968db0f261
Change-Id: I727b2b5f1035ae70d62d3c5339a814161e3ec92a Reviewed-on: https://gerrit.libreoffice.org/c/core/+/108663 Tested-by: Jenkins Reviewed-by: Tor Lillqvist <tml@collabora.com>
105 lines
2.3 KiB
C++
105 lines
2.3 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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*/
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#ifndef INCLUDED_VCL_INC_QUARTZ_CGHELPER_HXX
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#define INCLUDED_VCL_INC_QUARTZ_CGHELPER_HXX
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#include <premac.h>
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#include <CoreGraphics/CoreGraphics.h>
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#include <postmac.h>
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#include <quartz/utils.h>
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class CGLayerHolder
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{
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private:
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CGLayerRef mpLayer;
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// Layer's scaling factor
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float mfScale;
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public:
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CGLayerHolder()
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: mpLayer(nullptr)
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, mfScale(1.0)
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{
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}
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CGLayerHolder(CGLayerRef pLayer, float fScale = 1.0)
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: mpLayer(pLayer)
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, mfScale(fScale)
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{
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}
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// Just the size of the layer in pixels
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CGSize getSizePixels() const
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{
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CGSize aSize;
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if (mpLayer)
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{
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aSize = CGLayerGetSize(mpLayer);
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}
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return aSize;
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}
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// Size in points is size in pixels divided by the scaling factor
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CGSize getSizePoints() const
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{
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CGSize aSize;
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if (mpLayer)
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{
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const CGSize aLayerSize = getSizePixels();
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aSize.width = aLayerSize.width / mfScale;
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aSize.height = aLayerSize.height / mfScale;
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}
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return aSize;
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}
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CGLayerRef get() const { return mpLayer; }
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bool isSet() const { return mpLayer != nullptr; }
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void set(CGLayerRef const& pLayer) { mpLayer = pLayer; }
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float getScale() const { return mfScale; }
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void setScale(float fScale) { mfScale = fScale; }
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};
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class CGContextHolder
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{
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private:
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CGContextRef mpContext;
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public:
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CGContextHolder()
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: mpContext(nullptr)
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{
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}
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CGContextHolder(CGContextRef pContext)
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: mpContext(pContext)
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{
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}
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CGContextRef get() const { return mpContext; }
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bool isSet() const { return mpContext != nullptr; }
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void set(CGContextRef const& pContext) { mpContext = pContext; }
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void saveState() { CGContextSaveGState(mpContext); }
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void restoreState() { CGContextRestoreGState(mpContext); }
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};
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#endif // INCLUDED_VCL_INC_QUARTZ_CGHELPER_HXX
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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