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#pragma once
28
29#if USE(CAIRO)
30
31#include "GraphicsTypes.h"
32#include "IntSize.h"
33#include <cairo.h>
34
35// This function was added pretty much simultaneous to when 1.13 was branched.
36#define HAVE_CAIRO_SURFACE_SET_DEVICE_SCALE CAIRO_VERSION_MAJOR > 1 || (CAIRO_VERSION_MAJOR == 1 && CAIRO_VERSION_MINOR >= 13)
37
38#if USE(FREETYPE)
39#include <cairo-ft.h>
40#endif
41
42namespace WebCore {
43class AffineTransform;
44class Color;
45class FloatRect;
46class FloatPoint;
47class IntSize;
48class IntRect;
49class Path;
50class Region;
51
52#if USE(FREETYPE)
53class CairoFtFaceLocker {
54public:
55 CairoFtFaceLocker(cairo_scaled_font_t* scaledFont)
56 : m_scaledFont(scaledFont)
57 , m_ftFace(cairo_ft_scaled_font_lock_face(scaledFont))
58 {
59 }
60
61 ~CairoFtFaceLocker()
62 {
63 if (m_ftFace)
64 cairo_ft_scaled_font_unlock_face(m_scaledFont);
65 }
66
67 FT_Face ftFace() const { return m_ftFace; }
68
69private:
70 cairo_scaled_font_t* m_scaledFont { nullptr };
71 FT_Face m_ftFace { nullptr };
72};
73
74const cairo_font_options_t* getDefaultCairoFontOptions();
75#endif
76
77void copyContextProperties(cairo_t* srcCr, cairo_t* dstCr);
78void setSourceRGBAFromColor(cairo_t*, const Color&);
79void appendPathToCairoContext(cairo_t* to, cairo_t* from);
80void setPathOnCairoContext(cairo_t* to, cairo_t* from);
81void appendWebCorePathToCairoContext(cairo_t* context, const Path& path);
82void appendRegionToCairoContext(cairo_t*, const cairo_region_t*);
83cairo_operator_t toCairoOperator(CompositeOperator, BlendMode = BlendMode::Normal);
84void drawPatternToCairoContext(cairo_t* cr, cairo_surface_t* image, const IntSize& imageSize, const FloatRect& tileRect,
85 const AffineTransform& patternTransform, const FloatPoint& phase, cairo_operator_t op, const FloatRect& destRect);
86RefPtr<cairo_surface_t> copyCairoImageSurface(cairo_surface_t*);
87
88void copyRectFromCairoSurfaceToContext(cairo_surface_t* from, cairo_t* to, const IntSize& offset, const IntRect&);
89void copyRectFromOneSurfaceToAnother(cairo_surface_t* from, cairo_surface_t* to, const IntSize& offset, const IntRect&, const IntSize& = IntSize(), cairo_operator_t = CAIRO_OPERATOR_OVER);
90
91IntSize cairoSurfaceSize(cairo_surface_t*);
92void flipImageSurfaceVertically(cairo_surface_t*);
93void cairoSurfaceSetDeviceScale(cairo_surface_t*, double xScale, double yScale);
94void cairoSurfaceGetDeviceScale(cairo_surface_t*, double& xScale, double& yScale);
95
96RefPtr<cairo_region_t> toCairoRegion(const Region&);
97
98cairo_matrix_t toCairoMatrix(const AffineTransform&);
99
100} // namespace WebCore
101
102#endif // USE(CAIRO)
103