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/*
* Copyright (C) 2010 Igalia S.L.
* Copyright (C) 2011 ProFUSION embedded systems
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#if USE(CAIRO)
#include "CairoUniquePtr.h"
#include "GraphicsTypes.h"
#include "IntSize.h"
#include <cairo.h>
#if USE(FREETYPE)
#include <cairo-ft.h>
#include <wtf/RecursiveLockAdapter.h>
#endif
namespace WebCore {
class AffineTransform;
class Color;
class FloatRect;
class FloatPoint;
class IntSize;
class IntRect;
class Path;
class Region;
#if USE(FREETYPE)
RecursiveLock& cairoFontLock();
class CairoFtFaceLocker {
public:
explicit CairoFtFaceLocker(cairo_scaled_font_t* scaledFont)
: m_scaledFont(scaledFont)
{
cairoFontLock().lock();
m_ftFace = cairo_ft_scaled_font_lock_face(m_scaledFont);
}
~CairoFtFaceLocker()
{
if (m_ftFace)
cairo_ft_scaled_font_unlock_face(m_scaledFont);
cairoFontLock().unlock();
}
FT_Face ftFace() const { return m_ftFace; }
private:
cairo_scaled_font_t* m_scaledFont { nullptr };
FT_Face m_ftFace { nullptr };
};
#endif
const cairo_font_options_t* getDefaultCairoFontOptions();
void copyContextProperties(cairo_t* srcCr, cairo_t* dstCr);
void setSourceRGBAFromColor(cairo_t*, const Color&);
void appendPathToCairoContext(cairo_t* to, cairo_t* from);
void setPathOnCairoContext(cairo_t* to, cairo_t* from);
void appendWebCorePathToCairoContext(cairo_t* context, const Path& path);
void appendRegionToCairoContext(cairo_t*, const cairo_region_t*);
cairo_operator_t toCairoOperator(CompositeOperator, BlendMode = BlendMode::Normal);
void drawPatternToCairoContext(cairo_t* cr, cairo_surface_t* image, const IntSize& imageSize, const FloatRect& tileRect,
const AffineTransform& patternTransform, const FloatPoint& phase, const FloatSize& spacing, cairo_operator_t, InterpolationQuality, const FloatRect& destRect);
RefPtr<cairo_surface_t> copyCairoImageSurface(cairo_surface_t*);
void copyRectFromCairoSurfaceToContext(cairo_surface_t* from, cairo_t* to, const IntSize& offset, const IntRect&);
WEBCORE_EXPORT void copyRectFromOneSurfaceToAnother(cairo_surface_t* from, cairo_surface_t* to, const IntSize& offset, const IntRect&, const IntSize& = IntSize());
IntSize cairoSurfaceSize(cairo_surface_t*);
void flipImageSurfaceVertically(cairo_surface_t*);
inline std::span<const uint8_t> span(cairo_surface_t* surface)
{
size_t stride = cairo_image_surface_get_stride(surface);
size_t height = cairo_image_surface_get_height(surface);
return unsafeMakeSpan(cairo_image_surface_get_data(surface), stride * height);
}
inline std::span<uint8_t> mutableSpan(cairo_surface_t* surface)
{
size_t stride = cairo_image_surface_get_stride(surface);
size_t height = cairo_image_surface_get_height(surface);
return unsafeMakeSpan(cairo_image_surface_get_data(surface), stride * height);
}
cairo_matrix_t toCairoMatrix(const AffineTransform&);
void attachSurfaceUniqueID(cairo_surface_t*);
uintptr_t getSurfaceUniqueID(cairo_surface_t*);
} // namespace WebCore
#endif // USE(CAIRO)
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