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-rw-r--r--boilerplate/cairo-boilerplate-script.c141
1 files changed, 141 insertions, 0 deletions
diff --git a/boilerplate/cairo-boilerplate-script.c b/boilerplate/cairo-boilerplate-script.c
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+++ b/boilerplate/cairo-boilerplate-script.c
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+/* -*- 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)