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https://github.com/juce-framework/JUCE.git
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120 lines
3.5 KiB
C++
120 lines
3.5 KiB
C++
/*
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==============================================================================
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This file is part of the JUCE framework.
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Copyright (c) Raw Material Software Limited
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JUCE is an open source framework subject to commercial or open source
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licensing.
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By downloading, installing, or using the JUCE framework, or combining the
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JUCE framework with any other source code, object code, content or any other
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copyrightable work, you agree to the terms of the JUCE End User Licence
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Agreement, and all incorporated terms including the JUCE Privacy Policy and
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the JUCE Website Terms of Service, as applicable, which will bind you. If you
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do not agree to the terms of these agreements, we will not license the JUCE
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framework to you, and you must discontinue the installation or download
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process and cease use of the JUCE framework.
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JUCE End User Licence Agreement: https://juce.com/legal/juce-8-licence/
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JUCE Privacy Policy: https://juce.com/juce-privacy-policy
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JUCE Website Terms of Service: https://juce.com/juce-website-terms-of-service/
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Or:
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You may also use this code under the terms of the AGPLv3:
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https://www.gnu.org/licenses/agpl-3.0.en.html
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THE JUCE FRAMEWORK IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL
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WARRANTIES, WHETHER EXPRESSED OR IMPLIED, INCLUDING WARRANTY OF
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MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, ARE DISCLAIMED.
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==============================================================================
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*/
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namespace juce
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{
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struct Direct2DImageContext::ImagePimpl : public Direct2DGraphicsContext::Pimpl
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{
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public:
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static constexpr auto opaque = false;
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ImagePimpl (Direct2DImageContext& ownerIn, Direct2DPixelData::Ptr targetIn)
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: Pimpl (ownerIn, opaque),
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target (targetIn)
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{
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}
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Rectangle<int> getFrameSize() const override
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{
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const auto targetBitmap = getBitmap();
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if (targetBitmap == nullptr)
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return {};
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const auto size = targetBitmap->GetSize();
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return { (int) size.width, (int) size.height };
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}
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ComSmartPtr<ID2D1Image> getDeviceContextTarget() const override
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{
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return getBitmap();
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}
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HRESULT finishFrame() override
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{
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const auto result = Pimpl::finishFrame();
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if (target != nullptr)
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target->flushToSoftwareBackup();
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return result;
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}
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private:
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ComSmartPtr<ID2D1Bitmap1> getBitmap() const
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{
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if (target == nullptr)
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return {};
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return target->getAdapterD2D1Bitmap();
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}
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RectangleList<int> getPaintAreas() const override
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{
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return getFrameSize();
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}
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Direct2DPixelData::Ptr target;
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JUCE_DECLARE_WEAK_REFERENCEABLE (ImagePimpl)
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};
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//==============================================================================
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Direct2DImageContext::Direct2DImageContext (Direct2DPixelData::Ptr targetIn)
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: pimpl (new ImagePimpl { *this, targetIn })
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{
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#if JUCE_DIRECT2D_METRICS
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metrics = Direct2DMetricsHub::getInstance()->imageContextMetrics;
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#endif
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startFrame (1.0f);
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}
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Direct2DImageContext::~Direct2DImageContext()
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{
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endFrame();
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}
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Direct2DGraphicsContext::Pimpl* Direct2DImageContext::getPimpl() const noexcept
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{
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return pimpl.get();
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}
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void Direct2DImageContext::clearTargetBuffer()
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{
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// The bitmap was already cleared when it was created; do nothing here
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}
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} // namespace juce
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