add cairo

1 files changed, 388 insertions, 0 deletions

diff --git a/libs/cairo-1.16.0/src/cairo-quartz-image-surface.c b/libs/cairo-1.16.0/src/cairo-quartz-image-surface.c
new file mode 100644
index 0000000..84d56c9
--- /dev/null
+++ b/libs/cairo-1.16.0/src/cairo-quartz-image-surface.c
@@ -0,0 +1,388 @@
+/* -*- Mode: c; c-basic-offset: 4; indent-tabs-mode: t; tab-width: 8; -*- */
+/* cairo - a vector graphics library with display and print output
+ *
+ * Copyright � 2008 Mozilla Corporation
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it either under the terms of the GNU Lesser General Public
+ * License version 2.1 as published by the Free Software Foundation
+ * (the "LGPL") or, at your option, under the terms of the Mozilla
+ * Public License Version 1.1 (the "MPL"). If you do not alter this
+ * notice, a recipient may use your version of this file under either
+ * the MPL or the LGPL.
+ *
+ * You should have received a copy of the LGPL along with this library
+ * in the file COPYING-LGPL-2.1; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA
+ * You should have received a copy of the MPL along with this library
+ * in the file COPYING-MPL-1.1
+ *
+ * The contents of this file are subject to the Mozilla Public License
+ * Version 1.1 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY
+ * OF ANY KIND, either express or implied. See the LGPL or the MPL for
+ * the specific language governing rights and limitations.
+ *
+ * The Original Code is the cairo graphics library.
+ *
+ * The Initial Developer of the Original Code is Mozilla Foundation.
+ *
+ * Contributor(s):
+ *	Vladimir Vukicevic <vladimir@mozilla.com>
+ */
+
+#include "cairoint.h"
+
+#include "cairo-image-surface-inline.h"
+#include "cairo-quartz-image.h"
+#include "cairo-quartz-private.h"
+#include "cairo-surface-backend-private.h"
+
+#include "cairo-error-private.h"
+#include "cairo-default-context-private.h"
+
+#define SURFACE_ERROR_NO_MEMORY (_cairo_surface_create_in_error(_cairo_error(CAIRO_STATUS_NO_MEMORY)))
+#define SURFACE_ERROR_TYPE_MISMATCH (_cairo_surface_create_in_error(_cairo_error(CAIRO_STATUS_SURFACE_TYPE_MISMATCH)))
+#define SURFACE_ERROR_INVALID_SIZE (_cairo_surface_create_in_error(_cairo_error(CAIRO_STATUS_INVALID_SIZE)))
+#define SURFACE_ERROR_INVALID_FORMAT (_cairo_surface_create_in_error(_cairo_error(CAIRO_STATUS_INVALID_FORMAT)))
+
+static void
+DataProviderReleaseCallback (void *info, const void *data, size_t size)
+{
+    cairo_surface_t *surface = (cairo_surface_t *) info;
+    cairo_surface_destroy (surface);
+}
+
+static cairo_surface_t *
+_cairo_quartz_image_surface_create_similar (void *asurface,
+					    cairo_content_t content,
+					    int width,
+					    int height)
+{
+    cairo_surface_t *isurf =
+	_cairo_image_surface_create_with_content (content, width, height);
+    cairo_surface_t *result = cairo_quartz_image_surface_create (isurf);
+    cairo_surface_destroy (isurf);
+
+    return result;
+}
+
+static cairo_surface_t *
+_cairo_quartz_image_surface_create_similar_image (void *asurface,
+						  cairo_format_t format,
+						  int width,
+						  int height)
+{
+    cairo_surface_t *isurf = cairo_image_surface_create (format, width, height);
+    cairo_surface_t *result = cairo_quartz_image_surface_create (isurf);
+    cairo_surface_destroy (isurf);
+
+    return result;
+}
+
+static cairo_status_t
+_cairo_quartz_image_surface_finish (void *asurface)
+{
+    cairo_quartz_image_surface_t *surface = (cairo_quartz_image_surface_t *) asurface;
+
+    /* the imageSurface will be destroyed by the data provider's release callback */
+    CGImageRelease (surface->image);
+
+    return CAIRO_STATUS_SUCCESS;
+}
+
+static cairo_status_t
+_cairo_quartz_image_surface_acquire_source_image (void *asurface,
+						  cairo_image_surface_t **image_out,
+						  void **image_extra)
+{
+    cairo_quartz_image_surface_t *surface = (cairo_quartz_image_surface_t *) asurface;
+
+    *image_out = surface->imageSurface;
+    *image_extra = NULL;
+
+    return CAIRO_STATUS_SUCCESS;
+}
+
+static cairo_image_surface_t *
+_cairo_quartz_image_surface_map_to_image (void *asurface,
+					  const cairo_rectangle_int_t *extents)
+{
+    cairo_quartz_image_surface_t *surface = (cairo_quartz_image_surface_t *) asurface;
+    return _cairo_surface_map_to_image (&surface->imageSurface->base, extents);
+}
+
+static cairo_int_status_t
+_cairo_quartz_image_surface_unmap_image (void *asurface,
+					 cairo_image_surface_t *image)
+{
+    cairo_quartz_image_surface_t *surface = (cairo_quartz_image_surface_t *) asurface;
+    return _cairo_surface_unmap_image (&surface->imageSurface->base, image);
+}
+
+static cairo_bool_t
+_cairo_quartz_image_surface_get_extents (void *asurface,
+					 cairo_rectangle_int_t *extents)
+{
+    cairo_quartz_image_surface_t *surface = (cairo_quartz_image_surface_t *) asurface;
+
+    extents->x = 0;
+    extents->y = 0;
+    extents->width  = surface->width;
+    extents->height = surface->height;
+    return TRUE;
+}
+
+/* we assume some drawing happened to the image buffer; make sure it's
+ * represented in the CGImage on flush()
+ */
+
+static cairo_status_t
+_cairo_quartz_image_surface_flush (void *asurface,
+				   unsigned flags)
+{
+    cairo_quartz_image_surface_t *surface = (cairo_quartz_image_surface_t *) asurface;
+    CGImageRef oldImage = surface->image;
+    CGImageRef newImage = NULL;
+
+    if (flags)
+	return CAIRO_STATUS_SUCCESS;
+
+    /* XXX only flush if the image has been modified. */
+
+    /* To be released by the ReleaseCallback */
+    cairo_surface_reference ((cairo_surface_t*) surface->imageSurface);
+
+    newImage = CairoQuartzCreateCGImage (surface->imageSurface->format,
+					 surface->imageSurface->width,
+					 surface->imageSurface->height,
+					 surface->imageSurface->stride,
+					 surface->imageSurface->data,
+					 TRUE,
+					 NULL,
+					 DataProviderReleaseCallback,
+					 surface->imageSurface);
+
+    surface->image = newImage;
+    CGImageRelease (oldImage);
+
+    return CAIRO_STATUS_SUCCESS;
+}
+
+static cairo_int_status_t
+_cairo_quartz_image_surface_paint (void			*abstract_surface,
+				   cairo_operator_t		 op,
+				   const cairo_pattern_t	*source,
+				   const cairo_clip_t		*clip)
+{
+    cairo_quartz_image_surface_t *surface = abstract_surface;
+    return _cairo_surface_paint (&surface->imageSurface->base,
+				 op, source, clip);
+}
+
+static cairo_int_status_t
+_cairo_quartz_image_surface_mask (void				*abstract_surface,
+				  cairo_operator_t		 op,
+				  const cairo_pattern_t		*source,
+				  const cairo_pattern_t		*mask,
+				  const cairo_clip_t		*clip)
+{
+    cairo_quartz_image_surface_t *surface = abstract_surface;
+    return _cairo_surface_mask (&surface->imageSurface->base,
+				op, source, mask, clip);
+}
+
+static cairo_int_status_t
+_cairo_quartz_image_surface_stroke (void			*abstract_surface,
+				    cairo_operator_t		 op,
+				    const cairo_pattern_t	*source,
+				    const cairo_path_fixed_t	*path,
+				    const cairo_stroke_style_t	*style,
+				    const cairo_matrix_t	*ctm,
+				    const cairo_matrix_t	*ctm_inverse,
+				    double			 tolerance,
+				    cairo_antialias_t		 antialias,
+				    const cairo_clip_t		*clip)
+{
+    cairo_quartz_image_surface_t *surface = abstract_surface;
+    return _cairo_surface_stroke (&surface->imageSurface->base,
+				  op, source, path,
+				  style, ctm, ctm_inverse,
+				  tolerance, antialias, clip);
+}
+
+static cairo_int_status_t
+_cairo_quartz_image_surface_fill (void				*abstract_surface,
+			   cairo_operator_t		 op,
+			   const cairo_pattern_t	*source,
+			   const cairo_path_fixed_t	*path,
+			   cairo_fill_rule_t		 fill_rule,
+			   double			 tolerance,
+			   cairo_antialias_t		 antialias,
+			   const cairo_clip_t		*clip)
+{
+    cairo_quartz_image_surface_t *surface = abstract_surface;
+    return _cairo_surface_fill (&surface->imageSurface->base,
+				op, source, path,
+				fill_rule, tolerance, antialias,
+				clip);
+}
+
+static cairo_int_status_t
+_cairo_quartz_image_surface_glyphs (void			*abstract_surface,
+				    cairo_operator_t		 op,
+				    const cairo_pattern_t	*source,
+				    cairo_glyph_t		*glyphs,
+				    int				 num_glyphs,
+				    cairo_scaled_font_t		*scaled_font,
+				    const cairo_clip_t		*clip)
+{
+    cairo_quartz_image_surface_t *surface = abstract_surface;
+    return _cairo_surface_show_text_glyphs (&surface->imageSurface->base,
+					    op, source,
+					    NULL, 0,
+					    glyphs, num_glyphs,
+					    NULL, 0, 0,
+					    scaled_font, clip);
+}
+
+
+static const cairo_surface_backend_t cairo_quartz_image_surface_backend = {
+    CAIRO_SURFACE_TYPE_QUARTZ_IMAGE,
+    _cairo_quartz_image_surface_finish,
+
+    _cairo_default_context_create,
+
+    _cairo_quartz_image_surface_create_similar,
+    _cairo_quartz_image_surface_create_similar_image,
+    _cairo_quartz_image_surface_map_to_image,
+    _cairo_quartz_image_surface_unmap_image,
+
+    _cairo_surface_default_source,
+    _cairo_quartz_image_surface_acquire_source_image,
+    NULL, /* release_source_image */
+    NULL, /* snapshot */
+
+    NULL, /* copy_page */
+    NULL, /* show_page */
+
+    _cairo_quartz_image_surface_get_extents,
+    NULL, /* get_font_options */
+
+    _cairo_quartz_image_surface_flush,
+    NULL, /* mark_dirty_rectangle */
+
+    _cairo_quartz_image_surface_paint,
+    _cairo_quartz_image_surface_mask,
+    _cairo_quartz_image_surface_stroke,
+    _cairo_quartz_image_surface_fill,
+    NULL,  /* fill-stroke */
+    _cairo_quartz_image_surface_glyphs,
+};
+
+/**
+ * cairo_quartz_image_surface_create:
+ * @image_surface: a cairo image surface to wrap with a quartz image surface
+ *
+ * Creates a Quartz surface backed by a CGImageRef that references the
+ * given image surface. The resulting surface can be rendered quickly
+ * when used as a source when rendering to a #cairo_quartz_surface.  If
+ * the data in the image surface is ever updated, cairo_surface_flush()
+ * must be called on the #cairo_quartz_image_surface to ensure that the
+ * CGImageRef refers to the updated data.
+ *
+ * Return value: the newly created surface.
+ *
+ * Since: 1.6
+ **/
+cairo_surface_t *
+cairo_quartz_image_surface_create (cairo_surface_t *surface)
+{
+    cairo_quartz_image_surface_t *qisurf;
+
+    CGImageRef image;
+
+    cairo_image_surface_t *image_surface;
+    int width, height, stride;
+    cairo_format_t format;
+    unsigned char *data;
+
+    if (surface->status)
+	return surface;
+
+    if (! _cairo_surface_is_image (surface))
+	return SURFACE_ERROR_TYPE_MISMATCH;
+
+    image_surface = (cairo_image_surface_t*) surface;
+    width = image_surface->width;
+    height = image_surface->height;
+    stride = image_surface->stride;
+    format = image_surface->format;
+    data = image_surface->data;
+
+    if (!_cairo_quartz_verify_surface_size(width, height))
+	return SURFACE_ERROR_INVALID_SIZE;
+
+    if (width == 0 || height == 0)
+	return SURFACE_ERROR_INVALID_SIZE;
+
+    if (format != CAIRO_FORMAT_ARGB32 && format != CAIRO_FORMAT_RGB24)
+	return SURFACE_ERROR_INVALID_FORMAT;
+
+    qisurf = _cairo_malloc (sizeof(cairo_quartz_image_surface_t));
+    if (qisurf == NULL)
+	return SURFACE_ERROR_NO_MEMORY;
+
+    memset (qisurf, 0, sizeof(cairo_quartz_image_surface_t));
+
+    /* In case the create_cgimage fails, this ref will
+     * be released via the callback (which will be called in
+     * case of failure.)
+     */
+    cairo_surface_reference (surface);
+
+    image = CairoQuartzCreateCGImage (format,
+				      width, height,
+				      stride,
+				      data,
+				      TRUE,
+				      NULL,
+				      DataProviderReleaseCallback,
+				      image_surface);
+
+    if (!image) {
+	free (qisurf);
+	return SURFACE_ERROR_NO_MEMORY;
+    }
+
+    _cairo_surface_init (&qisurf->base,
+			 &cairo_quartz_image_surface_backend,
+			 NULL, /* device */
+			 _cairo_content_from_format (format),
+			 FALSE); /* is_vector */
+
+    qisurf->width = width;
+    qisurf->height = height;
+
+    qisurf->image = image;
+    qisurf->imageSurface = image_surface;
+
+    return &qisurf->base;
+}
+
+
+cairo_surface_t *
+cairo_quartz_image_surface_get_image (cairo_surface_t *asurface)
+{
+    cairo_quartz_image_surface_t *surface = (cairo_quartz_image_surface_t*) asurface;
+
+    /* Throw an error for a non-quartz surface */
+    if (! _cairo_surface_is_quartz (asurface)) {
+        return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_SURFACE_TYPE_MISMATCH));
+    }
+
+    return (cairo_surface_t*) surface->imageSurface;
+}