mirror of
https://github.com/juce-framework/JUCE.git
synced 2026-01-10 23:44:24 +00:00
1469 lines
52 KiB
C++
1469 lines
52 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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constexpr auto enableDirectXDebugLayer = false;
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ScopedMultithread::ScopedMultithread (ID2D1Multithread* multithreadIn)
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: multithread (addComSmartPtrOwner (multithreadIn))
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{
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multithreadIn->Enter();
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}
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ScopedMultithread::~ScopedMultithread()
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{
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multithread->Leave();
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}
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//==============================================================================
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ScopedGeometryWithSink::ScopedGeometryWithSink (ID2D1Factory* factory, D2D1_FILL_MODE fillMode)
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{
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if (const auto hr = factory->CreatePathGeometry (geometry.resetAndGetPointerAddress()); FAILED (hr))
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return;
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if (const auto hr = geometry->Open (sink.resetAndGetPointerAddress()); FAILED (hr))
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return;
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sink->SetFillMode (fillMode);
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}
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ScopedGeometryWithSink::~ScopedGeometryWithSink()
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{
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if (sink == nullptr)
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return;
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const auto hr = sink->Close();
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jassertquiet (SUCCEEDED (hr));
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}
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//==============================================================================
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bool D2DHelpers::isTransformAxisAligned (const AffineTransform& transform)
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{
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return transform.mat01 == 0.0f && transform.mat10 == 0.0f;
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}
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void D2DHelpers::pathToGeometrySink (const Path& path,
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ID2D1GeometrySink* sink,
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const AffineTransform& transform,
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D2D1_FIGURE_BEGIN figureMode)
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{
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class ScopedFigure
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{
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public:
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ScopedFigure (ID2D1GeometrySink* s, D2D1_POINT_2F pt, D2D1_FIGURE_BEGIN mode)
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: sink (s)
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{
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sink->BeginFigure (pt, mode);
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}
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~ScopedFigure()
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{
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if (sink != nullptr)
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sink->EndFigure (end);
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}
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void setClosed()
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{
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end = D2D1_FIGURE_END_CLOSED;
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}
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private:
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ID2D1GeometrySink* sink = nullptr;
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D2D1_FIGURE_END end = D2D1_FIGURE_END_OPEN;
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JUCE_DECLARE_NON_COPYABLE (ScopedFigure)
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JUCE_DECLARE_NON_MOVEABLE (ScopedFigure)
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};
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// Every call to BeginFigure must have a matching call to EndFigure. But - the Path does not necessarily
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// have matching startNewSubPath and closePath markers.
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D2D1_POINT_2F lastLocation{};
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std::optional<ScopedFigure> figure;
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Path::Iterator it (path);
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const auto doTransform = [&transform] (float x, float y)
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{
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transform.transformPoint (x, y);
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return D2D1_POINT_2F { x, y };
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};
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const auto updateFigure = [&] (float x, float y)
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{
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if (! figure.has_value())
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figure.emplace (sink, lastLocation, figureMode);
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lastLocation = doTransform (x, y);
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};
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while (it.next())
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{
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switch (it.elementType)
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{
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case Path::Iterator::lineTo:
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updateFigure (it.x1, it.y1);
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sink->AddLine (lastLocation);
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break;
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case Path::Iterator::quadraticTo:
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updateFigure (it.x2, it.y2);
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sink->AddQuadraticBezier ({ doTransform (it.x1, it.y1), lastLocation });
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break;
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case Path::Iterator::cubicTo:
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updateFigure (it.x3, it.y3);
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sink->AddBezier ({ doTransform (it.x1, it.y1), doTransform (it.x2, it.y2), lastLocation });
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break;
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case Path::Iterator::closePath:
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if (figure.has_value())
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figure->setClosed();
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figure.reset();
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break;
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case Path::Iterator::startNewSubPath:
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figure.reset();
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lastLocation = doTransform (it.x1, it.y1);
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figure.emplace (sink, lastLocation, figureMode);
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break;
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}
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}
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}
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D2D1_POINT_2F D2DHelpers::pointTransformed (Point<float> pt, const AffineTransform& transform)
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{
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transform.transformPoint (pt.x, pt.y);
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return { (FLOAT) pt.x, (FLOAT) pt.y };
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}
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void D2DHelpers::rectToGeometrySink (const Rectangle<float>& rect,
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ID2D1GeometrySink* sink,
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const AffineTransform& transform,
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D2D1_FIGURE_BEGIN figureMode)
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{
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const auto a = pointTransformed (rect.getTopLeft(), transform);
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const auto b = pointTransformed (rect.getTopRight(), transform);
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const auto c = pointTransformed (rect.getBottomRight(), transform);
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const auto d = pointTransformed (rect.getBottomLeft(), transform);
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sink->BeginFigure (a, figureMode);
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sink->AddLine (b);
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sink->AddLine (c);
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sink->AddLine (d);
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sink->EndFigure (D2D1_FIGURE_END_CLOSED);
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}
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ComSmartPtr<ID2D1Geometry> D2DHelpers::rectListToPathGeometry (ID2D1Factory* factory,
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const RectangleList<float>& clipRegion,
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const AffineTransform& transform,
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D2D1_FILL_MODE fillMode,
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D2D1_FIGURE_BEGIN figureMode,
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[[maybe_unused]] Direct2DMetrics* metrics)
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{
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JUCE_D2DMETRICS_SCOPED_ELAPSED_TIME (metrics, createGeometryTime)
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ScopedGeometryWithSink objects { factory, fillMode };
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if (objects.sink == nullptr)
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return {};
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for (int i = clipRegion.getNumRectangles(); --i >= 0;)
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rectToGeometrySink (clipRegion.getRectangle (i), objects.sink, transform, figureMode);
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return objects.geometry;
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}
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ComSmartPtr<ID2D1Geometry> D2DHelpers::pathToPathGeometry (ID2D1Factory* factory,
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const Path& path,
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const AffineTransform& transform,
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D2D1_FIGURE_BEGIN figureMode,
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[[maybe_unused]] Direct2DMetrics* metrics)
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{
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JUCE_D2DMETRICS_SCOPED_ELAPSED_TIME (metrics, createGeometryTime)
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ScopedGeometryWithSink objects { factory, path.isUsingNonZeroWinding() ? D2D1_FILL_MODE_WINDING : D2D1_FILL_MODE_ALTERNATE };
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if (objects.sink == nullptr)
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return {};
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pathToGeometrySink (path, objects.sink, transform, figureMode);
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return objects.geometry;
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}
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ComSmartPtr<ID2D1StrokeStyle1> D2DHelpers::pathStrokeTypeToStrokeStyle (ID2D1Factory1* factory,
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const PathStrokeType& strokeType)
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{
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// JUCE JointStyle ID2D1StrokeStyle
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// --------------- ----------------
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// mitered D2D1_LINE_JOIN_MITER
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// curved D2D1_LINE_JOIN_ROUND
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// beveled D2D1_LINE_JOIN_BEVEL
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//
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// JUCE EndCapStyle ID2D1StrokeStyle
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// ---------------- ----------------
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// butt D2D1_CAP_STYLE_FLAT
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// square D2D1_CAP_STYLE_SQUARE
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// rounded D2D1_CAP_STYLE_ROUND
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auto lineJoin = D2D1_LINE_JOIN_MITER;
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switch (strokeType.getJointStyle())
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{
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case PathStrokeType::JointStyle::mitered:
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// already set
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break;
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case PathStrokeType::JointStyle::curved:
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lineJoin = D2D1_LINE_JOIN_ROUND;
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break;
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case PathStrokeType::JointStyle::beveled:
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lineJoin = D2D1_LINE_JOIN_BEVEL;
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break;
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default:
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// invalid EndCapStyle
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jassertfalse;
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break;
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}
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auto capStyle = D2D1_CAP_STYLE_FLAT;
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switch (strokeType.getEndStyle())
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{
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case PathStrokeType::EndCapStyle::butt:
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// already set
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break;
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case PathStrokeType::EndCapStyle::square:
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capStyle = D2D1_CAP_STYLE_SQUARE;
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break;
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case PathStrokeType::EndCapStyle::rounded:
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capStyle = D2D1_CAP_STYLE_ROUND;
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break;
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default:
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// invalid EndCapStyle
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jassertfalse;
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break;
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}
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D2D1_STROKE_STYLE_PROPERTIES1 strokeStyleProperties
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{
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capStyle,
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capStyle,
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capStyle,
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lineJoin,
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strokeType.getStrokeThickness(),
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D2D1_DASH_STYLE_SOLID,
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0.0f,
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D2D1_STROKE_TRANSFORM_TYPE_NORMAL
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};
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ComSmartPtr<ID2D1StrokeStyle1> strokeStyle;
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factory->CreateStrokeStyle (strokeStyleProperties,
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nullptr,
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0,
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strokeStyle.resetAndGetPointerAddress());
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return strokeStyle;
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}
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//==============================================================================
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void DirectWriteGlyphRun::replace (Span<const Point<float>> positions, float scale)
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{
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advances.resize (positions.size(), 0.0f);
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offsets.resize (positions.size());
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std::transform (positions.begin(), positions.end(), offsets.begin(), [&] (auto& g)
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{
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return DWRITE_GLYPH_OFFSET { g.x / scale, -g.y };
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});
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}
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//==============================================================================
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auto DxgiAdapter::create (ComSmartPtr<ID2D1Factory2> d2dFactory,
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ComSmartPtr<IDXGIAdapter1> dxgiAdapterIn) -> Ptr
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{
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if (dxgiAdapterIn == nullptr || d2dFactory == nullptr)
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return {};
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Ptr result = new DxgiAdapter;
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result->dxgiAdapter = dxgiAdapterIn;
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for (UINT i = 0;; ++i)
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{
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ComSmartPtr<IDXGIOutput> output;
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const auto hr = result->dxgiAdapter->EnumOutputs (i, output.resetAndGetPointerAddress());
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if (hr == DXGI_ERROR_NOT_FOUND || hr == DXGI_ERROR_NOT_CURRENTLY_AVAILABLE)
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break;
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result->dxgiOutputs.push_back (output);
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}
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// This flag adds support for surfaces with a different color channel ordering
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// than the API default. It is required for compatibility with Direct2D.
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const auto creationFlags = D3D11_CREATE_DEVICE_BGRA_SUPPORT
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| (enableDirectXDebugLayer ? D3D11_CREATE_DEVICE_DEBUG : 0);
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if (const auto hr = D3D11CreateDevice (result->dxgiAdapter,
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D3D_DRIVER_TYPE_UNKNOWN,
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nullptr,
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creationFlags,
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nullptr,
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0,
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D3D11_SDK_VERSION,
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result->direct3DDevice.resetAndGetPointerAddress(),
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nullptr,
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nullptr); FAILED (hr))
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{
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return {};
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}
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if (const auto hr = result->direct3DDevice->QueryInterface (result->dxgiDevice.resetAndGetPointerAddress()); FAILED (hr))
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return {};
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if (const auto hr = d2dFactory->CreateDevice (result->dxgiDevice, result->direct2DDevice.resetAndGetPointerAddress()); FAILED (hr))
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return {};
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return result;
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}
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bool DxgiAdapter::uniqueIDMatches (ReferenceCountedObjectPtr<DxgiAdapter> other) const
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{
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if (other == nullptr)
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return false;
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auto luid = getAdapterUniqueID();
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auto otherLuid = other->getAdapterUniqueID();
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return (luid.HighPart == otherLuid.HighPart) && (luid.LowPart == otherLuid.LowPart);
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}
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LUID DxgiAdapter::getAdapterUniqueID() const
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{
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DXGI_ADAPTER_DESC1 desc;
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if (auto hr = dxgiAdapter->GetDesc1 (&desc); SUCCEEDED (hr))
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return desc.AdapterLuid;
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return LUID { 0, 0 };
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}
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DxgiAdapters::DxgiAdapters (ComSmartPtr<ID2D1Factory2> d2dFactoryIn)
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: d2dFactory (d2dFactoryIn)
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{
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updateAdapters();
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}
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DxgiAdapters::~DxgiAdapters()
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{
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releaseAdapters();
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}
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void DxgiAdapters::updateAdapters()
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{
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if (factory != nullptr && factory->IsCurrent() && ! adapterArray.isEmpty())
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return;
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releaseAdapters();
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if (factory == nullptr || ! factory->IsCurrent())
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factory = makeDxgiFactory();
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if (factory == nullptr)
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{
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// If you hit this, we were unable to create a DXGI Factory, so we won't be able to
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// render anything using Direct2D.
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// Maybe this version of Windows doesn't have Direct2D support.
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jassertfalse;
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return;
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}
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for (UINT i = 0;; ++i)
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{
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ComSmartPtr<IDXGIAdapter1> dxgiAdapter;
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if (factory->EnumAdapters1 (i, dxgiAdapter.resetAndGetPointerAddress()) == DXGI_ERROR_NOT_FOUND)
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break;
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if (const auto adapter = DxgiAdapter::create (d2dFactory, dxgiAdapter))
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{
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adapterArray.add (adapter);
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listeners.call ([adapter] (DxgiAdapterListener& l) { l.adapterCreated (adapter); });
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}
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}
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}
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void DxgiAdapters::releaseAdapters()
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{
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for (const auto& adapter : adapterArray)
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listeners.call ([adapter] (DxgiAdapterListener& l) { l.adapterRemoved (adapter); });
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adapterArray.clear();
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}
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DxgiAdapter::Ptr DxgiAdapters::getAdapterForHwnd (HWND hwnd) const
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{
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const auto monitor = MonitorFromWindow (hwnd, MONITOR_DEFAULTTONULL);
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if (monitor == nullptr)
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return getDefaultAdapter();
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for (auto& adapter : adapterArray)
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{
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for (const auto& dxgiOutput : adapter->dxgiOutputs)
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{
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DXGI_OUTPUT_DESC desc{};
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if (FAILED (dxgiOutput->GetDesc (&desc)))
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continue;
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if (desc.Monitor == monitor)
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return adapter;
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}
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}
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return getDefaultAdapter();
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}
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DxgiAdapter::Ptr DxgiAdapters::getDefaultAdapter() const
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{
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return adapterArray.getFirst();
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}
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void DxgiAdapters::addListener (DxgiAdapterListener& l)
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{
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listeners.add (&l);
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}
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void DxgiAdapters::removeListener (DxgiAdapterListener& l)
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{
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listeners.remove (&l);
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}
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ComSmartPtr<IDXGIFactory2> DxgiAdapters::makeDxgiFactory()
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{
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JUCE_BEGIN_IGNORE_WARNINGS_GCC_LIKE ("-Wlanguage-extension-token")
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ComSmartPtr<IDXGIFactory2> result;
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if (const auto hr = CreateDXGIFactory2 (0, __uuidof (IDXGIFactory2), (void**) result.resetAndGetPointerAddress()); SUCCEEDED (hr))
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return result;
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JUCE_END_IGNORE_WARNINGS_GCC_LIKE
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// If CreateDXGIFactory fails, check to see if this is being called in the context of DllMain.
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// CreateDXGIFactory will always fail if called from the context of DllMain. In this case, the renderer
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// will create a software image instead as a fallback, but that won't perform as well.
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//
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// You may be creating an Image as a static object, which will likely be created in the context of DllMain.
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// Consider deferring your Image creation until later.
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jassertfalse;
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return {};
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}
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//==============================================================================
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DirectX::DirectX()
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: d2dSharedFactory { std::invoke ([]
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{
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D2D1_FACTORY_OPTIONS options;
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options.debugLevel = enableDirectXDebugLayer ? D2D1_DEBUG_LEVEL_INFORMATION : D2D1_DEBUG_LEVEL_NONE;
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JUCE_BEGIN_IGNORE_WARNINGS_GCC_LIKE ("-Wlanguage-extension-token")
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ComSmartPtr<ID2D1Factory2> result;
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auto hr = D2D1CreateFactory (D2D1_FACTORY_TYPE_MULTI_THREADED,
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__uuidof (ID2D1Factory2),
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&options,
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(void**) result.resetAndGetPointerAddress());
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jassertquiet (SUCCEEDED (hr));
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JUCE_END_IGNORE_WARNINGS_GCC_LIKE
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return result;
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}) }
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{}
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//==============================================================================
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ComSmartPtr<ID2D1Device1> D2DUtilities::getDeviceForContext (ComSmartPtr<ID2D1DeviceContext1> context)
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{
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if (context == nullptr)
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return {};
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ComSmartPtr<ID2D1Device> device;
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context->GetDevice (device.resetAndGetPointerAddress());
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return device.getInterface<ID2D1Device1>();
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}
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//==============================================================================
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ComSmartPtr<ID2D1DeviceContext1> Direct2DDeviceContext::create (ComSmartPtr<ID2D1Device1> device)
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{
|
|
ComSmartPtr<ID2D1DeviceContext1> result;
|
|
|
|
if (const auto hr = device->CreateDeviceContext (D2D1_DEVICE_CONTEXT_OPTIONS_ENABLE_MULTITHREADED_OPTIMIZATIONS,
|
|
result.resetAndGetPointerAddress());
|
|
FAILED (hr))
|
|
{
|
|
jassertfalse;
|
|
return {};
|
|
}
|
|
|
|
result->SetTextAntialiasMode (D2D1_TEXT_ANTIALIAS_MODE_GRAYSCALE);
|
|
result->SetAntialiasMode (D2D1_ANTIALIAS_MODE_PER_PRIMITIVE);
|
|
result->SetUnitMode (D2D1_UNIT_MODE_PIXELS);
|
|
|
|
return result;
|
|
}
|
|
|
|
//==============================================================================
|
|
ComSmartPtr<ID2D1Bitmap1> Direct2DBitmap::toBitmap (const Image& image,
|
|
ComSmartPtr<ID2D1DeviceContext1> deviceContext,
|
|
Image::PixelFormat outputFormat)
|
|
{
|
|
JUCE_D2DMETRICS_SCOPED_ELAPSED_TIME (Direct2DMetricsHub::getInstance()->imageContextMetrics, createBitmapTime);
|
|
|
|
jassert (outputFormat == Image::ARGB || outputFormat == Image::SingleChannel);
|
|
|
|
JUCE_TRACE_LOG_D2D_PAINT_CALL (etw::createDirect2DBitmapFromImage, etw::graphicsKeyword);
|
|
|
|
// Calling Image::convertedToFormat could cause unchecked recursion since convertedToFormat
|
|
// calls Graphics::drawImageAt which calls Direct2DGraphicsContext::drawImage which calls this function...
|
|
//
|
|
// Use a software image for the conversion instead so the Graphics::drawImageAt call doesn't go
|
|
// through the Direct2D renderer
|
|
//
|
|
// Be sure to explicitly set the DPI to 96.0 for the image; otherwise it will default to the screen DPI
|
|
// and may be scaled incorrectly
|
|
const auto convertedImage = SoftwareImageType{}.convert (image).convertedToFormat (outputFormat);
|
|
|
|
if (! convertedImage.isValid())
|
|
return {};
|
|
|
|
Image::BitmapData bitmapData { convertedImage, Image::BitmapData::readWrite };
|
|
|
|
D2D1_BITMAP_PROPERTIES1 bitmapProperties{};
|
|
bitmapProperties.pixelFormat.format = outputFormat == Image::SingleChannel
|
|
? DXGI_FORMAT_A8_UNORM
|
|
: DXGI_FORMAT_B8G8R8A8_UNORM;
|
|
bitmapProperties.pixelFormat.alphaMode = outputFormat == Image::RGB
|
|
? D2D1_ALPHA_MODE_IGNORE
|
|
: D2D1_ALPHA_MODE_PREMULTIPLIED;
|
|
bitmapProperties.dpiX = USER_DEFAULT_SCREEN_DPI;
|
|
bitmapProperties.dpiY = USER_DEFAULT_SCREEN_DPI;
|
|
|
|
const D2D1_SIZE_U size { (UINT32) image.getWidth(), (UINT32) image.getHeight() };
|
|
|
|
ComSmartPtr<ID2D1Bitmap1> bitmap;
|
|
deviceContext->CreateBitmap (size,
|
|
bitmapData.data,
|
|
(UINT32) bitmapData.lineStride,
|
|
bitmapProperties,
|
|
bitmap.resetAndGetPointerAddress());
|
|
return bitmap;
|
|
}
|
|
|
|
ComSmartPtr<ID2D1Bitmap1> Direct2DBitmap::createBitmap (ComSmartPtr<ID2D1DeviceContext1> deviceContext,
|
|
Image::PixelFormat format,
|
|
D2D_SIZE_U size,
|
|
D2D1_BITMAP_OPTIONS options)
|
|
{
|
|
JUCE_TRACE_LOG_D2D_PAINT_CALL (etw::createDirect2DBitmap, etw::graphicsKeyword);
|
|
|
|
JUCE_D2DMETRICS_SCOPED_ELAPSED_TIME (Direct2DMetricsHub::getInstance()->imageContextMetrics, createBitmapTime);
|
|
|
|
// Verify that the GPU can handle a bitmap of this size
|
|
//
|
|
// If you need a bitmap larger than this, you'll need to either split it up into multiple bitmaps
|
|
// or use a software image (see SoftwareImageType).
|
|
const auto maxBitmapSize = deviceContext->GetMaximumBitmapSize();
|
|
jassertquiet (size.width <= maxBitmapSize && size.height <= maxBitmapSize);
|
|
|
|
const auto pixelFormat = D2D1::PixelFormat (format == Image::SingleChannel
|
|
? DXGI_FORMAT_A8_UNORM
|
|
: DXGI_FORMAT_B8G8R8A8_UNORM,
|
|
format == Image::RGB
|
|
? D2D1_ALPHA_MODE_IGNORE
|
|
: D2D1_ALPHA_MODE_PREMULTIPLIED);
|
|
const auto bitmapProperties = D2D1::BitmapProperties1 (options, pixelFormat);
|
|
|
|
ComSmartPtr<ID2D1Bitmap1> bitmap;
|
|
const auto hr = deviceContext->CreateBitmap (size,
|
|
{},
|
|
{},
|
|
bitmapProperties,
|
|
bitmap.resetAndGetPointerAddress());
|
|
|
|
jassertquiet (SUCCEEDED (hr) && bitmap != nullptr);
|
|
return bitmap;
|
|
}
|
|
|
|
//==============================================================================
|
|
void UpdateRegion::findRECTAndValidate (HWND windowHandle)
|
|
{
|
|
numRect = 0;
|
|
|
|
auto regionHandle = CreateRectRgn (0, 0, 0, 0);
|
|
|
|
if (regionHandle == nullptr)
|
|
{
|
|
ValidateRect (windowHandle, nullptr);
|
|
return;
|
|
}
|
|
|
|
auto regionType = GetUpdateRgn (windowHandle, regionHandle, false);
|
|
|
|
if (regionType == SIMPLEREGION || regionType == COMPLEXREGION)
|
|
{
|
|
auto regionDataBytes = GetRegionData (regionHandle, (DWORD) block.getSize(), (RGNDATA*) block.getData());
|
|
|
|
if (regionDataBytes > block.getSize())
|
|
{
|
|
block.ensureSize (regionDataBytes);
|
|
regionDataBytes = GetRegionData (regionHandle, (DWORD) block.getSize(), (RGNDATA*) block.getData());
|
|
}
|
|
|
|
if (regionDataBytes > 0)
|
|
{
|
|
auto header = (RGNDATAHEADER const* const) block.getData();
|
|
|
|
if (header->iType == RDH_RECTANGLES)
|
|
numRect = header->nCount;
|
|
}
|
|
}
|
|
|
|
if (numRect > 0)
|
|
ValidateRgn (windowHandle, regionHandle);
|
|
else
|
|
ValidateRect (windowHandle, nullptr);
|
|
|
|
DeleteObject (regionHandle);
|
|
}
|
|
|
|
//==============================================================================
|
|
ComSmartPtr<ID2D1GradientStopCollection> makeGradientStopCollection (const ColourGradient& gradient,
|
|
ComSmartPtr<ID2D1DeviceContext1> deviceContext,
|
|
[[maybe_unused]] Direct2DMetrics* metrics) noexcept
|
|
{
|
|
JUCE_D2DMETRICS_SCOPED_ELAPSED_TIME (metrics, createGradientTime);
|
|
|
|
const int numColors = gradient.getNumColours();
|
|
|
|
std::vector<D2D1_GRADIENT_STOP> stops ((size_t) numColors);
|
|
|
|
for (auto [index, stop] : enumerate (stops, int{}))
|
|
{
|
|
stop.color = D2DUtilities::toCOLOR_F (gradient.getColour (index));
|
|
stop.position = (FLOAT) gradient.getColourPosition (index);
|
|
}
|
|
|
|
ComSmartPtr<ID2D1GradientStopCollection> result;
|
|
deviceContext->CreateGradientStopCollection (stops.data(), (UINT32) stops.size(), result.resetAndGetPointerAddress());
|
|
return result;
|
|
}
|
|
|
|
ComSmartPtr<ID2D1LinearGradientBrush> LinearGradientCache::get (const ColourGradient& gradient,
|
|
ComSmartPtr<ID2D1DeviceContext1> deviceContext,
|
|
Direct2DMetrics* metrics)
|
|
{
|
|
jassert (! gradient.isRadial);
|
|
|
|
return cache.get (gradient, [&deviceContext, &metrics] (const auto& key)
|
|
{
|
|
const auto gradientStops = makeGradientStopCollection (key, deviceContext, metrics);
|
|
const auto p1 = key.point1;
|
|
const auto p2 = key.point2;
|
|
const auto linearGradientBrushProperties = D2D1::LinearGradientBrushProperties ({ p1.x, p1.y }, { p2.x, p2.y });
|
|
const D2D1_BRUSH_PROPERTIES brushProps { 1.0f, D2D1::IdentityMatrix() };
|
|
|
|
ComSmartPtr<ID2D1LinearGradientBrush> result;
|
|
deviceContext->CreateLinearGradientBrush (linearGradientBrushProperties,
|
|
brushProps,
|
|
gradientStops,
|
|
result.resetAndGetPointerAddress());
|
|
return result;
|
|
});
|
|
}
|
|
|
|
ComSmartPtr<ID2D1RadialGradientBrush> RadialGradientCache::get (const ColourGradient& gradient,
|
|
ComSmartPtr<ID2D1DeviceContext1> deviceContext,
|
|
Direct2DMetrics* metrics)
|
|
{
|
|
jassert (gradient.isRadial);
|
|
|
|
return cache.get (gradient, [&deviceContext, &metrics] (const auto& key)
|
|
{
|
|
const auto gradientStops = makeGradientStopCollection (key, deviceContext, metrics);
|
|
|
|
const auto p1 = key.point1;
|
|
const auto p2 = key.point2;
|
|
const auto r = p1.getDistanceFrom (p2);
|
|
const auto radialGradientBrushProperties = D2D1::RadialGradientBrushProperties ({ p1.x, p1.y }, {}, r, r);
|
|
const D2D1_BRUSH_PROPERTIES brushProps { 1.0F, D2D1::IdentityMatrix() };
|
|
|
|
ComSmartPtr<ID2D1RadialGradientBrush> result;
|
|
deviceContext->CreateRadialGradientBrush (radialGradientBrushProperties,
|
|
brushProps,
|
|
gradientStops,
|
|
result.resetAndGetPointerAddress());
|
|
return result;
|
|
});
|
|
}
|
|
|
|
RectangleListSpriteBatch::~RectangleListSpriteBatch()
|
|
{
|
|
release();
|
|
}
|
|
|
|
void RectangleListSpriteBatch::release()
|
|
{
|
|
whiteRectangle = nullptr;
|
|
spriteBatches = {};
|
|
destinations.free();
|
|
destinationsCapacity = 0;
|
|
}
|
|
|
|
ComSmartPtr<ID2D1SpriteBatch> RectangleListSpriteBatch::getSpriteBatch (ID2D1DeviceContext3& dc, uint32 key)
|
|
{
|
|
return spriteBatches.get ((uint32) key, [&dc] (auto) -> ComSmartPtr<ID2D1SpriteBatch>
|
|
{
|
|
ComSmartPtr<ID2D1SpriteBatch> result;
|
|
if (const auto hr = dc.CreateSpriteBatch (result.resetAndGetPointerAddress()); SUCCEEDED (hr))
|
|
return result;
|
|
|
|
return nullptr;
|
|
});
|
|
}
|
|
|
|
//==============================================================================
|
|
DxgiAdapter::Ptr Direct2DDeviceResources::findAdapter (const DxgiAdapters& adapters,
|
|
ID2D1Bitmap1* bitmap)
|
|
{
|
|
if (bitmap == nullptr)
|
|
return {};
|
|
|
|
ComSmartPtr<IDXGISurface> surface;
|
|
bitmap->GetSurface (surface.resetAndGetPointerAddress());
|
|
|
|
if (surface == nullptr)
|
|
return {};
|
|
|
|
ComSmartPtr<IDXGIDevice> device;
|
|
JUCE_BEGIN_IGNORE_WARNINGS_GCC_LIKE ("-Wlanguage-extension-token")
|
|
surface->GetDevice (__uuidof (device), (void**) device.resetAndGetPointerAddress());
|
|
JUCE_END_IGNORE_WARNINGS_GCC_LIKE
|
|
|
|
return findAdapter (adapters, device);
|
|
}
|
|
|
|
DxgiAdapter::Ptr Direct2DDeviceResources::findAdapter (const DxgiAdapters& dxgiAdapters,
|
|
IDXGIDevice* dxgiDevice)
|
|
{
|
|
if (dxgiDevice == nullptr)
|
|
return {};
|
|
|
|
ComSmartPtr<IDXGIAdapter> adapter;
|
|
dxgiDevice->GetAdapter (adapter.resetAndGetPointerAddress());
|
|
|
|
if (adapter == nullptr)
|
|
return {};
|
|
|
|
ComSmartPtr<IDXGIAdapter1> adapter1;
|
|
adapter.QueryInterface (adapter1);
|
|
|
|
if (adapter1 == nullptr)
|
|
return {};
|
|
|
|
const auto adapterLuid = getLUID (adapter1);
|
|
|
|
const auto& adapters = dxgiAdapters.getAdapterArray();
|
|
|
|
const auto it = std::find_if (adapters.begin(), adapters.end(), [&] (DxgiAdapter::Ptr ptr)
|
|
{
|
|
const auto tie = [] (const LUID& x) { return std::tie (x.LowPart, x.HighPart); };
|
|
|
|
const auto thisLuid = getLUID (ptr->dxgiAdapter);
|
|
return tie (thisLuid) == tie (adapterLuid);
|
|
});
|
|
|
|
if (it == adapters.end())
|
|
return {};
|
|
|
|
return *it;
|
|
}
|
|
|
|
DxgiAdapter::Ptr Direct2DDeviceResources::findAdapter (const DxgiAdapters& dxgiAdapters,
|
|
ID2D1DeviceContext1* context)
|
|
{
|
|
if (context == nullptr)
|
|
return {};
|
|
|
|
ComSmartPtr<ID2D1Device> device;
|
|
context->GetDevice (device.resetAndGetPointerAddress());
|
|
|
|
if (device == nullptr)
|
|
return {};
|
|
|
|
ComSmartPtr<IDXGIDevice> dxgiDevice;
|
|
device.QueryInterface (dxgiDevice);
|
|
|
|
return findAdapter (dxgiAdapters, dxgiDevice);
|
|
}
|
|
|
|
LUID Direct2DDeviceResources::getLUID (ComSmartPtr<IDXGIAdapter1> adapter)
|
|
{
|
|
DXGI_ADAPTER_DESC1 desc{};
|
|
adapter->GetDesc1 (&desc);
|
|
return desc.AdapterLuid;
|
|
}
|
|
|
|
std::optional<Direct2DDeviceResources> Direct2DDeviceResources::create (ComSmartPtr<ID2D1DeviceContext1> context)
|
|
{
|
|
if (context == nullptr)
|
|
return {};
|
|
|
|
Direct2DDeviceResources result;
|
|
|
|
if (const auto hr = context->CreateSolidColorBrush (D2D1::ColorF (0.0f, 0.0f, 0.0f, 1.0f),
|
|
result.colourBrush.resetAndGetPointerAddress());
|
|
FAILED (hr))
|
|
{
|
|
jassertfalse;
|
|
return {};
|
|
}
|
|
|
|
result.rectangleListSpriteBatch = std::make_unique<RectangleListSpriteBatch>();
|
|
|
|
return result;
|
|
}
|
|
|
|
//==============================================================================
|
|
HRESULT SwapChain::create (HWND hwnd, Rectangle<int> size, DxgiAdapter::Ptr adapter)
|
|
{
|
|
if (chain != nullptr || hwnd == nullptr)
|
|
return S_OK;
|
|
|
|
auto dxgiFactory = directX->adapters.getFactory();
|
|
|
|
if (dxgiFactory == nullptr || adapter->direct3DDevice == nullptr)
|
|
return E_FAIL;
|
|
|
|
buffer = nullptr;
|
|
chain = nullptr;
|
|
|
|
// Make the waitable swap chain
|
|
// Create the swap chain with premultiplied alpha support for transparent windows
|
|
DXGI_SWAP_CHAIN_DESC1 swapChainDescription = {};
|
|
swapChainDescription.Format = DXGI_FORMAT_B8G8R8A8_UNORM;
|
|
swapChainDescription.Width = (UINT) size.getWidth();
|
|
swapChainDescription.Height = (UINT) size.getHeight();
|
|
swapChainDescription.SampleDesc.Count = 1;
|
|
swapChainDescription.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
|
|
swapChainDescription.BufferCount = 2;
|
|
swapChainDescription.SwapEffect = DXGI_SWAP_EFFECT_FLIP_SEQUENTIAL;
|
|
swapChainDescription.Flags = swapChainFlags;
|
|
|
|
swapChainDescription.Scaling = DXGI_SCALING_STRETCH;
|
|
swapChainDescription.AlphaMode = DXGI_ALPHA_MODE_PREMULTIPLIED;
|
|
|
|
if (const auto hr = dxgiFactory->CreateSwapChainForComposition (adapter->direct3DDevice,
|
|
&swapChainDescription,
|
|
nullptr,
|
|
chain.resetAndGetPointerAddress());
|
|
FAILED (hr))
|
|
{
|
|
return hr;
|
|
}
|
|
|
|
// Get the waitable swap chain presentation event and set the maximum frame latency
|
|
ComSmartPtr<IDXGISwapChain2> chain2;
|
|
if (const auto hr = chain.QueryInterface (chain2); FAILED (hr))
|
|
return hr;
|
|
|
|
if (chain2 == nullptr)
|
|
return E_FAIL;
|
|
|
|
swapChainEvent.emplace (chain2->GetFrameLatencyWaitableObject());
|
|
if (swapChainEvent->getHandle() == INVALID_HANDLE_VALUE)
|
|
return E_NOINTERFACE;
|
|
|
|
chain2->SetMaximumFrameLatency (1);
|
|
|
|
createBuffer (adapter);
|
|
return buffer != nullptr ? S_OK : E_FAIL;
|
|
}
|
|
|
|
bool SwapChain::canPaint() const
|
|
{
|
|
return chain != nullptr && buffer != nullptr;
|
|
}
|
|
|
|
HRESULT SwapChain::resize (Rectangle<int> newSize)
|
|
{
|
|
if (chain == nullptr)
|
|
return E_FAIL;
|
|
|
|
constexpr auto minFrameSize = 1;
|
|
constexpr auto maxFrameSize = 16384;
|
|
|
|
auto scaledSize = newSize.getUnion ({ minFrameSize, minFrameSize })
|
|
.getIntersection ({ maxFrameSize, maxFrameSize });
|
|
|
|
buffer = nullptr;
|
|
|
|
if (const auto hr = chain->ResizeBuffers (0, (UINT) scaledSize.getWidth(), (UINT) scaledSize.getHeight(), DXGI_FORMAT_B8G8R8A8_UNORM, swapChainFlags); FAILED (hr))
|
|
return hr;
|
|
|
|
ComSmartPtr<IDXGIDevice> device;
|
|
JUCE_BEGIN_IGNORE_WARNINGS_GCC_LIKE ("-Wlanguage-extension-token")
|
|
chain->GetDevice (__uuidof (device), (void**) device.resetAndGetPointerAddress());
|
|
JUCE_END_IGNORE_WARNINGS_GCC_LIKE
|
|
|
|
createBuffer (Direct2DDeviceResources::findAdapter (directX->adapters, device));
|
|
|
|
return buffer != nullptr ? S_OK : E_FAIL;
|
|
}
|
|
|
|
Rectangle<int> SwapChain::getSize() const
|
|
{
|
|
const auto surface = getSurface();
|
|
|
|
if (surface == nullptr)
|
|
return {};
|
|
|
|
DXGI_SURFACE_DESC desc{};
|
|
if (FAILED (surface->GetDesc (&desc)))
|
|
return {};
|
|
|
|
return { (int) desc.Width, (int) desc.Height };
|
|
}
|
|
|
|
WindowsScopedEvent* SwapChain::getEvent()
|
|
{
|
|
if (swapChainEvent.has_value())
|
|
return &*swapChainEvent;
|
|
|
|
return nullptr;
|
|
}
|
|
|
|
ComSmartPtr<IDXGISurface> SwapChain::getSurface() const
|
|
{
|
|
if (chain == nullptr)
|
|
return nullptr;
|
|
|
|
ComSmartPtr<IDXGISurface> surface;
|
|
JUCE_BEGIN_IGNORE_WARNINGS_GCC_LIKE ("-Wlanguage-extension-token")
|
|
if (const auto hr = chain->GetBuffer (0, __uuidof (surface), reinterpret_cast<void**> (surface.resetAndGetPointerAddress())); FAILED (hr))
|
|
return nullptr;
|
|
JUCE_END_IGNORE_WARNINGS_GCC_LIKE
|
|
|
|
return surface;
|
|
}
|
|
|
|
void SwapChain::createBuffer (DxgiAdapter::Ptr adapter)
|
|
{
|
|
buffer = nullptr;
|
|
|
|
const auto deviceContext = Direct2DDeviceContext::create (adapter);
|
|
|
|
if (deviceContext == nullptr)
|
|
return;
|
|
|
|
const auto surface = getSurface();
|
|
|
|
if (surface == nullptr)
|
|
return;
|
|
|
|
D2D1_BITMAP_PROPERTIES1 bitmapProperties{};
|
|
bitmapProperties.bitmapOptions = D2D1_BITMAP_OPTIONS_TARGET | D2D1_BITMAP_OPTIONS_CANNOT_DRAW;
|
|
bitmapProperties.pixelFormat.format = DXGI_FORMAT_B8G8R8A8_UNORM;
|
|
bitmapProperties.pixelFormat.alphaMode = D2D1_ALPHA_MODE_PREMULTIPLIED;
|
|
|
|
deviceContext->CreateBitmapFromDxgiSurface (surface, bitmapProperties, buffer.resetAndGetPointerAddress());
|
|
}
|
|
|
|
//==============================================================================
|
|
std::optional<CompositionTree> CompositionTree::create (IDXGIDevice* dxgiDevice,
|
|
HWND hwnd,
|
|
IDXGISwapChain1* swapChain)
|
|
{
|
|
if (dxgiDevice == nullptr)
|
|
return {};
|
|
|
|
CompositionTree result;
|
|
|
|
JUCE_BEGIN_IGNORE_WARNINGS_GCC_LIKE ("-Wlanguage-extension-token")
|
|
if (const auto hr = DCompositionCreateDevice (dxgiDevice,
|
|
__uuidof (IDCompositionDevice),
|
|
reinterpret_cast<void**> (result.compositionDevice.resetAndGetPointerAddress()));
|
|
FAILED (hr))
|
|
{
|
|
return {};
|
|
}
|
|
JUCE_END_IGNORE_WARNINGS_GCC_LIKE
|
|
|
|
if (const auto hr = result.compositionDevice->CreateTargetForHwnd (hwnd, FALSE, result.compositionTarget.resetAndGetPointerAddress()); FAILED (hr))
|
|
return {};
|
|
if (const auto hr = result.compositionDevice->CreateVisual (result.compositionVisual.resetAndGetPointerAddress()); FAILED (hr))
|
|
return {};
|
|
if (const auto hr = result.compositionTarget->SetRoot (result.compositionVisual); FAILED (hr))
|
|
return {};
|
|
if (const auto hr = result.compositionVisual->SetContent (swapChain); FAILED (hr))
|
|
return {};
|
|
if (const auto hr = result.compositionDevice->Commit(); FAILED (hr))
|
|
return {};
|
|
|
|
return result;
|
|
}
|
|
|
|
//==============================================================================
|
|
String getLocalisedName (IDWriteLocalizedStrings* names)
|
|
{
|
|
jassert (names != nullptr);
|
|
|
|
uint32 index = 0;
|
|
BOOL exists = false;
|
|
[[maybe_unused]] auto hr = names->FindLocaleName (L"en-us", &index, &exists);
|
|
|
|
if (! exists)
|
|
index = 0;
|
|
|
|
uint32 length = 0;
|
|
hr = names->GetStringLength (index, &length);
|
|
|
|
HeapBlock<wchar_t> name (length + 1);
|
|
hr = names->GetString (index, name, length + 1);
|
|
|
|
return static_cast<const wchar_t*> (name);
|
|
}
|
|
|
|
String getFontFamilyName (IDWriteFontFamily* family)
|
|
{
|
|
jassert (family != nullptr);
|
|
ComSmartPtr<IDWriteLocalizedStrings> familyNames;
|
|
auto hr = family->GetFamilyNames (familyNames.resetAndGetPointerAddress());
|
|
jassertquiet (SUCCEEDED (hr));
|
|
return getLocalisedName (familyNames);
|
|
}
|
|
|
|
String getFontFaceName (IDWriteFont* font)
|
|
{
|
|
jassert (font != nullptr);
|
|
ComSmartPtr<IDWriteLocalizedStrings> faceNames;
|
|
auto hr = font->GetFaceNames (faceNames.resetAndGetPointerAddress());
|
|
jassertquiet (SUCCEEDED (hr));
|
|
return getLocalisedName (faceNames);
|
|
}
|
|
|
|
//==============================================================================
|
|
AggregateFontCollection::AggregateFontCollection (ComSmartPtr<IDWriteFontCollection> baseCollection)
|
|
: collections { std::move (baseCollection) } {}
|
|
|
|
StringArray AggregateFontCollection::findAllTypefaceNames()
|
|
{
|
|
const std::scoped_lock lock { mutex };
|
|
|
|
std::set<String> strings;
|
|
|
|
for (const auto& collection : collections)
|
|
{
|
|
const auto count = collection->GetFontFamilyCount();
|
|
|
|
for (auto i = decltype (count){}; i < count; ++i)
|
|
{
|
|
ComSmartPtr<IDWriteFontFamily> family;
|
|
|
|
if (FAILED (collection->GetFontFamily (i, family.resetAndGetPointerAddress())) || family == nullptr)
|
|
continue;
|
|
|
|
strings.insert (getFontFamilyName (family));
|
|
}
|
|
}
|
|
|
|
return stringArrayFromRange (strings);
|
|
}
|
|
|
|
std::vector<ComSmartPtr<IDWriteFont>> AggregateFontCollection::getAllFontsInFamily (IDWriteFontFamily* fontFamily)
|
|
{
|
|
const auto fontFacesCount = fontFamily->GetFontCount();
|
|
std::vector<ComSmartPtr<IDWriteFont>> result;
|
|
result.reserve (fontFacesCount);
|
|
|
|
for (UINT32 i = 0; i < fontFacesCount; ++i)
|
|
{
|
|
ComSmartPtr<IDWriteFont> dwFont;
|
|
|
|
if (FAILED (fontFamily->GetFont (i, dwFont.resetAndGetPointerAddress())))
|
|
continue;
|
|
|
|
if (dwFont->GetSimulations() != DWRITE_FONT_SIMULATIONS_NONE)
|
|
continue;
|
|
|
|
result.push_back (dwFont);
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
StringArray AggregateFontCollection::findAllTypefaceStyles (const String& family)
|
|
{
|
|
const std::scoped_lock lock { mutex };
|
|
|
|
for (const auto& collection : collections)
|
|
{
|
|
BOOL fontFound = false;
|
|
uint32 fontIndex = 0;
|
|
|
|
if (FAILED (collection->FindFamilyName (family.toWideCharPointer(), &fontIndex, &fontFound)) || ! fontFound)
|
|
continue;
|
|
|
|
ComSmartPtr<IDWriteFontFamily> fontFamily;
|
|
|
|
if (FAILED (collection->GetFontFamily (fontIndex, fontFamily.resetAndGetPointerAddress())) || fontFamily == nullptr)
|
|
continue;
|
|
|
|
std::set<String> uniqueResults;
|
|
StringArray orderedResults;
|
|
|
|
for (const auto& font : getAllFontsInFamily (fontFamily))
|
|
{
|
|
const auto name = getFontFaceName (font);
|
|
|
|
if (uniqueResults.insert (name).second)
|
|
orderedResults.add (name);
|
|
}
|
|
|
|
return orderedResults;
|
|
}
|
|
|
|
return {};
|
|
}
|
|
|
|
ComSmartPtr<IDWriteFontFamily> AggregateFontCollection::getFamilyByName (const wchar_t* name)
|
|
{
|
|
const std::scoped_lock lock { mutex };
|
|
|
|
for (const auto& collection : collections)
|
|
{
|
|
const auto fontIndex = [&]
|
|
{
|
|
BOOL found = false;
|
|
UINT32 index = 0;
|
|
|
|
return (SUCCEEDED (collection->FindFamilyName (name, &index, &found)) && found)
|
|
? index
|
|
: (UINT32) -1;
|
|
}();
|
|
|
|
if (fontIndex == (UINT32) -1)
|
|
continue;
|
|
|
|
ComSmartPtr<IDWriteFontFamily> family;
|
|
|
|
if (FAILED (collection->GetFontFamily (fontIndex, family.resetAndGetPointerAddress())) || family == nullptr)
|
|
continue;
|
|
|
|
return family;
|
|
}
|
|
|
|
return {};
|
|
}
|
|
|
|
ComSmartPtr<IDWriteFont> AggregateFontCollection::findFontForFace (IDWriteFontFace* face)
|
|
{
|
|
for (const auto& collection : collections)
|
|
{
|
|
ComSmartPtr<IDWriteFont> result;
|
|
|
|
if (SUCCEEDED (collection->GetFontFromFontFace (face, result.resetAndGetPointerAddress())))
|
|
return result;
|
|
}
|
|
|
|
return {};
|
|
}
|
|
|
|
void AggregateFontCollection::addCollection (ComSmartPtr<IDWriteFontCollection> collection)
|
|
{
|
|
const std::scoped_lock lock { mutex };
|
|
collections.push_back (std::move (collection));
|
|
}
|
|
|
|
void AggregateFontCollection::removeCollection (ComSmartPtr<IDWriteFontCollection> collection)
|
|
{
|
|
const std::scoped_lock lock { mutex };
|
|
const auto iter = std::find (collections.begin(), collections.end(), collection);
|
|
|
|
if (iter != collections.end())
|
|
collections.erase (iter);
|
|
}
|
|
|
|
auto AggregateFontCollection::mapCharacters (IDWriteFontFallback* fallback,
|
|
IDWriteTextAnalysisSource* analysisSource,
|
|
UINT32 textPosition,
|
|
UINT32 textLength,
|
|
wchar_t const* baseFamilyName,
|
|
DWRITE_FONT_WEIGHT baseWeight,
|
|
DWRITE_FONT_STYLE baseStyle,
|
|
DWRITE_FONT_STRETCH baseStretch) noexcept -> MapResult
|
|
{
|
|
const std::scoped_lock lock { mutex };
|
|
|
|
// For reasons I don't understand, the system may pick better substitutions when passing
|
|
// nullptr, instead of the system collection, as the "default collection to use".
|
|
auto collectionsToCheck = collections;
|
|
collectionsToCheck.insert (collectionsToCheck.begin(), nullptr);
|
|
|
|
MapResult bestMatch;
|
|
for (const auto& collection : collectionsToCheck)
|
|
{
|
|
MapResult result;
|
|
const auto status = fallback->MapCharacters (analysisSource,
|
|
textPosition,
|
|
textLength,
|
|
collection,
|
|
baseFamilyName,
|
|
baseWeight,
|
|
baseStyle,
|
|
baseStretch,
|
|
&result.length,
|
|
result.font.resetAndGetPointerAddress(),
|
|
&result.scale);
|
|
|
|
if (FAILED (status) || result.font == nullptr)
|
|
continue;
|
|
|
|
if (result.length == textLength)
|
|
return result;
|
|
|
|
if (result.length >= bestMatch.length)
|
|
bestMatch = result;
|
|
}
|
|
|
|
return bestMatch;
|
|
}
|
|
|
|
//==============================================================================
|
|
MemoryFontFileStream::MemoryFontFileStream (std::shared_ptr<const MemoryBlock> blockIn)
|
|
: block (std::move (blockIn))
|
|
{
|
|
}
|
|
|
|
JUCE_COMRESULT MemoryFontFileStream::GetFileSize (UINT64* fileSize) noexcept
|
|
{
|
|
*fileSize = block->getSize();
|
|
return S_OK;
|
|
}
|
|
|
|
JUCE_COMRESULT MemoryFontFileStream::GetLastWriteTime (UINT64* lastWriteTime) noexcept
|
|
{
|
|
*lastWriteTime = 0;
|
|
return S_OK;
|
|
}
|
|
|
|
JUCE_COMRESULT MemoryFontFileStream::ReadFileFragment (const void** fragmentStart,
|
|
UINT64 fileOffset,
|
|
UINT64 fragmentSize,
|
|
void** fragmentContext) noexcept
|
|
{
|
|
if (fileOffset + fragmentSize > block->getSize())
|
|
{
|
|
*fragmentStart = nullptr;
|
|
*fragmentContext = nullptr;
|
|
return E_INVALIDARG;
|
|
}
|
|
|
|
*fragmentStart = addBytesToPointer (block->getData(), fileOffset);
|
|
*fragmentContext = this;
|
|
return S_OK;
|
|
}
|
|
|
|
//==============================================================================
|
|
MemoryFontFileLoader::MemoryFontFileLoader (MemoryBlock blob)
|
|
: block (std::make_shared<const MemoryBlock> (std::move (blob)))
|
|
{
|
|
}
|
|
|
|
HRESULT WINAPI MemoryFontFileLoader::CreateStreamFromKey (const void* fontFileReferenceKey,
|
|
UINT32 keySize,
|
|
IDWriteFontFileStream** fontFileStream) noexcept
|
|
{
|
|
if (keySize != Uuid::size())
|
|
return E_INVALIDARG;
|
|
|
|
Uuid requestedKey { static_cast<const uint8*> (fontFileReferenceKey) };
|
|
|
|
if (requestedKey == uuid)
|
|
{
|
|
*fontFileStream = new MemoryFontFileStream { block };
|
|
return S_OK;
|
|
}
|
|
|
|
return E_INVALIDARG;
|
|
}
|
|
|
|
//==============================================================================
|
|
FontFileEnumerator::FontFileEnumerator (IDWriteFactory& factoryIn,
|
|
ComSmartPtr<MemoryFontFileLoader> loaderIn)
|
|
: factory (factoryIn), loader (loaderIn) {}
|
|
|
|
HRESULT WINAPI FontFileEnumerator::GetCurrentFontFile (IDWriteFontFile** fontFile) noexcept
|
|
{
|
|
*fontFile = nullptr;
|
|
|
|
if (! isPositiveAndBelow (rawDataIndex, 1))
|
|
return E_FAIL;
|
|
|
|
const auto uuid = loader->getUuid();
|
|
return factory.CreateCustomFontFileReference (uuid.getRawData(),
|
|
(UINT32) uuid.size(),
|
|
loader,
|
|
fontFile);
|
|
}
|
|
|
|
HRESULT WINAPI FontFileEnumerator::MoveNext (BOOL* hasCurrentFile) noexcept
|
|
{
|
|
++rawDataIndex;
|
|
*hasCurrentFile = rawDataIndex < 1 ? TRUE : FALSE;
|
|
return S_OK;
|
|
}
|
|
|
|
//==============================================================================
|
|
DirectWriteCustomFontCollectionLoader::DirectWriteCustomFontCollectionLoader (IDWriteFactory& factoryIn)
|
|
: factory (factoryIn)
|
|
{
|
|
}
|
|
|
|
DirectWriteCustomFontCollectionLoader::~DirectWriteCustomFontCollectionLoader()
|
|
{
|
|
for (const auto& loader : fileLoaders)
|
|
factory.UnregisterFontFileLoader (loader);
|
|
}
|
|
|
|
Uuid DirectWriteCustomFontCollectionLoader::addRawFontData (Span<const std::byte> blob)
|
|
{
|
|
const auto loader = becomeComSmartPtrOwner (new MemoryFontFileLoader { { blob.data(), blob.size() } });
|
|
|
|
factory.RegisterFontFileLoader (loader);
|
|
|
|
fileLoaders.push_back (loader);
|
|
|
|
return fileLoaders.back()->getUuid();
|
|
}
|
|
|
|
HRESULT WINAPI DirectWriteCustomFontCollectionLoader::CreateEnumeratorFromKey (IDWriteFactory* factoryIn,
|
|
const void* collectionKey,
|
|
UINT32 collectionKeySize,
|
|
IDWriteFontFileEnumerator** fontFileEnumerator) noexcept
|
|
{
|
|
if (collectionKeySize != Uuid::size())
|
|
return E_INVALIDARG;
|
|
|
|
const Uuid requestedCollectionKey { static_cast<const uint8*> (collectionKey) };
|
|
|
|
for (const auto& loader : fileLoaders)
|
|
{
|
|
if (loader->getUuid() != requestedCollectionKey)
|
|
continue;
|
|
|
|
*fontFileEnumerator = new FontFileEnumerator { *factoryIn, loader };
|
|
return S_OK;
|
|
}
|
|
|
|
return E_INVALIDARG;
|
|
}
|
|
|
|
//==============================================================================
|
|
Direct2DFactories::Direct2DFactories()
|
|
: d2dFactory { std::invoke ([&]() -> ComSmartPtr<ID2D1Factory>
|
|
{
|
|
JUCE_LOAD_WINAPI_FUNCTION (direct2dDll,
|
|
D2D1CreateFactory,
|
|
d2d1CreateFactory,
|
|
HRESULT,
|
|
(D2D1_FACTORY_TYPE, REFIID, D2D1_FACTORY_OPTIONS*, void**))
|
|
|
|
if (d2d1CreateFactory == nullptr)
|
|
return {};
|
|
|
|
D2D1_FACTORY_OPTIONS options;
|
|
options.debugLevel = D2D1_DEBUG_LEVEL_NONE;
|
|
|
|
ComSmartPtr<ID2D1Factory> result;
|
|
|
|
JUCE_BEGIN_IGNORE_WARNINGS_GCC_LIKE ("-Wlanguage-extension-token")
|
|
d2d1CreateFactory (D2D1_FACTORY_TYPE_SINGLE_THREADED,
|
|
__uuidof (ID2D1Factory),
|
|
&options,
|
|
(void**) result.resetAndGetPointerAddress());
|
|
JUCE_END_IGNORE_WARNINGS_GCC_LIKE
|
|
|
|
return result;
|
|
}) },
|
|
directWriteFactory { std::invoke ([&]() -> ComSmartPtr<IDWriteFactory>
|
|
{
|
|
JUCE_LOAD_WINAPI_FUNCTION (directWriteDll,
|
|
DWriteCreateFactory,
|
|
dWriteCreateFactory,
|
|
HRESULT,
|
|
(DWRITE_FACTORY_TYPE, REFIID, IUnknown**))
|
|
|
|
if (dWriteCreateFactory == nullptr)
|
|
return {};
|
|
|
|
ComSmartPtr<IDWriteFactory> result;
|
|
|
|
JUCE_BEGIN_IGNORE_WARNINGS_GCC_LIKE ("-Wlanguage-extension-token")
|
|
dWriteCreateFactory (DWRITE_FACTORY_TYPE_SHARED,
|
|
__uuidof (IDWriteFactory),
|
|
(IUnknown**) result.resetAndGetPointerAddress());
|
|
JUCE_END_IGNORE_WARNINGS_GCC_LIKE
|
|
|
|
return result;
|
|
}) },
|
|
collectionLoader { std::invoke ([&]() -> ComSmartPtr<DirectWriteCustomFontCollectionLoader>
|
|
{
|
|
auto result = becomeComSmartPtrOwner (new DirectWriteCustomFontCollectionLoader { *directWriteFactory });
|
|
directWriteFactory->RegisterFontCollectionLoader (result);
|
|
|
|
return result;
|
|
}) }
|
|
{
|
|
ComSmartPtr<IDWriteFontCollection> collection;
|
|
|
|
if (SUCCEEDED (directWriteFactory->GetSystemFontCollection (collection.resetAndGetPointerAddress(), FALSE)) && collection != nullptr)
|
|
fonts.emplace (collection);
|
|
else
|
|
jassertfalse;
|
|
}
|
|
|
|
Direct2DFactories::~Direct2DFactories()
|
|
{
|
|
if (directWriteFactory == nullptr)
|
|
return;
|
|
|
|
directWriteFactory->UnregisterFontCollectionLoader (collectionLoader);
|
|
}
|
|
|
|
} // namespace juce
|