diff options
Diffstat (limited to 'libs/cairo-1.16.0/boilerplate/cairo-boilerplate-script.c')
-rw-r--r-- | libs/cairo-1.16.0/boilerplate/cairo-boilerplate-script.c | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/libs/cairo-1.16.0/boilerplate/cairo-boilerplate-script.c b/libs/cairo-1.16.0/boilerplate/cairo-boilerplate-script.c new file mode 100644 index 0000000..da8ae3b --- /dev/null +++ b/libs/cairo-1.16.0/boilerplate/cairo-boilerplate-script.c @@ -0,0 +1,141 @@ +/* -*- Mode: c; c-basic-offset: 4; indent-tabs-mode: t; tab-width: 8; -*- */ +/* + * Copyright © Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Chris Wilson makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-boilerplate-private.h" + +#include "cairo-script.h" + +static cairo_user_data_key_t script_closure_key; + +typedef struct _script_target_closure { + char *filename; + double width; + double height; +} script_target_closure_t; + +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) +{ + script_target_closure_t *ptc; + cairo_device_t *ctx; + cairo_surface_t *surface; + cairo_status_t status; + + *closure = ptc = xmalloc (sizeof (script_target_closure_t)); + + ptc->width = width; + ptc->height = height; + + xasprintf (&ptc->filename, "%s.out.cs", name); + xunlink (ptc->filename); + + ctx = cairo_script_create (ptc->filename); + surface = cairo_script_surface_create (ctx, content, width, height); + cairo_device_destroy (ctx); + + status = cairo_surface_set_user_data (surface, + &script_closure_key, ptc, NULL); + if (status == CAIRO_STATUS_SUCCESS) + return surface; + + cairo_surface_destroy (surface); + surface = cairo_boilerplate_surface_create_in_error (status); + + free (ptc->filename); + free (ptc); + return surface; +} + +static cairo_status_t +_cairo_boilerplate_script_finish_surface (cairo_surface_t *surface) +{ + cairo_surface_finish (surface); + return cairo_surface_status (surface); +} + +static cairo_status_t +_cairo_boilerplate_script_surface_write_to_png (cairo_surface_t *surface, + const char *filename) +{ + return CAIRO_STATUS_WRITE_ERROR; +} + +static cairo_surface_t * +_cairo_boilerplate_script_convert_to_image (cairo_surface_t *surface, + int page) +{ + script_target_closure_t *ptc = cairo_surface_get_user_data (surface, + &script_closure_key); + return cairo_boilerplate_convert_to_image (ptc->filename, page); +} + +static cairo_surface_t * +_cairo_boilerplate_script_get_image_surface (cairo_surface_t *surface, + int page, + int width, + int height) +{ + cairo_surface_t *image; + + image = _cairo_boilerplate_script_convert_to_image (surface, page); + cairo_surface_set_device_offset (image, + cairo_image_surface_get_width (image) - width, + cairo_image_surface_get_height (image) - height); + surface = _cairo_boilerplate_get_image_surface (image, 0, width, height); + cairo_surface_destroy (image); + + return surface; +} + +static void +_cairo_boilerplate_script_cleanup (void *closure) +{ + script_target_closure_t *ptc = closure; + free (ptc->filename); + free (ptc); +} + +static const cairo_boilerplate_target_t target[] = {{ + "script", "script", ".cs", NULL, + CAIRO_SURFACE_TYPE_SCRIPT, CAIRO_CONTENT_COLOR_ALPHA, 0, + "cairo_script_surface_create", + _cairo_boilerplate_script_create_surface, + cairo_surface_create_similar, + NULL, + _cairo_boilerplate_script_finish_surface, + _cairo_boilerplate_script_get_image_surface, + _cairo_boilerplate_script_surface_write_to_png, + _cairo_boilerplate_script_cleanup, + NULL, NULL, FALSE, FALSE, FALSE +}}; +CAIRO_BOILERPLATE (script, target) |