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0001 /* This file is part of the KDE project 0002 * Copyright (C) 2006-2007 Thomas Zander <zander@kde.org> 0003 * 0004 * This library is free software; you can redistribute it and/or 0005 * modify it under the terms of the GNU Library General Public 0006 * License as published by the Free Software Foundation; either 0007 * version 2 of the License, or (at your option) any later version. 0008 * 0009 * This library is distributed in the hope that it will be useful, 0010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 0011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 0012 * Library General Public License for more details. 0013 * 0014 * You should have received a copy of the GNU Library General Public License 0015 * along with this library; see the file COPYING.LIB. If not, write to 0016 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 0017 * Boston, MA 02110-1301, USA. 0018 */ 0019 0020 #ifndef KOPOSTSCRIPTPAINTDEVICE_H 0021 #define KOPOSTSCRIPTPAINTDEVICE_H 0022 0023 #include <QPaintDevice> 0024 0025 #include "flake_export.h" 0026 0027 /** 0028 * Helper class to disable any screen conversion as that is done in flake. 0029 * 0030 * Flake has the property that all content is always defined in pts. And only when it 0031 * is displayed is it converted to the proper zoom and resolution. 0032 * 0033 * This is in contradiction to the normal behavior of Qt fonts which automatically 0034 * applies DPI on creation. So this is where this special paint device comes in. 0035 * 0036 * Usage; 0037 * 0038 * For all QFont() and QFontMetrics constructors add an instance of this PaintDevice 0039 * to the constructor if those fonts are to be used for painting in a KoShape inheriting 0040 * class. 0041 * 0042 * Note: never try to actually paint on this paint device, since that will noisily crash. 0043 */ 0044 class FLAKE_EXPORT KoPostscriptPaintDevice : public QPaintDevice 0045 { 0046 public: 0047 /// constructor 0048 KoPostscriptPaintDevice(); 0049 /// reimplemented from QPaintDevice 0050 QPaintEngine *paintEngine() const override; 0051 /// reimplemented from QPaintDevice 0052 int metric(QPaintDevice::PaintDeviceMetric metric) const override; 0053 }; 0054 0055 #endif