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Diffstat (limited to 'src/skia/cairo-skia-private.h')
-rw-r--r-- | src/skia/cairo-skia-private.h | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/src/skia/cairo-skia-private.h b/src/skia/cairo-skia-private.h new file mode 100644 index 000000000..f538b486b --- /dev/null +++ b/src/skia/cairo-skia-private.h @@ -0,0 +1,127 @@ +/* cairo - a vector graphics library with display and print output + * + * Copyright © 2005 Red Hat, Inc. + * + * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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 Red Hat, Inc. + * + * Contributor(s): + * Carl D. Worth <cworth@redhat.com> + */ + +#ifndef CAIRO_SKIA_CONTEXT_PRIVATE_H +#define CAIRO_SKIA_CONTEXT_PRIVATE_H + +#include "cairo-private.h" +#include "cairo-image-surface-private.h" + +#include <SkBitmap.h> +#include <SkCanvas.h> +#include <SkPaint.h> +#include <SkPath.h> + +/** + * cairo_skia_context_t: + * + * A #cairo_skia_context_t includes handles to Skia's canvas, + * paint, and path objects along with the Cairo source surfaces + * and matrix, and the original and target #cairo_skia_surface_t + * objects. + * + * Since: 1.10 + **/ +typedef struct _cairo_skia_context cairo_skia_context_t; + +/** + * cairo_skia_surface_t: + * + * A #cairo_skia_surface_t is a container for the underlying + * #SkBitmap and the corresponding Cairo image surface. + * + * Since: 1.10 + **/ +typedef struct _cairo_skia_surface cairo_skia_surface_t; + +struct _cairo_skia_context { + cairo_t base; + + cairo_skia_surface_t *original; + cairo_skia_surface_t *target; + + cairo_matrix_t matrix; + + SkCanvas *canvas; + SkPaint *paint; + SkPath *path; + + cairo_surface_t *source; + cairo_image_surface_t *source_image; + void *source_extra; +}; + +struct _cairo_skia_surface { + cairo_image_surface_t image; + + SkBitmap *bitmap; +}; + +static inline bool +format_to_sk_config (cairo_format_t format, + SkBitmap::Config& config, + bool& opaque) +{ + opaque = false; + + switch (format) { + case CAIRO_FORMAT_ARGB32: + config = SkBitmap::kARGB_8888_Config; + break; + case CAIRO_FORMAT_RGB24: + config = SkBitmap::kARGB_8888_Config; + opaque = true; + break; + case CAIRO_FORMAT_RGB16_565: + config = SkBitmap::kRGB_565_Config; + opaque = true; + break; + case CAIRO_FORMAT_A8: + config = SkBitmap::kA8_Config; + break; + case CAIRO_FORMAT_RGB30: + case CAIRO_FORMAT_INVALID: + case CAIRO_FORMAT_A1: + default: + return false; + } + + return true; +} + +cairo_private cairo_t * +_cairo_skia_context_create (void *target); + +#endif /* CAIRO_SKIA_CONTEXT_PRIVATE_H */ |