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annotate src/video/qtopia/SDL_QWin.cc @ 468:0b0c2e63eb27

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Fixed 2048 pixel limitation in DirectX blit code
author Sam Lantinga <slouken@libsdl.org>
date Sat, 24 Aug 2002 17:15:45 +0000
parents 11c8a7684f74
children c96e2137f9eb
rev   line source
371
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997, 1998, 1999, 2000, 2001 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Library General Public
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7 License as published by the Free Software Foundation; either
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8 version 2 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Library General Public License for more details.
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14
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15 You should have received a copy of the GNU Library General Public
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16 License along with this library; if not, write to the Free
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17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22
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23 #ifdef SAVE_RCSID
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24 static char rcsid =
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25 "@(#) $Id$";
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26 #endif
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27
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28 #include "SDL_QWin.h"
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29 #include <qapplication.h>
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30 #include <qdirectpainter_qws.h>
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31 SDL_QWin::SDL_QWin(const QSize& size)
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32 : QWidget(0, "SDL_main"), my_painter(0), my_image(0),
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33 my_inhibit_resize(false), my_mouse_pos(-1,-1), my_flags(0),
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34 my_has_fullscreen(false), my_locked(0)
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35 {
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36 setBackgroundMode(NoBackground);
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37 }
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38
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39 SDL_QWin::~SDL_QWin() {
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40 // Nothing to do yet.
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41 if(my_image) {
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42 delete my_image;
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43 }
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44 }
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45
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46 void SDL_QWin::setImage(QImage *image) {
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47 if ( my_image ) {
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48 delete my_image;
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49 }
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50 my_image = image;
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51 // setFixedSize(image->size());
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52 }
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53
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54 void SDL_QWin::resizeEvent(QResizeEvent *e) {
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55 if(size() != qApp->desktop()->size()) {
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56 // Widget is not the correct size, so do the fullscreen magic
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57 my_has_fullscreen = false;
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58 enableFullscreen();
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59 }
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60 if(my_inhibit_resize) {
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61 my_inhibit_resize = false;
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62 } else {
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63 SDL_PrivateResize(e->size().width(), e->size().height());
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64 }
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65 }
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66
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67 void SDL_QWin::focusInEvent(QFocusEvent *) {
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68 // Always do it here, no matter the size.
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69 enableFullscreen();
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70 SDL_PrivateAppActive(true, SDL_APPINPUTFOCUS);
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71 }
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72
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73 void SDL_QWin::focusOutEvent(QFocusEvent *) {
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74 my_has_fullscreen = false;
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75 SDL_PrivateAppActive(false, SDL_APPINPUTFOCUS);
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76 }
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77
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78 void SDL_QWin::closeEvent(QCloseEvent *e) {
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79 SDL_PrivateQuit();
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80 e->ignore();
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81 }
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82
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83 void SDL_QWin::setMousePos(const QPoint &pos) {
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84 if(my_image->width() == height()) {
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85 my_mouse_pos = QPoint(height()-pos.y(), pos.x());
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86 } else {
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87 my_mouse_pos = pos;
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88 }
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89 }
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90
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91 void SDL_QWin::mouseMoveEvent(QMouseEvent *e) {
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92 Qt::ButtonState button = e->button();
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93 int sdlstate = 0;
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94 if( (button & Qt::LeftButton)) {
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95 sdlstate |= SDL_BUTTON_LMASK;
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96 }
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97 if( (button & Qt::RightButton)) {
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98 sdlstate |= SDL_BUTTON_RMASK;
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99 }
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100 if( (button & Qt::MidButton)) {
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101 sdlstate |= SDL_BUTTON_MMASK;
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102 }
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103 setMousePos(e->pos());
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104 SDL_PrivateMouseMotion(sdlstate, 0, my_mouse_pos.x(), my_mouse_pos.y());
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105 }
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106
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107 void SDL_QWin::mousePressEvent(QMouseEvent *e) {
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108 setMousePos(e->pos());
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109 Qt::ButtonState button = e->button();
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110 SDL_PrivateMouseButton(SDL_PRESSED,
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111 (button & Qt::LeftButton) ? 1 :
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112 ((button & Qt::RightButton) ? 2 : 3),
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113 my_mouse_pos.x(), my_mouse_pos.y());
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114 }
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115
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116 void SDL_QWin::mouseReleaseEvent(QMouseEvent *e) {
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117 setMousePos(e->pos());
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118 Qt::ButtonState button = e->button();
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119 SDL_PrivateMouseButton(SDL_RELEASED,
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120 (button & Qt::LeftButton) ? 1 :
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121 ((button & Qt::RightButton) ? 2 : 3),
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122 my_mouse_pos.x(), my_mouse_pos.y());
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123 my_mouse_pos = QPoint(-1, -1);
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124 }
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125
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126 #define USE_DIRECTPAINTER
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127
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128
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129 #ifndef __i386__
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130 static inline void gs_fastRotateBlit_3 ( unsigned short *fb,
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131 unsigned short *bits,
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132 const QRect& rect )
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133 {
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134 int startx, starty;
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135 int width, height;
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136
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137 startx = rect.left() >> 1;
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138 starty = rect.top() >> 1;
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139 width = ((rect.right() - rect.left()) >> 1) + 2;
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140 height = ((rect.bottom() - rect.top()) >> 1) + 2;
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141
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142 if((startx+width) > 120) {
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143 width = 120 - startx; // avoid horizontal overflow
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144 }
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145 if((starty+height) > 160) {
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146 height = 160 - starty; // avoid vertical overflow
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147 }
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148
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149 ulong *sp1, *sp2, *dp1, *dp2;
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diff changeset
150 ulong stop, sbot, dtop, dbot;
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151
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152 sp1 = (ulong*)bits + startx + starty*240;
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diff changeset
153 sp2 = sp1 + 120;
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154 dp1 = (ulong *)fb + (159 - starty) + startx*320;
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diff changeset
155 dp2 = dp1 + 160;
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diff changeset
156 int rowadd = (-320*width) - 1;
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diff changeset
157 int rowadd2 = 240 - width;
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158 // transfer in cells of 2x2 pixels in words
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diff changeset
159 for (int y=0; y<height; y++) {
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diff changeset
160 for (int x=0; x<width; x++) {
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diff changeset
161 // read source pixels
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162 stop = *sp1;
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163 sbot = *sp2;
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164 // rotate pixels
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165 dtop = (sbot & 0xffff) + ((stop & 0xffff)<<16);
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166 dbot = ((sbot & 0xffff0000)>>16) + (stop & 0xffff0000);
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167 // write to framebuffer
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168 *dp1 = dtop;
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diff changeset
169 *dp2 = dbot;
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diff changeset
170 // update source ptrs
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diff changeset
171 sp1++; sp2++;
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diff changeset
172 // update dest ptrs - 2 pix at a time
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173 dp1 += 320;
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diff changeset
174 dp2 += 320;
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175 }
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176 // adjust src ptrs - skip a row as we work in pairs
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177 sp1 += rowadd2;
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178 sp2 += rowadd2;
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179 // adjust dest ptrs for rotation
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180 dp1 += rowadd;
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181 dp2 += rowadd;
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182 }
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183 }
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184 #endif
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185
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186 void SDL_QWin::repaintRect(const QRect& rect) {
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187 if(!my_painter || !rect.width() || !rect.height()) {
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188 return;
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189 }
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190 #ifndef __i386__
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191
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192 if(QPixmap::defaultDepth() == 16 &&
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193 my_painter->transformOrientation() == 3 &&
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194 my_painter->numRects() >= 0) {
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195 if(my_image->width() == width()) {
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196 ushort *fb = (ushort*)my_painter->frameBuffer();
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197 ushort *buf = (ushort*)my_image->bits();
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198 gs_fastRotateBlit_3(fb, buf, rect);
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199 } else {
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200 // landscape mode
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201 uchar *fb = (uchar*)my_painter->frameBuffer();
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202 uchar *buf = (uchar*)my_image->bits();
379
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diff changeset
203 if(rect == my_image->rect()) {
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204 memcpy(fb, buf, width()*height()*2);
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diff changeset
205 } else {
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diff changeset
206 int h = rect.height();
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diff changeset
207 int wd = rect.width()<<1;
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diff changeset
208 int fblineadd = my_painter->lineStep();
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diff changeset
209 int buflineadd = my_image->bytesPerLine();
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diff changeset
210 fb += (rect.left()<<1) + rect.top() * my_painter->lineStep();
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diff changeset
211 buf += (rect.left()<<1) + rect.top() * my_image->bytesPerLine();
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diff changeset
212 while(h--) {
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diff changeset
213 memcpy(fb, buf, wd);
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diff changeset
214 fb += fblineadd;
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diff changeset
215 buf += buflineadd;
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diff changeset
216 }
371
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217 }
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218 }
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219 } else {
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diff changeset
220 #endif
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221 QPainter pp(this);
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222 pp.drawImage(rect.topLeft(), *my_image, rect);
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223 pp.end();
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diff changeset
224 #ifndef __i386__
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225 }
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226 #endif
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227 }
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228
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229 // This paints the current buffer to the screen, when desired.
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230 void SDL_QWin::paintEvent(QPaintEvent *ev) {
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diff changeset
231 if(my_image && isVisible() && isActiveWindow()) {
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diff changeset
232 lockScreen();
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diff changeset
233 repaintRect(ev->rect());
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diff changeset
234 unlockScreen();
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diff changeset
235 }
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diff changeset
236 }
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diff changeset
237
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diff changeset
238 /* Function to translate a keyboard transition and queue the key event */
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diff changeset
239 void SDL_QWin::QueueKey(QKeyEvent *e, int pressed)
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diff changeset
240 {
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diff changeset
241 SDL_keysym keysym;
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diff changeset
242 int scancode = e->key();
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diff changeset
243 /* Set the keysym information */
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diff changeset
244 if(scancode >= 'A' && scancode <= 'Z') {
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diff changeset
245 // Qt sends uppercase, SDL wants lowercase
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246 keysym.sym = static_cast<SDLKey>(scancode + 32);
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diff changeset
247 } else if(scancode >= 0x1000) {
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diff changeset
248 // Special keys
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diff changeset
249 switch(scancode) {
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250 case Qt::Key_Escape: scancode = SDLK_ESCAPE; break;
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251 case Qt::Key_Tab: scancode = SDLK_TAB; break;
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252 case Qt::Key_Backspace: scancode = SDLK_BACKSPACE; break;
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253 case Qt::Key_Return: scancode = SDLK_RETURN; break;
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254 case Qt::Key_Enter: scancode = SDLK_KP_ENTER; break;
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255 case Qt::Key_Insert: scancode = SDLK_INSERT; break;
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256 case Qt::Key_Delete: scancode = SDLK_DELETE; break;
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257 case Qt::Key_Pause: scancode = SDLK_PAUSE; break;
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diff changeset
258 case Qt::Key_Print: scancode = SDLK_PRINT; break;
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diff changeset
259 case Qt::Key_SysReq: scancode = SDLK_SYSREQ; break;
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260 case Qt::Key_Home: scancode = SDLK_HOME; break;
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261 case Qt::Key_End: scancode = SDLK_END; break;
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262 case Qt::Key_Left: scancode = SDLK_LEFT; break;
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diff changeset
263 case Qt::Key_Up: scancode = SDLK_UP; break;
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diff changeset
264 case Qt::Key_Right: scancode = SDLK_RIGHT; break;
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diff changeset
265 case Qt::Key_Down: scancode = SDLK_DOWN; break;
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diff changeset
266 case Qt::Key_Prior: scancode = SDLK_PAGEUP; break;
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diff changeset
267 case Qt::Key_Next: scancode = SDLK_PAGEDOWN; break;
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diff changeset
268 case Qt::Key_Shift: scancode = SDLK_LSHIFT; break;
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diff changeset
269 case Qt::Key_Control: scancode = SDLK_LCTRL; break;
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diff changeset
270 case Qt::Key_Meta: scancode = SDLK_LMETA; break;
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diff changeset
271 case Qt::Key_Alt: scancode = SDLK_LALT; break;
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diff changeset
272 case Qt::Key_CapsLock: scancode = SDLK_CAPSLOCK; break;
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diff changeset
273 case Qt::Key_NumLock: scancode = SDLK_NUMLOCK; break;
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diff changeset
274 case Qt::Key_ScrollLock: scancode = SDLK_SCROLLOCK; break;
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diff changeset
275 case Qt::Key_F1: scancode = SDLK_F1; break;
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diff changeset
276 case Qt::Key_F2: scancode = SDLK_F2; break;
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diff changeset
277 case Qt::Key_F3: scancode = SDLK_F3; break;
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diff changeset
278 case Qt::Key_F4: scancode = SDLK_F4; break;
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diff changeset
279 case Qt::Key_F5: scancode = SDLK_F5; break;
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diff changeset
280 case Qt::Key_F6: scancode = SDLK_F6; break;
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diff changeset
281 case Qt::Key_F7: scancode = SDLK_F7; break;
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diff changeset
282 case Qt::Key_F8: scancode = SDLK_F8; break;
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diff changeset
283 case Qt::Key_F9: scancode = SDLK_F9; break;
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diff changeset
284 case Qt::Key_F10: scancode = SDLK_F10; break;
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diff changeset
285 case Qt::Key_F11: scancode = SDLK_F11; break;
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diff changeset
286 case Qt::Key_F12: scancode = SDLK_F12; break;
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diff changeset
287 case Qt::Key_F13: scancode = SDLK_F13; break;
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diff changeset
288 case Qt::Key_F14: scancode = SDLK_F14; break;
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diff changeset
289 case Qt::Key_F15: scancode = SDLK_F15; break;
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parents:
diff changeset
290 case Qt::Key_Super_L: scancode = SDLK_LSUPER; break;
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291 case Qt::Key_Super_R: scancode = SDLK_RSUPER; break;
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292 case Qt::Key_Menu: scancode = SDLK_MENU; break;
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293 case Qt::Key_Help: scancode = SDLK_HELP; break;
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294 default:
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295 scancode = SDLK_UNKNOWN;
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296 break;
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297 }
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298 keysym.sym = static_cast<SDLKey>(scancode);
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299 } else {
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300 keysym.sym = static_cast<SDLKey>(scancode);
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301 }
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302 keysym.scancode = scancode;
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303 keysym.mod = KMOD_NONE;
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304 ButtonState st = e->state();
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305 if( (st & ShiftButton) ) { keysym.mod = static_cast<SDLMod>(keysym.mod | KMOD_LSHIFT); }
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306 if( (st & ControlButton) ) { keysym.mod = static_cast<SDLMod>(keysym.mod | KMOD_LCTRL); }
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307 if( (st & AltButton) ) { keysym.mod = static_cast<SDLMod>(keysym.mod | KMOD_LALT); }
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308 if ( SDL_TranslateUNICODE ) {
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309 QChar qchar = e->text()[0];
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310 keysym.unicode = qchar.unicode();
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311 } else {
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312 keysym.unicode = 0;
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313 }
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314
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315 /* NUMLOCK and CAPSLOCK are implemented as double-presses in reality */
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316 // if ( (keysym.sym == SDLK_NUMLOCK) || (keysym.sym == SDLK_CAPSLOCK) ) {
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317 // pressed = 1;
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318 // }
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319
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320 /* Queue the key event */
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321 if ( pressed ) {
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322 SDL_PrivateKeyboard(SDL_PRESSED, &keysym);
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323 } else {
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324 SDL_PrivateKeyboard(SDL_RELEASED, &keysym);
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325 }
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326 }
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327
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328 void SDL_QWin::setFullscreen(bool fs_on) {
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329 my_has_fullscreen = false;
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330 enableFullscreen();
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331 }
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332
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333 void SDL_QWin::enableFullscreen() {
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334 // Make sure size is correct
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335 if(!my_has_fullscreen) {
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336 setFixedSize(qApp->desktop()->size());
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337 // This call is needed because showFullScreen won't work
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338 // correctly if the widget already considers itself to be fullscreen.
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339 showNormal();
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340 // This is needed because showNormal() forcefully changes the window
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341 // style to WSTyle_TopLevel.
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342 setWFlags(WStyle_Customize | WStyle_NoBorder);
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343 // Enable fullscreen.
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344 showFullScreen();
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345 my_has_fullscreen = true;
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346 }
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347 }