1/*
2 * Copyright (C) 2010 Igalia S.L.
3 * Copyright (C) 2011 ProFUSION embedded systems
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
17 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#ifndef CairoUtilities_h
28#define CairoUtilities_h
29
30#include "GraphicsTypes.h"
31#include "IntSize.h"
32#include <cairo.h>
33
34// This function was added pretty much simultaneous to when 1.13 was branched.
35#define HAVE_CAIRO_SURFACE_SET_DEVICE_SCALE CAIRO_VERSION_MAJOR > 1 || (CAIRO_VERSION_MAJOR == 1 && CAIRO_VERSION_MINOR >= 13)
36
37namespace WebCore {
38class AffineTransform;
39class Color;
40class FloatRect;
41class FloatPoint;
42class IntSize;
43class IntRect;
44class Path;
45
46void copyContextProperties(cairo_t* srcCr, cairo_t* dstCr);
47void setSourceRGBAFromColor(cairo_t*, const Color&);
48void appendPathToCairoContext(cairo_t* to, cairo_t* from);
49void setPathOnCairoContext(cairo_t* to, cairo_t* from);
50void appendWebCorePathToCairoContext(cairo_t* context, const Path& path);
51void appendRegionToCairoContext(cairo_t*, const cairo_region_t*);
52cairo_operator_t toCairoOperator(CompositeOperator op);
53cairo_operator_t toCairoOperator(BlendMode blendOp);
54void drawPatternToCairoContext(cairo_t* cr, cairo_surface_t* image, const IntSize& imageSize, const FloatRect& tileRect,
55                               const AffineTransform& patternTransform, const FloatPoint& phase, cairo_operator_t op, const FloatRect& destRect);
56PassRefPtr<cairo_surface_t> copyCairoImageSurface(cairo_surface_t*);
57
58void copyRectFromCairoSurfaceToContext(cairo_surface_t* from, cairo_t* to, const IntSize& offset, const IntRect&);
59void copyRectFromOneSurfaceToAnother(cairo_surface_t* from, cairo_surface_t* to, const IntSize& offset, const IntRect&, const IntSize& = IntSize(), cairo_operator_t = CAIRO_OPERATOR_OVER);
60
61IntSize cairoSurfaceSize(cairo_surface_t*);
62void flipImageSurfaceVertically(cairo_surface_t*);
63void cairoSurfaceSetDeviceScale(cairo_surface_t*, double xScale, double yScale);
64
65} // namespace WebCore
66
67#endif // CairoUtilities_h
68