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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the documentation of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights.  These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

//! [0]
QGLPixelBuffer pbuffer(...);
...
pbuffer.makeCurrent();
GLuint dynamicTexture = pbuffer.generateDynamicTexture();
pbuffer.bindToDynamicTexture(dynamicTexture);
...
pbuffer.releaseFromDynamicTexture();
//! [0]


//! [1]
QGLPixelBuffer pbuffer(...);
...
pbuffer.makeCurrent();
GLuint dynamicTexture = pbuffer.generateDynamicTexture();
...
pbuffer.updateDynamicTexture(dynamicTexture);
//! [1]
generated by cgit v0.12 at 2025-10-09 23:44:03 (GMT)
s="hl num">320 MAXHEIGHT=320 def main(): macresource.need('DLOG', ID_MAIN, "PICTbrowse.rsrc") PICTbrowse() class PICTbrowse(FrameWork.Application): def __init__(self): # First init menus, etc. FrameWork.Application.__init__(self) # Next create our dialog self.main_dialog = MyDialog(self) # Now open the dialog contents = self.findPICTresources() self.main_dialog.open(ID_MAIN, contents) # Finally, go into the event loop self.mainloop() def makeusermenus(self): self.filemenu = m = FrameWork.Menu(self.menubar, "File") self.quititem = FrameWork.MenuItem(m, "Quit", "Q", self.quit) def quit(self, *args): self._quit() def showPICT(self, resid): w = PICTwindow(self) w.open(resid) #EasyDialogs.Message('Show PICT %r' % (resid,)) def findPICTresources(self): num = Res.CountResources('PICT') rv = [] for i in range(1, num+1): Res.SetResLoad(0) try: r = Res.GetIndResource('PICT', i) finally: Res.SetResLoad(1) id, type, name = r.GetResInfo() rv.append((id, name)) return rv class PICTwindow(FrameWork.Window): def open(self, (resid, resname)): if not resname: resname = '#%r' % (resid,) self.resid = resid self.picture = Qd.GetPicture(self.resid) # Get rect for picture sz, t, l, b, r = struct.unpack('hhhhh', self.picture.data[:10]) self.pictrect = (l, t, r, b) width = r-l height = b-t if width < MINWIDTH: width = MINWIDTH elif width > MAXWIDTH: width = MAXWIDTH if height < MINHEIGHT: height = MINHEIGHT elif height > MAXHEIGHT: height = MAXHEIGHT bounds = (LEFT, TOP, LEFT+width, TOP+height) self.wid = Win.NewWindow(bounds, resname, 1, 0, -1, 1, 0) self.do_postopen() def do_update(self, *args): currect = self.fitrect() Qd.DrawPicture(self.picture, currect) def fitrect(self): """Return self.pictrect scaled to fit in window""" graf = self.dlg.GetWindowPort() screenrect = graf.GetPortBounds() picwidth = self.pictrect[2] - self.pictrect[0] picheight = self.pictrect[3] - self.pictrect[1] if picwidth > screenrect[2] - screenrect[0]: factor = float(picwidth) / float(screenrect[2]-screenrect[0]) picwidth = picwidth / factor picheight = picheight / factor if picheight > screenrect[3] - screenrect[1]: factor = float(picheight) / float(screenrect[3]-screenrect[1]) picwidth = picwidth / factor picheight = picheight / factor return (screenrect[0], screenrect[1], screenrect[0]+int(picwidth), screenrect[1]+int(picheight)) class MyDialog(FrameWork.DialogWindow): "Main dialog window for PICTbrowse" def open(self, id, contents): self.id = id FrameWork.DialogWindow.open(self, ID_MAIN) self.dlg.SetDialogDefaultItem(MAIN_SHOW) self.contents = contents self.ctl = self.dlg.GetDialogItemAsControl(MAIN_LIST) h = self.ctl.GetControlData_Handle(Controls.kControlListBoxPart, Controls.kControlListBoxListHandleTag) self.list = List.as_List(h) self.setlist() def setlist(self): self.list.LDelRow(0, 0) self.list.LSetDrawingMode(0) if self.contents: self.list.LAddRow(len(self.contents), 0) for i in range(len(self.contents)): v = repr(self.contents[i][0]) if self.contents[i][1]: v = v + '"' + self.contents[i][1] + '"' self.list.LSetCell(v, (0, i)) self.list.LSetDrawingMode(1) self.list.LUpdate(self.wid.GetWindowPort().visRgn) def getselection(self): items = [] point = (0,0) while 1: ok, point = self.list.LGetSelect(1, point) if not ok: break items.append(point[1]) point = point[0], point[1]+1 values = [] for i in items: values.append(self.contents[i]) return values def do_show(self, *args): selection = self.getselection() for resid in selection: self.parent.showPICT(resid) def do_close(self): self.close() def do_itemhit(self, item, event): if item == MAIN_SHOW: self.do_show() main()
generated by cgit v0.12 at 2025-10-09 23:44:03 (GMT)