1 /***************************************************************************
2 **
3 ** Copyright (C) 2015 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com, author Tobias Koenig <tobias.koenig@kdab.com>
4 ** Contact: https://www.qt.io/licensing/
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17 ** GNU Lesser General Public License Usage
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22 ** ensure the GNU Lesser General Public License version 3 requirements
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24 **
25 ** GNU General Public License Usage
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38 ****************************************************************************/
39
40 #include "qhaikuscreen.h"
41
42 #include "qhaikucursor.h"
43 #include "qhaikuutils.h"
44
45 #include <qpa/qwindowsysteminterface.h>
46
47 #include <Bitmap.h>
48 #include <Screen.h>
49 #include <Window.h>
50
QHaikuScreen()51 QHaikuScreen::QHaikuScreen()
52 : m_screen(new BScreen(B_MAIN_SCREEN_ID))
53 , m_cursor(new QHaikuCursor)
54 {
55 Q_ASSERT(m_screen->IsValid());
56 }
57
~QHaikuScreen()58 QHaikuScreen::~QHaikuScreen()
59 {
60 delete m_cursor;
61 m_cursor = nullptr;
62
63 delete m_screen;
64 m_screen = nullptr;
65 }
66
grabWindow(WId winId,int x,int y,int width,int height) const67 QPixmap QHaikuScreen::grabWindow(WId winId, int x, int y, int width, int height) const
68 {
69 if (width == 0 || height == 0)
70 return QPixmap();
71
72 BScreen screen(nullptr);
73 BBitmap *bitmap = nullptr;
74 screen.GetBitmap(&bitmap);
75
76 const BRect frame = (winId ? ((BWindow*)winId)->Frame() : screen.Frame());
77
78 const int absoluteX = frame.left + x;
79 const int absoluteY = frame.top + y;
80
81 if (width < 0)
82 width = frame.Width() - x;
83 if (height < 0)
84 height = frame.Height() - y;
85
86 const QImage::Format format = QHaikuUtils::colorSpaceToImageFormat(bitmap->ColorSpace());
87
88 // get image of complete screen
89 QImage image((uchar*)bitmap->Bits(), screen.Frame().Width() + 1, screen.Frame().Height() + 1, bitmap->BytesPerRow(), format);
90
91 // extract the area of the requested window
92 QRect grabRect(absoluteX, absoluteY, width, height);
93 image = image.copy(grabRect);
94
95 delete bitmap;
96
97 return QPixmap::fromImage(image);
98 }
99
geometry() const100 QRect QHaikuScreen::geometry() const
101 {
102 const BRect frame = m_screen->Frame();
103 return QRect(frame.left, frame.top, frame.right - frame.left, frame.bottom - frame.top);
104 }
105
depth() const106 int QHaikuScreen::depth() const
107 {
108 switch (format()) {
109 case QImage::Format_Invalid:
110 return 0;
111 break;
112 case QImage::Format_MonoLSB:
113 return 1;
114 break;
115 case QImage::Format_Indexed8:
116 return 8;
117 break;
118 case QImage::Format_RGB16:
119 case QImage::Format_RGB555:
120 return 16;
121 break;
122 case QImage::Format_RGB888:
123 return 24;
124 break;
125 case QImage::Format_RGB32:
126 case QImage::Format_ARGB32:
127 default:
128 return 32;
129 break;
130 }
131 }
132
format() const133 QImage::Format QHaikuScreen::format() const
134 {
135 return QHaikuUtils::colorSpaceToImageFormat(m_screen->ColorSpace());
136 }
137
cursor() const138 QPlatformCursor *QHaikuScreen::cursor() const
139 {
140 return m_cursor;
141 }
142
143 QT_END_NAMESPACE
144