72 lines
1.9 KiB
C++
72 lines
1.9 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
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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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#pragma once
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#include <win/svsys.h>
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#include <win/wincomp.hxx>
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#include <win/saldata.hxx>
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#include <memory>
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template <typename H, auto DeleterFunc> struct GDIDeleter
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{
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using pointer = H;
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void operator()(H h) { DeleterFunc(h); }
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};
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template <typename H, auto DeleterFunc>
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using ScopedGDI = std::unique_ptr<H, GDIDeleter<H, DeleterFunc>>;
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using ScopedHBRUSH = ScopedGDI<HBRUSH, DeleteBrush>;
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using ScopedHRGN = ScopedGDI<HRGN, DeleteRegion>;
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using ScopedHDC = ScopedGDI<HDC, DeleteDC>;
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using ScopedHPEN = ScopedGDI<HPEN, DeletePen>;
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using ScopedHFONT = ScopedGDI<HFONT, DeleteFont>;
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using ScopedHBITMAP = ScopedGDI<HBITMAP, DeleteBitmap>;
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template <typename ScopedH, auto SelectorFunc> class ScopedSelectedGDI
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{
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public:
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ScopedSelectedGDI(HDC hDC, typename ScopedH::pointer h)
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: m_hDC(hDC)
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, m_hSelectedH(h)
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, m_hOrigH(SelectorFunc(hDC, h))
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{
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}
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~ScopedSelectedGDI() { SelectorFunc(m_hDC, m_hOrigH); }
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private:
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HDC m_hDC;
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ScopedH m_hSelectedH;
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typename ScopedH::pointer m_hOrigH;
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};
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using ScopedSelectedHPEN = ScopedSelectedGDI<ScopedHPEN, SelectPen>;
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using ScopedSelectedHFONT = ScopedSelectedGDI<ScopedHFONT, SelectFont>;
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using ScopedSelectedHBRUSH = ScopedSelectedGDI<ScopedHBRUSH, SelectBrush>;
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template <sal_uLong ID> class ScopedCachedHDC
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{
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public:
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explicit ScopedCachedHDC(HBITMAP hBitmap)
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: m_hDC(ImplGetCachedDC(ID, hBitmap))
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{
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}
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~ScopedCachedHDC() { ImplReleaseCachedDC(ID); }
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HDC get() const { return m_hDC; }
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private:
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HDC m_hDC;
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};
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/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
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