);
28 cairo_set_source_surface(cr, tmpsuf, 0, 0);
29 redraw_man_init(&rdman, tmpcr, cr);
25 coord1 = rdman_coord_new(&rdman, rdman.root_coord); 30 coord1 = rdman_coord_new(&rdman, rdman.root_coord);
26 coord2 = rdman_coord_new(&rdman, rdman.root_coord); 31 coord2 = rdman_coord_new(&rdman, rdman.root_coord);
27 32
28 fill1 = paint_color_new(&rdman, 1, 1, 0, 0.5); 33 fill1 = paint_color_new(&rdman, 1, 1, 0, 0.5);
29 fill2 = paint_color_new(&rdman, 0, 1, 1, 0.5); 34 fill2 = paint_color_new(&rdman, 0, 1, 1, 0.5);
92 fill1->free(fill1); 97 fill1->free(fill1);
93 fill2->free(fill2); 98 fill2->free(fill2);
94 redraw_man_destroy(&rdman); 99 redraw_man_destroy(&rdman);
95 sh_path_free(path1); 100 sh_path_free(path1);
96 sh_path_free(path2); 101 sh_path_free(path2);
102 cairo_destroy(tmpcr);
103 cairo_surface_destroy(tmpsuf);
97 } 104 }
98 105
99 void drawing(cairo_surface_t *surface, int w, int h) { 106 void drawing(cairo_surface_t *surface, int w, int h) {
100 cairo_t *cr; 107 cairo_t *cr;
101 108