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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 .
*/
#ifndef INCLUDED_VCL_INC_SKIA_UTILS_H
#define INCLUDED_VCL_INC_SKIA_UTILS_H
#include <vcl/skia/SkiaHelper.hxx>
#include <tools/gen.hxx>
#include <driverblocklist.hxx>
#include <SkRegion.h>
#include <tools/sk_app/VulkanWindowContext.h>
namespace SkiaHelper
{
// Get the one shared GrContext instance.
GrContext* getSharedGrContext();
void disableRenderMethod(RenderMethod method);
// Create SkSurface, GPU-backed if possible.
VCL_DLLPUBLIC sk_sp<SkSurface> createSkSurface(int width, int height,
SkColorType type = kN32_SkColorType);
inline sk_sp<SkSurface> createSkSurface(const Size& size, SkColorType type = kN32_SkColorType)
{
return createSkSurface(size.Width(), size.Height(), type);
}
// Create SkImage, GPU-backed if possible.
VCL_DLLPUBLIC sk_sp<SkImage> createSkImage(const SkBitmap& bitmap);
// Call surface->makeImageSnapshot() and abort on failure.
VCL_DLLPUBLIC sk_sp<SkImage> makeCheckedImageSnapshot(sk_sp<SkSurface> surface);
VCL_DLLPUBLIC sk_sp<SkImage> makeCheckedImageSnapshot(sk_sp<SkSurface> surface,
const SkIRect& bounds);
// Must be called in any VCL backend before any Skia functionality is used.
// If not set, Skia will be disabled.
VCL_DLLPUBLIC void
prepareSkia(std::unique_ptr<sk_app::WindowContext> (*createVulkanWindowContext)(bool));
// Shared cache of images.
void addCachedImage(const OString& key, sk_sp<SkImage> image);
sk_sp<SkImage> findCachedImage(const OString& key);
void removeCachedImage(sk_sp<SkImage> image);
#ifdef DBG_UTIL
void prefillSurface(sk_sp<SkSurface>& surface);
VCL_DLLPUBLIC void dump(const SkBitmap& bitmap, const char* file);
VCL_DLLPUBLIC void dump(const sk_sp<SkImage>& image, const char* file);
VCL_DLLPUBLIC void dump(const sk_sp<SkSurface>& surface, const char* file);
#endif
extern uint32_t vendorId;
inline DriverBlocklist::DeviceVendor getVendor()
{
return DriverBlocklist::GetVendorFromId(vendorId);
}
} // namespace
template <typename charT, typename traits>
inline std::basic_ostream<charT, traits>& operator<<(std::basic_ostream<charT, traits>& stream,
const SkRect& rectangle)
{
if (rectangle.isEmpty())
return stream << "EMPTY";
else
return stream << rectangle.width() << 'x' << rectangle.height() << "@(" << rectangle.x()
<< ',' << rectangle.y() << ")";
}
template <typename charT, typename traits>
inline std::basic_ostream<charT, traits>& operator<<(std::basic_ostream<charT, traits>& stream,
const SkIRect& rectangle)
{
if (rectangle.isEmpty())
return stream << "EMPTY";
else
return stream << rectangle.width() << 'x' << rectangle.height() << "@(" << rectangle.x()
<< ',' << rectangle.y() << ")";
}
template <typename charT, typename traits>
inline std::basic_ostream<charT, traits>& operator<<(std::basic_ostream<charT, traits>& stream,
const SkRegion& region)
{
if (region.isEmpty())
return stream << "EMPTY";
stream << "(";
SkRegion::Iterator it(region);
for (int i = 0; !it.done(); it.next(), ++i)
stream << "[" << i << "] " << it.rect();
stream << ")";
return stream;
}
template <typename charT, typename traits>
inline std::basic_ostream<charT, traits>& operator<<(std::basic_ostream<charT, traits>& stream,
const SkImage& image)
{
// G - on GPU
return stream << static_cast<const void*>(&image) << " " << Size(image.width(), image.height())
<< "/" << (SkColorTypeBytesPerPixel(image.imageInfo().colorType()) * 8)
<< (image.isTextureBacked() ? "G" : "");
}
template <typename charT, typename traits>
inline std::basic_ostream<charT, traits>& operator<<(std::basic_ostream<charT, traits>& stream,
const sk_sp<SkImage>& image)
{
return stream << *image;
}
#endif // INCLUDED_VCL_INC_SKIA_UTILS_H
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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