1 /* -*- Mode: c; c-basic-offset: 4; indent-tabs-mode: t; tab-width: 8; -*- */
2 /*
3 * Copyright © Chris Wilson
4 *
5 * Permission to use, copy, modify, distribute, and sell this software
6 * and its documentation for any purpose is hereby granted without
7 * fee, provided that the above copyright notice appear in all copies
8 * and that both that copyright notice and this permission notice
9 * appear in supporting documentation, and that the name of
10 * Chris Wilson not be used in advertising or publicity pertaining to
11 * distribution of the software without specific, written prior
12 * permission. Chris Wilson makes no representations about the
13 * suitability of this software for any purpose. It is provided "as
14 * is" without express or implied warranty.
15 *
16 * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
17 * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
18 * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL,
19 * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
20 * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
21 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
22 * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
23 *
24 * Author: Chris Wilson <chris@chris-wilson.co.uk>
25 */
26
27 #include "cairo-boilerplate-private.h"
28
29 #include "cairo-script.h"
30
31 static cairo_user_data_key_t script_closure_key;
32
33 typedef struct _script_target_closure {
34 char *filename;
35 double width;
36 double height;
37 } script_target_closure_t;
38
39 static cairo_surface_t *
_cairo_boilerplate_script_create_surface(const char * name,cairo_content_t content,double width,double height,double max_width,double max_height,cairo_boilerplate_mode_t mode,void ** closure)40 _cairo_boilerplate_script_create_surface (const char *name,
41 cairo_content_t content,
42 double width,
43 double height,
44 double max_width,
45 double max_height,
46 cairo_boilerplate_mode_t mode,
47 void **closure)
48 {
49 script_target_closure_t *ptc;
50 cairo_device_t *ctx;
51 cairo_surface_t *surface;
52 cairo_status_t status;
53
54 *closure = ptc = xmalloc (sizeof (script_target_closure_t));
55
56 ptc->width = width;
57 ptc->height = height;
58
59 xasprintf (&ptc->filename, "%s.out.cs", name);
60 xunlink (ptc->filename);
61
62 ctx = cairo_script_create (ptc->filename);
63 surface = cairo_script_surface_create (ctx, content, width, height);
64 cairo_device_destroy (ctx);
65
66 status = cairo_surface_set_user_data (surface,
67 &script_closure_key, ptc, NULL);
68 if (status == CAIRO_STATUS_SUCCESS)
69 return surface;
70
71 cairo_surface_destroy (surface);
72 surface = cairo_boilerplate_surface_create_in_error (status);
73
74 free (ptc->filename);
75 free (ptc);
76 return surface;
77 }
78
79 static cairo_status_t
_cairo_boilerplate_script_finish_surface(cairo_surface_t * surface)80 _cairo_boilerplate_script_finish_surface (cairo_surface_t *surface)
81 {
82 cairo_surface_finish (surface);
83 return cairo_surface_status (surface);
84 }
85
86 static cairo_status_t
_cairo_boilerplate_script_surface_write_to_png(cairo_surface_t * surface,const char * filename)87 _cairo_boilerplate_script_surface_write_to_png (cairo_surface_t *surface,
88 const char *filename)
89 {
90 return CAIRO_STATUS_WRITE_ERROR;
91 }
92
93 static cairo_surface_t *
_cairo_boilerplate_script_convert_to_image(cairo_surface_t * surface,int page)94 _cairo_boilerplate_script_convert_to_image (cairo_surface_t *surface,
95 int page)
96 {
97 script_target_closure_t *ptc = cairo_surface_get_user_data (surface,
98 &script_closure_key);
99 return cairo_boilerplate_convert_to_image (ptc->filename, page);
100 }
101
102 static cairo_surface_t *
_cairo_boilerplate_script_get_image_surface(cairo_surface_t * surface,int page,int width,int height)103 _cairo_boilerplate_script_get_image_surface (cairo_surface_t *surface,
104 int page,
105 int width,
106 int height)
107 {
108 cairo_surface_t *image;
109
110 image = _cairo_boilerplate_script_convert_to_image (surface, page);
111 cairo_surface_set_device_offset (image,
112 cairo_image_surface_get_width (image) - width,
113 cairo_image_surface_get_height (image) - height);
114 surface = _cairo_boilerplate_get_image_surface (image, 0, width, height);
115 cairo_surface_destroy (image);
116
117 return surface;
118 }
119
120 static void
_cairo_boilerplate_script_cleanup(void * closure)121 _cairo_boilerplate_script_cleanup (void *closure)
122 {
123 script_target_closure_t *ptc = closure;
124 free (ptc->filename);
125 free (ptc);
126 }
127
128 static const cairo_boilerplate_target_t target[] = {{
129 "script", "script", ".cs", NULL,
130 CAIRO_SURFACE_TYPE_SCRIPT, CAIRO_CONTENT_COLOR_ALPHA, 0,
131 "cairo_script_surface_create",
132 _cairo_boilerplate_script_create_surface,
133 cairo_surface_create_similar,
134 NULL,
135 _cairo_boilerplate_script_finish_surface,
136 _cairo_boilerplate_script_get_image_surface,
137 _cairo_boilerplate_script_surface_write_to_png,
138 _cairo_boilerplate_script_cleanup,
139 NULL, NULL, FALSE, FALSE, FALSE
140 }};
141 CAIRO_BOILERPLATE (script, target)
142