1 /**************************************************************************** 2 ** 3 ** Copyright (C) 2015 The Qt Company Ltd. 4 ** Contact: http://www.qt.io/licensing/ 5 ** 6 ** This file is part of the plugins of the Qt Toolkit. 7 ** 8 ** $QT_BEGIN_LICENSE:LGPL$ 9 ** Commercial License Usage 10 ** Licensees holding valid commercial Qt licenses may use this file in 11 ** accordance with the commercial license agreement provided with the 12 ** Software or, alternatively, in accordance with the terms contained in 13 ** a written agreement between you and The Qt Company. For licensing terms 14 ** and conditions see http://www.qt.io/terms-conditions. For further 15 ** information use the contact form at http://www.qt.io/contact-us. 16 ** 17 ** GNU Lesser General Public License Usage 18 ** Alternatively, this file may be used under the terms of the GNU Lesser 19 ** General Public License version 2.1 or version 3 as published by the Free 20 ** Software Foundation and appearing in the file LICENSE.LGPLv21 and 21 ** LICENSE.LGPLv3 included in the packaging of this file. Please review the 22 ** following information to ensure the GNU Lesser General Public License 23 ** requirements will be met: https://www.gnu.org/licenses/lgpl.html and 24 ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. 25 ** 26 ** As a special exception, The Qt Company gives you certain additional 27 ** rights. These rights are described in The Qt Company LGPL Exception 28 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. 29 ** 30 ** GNU General Public License Usage 31 ** Alternatively, this file may be used under the terms of the GNU 32 ** General Public License version 3.0 as published by the Free Software 33 ** Foundation and appearing in the file LICENSE.GPL included in the 34 ** packaging of this file. Please review the following information to 35 ** ensure the GNU General Public License version 3.0 requirements will be 36 ** met: http://www.gnu.org/copyleft/gpl.html. 37 ** 38 ** $QT_END_LICENSE$ 39 ** 40 ****************************************************************************/ 41 42 #ifndef QGRAPHICSSYSTEM_LINUXFB_H 43 #define QGRAPHICSSYSTEM_LINUXFB_H 44 45 #include <QPlatformIntegration> 46 #include "../fb_base/fb_base.h" 47 48 QT_BEGIN_NAMESPACE 49 50 class QLinuxFbScreen : public QFbScreen 51 { 52 Q_OBJECT 53 public: 54 QLinuxFbScreen(uchar * d, int w, int h, int lstep, QImage::Format screenFormat); 55 void setGeometry(QRect rect); 56 void setFormat(QImage::Format format); 57 58 public slots: 59 QRegion doRedraw(); 60 61 private: 62 QImage * mFbScreenImage; 63 uchar * data; 64 int bytesPerLine; 65 66 QPainter *compositePainter; 67 }; 68 69 class QLinuxFbIntegrationPrivate; 70 struct fb_cmap; 71 struct fb_var_screeninfo; 72 struct fb_fix_screeninfo; 73 74 class QLinuxFbIntegration : public QPlatformIntegration 75 { 76 public: 77 QLinuxFbIntegration(); 78 ~QLinuxFbIntegration(); 79 80 bool hasCapability(QPlatformIntegration::Capability cap) const; 81 82 QPixmapData *createPixmapData(QPixmapData::PixelType type) const; 83 QPlatformWindow *createPlatformWindow(QWidget *widget, WId WinId) const; 84 QWindowSurface *createWindowSurface(QWidget *widget, WId WinId) const; 85 screens()86 QList<QPlatformScreen *> screens() const { return mScreens; } 87 88 QPlatformFontDatabase *fontDatabase() const; 89 90 private: 91 QLinuxFbScreen *mPrimaryScreen; 92 QList<QPlatformScreen *> mScreens; 93 QLinuxFbIntegrationPrivate *d_ptr; 94 95 enum PixelType { NormalPixel, BGRPixel }; 96 97 QRgb screenclut[256]; 98 int screencols; 99 100 uchar * data; 101 102 QImage::Format screenFormat; 103 int w; 104 int lstep; 105 int h; 106 int d; 107 PixelType pixeltype; 108 bool grayscale; 109 110 int dw; 111 int dh; 112 113 int size; // Screen size 114 int mapsize; // Total mapped memory 115 116 int displayId; 117 118 int physWidth; 119 int physHeight; 120 121 bool canaccel; 122 int dataoffset; 123 int cacheStart; 124 125 bool connect(const QString &displaySpec); 126 bool initDevice(); 127 void setPixelFormat(struct fb_var_screeninfo); 128 void createPalette(fb_cmap &cmap, fb_var_screeninfo &vinfo, fb_fix_screeninfo &finfo); 129 void blank(bool on); 130 QPlatformFontDatabase *fontDb; 131 }; 132 133 QT_END_NAMESPACE 134 135 #endif 136