author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Fri, 16 Apr 2010 15:50:13 +0300 | |
changeset 18 | 2f34d5167611 |
parent 3 | 41300fa6a67c |
child 22 | 79de32ba3296 |
permissions | -rw-r--r-- |
0 | 1 |
/**************************************************************************** |
2 |
** |
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18
2f34d5167611
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
3
diff
changeset
|
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). |
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** All rights reserved. |
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** Contact: Nokia Corporation (qt-info@nokia.com) |
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** |
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** This file is part of the QtGui module of the Qt Toolkit. |
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** |
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** $QT_BEGIN_LICENSE:LGPL$ |
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** No Commercial Usage |
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** This file contains pre-release code and may not be distributed. |
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** You may use this file in accordance with the terms and conditions |
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** contained in the Technology Preview License Agreement accompanying |
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** this package. |
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** |
|
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** GNU Lesser General Public License Usage |
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** Alternatively, this file may be used under the terms of the GNU Lesser |
|
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** General Public License version 2.1 as published by the Free Software |
|
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** Foundation and appearing in the file LICENSE.LGPL included in the |
|
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** packaging of this file. Please review the following information to |
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** ensure the GNU Lesser General Public License version 2.1 requirements |
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
|
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** |
|
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** In addition, as a special exception, Nokia gives you certain additional |
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** rights. These rights are described in the Nokia Qt LGPL Exception |
|
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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** |
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** If you have questions regarding the use of this file, please contact |
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** Nokia at qt-info@nokia.com. |
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** |
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** |
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** |
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** |
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** |
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** |
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** |
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** |
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** $QT_END_LICENSE$ |
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** |
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****************************************************************************/ |
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||
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// Uncomment the next line to enable the MIT Shared Memory extension |
|
43 |
// |
|
44 |
// WARNING: This has some problems: |
|
45 |
// |
|
46 |
// 1. Consumes a 800x600 pixmap |
|
47 |
// 2. Qt does not handle the ShmCompletion message, so you will |
|
48 |
// get strange effects if you xForm() repeatedly. |
|
49 |
// |
|
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// #define QT_MITSHM |
|
51 |
||
52 |
#if defined(Q_OS_WIN32) && defined(QT_MITSHM) |
|
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#undef QT_MITSHM |
|
54 |
#endif |
|
55 |
||
56 |
#include "qplatformdefs.h" |
|
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||
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#include "qdebug.h" |
|
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#include "qiodevice.h" |
|
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#include "qpixmap_x11_p.h" |
|
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#include "qbitmap.h" |
|
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#include "qcolormap.h" |
|
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#include "qimage.h" |
|
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#include "qmatrix.h" |
|
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#include "qapplication.h" |
|
66 |
#include <private/qpaintengine_x11_p.h> |
|
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#include <private/qt_x11_p.h> |
|
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#include "qx11info_x11.h" |
|
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#include <private/qdrawhelper_p.h> |
|
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#include <private/qimage_p.h> |
|
18
2f34d5167611
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
3
diff
changeset
|
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#include <private/qimagepixmapcleanuphooks_p.h> |
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|
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#include <stdlib.h> |
|
74 |
||
75 |
#if defined(Q_CC_MIPS) |
|
76 |
# define for if(0){}else for |
|
77 |
#endif |
|
78 |
||
79 |
QT_BEGIN_NAMESPACE |
|
80 |
||
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QPixmap qt_toX11Pixmap(const QImage &image) |
|
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{ |
|
83 |
QPixmapData *data = |
|
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new QX11PixmapData(image.depth() == 1 |
|
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? QPixmapData::BitmapType |
|
86 |
: QPixmapData::PixmapType); |
|
87 |
||
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data->fromImage(image, Qt::AutoColor); |
|
89 |
||
90 |
return QPixmap(data); |
|
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} |
|
92 |
||
93 |
QPixmap qt_toX11Pixmap(const QPixmap &pixmap) |
|
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{ |
|
95 |
if (pixmap.isNull()) |
|
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return QPixmap(); |
|
97 |
||
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if (QPixmap(pixmap).data_ptr()->classId() == QPixmapData::X11Class) |
|
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return pixmap; |
|
100 |
||
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return qt_toX11Pixmap(pixmap.toImage()); |
|
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} |
|
103 |
||
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// For thread-safety: |
|
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// image->data does not belong to X11, so we must free it ourselves. |
|
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||
107 |
inline static void qSafeXDestroyImage(XImage *x) |
|
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{ |
|
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if (x->data) { |
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free(x->data); |
|
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x->data = 0; |
|
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} |
|
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XDestroyImage(x); |
|
114 |
} |
|
115 |
||
116 |
QBitmap QX11PixmapData::mask_to_bitmap(int screen) const |
|
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{ |
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if (!x11_mask) |
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return QBitmap(); |
|
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QPixmap::x11SetDefaultScreen(screen); |
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QBitmap bm(w, h); |
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GC gc = XCreateGC(X11->display, bm.handle(), 0, 0); |
|
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XCopyArea(X11->display, x11_mask, bm.handle(), gc, 0, 0, |
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bm.data->width(), bm.data->height(), 0, 0); |
|
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XFreeGC(X11->display, gc); |
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return bm; |
|
127 |
} |
|
128 |
||
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Qt::HANDLE QX11PixmapData::bitmap_to_mask(const QBitmap &bitmap, int screen) |
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{ |
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if (bitmap.isNull()) |
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return 0; |
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QBitmap bm = bitmap; |
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bm.x11SetScreen(screen); |
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135 |
||
136 |
Pixmap mask = XCreatePixmap(X11->display, RootWindow(X11->display, screen), |
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bm.data->width(), bm.data->height(), 1); |
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GC gc = XCreateGC(X11->display, mask, 0, 0); |
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XCopyArea(X11->display, bm.handle(), mask, gc, 0, 0, |
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bm.data->width(), bm.data->height(), 0, 0); |
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XFreeGC(X11->display, gc); |
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return mask; |
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} |
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||
145 |
||
146 |
/***************************************************************************** |
|
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MIT Shared Memory Extension support: makes xForm noticeably (~20%) faster. |
|
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*****************************************************************************/ |
|
149 |
||
150 |
#if defined(QT_MITSHM) |
|
151 |
||
152 |
static bool xshminit = false; |
|
153 |
static XShmSegmentInfo xshminfo; |
|
154 |
static XImage *xshmimg = 0; |
|
155 |
static Pixmap xshmpm = 0; |
|
156 |
||
157 |
static void qt_cleanup_mitshm() |
|
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{ |
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if (xshmimg == 0) |
|
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return; |
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Display *dpy = QX11Info::appDisplay(); |
|
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if (xshmpm) { |
|
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XFreePixmap(dpy, xshmpm); |
|
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xshmpm = 0; |
|
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} |
|
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XShmDetach(dpy, &xshminfo); xshmimg->data = 0; |
|
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qSafeXDestroyImage(xshmimg); xshmimg = 0; |
|
168 |
shmdt(xshminfo.shmaddr); |
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shmctl(xshminfo.shmid, IPC_RMID, 0); |
|
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} |
|
171 |
||
172 |
static bool qt_create_mitshm_buffer(const QPaintDevice* dev, int w, int h) |
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{ |
|
174 |
static int major, minor; |
|
175 |
static Bool pixmaps_ok; |
|
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Display *dpy = dev->data->xinfo->display(); |
|
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int dd = dev->x11Depth(); |
|
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Visual *vis = (Visual*)dev->x11Visual(); |
|
179 |
||
180 |
if (xshminit) { |
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qt_cleanup_mitshm(); |
|
182 |
} else { |
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183 |
if (!XShmQueryVersion(dpy, &major, &minor, &pixmaps_ok)) |
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184 |
return false; // MIT Shm not supported |
|
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qAddPostRoutine(qt_cleanup_mitshm); |
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xshminit = true; |
|
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} |
|
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xshmimg = XShmCreateImage(dpy, vis, dd, ZPixmap, 0, &xshminfo, w, h); |
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if (!xshmimg) |
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return false; |
|
192 |
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193 |
bool ok; |
|
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xshminfo.shmid = shmget(IPC_PRIVATE, |
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xshmimg->bytes_per_line * xshmimg->height, |
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IPC_CREAT | 0777); |
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ok = xshminfo.shmid != -1; |
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if (ok) { |
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xshmimg->data = (char*)shmat(xshminfo.shmid, 0, 0); |
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xshminfo.shmaddr = xshmimg->data; |
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ok = (xshminfo.shmaddr != (char*)-1); |
|
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} |
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xshminfo.readOnly = false; |
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if (ok) |
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ok = XShmAttach(dpy, &xshminfo); |
|
206 |
if (!ok) { |
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qSafeXDestroyImage(xshmimg); |
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xshmimg = 0; |
|
209 |
if (xshminfo.shmaddr) |
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shmdt(xshminfo.shmaddr); |
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if (xshminfo.shmid != -1) |
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shmctl(xshminfo.shmid, IPC_RMID, 0); |
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return false; |
|
214 |
} |
|
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if (pixmaps_ok) |
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xshmpm = XShmCreatePixmap(dpy, DefaultRootWindow(dpy), xshmimg->data, |
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&xshminfo, w, h, dd); |
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219 |
return true; |
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} |
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221 |
||
222 |
#else |
|
223 |
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224 |
// If extern, need a dummy. |
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// |
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// static bool qt_create_mitshm_buffer(QPaintDevice*, int, int) |
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// { |
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// return false; |
|
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// } |
|
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||
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#endif // QT_MITSHM |
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||
233 |
||
234 |
/***************************************************************************** |
|
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Internal functions |
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*****************************************************************************/ |
|
237 |
||
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extern const uchar *qt_get_bitflip_array(); // defined in qimage.cpp |
|
239 |
||
240 |
// Returns position of highest bit set or -1 if none |
|
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static int highest_bit(uint v) |
|
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{ |
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243 |
int i; |
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uint b = (uint)1 << 31; |
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for (i=31; ((b & v) == 0) && i>=0; i--) |
|
246 |
b >>= 1; |
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247 |
return i; |
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248 |
} |
|
249 |
||
250 |
// Returns position of lowest set bit in 'v' as an integer (0-31), or -1 |
|
251 |
static int lowest_bit(uint v) |
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{ |
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253 |
int i; |
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254 |
ulong lb; |
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lb = 1; |
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for (i=0; ((v & lb) == 0) && i<32; i++, lb<<=1) {} |
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257 |
return i==32 ? -1 : i; |
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} |
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259 |
||
260 |
// Counts the number of bits set in 'v' |
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static uint n_bits(uint v) |
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{ |
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263 |
int i = 0; |
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while (v) { |
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v = v & (v - 1); |
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i++; |
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267 |
} |
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return i; |
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269 |
} |
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||
271 |
static uint *red_scale_table = 0; |
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static uint *green_scale_table = 0; |
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static uint *blue_scale_table = 0; |
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274 |
||
275 |
static void cleanup_scale_tables() |
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{ |
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delete[] red_scale_table; |
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delete[] green_scale_table; |
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delete[] blue_scale_table; |
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280 |
} |
|
281 |
||
282 |
/* |
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283 |
Could do smart bitshifting, but the "obvious" algorithm only works for |
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nBits >= 4. This is more robust. |
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*/ |
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static void build_scale_table(uint **table, uint nBits) |
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{ |
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if (nBits > 7) { |
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qWarning("build_scale_table: internal error, nBits = %i", nBits); |
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290 |
return; |
|
291 |
} |
|
292 |
if (!*table) { |
|
293 |
static bool firstTable = true; |
|
294 |
if (firstTable) { |
|
295 |
qAddPostRoutine(cleanup_scale_tables); |
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296 |
firstTable = false; |
|
297 |
} |
|
298 |
*table = new uint[256]; |
|
299 |
} |
|
300 |
int maxVal = (1 << nBits) - 1; |
|
301 |
int valShift = 8 - nBits; |
|
302 |
int i; |
|
303 |
for(i = 0 ; i < maxVal + 1 ; i++) |
|
304 |
(*table)[i << valShift] = i*255/maxVal; |
|
305 |
} |
|
306 |
||
307 |
static int defaultScreen = -1; |
|
308 |
||
309 |
/***************************************************************************** |
|
310 |
QPixmap member functions |
|
311 |
*****************************************************************************/ |
|
312 |
||
313 |
static int qt_pixmap_serial = 0; |
|
314 |
int Q_GUI_EXPORT qt_x11_preferred_pixmap_depth = 0; |
|
315 |
||
316 |
QX11PixmapData::QX11PixmapData(PixelType type) |
|
317 |
: QPixmapData(type, X11Class), hd(0), |
|
318 |
flags(Uninitialized), x11_mask(0), picture(0), mask_picture(0), hd2(0), gl_surface(0), |
|
319 |
share_mode(QPixmap::ImplicitlyShared), pengine(0) |
|
320 |
{ |
|
321 |
} |
|
322 |
||
323 |
QPixmapData *QX11PixmapData::createCompatiblePixmapData() const |
|
324 |
{ |
|
325 |
return new QX11PixmapData(pixelType()); |
|
326 |
} |
|
327 |
||
328 |
void QX11PixmapData::resize(int width, int height) |
|
329 |
{ |
|
330 |
setSerialNumber(++qt_pixmap_serial); |
|
331 |
||
332 |
w = width; |
|
333 |
h = height; |
|
334 |
is_null = (w <= 0 || h <= 0); |
|
335 |
||
336 |
if (defaultScreen >= 0 && defaultScreen != xinfo.screen()) { |
|
337 |
QX11InfoData* xd = xinfo.getX11Data(true); |
|
338 |
xd->screen = defaultScreen; |
|
339 |
xd->depth = QX11Info::appDepth(xd->screen); |
|
340 |
xd->cells = QX11Info::appCells(xd->screen); |
|
341 |
xd->colormap = QX11Info::appColormap(xd->screen); |
|
342 |
xd->defaultColormap = QX11Info::appDefaultColormap(xd->screen); |
|
343 |
xd->visual = (Visual *)QX11Info::appVisual(xd->screen); |
|
344 |
xd->defaultVisual = QX11Info::appDefaultVisual(xd->screen); |
|
345 |
xinfo.setX11Data(xd); |
|
346 |
} |
|
347 |
||
348 |
int dd = xinfo.depth(); |
|
349 |
||
350 |
if (qt_x11_preferred_pixmap_depth) |
|
351 |
dd = qt_x11_preferred_pixmap_depth; |
|
352 |
||
353 |
bool make_null = w <= 0 || h <= 0; // create null pixmap |
|
354 |
d = (pixelType() == BitmapType ? 1 : dd); |
|
355 |
if (make_null || d == 0) { |
|
356 |
w = 0; |
|
357 |
h = 0; |
|
358 |
is_null = true; |
|
359 |
hd = 0; |
|
360 |
picture = 0; |
|
361 |
d = 0; |
|
362 |
if (!make_null) |
|
363 |
qWarning("QPixmap: Invalid pixmap parameters"); |
|
364 |
return; |
|
365 |
} |
|
366 |
hd = (Qt::HANDLE)XCreatePixmap(X11->display, |
|
367 |
RootWindow(X11->display, xinfo.screen()), |
|
368 |
w, h, d); |
|
369 |
#ifndef QT_NO_XRENDER |
|
370 |
if (X11->use_xrender) { |
|
371 |
XRenderPictFormat *format = d == 1 |
|
372 |
? XRenderFindStandardFormat(X11->display, PictStandardA1) |
|
373 |
: XRenderFindVisualFormat(X11->display, (Visual *)xinfo.visual()); |
|
374 |
picture = XRenderCreatePicture(X11->display, hd, format, 0, 0); |
|
375 |
} |
|
376 |
#endif // QT_NO_XRENDER |
|
377 |
} |
|
378 |
||
379 |
struct QX11AlphaDetector |
|
380 |
{ |
|
381 |
bool hasAlpha() const { |
|
382 |
if (checked) |
|
383 |
return has; |
|
384 |
// Will implicitly also check format and return quickly for opaque types... |
|
385 |
checked = true; |
|
386 |
has = const_cast<QImage *>(image)->data_ptr()->checkForAlphaPixels(); |
|
387 |
return has; |
|
388 |
} |
|
389 |
||
390 |
bool hasXRenderAndAlpha() const { |
|
391 |
if (!X11->use_xrender) |
|
392 |
return false; |
|
393 |
return hasAlpha(); |
|
394 |
} |
|
395 |
||
396 |
QX11AlphaDetector(const QImage *i, Qt::ImageConversionFlags flags) |
|
397 |
: image(i), checked(false), has(false) |
|
398 |
{ |
|
399 |
if (flags & Qt::NoOpaqueDetection) { |
|
400 |
checked = true; |
|
401 |
has = image->hasAlphaChannel(); |
|
402 |
} |
|
403 |
} |
|
404 |
||
405 |
const QImage *image; |
|
406 |
mutable bool checked; |
|
407 |
mutable bool has; |
|
408 |
}; |
|
409 |
||
410 |
void QX11PixmapData::fromImage(const QImage &img, |
|
411 |
Qt::ImageConversionFlags flags) |
|
412 |
{ |
|
413 |
setSerialNumber(++qt_pixmap_serial); |
|
414 |
||
415 |
w = img.width(); |
|
416 |
h = img.height(); |
|
417 |
d = img.depth(); |
|
418 |
is_null = (w <= 0 || h <= 0); |
|
419 |
||
3
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
420 |
if (is_null) { |
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
421 |
w = h = 0; |
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
422 |
return; |
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
423 |
} |
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
424 |
|
0 | 425 |
if (defaultScreen >= 0 && defaultScreen != xinfo.screen()) { |
426 |
QX11InfoData* xd = xinfo.getX11Data(true); |
|
427 |
xd->screen = defaultScreen; |
|
428 |
xd->depth = QX11Info::appDepth(xd->screen); |
|
429 |
xd->cells = QX11Info::appCells(xd->screen); |
|
430 |
xd->colormap = QX11Info::appColormap(xd->screen); |
|
431 |
xd->defaultColormap = QX11Info::appDefaultColormap(xd->screen); |
|
432 |
xd->visual = (Visual *)QX11Info::appVisual(xd->screen); |
|
433 |
xd->defaultVisual = QX11Info::appDefaultVisual(xd->screen); |
|
434 |
xinfo.setX11Data(xd); |
|
435 |
} |
|
436 |
||
437 |
if (pixelType() == BitmapType) { |
|
438 |
bitmapFromImage(img); |
|
439 |
return; |
|
440 |
} |
|
441 |
||
442 |
if (uint(w) >= 32768 || uint(h) >= 32768) { |
|
443 |
w = h = 0; |
|
444 |
is_null = true; |
|
445 |
return; |
|
446 |
} |
|
447 |
||
448 |
QX11AlphaDetector alphaCheck(&img, flags); |
|
449 |
int dd = alphaCheck.hasXRenderAndAlpha() ? 32 : xinfo.depth(); |
|
450 |
||
451 |
if (qt_x11_preferred_pixmap_depth) |
|
452 |
dd = qt_x11_preferred_pixmap_depth; |
|
453 |
||
454 |
QImage image = img; |
|
455 |
||
456 |
// must be monochrome |
|
457 |
if (dd == 1 || (flags & Qt::ColorMode_Mask) == Qt::MonoOnly) { |
|
458 |
if (d != 1) { |
|
459 |
// dither |
|
460 |
image = image.convertToFormat(QImage::Format_MonoLSB, flags); |
|
461 |
d = 1; |
|
462 |
} |
|
463 |
} else { // can be both |
|
464 |
bool conv8 = false; |
|
465 |
if (d > 8 && dd <= 8) { // convert to 8 bit |
|
466 |
if ((flags & Qt::DitherMode_Mask) == Qt::AutoDither) |
|
467 |
flags = (flags & ~Qt::DitherMode_Mask) |
|
468 |
| Qt::PreferDither; |
|
469 |
conv8 = true; |
|
470 |
} else if ((flags & Qt::ColorMode_Mask) == Qt::ColorOnly) { |
|
471 |
conv8 = (d == 1); // native depth wanted |
|
472 |
} else if (d == 1) { |
|
3
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
473 |
if (image.colorCount() == 2) { |
0 | 474 |
QRgb c0 = image.color(0); // Auto: convert to best |
475 |
QRgb c1 = image.color(1); |
|
476 |
conv8 = qMin(c0,c1) != qRgb(0,0,0) || qMax(c0,c1) != qRgb(255,255,255); |
|
477 |
} else { |
|
478 |
// eg. 1-color monochrome images (they do exist). |
|
479 |
conv8 = true; |
|
480 |
} |
|
481 |
} |
|
482 |
if (conv8) { |
|
483 |
image = image.convertToFormat(QImage::Format_Indexed8, flags); |
|
484 |
d = 8; |
|
485 |
} |
|
486 |
} |
|
487 |
||
488 |
if (d == 1 || d == 16 || d == 24) { |
|
489 |
image = image.convertToFormat(QImage::Format_RGB32, flags); |
|
490 |
fromImage(image, Qt::AutoColor); |
|
491 |
return; |
|
492 |
} |
|
493 |
||
494 |
Display *dpy = X11->display; |
|
495 |
Visual *visual = (Visual *)xinfo.visual(); |
|
496 |
XImage *xi = 0; |
|
497 |
bool trucol = (visual->c_class >= TrueColor); |
|
3
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
498 |
int nbytes = image.byteCount(); |
0 | 499 |
uchar *newbits= 0; |
500 |
||
501 |
#ifndef QT_NO_XRENDER |
|
502 |
if (alphaCheck.hasXRenderAndAlpha()) { |
|
503 |
const QImage &cimage = image; |
|
504 |
||
505 |
d = 32; |
|
506 |
||
507 |
if (QX11Info::appDepth() != d) { |
|
508 |
if (xinfo.x11data) { |
|
509 |
xinfo.x11data->depth = d; |
|
510 |
} else { |
|
511 |
QX11InfoData *xd = xinfo.getX11Data(true); |
|
512 |
xd->screen = QX11Info::appScreen(); |
|
513 |
xd->depth = d; |
|
514 |
xd->cells = QX11Info::appCells(); |
|
515 |
xd->colormap = QX11Info::appColormap(); |
|
516 |
xd->defaultColormap = QX11Info::appDefaultColormap(); |
|
517 |
xd->visual = (Visual *)QX11Info::appVisual(); |
|
518 |
xd->defaultVisual = QX11Info::appDefaultVisual(); |
|
519 |
xinfo.setX11Data(xd); |
|
520 |
} |
|
521 |
} |
|
522 |
||
523 |
hd = (Qt::HANDLE)XCreatePixmap(dpy, RootWindow(dpy, xinfo.screen()), |
|
524 |
w, h, d); |
|
525 |
picture = XRenderCreatePicture(X11->display, hd, |
|
526 |
XRenderFindStandardFormat(X11->display, PictStandardARGB32), 0, 0); |
|
527 |
||
528 |
xi = XCreateImage(dpy, visual, d, ZPixmap, 0, 0, w, h, 32, 0); |
|
529 |
Q_CHECK_PTR(xi); |
|
530 |
newbits = (uchar *)malloc(xi->bytes_per_line*h); |
|
531 |
Q_CHECK_PTR(newbits); |
|
532 |
xi->data = (char *)newbits; |
|
533 |
||
534 |
switch(cimage.format()) { |
|
535 |
case QImage::Format_Indexed8: { |
|
536 |
QVector<QRgb> colorTable = cimage.colorTable(); |
|
537 |
uint *xidata = (uint *)xi->data; |
|
538 |
for (int y = 0; y < h; ++y) { |
|
539 |
const uchar *p = cimage.scanLine(y); |
|
540 |
for (int x = 0; x < w; ++x) { |
|
541 |
const QRgb rgb = colorTable[p[x]]; |
|
542 |
const int a = qAlpha(rgb); |
|
543 |
if (a == 0xff) |
|
544 |
*xidata = rgb; |
|
545 |
else |
|
546 |
// RENDER expects premultiplied alpha |
|
547 |
*xidata = qRgba(qt_div_255(qRed(rgb) * a), |
|
548 |
qt_div_255(qGreen(rgb) * a), |
|
549 |
qt_div_255(qBlue(rgb) * a), |
|
550 |
a); |
|
551 |
++xidata; |
|
552 |
} |
|
553 |
} |
|
554 |
} |
|
555 |
break; |
|
556 |
case QImage::Format_RGB32: { |
|
557 |
uint *xidata = (uint *)xi->data; |
|
558 |
for (int y = 0; y < h; ++y) { |
|
559 |
const QRgb *p = (const QRgb *) cimage.scanLine(y); |
|
560 |
for (int x = 0; x < w; ++x) |
|
561 |
*xidata++ = p[x] | 0xff000000; |
|
562 |
} |
|
563 |
} |
|
564 |
break; |
|
565 |
case QImage::Format_ARGB32: { |
|
566 |
uint *xidata = (uint *)xi->data; |
|
567 |
for (int y = 0; y < h; ++y) { |
|
568 |
const QRgb *p = (const QRgb *) cimage.scanLine(y); |
|
569 |
for (int x = 0; x < w; ++x) { |
|
570 |
const QRgb rgb = p[x]; |
|
571 |
const int a = qAlpha(rgb); |
|
572 |
if (a == 0xff) |
|
573 |
*xidata = rgb; |
|
574 |
else |
|
575 |
// RENDER expects premultiplied alpha |
|
576 |
*xidata = qRgba(qt_div_255(qRed(rgb) * a), |
|
577 |
qt_div_255(qGreen(rgb) * a), |
|
578 |
qt_div_255(qBlue(rgb) * a), |
|
579 |
a); |
|
580 |
++xidata; |
|
581 |
} |
|
582 |
} |
|
583 |
||
584 |
} |
|
585 |
break; |
|
586 |
case QImage::Format_ARGB32_Premultiplied: { |
|
587 |
uint *xidata = (uint *)xi->data; |
|
588 |
for (int y = 0; y < h; ++y) { |
|
589 |
const QRgb *p = (const QRgb *) cimage.scanLine(y); |
|
590 |
memcpy(xidata, p, w*sizeof(QRgb)); |
|
591 |
xidata += w; |
|
592 |
} |
|
593 |
} |
|
594 |
break; |
|
595 |
default: |
|
596 |
Q_ASSERT(false); |
|
597 |
} |
|
598 |
||
599 |
if ((xi->byte_order == MSBFirst) != (QSysInfo::ByteOrder == QSysInfo::BigEndian)) { |
|
600 |
uint *xidata = (uint *)xi->data; |
|
601 |
uint *xiend = xidata + w*h; |
|
602 |
while (xidata < xiend) { |
|
603 |
*xidata = (*xidata >> 24) |
|
604 |
| ((*xidata >> 8) & 0xff00) |
|
605 |
| ((*xidata << 8) & 0xff0000) |
|
606 |
| (*xidata << 24); |
|
607 |
++xidata; |
|
608 |
} |
|
609 |
} |
|
610 |
||
611 |
GC gc = XCreateGC(dpy, hd, 0, 0); |
|
612 |
XPutImage(dpy, hd, gc, xi, 0, 0, 0, 0, w, h); |
|
613 |
XFreeGC(dpy, gc); |
|
614 |
||
615 |
qSafeXDestroyImage(xi); |
|
616 |
||
617 |
return; |
|
618 |
} |
|
619 |
#endif // QT_NO_XRENDER |
|
620 |
||
621 |
if (trucol) { // truecolor display |
|
622 |
if (image.format() == QImage::Format_ARGB32_Premultiplied) |
|
623 |
image = image.convertToFormat(QImage::Format_ARGB32); |
|
624 |
||
625 |
const QImage &cimage = image; |
|
626 |
QRgb pix[256]; // pixel translation table |
|
627 |
const bool d8 = (d == 8); |
|
628 |
const uint red_mask = (uint)visual->red_mask; |
|
629 |
const uint green_mask = (uint)visual->green_mask; |
|
630 |
const uint blue_mask = (uint)visual->blue_mask; |
|
631 |
const int red_shift = highest_bit(red_mask) - 7; |
|
632 |
const int green_shift = highest_bit(green_mask) - 7; |
|
633 |
const int blue_shift = highest_bit(blue_mask) - 7; |
|
634 |
const uint rbits = highest_bit(red_mask) - lowest_bit(red_mask) + 1; |
|
635 |
const uint gbits = highest_bit(green_mask) - lowest_bit(green_mask) + 1; |
|
636 |
const uint bbits = highest_bit(blue_mask) - lowest_bit(blue_mask) + 1; |
|
637 |
||
638 |
if (d8) { // setup pixel translation |
|
639 |
QVector<QRgb> ctable = cimage.colorTable(); |
|
3
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
640 |
for (int i=0; i < cimage.colorCount(); i++) { |
0 | 641 |
int r = qRed (ctable[i]); |
642 |
int g = qGreen(ctable[i]); |
|
643 |
int b = qBlue (ctable[i]); |
|
644 |
r = red_shift > 0 ? r << red_shift : r >> -red_shift; |
|
645 |
g = green_shift > 0 ? g << green_shift : g >> -green_shift; |
|
646 |
b = blue_shift > 0 ? b << blue_shift : b >> -blue_shift; |
|
647 |
pix[i] = (b & blue_mask) | (g & green_mask) | (r & red_mask) |
|
648 |
| ~(blue_mask | green_mask | red_mask); |
|
649 |
} |
|
650 |
} |
|
651 |
||
652 |
xi = XCreateImage(dpy, visual, dd, ZPixmap, 0, 0, w, h, 32, 0); |
|
653 |
Q_CHECK_PTR(xi); |
|
654 |
newbits = (uchar *)malloc(xi->bytes_per_line*h); |
|
655 |
Q_CHECK_PTR(newbits); |
|
656 |
if (!newbits) // no memory |
|
657 |
return; |
|
658 |
int bppc = xi->bits_per_pixel; |
|
659 |
||
660 |
bool contig_bits = n_bits(red_mask) == rbits && |
|
661 |
n_bits(green_mask) == gbits && |
|
662 |
n_bits(blue_mask) == bbits; |
|
663 |
bool dither_tc = |
|
664 |
// Want it? |
|
665 |
(flags & Qt::Dither_Mask) != Qt::ThresholdDither && |
|
666 |
(flags & Qt::DitherMode_Mask) != Qt::AvoidDither && |
|
667 |
// Need it? |
|
668 |
bppc < 24 && !d8 && |
|
669 |
// Can do it? (Contiguous bits?) |
|
670 |
contig_bits; |
|
671 |
||
672 |
static bool init=false; |
|
673 |
static int D[16][16]; |
|
674 |
if (dither_tc && !init) { |
|
675 |
// I also contributed this code to XV - WWA. |
|
676 |
/* |
|
677 |
The dither matrix, D, is obtained with this formula: |
|
678 |
||
679 |
D2 = [0 2] |
|
680 |
[3 1] |
|
681 |
||
682 |
||
683 |
D2*n = [4*Dn 4*Dn+2*Un] |
|
684 |
[4*Dn+3*Un 4*Dn+1*Un] |
|
685 |
*/ |
|
686 |
int n,i,j; |
|
687 |
init=1; |
|
688 |
||
689 |
/* Set D2 */ |
|
690 |
D[0][0]=0; |
|
691 |
D[1][0]=2; |
|
692 |
D[0][1]=3; |
|
693 |
D[1][1]=1; |
|
694 |
||
695 |
/* Expand using recursive definition given above */ |
|
696 |
for (n=2; n<16; n*=2) { |
|
697 |
for (i=0; i<n; i++) { |
|
698 |
for (j=0; j<n; j++) { |
|
699 |
D[i][j]*=4; |
|
700 |
D[i+n][j]=D[i][j]+2; |
|
701 |
D[i][j+n]=D[i][j]+3; |
|
702 |
D[i+n][j+n]=D[i][j]+1; |
|
703 |
} |
|
704 |
} |
|
705 |
} |
|
706 |
init=true; |
|
707 |
} |
|
708 |
||
709 |
enum { BPP8, |
|
710 |
BPP16_565, BPP16_555, |
|
711 |
BPP16_MSB, BPP16_LSB, |
|
712 |
BPP24_888, |
|
713 |
BPP24_MSB, BPP24_LSB, |
|
714 |
BPP32_8888, |
|
715 |
BPP32_MSB, BPP32_LSB |
|
716 |
} mode = BPP8; |
|
717 |
||
718 |
bool same_msb_lsb = (xi->byte_order == MSBFirst) == (QSysInfo::ByteOrder == QSysInfo::BigEndian); |
|
719 |
||
720 |
if(bppc == 8) // 8 bit |
|
721 |
mode = BPP8; |
|
722 |
else if(bppc == 16) { // 16 bit MSB/LSB |
|
723 |
if(red_shift == 8 && green_shift == 3 && blue_shift == -3 && !d8 && same_msb_lsb) |
|
724 |
mode = BPP16_565; |
|
725 |
else if(red_shift == 7 && green_shift == 2 && blue_shift == -3 && !d8 && same_msb_lsb) |
|
726 |
mode = BPP16_555; |
|
727 |
else |
|
728 |
mode = (xi->byte_order == LSBFirst) ? BPP16_LSB : BPP16_MSB; |
|
729 |
} else if(bppc == 24) { // 24 bit MSB/LSB |
|
730 |
if (red_shift == 16 && green_shift == 8 && blue_shift == 0 && !d8 && same_msb_lsb) |
|
731 |
mode = BPP24_888; |
|
732 |
else |
|
733 |
mode = (xi->byte_order == LSBFirst) ? BPP24_LSB : BPP24_MSB; |
|
734 |
} else if(bppc == 32) { // 32 bit MSB/LSB |
|
735 |
if(red_shift == 16 && green_shift == 8 && blue_shift == 0 && !d8 && same_msb_lsb) |
|
736 |
mode = BPP32_8888; |
|
737 |
else |
|
738 |
mode = (xi->byte_order == LSBFirst) ? BPP32_LSB : BPP32_MSB; |
|
739 |
} else |
|
740 |
qFatal("Logic error 3"); |
|
741 |
||
742 |
#define GET_PIXEL \ |
|
743 |
uint pixel; \ |
|
744 |
if (d8) pixel = pix[*src++]; \ |
|
745 |
else { \ |
|
746 |
int r = qRed (*p); \ |
|
747 |
int g = qGreen(*p); \ |
|
748 |
int b = qBlue (*p++); \ |
|
749 |
r = red_shift > 0 \ |
|
750 |
? r << red_shift : r >> -red_shift; \ |
|
751 |
g = green_shift > 0 \ |
|
752 |
? g << green_shift : g >> -green_shift; \ |
|
753 |
b = blue_shift > 0 \ |
|
754 |
? b << blue_shift : b >> -blue_shift; \ |
|
755 |
pixel = (r & red_mask)|(g & green_mask) | (b & blue_mask) \ |
|
756 |
| ~(blue_mask | green_mask | red_mask); \ |
|
757 |
} |
|
758 |
||
759 |
#define GET_PIXEL_DITHER_TC \ |
|
760 |
int r = qRed (*p); \ |
|
761 |
int g = qGreen(*p); \ |
|
762 |
int b = qBlue (*p++); \ |
|
763 |
const int thres = D[x%16][y%16]; \ |
|
764 |
if (r <= (255-(1<<(8-rbits))) && ((r<<rbits) & 255) \ |
|
765 |
> thres) \ |
|
766 |
r += (1<<(8-rbits)); \ |
|
767 |
if (g <= (255-(1<<(8-gbits))) && ((g<<gbits) & 255) \ |
|
768 |
> thres) \ |
|
769 |
g += (1<<(8-gbits)); \ |
|
770 |
if (b <= (255-(1<<(8-bbits))) && ((b<<bbits) & 255) \ |
|
771 |
> thres) \ |
|
772 |
b += (1<<(8-bbits)); \ |
|
773 |
r = red_shift > 0 \ |
|
774 |
? r << red_shift : r >> -red_shift; \ |
|
775 |
g = green_shift > 0 \ |
|
776 |
? g << green_shift : g >> -green_shift; \ |
|
777 |
b = blue_shift > 0 \ |
|
778 |
? b << blue_shift : b >> -blue_shift; \ |
|
779 |
uint pixel = (r & red_mask)|(g & green_mask) | (b & blue_mask); |
|
780 |
||
781 |
// again, optimized case |
|
782 |
// can't be optimized that much :( |
|
783 |
#define GET_PIXEL_DITHER_TC_OPT(red_shift,green_shift,blue_shift,red_mask,green_mask,blue_mask, \ |
|
784 |
rbits,gbits,bbits) \ |
|
785 |
const int thres = D[x%16][y%16]; \ |
|
786 |
int r = qRed (*p); \ |
|
787 |
if (r <= (255-(1<<(8-rbits))) && ((r<<rbits) & 255) \ |
|
788 |
> thres) \ |
|
789 |
r += (1<<(8-rbits)); \ |
|
790 |
int g = qGreen(*p); \ |
|
791 |
if (g <= (255-(1<<(8-gbits))) && ((g<<gbits) & 255) \ |
|
792 |
> thres) \ |
|
793 |
g += (1<<(8-gbits)); \ |
|
794 |
int b = qBlue (*p++); \ |
|
795 |
if (b <= (255-(1<<(8-bbits))) && ((b<<bbits) & 255) \ |
|
796 |
> thres) \ |
|
797 |
b += (1<<(8-bbits)); \ |
|
798 |
uint pixel = ((r red_shift) & red_mask) \ |
|
799 |
| ((g green_shift) & green_mask) \ |
|
800 |
| ((b blue_shift) & blue_mask); |
|
801 |
||
802 |
#define CYCLE(body) \ |
|
803 |
for (int y=0; y<h; y++) { \ |
|
804 |
const uchar* src = cimage.scanLine(y); \ |
|
805 |
uchar* dst = newbits + xi->bytes_per_line*y; \ |
|
806 |
const QRgb* p = (const QRgb *)src; \ |
|
807 |
body \ |
|
808 |
} |
|
809 |
||
810 |
if (dither_tc) { |
|
811 |
switch (mode) { |
|
812 |
case BPP16_565: |
|
813 |
CYCLE( |
|
814 |
quint16* dst16 = (quint16*)dst; |
|
815 |
for (int x=0; x<w; x++) { |
|
816 |
GET_PIXEL_DITHER_TC_OPT(<<8,<<3,>>3,0xf800,0x7e0,0x1f,5,6,5) |
|
817 |
*dst16++ = pixel; |
|
818 |
} |
|
819 |
) |
|
820 |
break; |
|
821 |
case BPP16_555: |
|
822 |
CYCLE( |
|
823 |
quint16* dst16 = (quint16*)dst; |
|
824 |
for (int x=0; x<w; x++) { |
|
825 |
GET_PIXEL_DITHER_TC_OPT(<<7,<<2,>>3,0x7c00,0x3e0,0x1f,5,5,5) |
|
826 |
*dst16++ = pixel; |
|
827 |
} |
|
828 |
) |
|
829 |
break; |
|
830 |
case BPP16_MSB: // 16 bit MSB |
|
831 |
CYCLE( |
|
832 |
for (int x=0; x<w; x++) { |
|
833 |
GET_PIXEL_DITHER_TC |
|
834 |
*dst++ = (pixel >> 8); |
|
835 |
*dst++ = pixel; |
|
836 |
} |
|
837 |
) |
|
838 |
break; |
|
839 |
case BPP16_LSB: // 16 bit LSB |
|
840 |
CYCLE( |
|
841 |
for (int x=0; x<w; x++) { |
|
842 |
GET_PIXEL_DITHER_TC |
|
843 |
*dst++ = pixel; |
|
844 |
*dst++ = pixel >> 8; |
|
845 |
} |
|
846 |
) |
|
847 |
break; |
|
848 |
default: |
|
849 |
qFatal("Logic error"); |
|
850 |
} |
|
851 |
} else { |
|
852 |
switch (mode) { |
|
853 |
case BPP8: // 8 bit |
|
854 |
CYCLE( |
|
855 |
Q_UNUSED(p); |
|
856 |
for (int x=0; x<w; x++) |
|
857 |
*dst++ = pix[*src++]; |
|
858 |
) |
|
859 |
break; |
|
860 |
case BPP16_565: |
|
861 |
CYCLE( |
|
862 |
quint16* dst16 = (quint16*)dst; |
|
863 |
for (int x = 0; x < w; x++) { |
|
864 |
*dst16++ = ((*p >> 8) & 0xf800) |
|
865 |
| ((*p >> 5) & 0x7e0) |
|
866 |
| ((*p >> 3) & 0x1f); |
|
867 |
++p; |
|
868 |
} |
|
869 |
) |
|
870 |
break; |
|
871 |
case BPP16_555: |
|
872 |
CYCLE( |
|
873 |
quint16* dst16 = (quint16*)dst; |
|
874 |
for (int x=0; x<w; x++) { |
|
875 |
*dst16++ = ((*p >> 9) & 0x7c00) |
|
876 |
| ((*p >> 6) & 0x3e0) |
|
877 |
| ((*p >> 3) & 0x1f); |
|
878 |
++p; |
|
879 |
} |
|
880 |
) |
|
881 |
break; |
|
882 |
case BPP16_MSB: // 16 bit MSB |
|
883 |
CYCLE( |
|
884 |
for (int x=0; x<w; x++) { |
|
885 |
GET_PIXEL |
|
886 |
*dst++ = (pixel >> 8); |
|
887 |
*dst++ = pixel; |
|
888 |
} |
|
889 |
) |
|
890 |
break; |
|
891 |
case BPP16_LSB: // 16 bit LSB |
|
892 |
CYCLE( |
|
893 |
for (int x=0; x<w; x++) { |
|
894 |
GET_PIXEL |
|
895 |
*dst++ = pixel; |
|
896 |
*dst++ = pixel >> 8; |
|
897 |
} |
|
898 |
) |
|
899 |
break; |
|
900 |
case BPP24_888: // 24 bit MSB |
|
901 |
CYCLE( |
|
902 |
for (int x=0; x<w; x++) { |
|
903 |
*dst++ = qRed (*p); |
|
904 |
*dst++ = qGreen(*p); |
|
905 |
*dst++ = qBlue (*p++); |
|
906 |
} |
|
907 |
) |
|
908 |
break; |
|
909 |
case BPP24_MSB: // 24 bit MSB |
|
910 |
CYCLE( |
|
911 |
for (int x=0; x<w; x++) { |
|
912 |
GET_PIXEL |
|
913 |
*dst++ = pixel >> 16; |
|
914 |
*dst++ = pixel >> 8; |
|
915 |
*dst++ = pixel; |
|
916 |
} |
|
917 |
) |
|
918 |
break; |
|
919 |
case BPP24_LSB: // 24 bit LSB |
|
920 |
CYCLE( |
|
921 |
for (int x=0; x<w; x++) { |
|
922 |
GET_PIXEL |
|
923 |
*dst++ = pixel; |
|
924 |
*dst++ = pixel >> 8; |
|
925 |
*dst++ = pixel >> 16; |
|
926 |
} |
|
927 |
) |
|
928 |
break; |
|
929 |
case BPP32_8888: |
|
930 |
CYCLE( |
|
931 |
memcpy(dst, p, w * 4); |
|
932 |
) |
|
933 |
break; |
|
934 |
case BPP32_MSB: // 32 bit MSB |
|
935 |
CYCLE( |
|
936 |
for (int x=0; x<w; x++) { |
|
937 |
GET_PIXEL |
|
938 |
*dst++ = pixel >> 24; |
|
939 |
*dst++ = pixel >> 16; |
|
940 |
*dst++ = pixel >> 8; |
|
941 |
*dst++ = pixel; |
|
942 |
} |
|
943 |
) |
|
944 |
break; |
|
945 |
case BPP32_LSB: // 32 bit LSB |
|
946 |
CYCLE( |
|
947 |
for (int x=0; x<w; x++) { |
|
948 |
GET_PIXEL |
|
949 |
*dst++ = pixel; |
|
950 |
*dst++ = pixel >> 8; |
|
951 |
*dst++ = pixel >> 16; |
|
952 |
*dst++ = pixel >> 24; |
|
953 |
} |
|
954 |
) |
|
955 |
break; |
|
956 |
default: |
|
957 |
qFatal("Logic error 2"); |
|
958 |
} |
|
959 |
} |
|
960 |
xi->data = (char *)newbits; |
|
961 |
} |
|
962 |
||
963 |
if (d == 8 && !trucol) { // 8 bit pixmap |
|
964 |
int pop[256]; // pixel popularity |
|
965 |
||
3
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
966 |
if (image.colorCount() == 0) |
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
967 |
image.setColorCount(1); |
0 | 968 |
|
969 |
const QImage &cimage = image; |
|
970 |
memset(pop, 0, sizeof(int)*256); // reset popularity array |
|
971 |
for (int i = 0; i < h; i++) { // for each scanline... |
|
972 |
const uchar* p = cimage.scanLine(i); |
|
973 |
const uchar *end = p + w; |
|
974 |
while (p < end) // compute popularity |
|
975 |
pop[*p++]++; |
|
976 |
} |
|
977 |
||
978 |
newbits = (uchar *)malloc(nbytes); // copy image into newbits |
|
979 |
Q_CHECK_PTR(newbits); |
|
980 |
if (!newbits) // no memory |
|
981 |
return; |
|
982 |
uchar* p = newbits; |
|
983 |
memcpy(p, cimage.bits(), nbytes); // copy image data into newbits |
|
984 |
||
985 |
/* |
|
986 |
* The code below picks the most important colors. It is based on the |
|
987 |
* diversity algorithm, implemented in XV 3.10. XV is (C) by John Bradley. |
|
988 |
*/ |
|
989 |
||
990 |
struct PIX { // pixel sort element |
|
991 |
uchar r,g,b,n; // color + pad |
|
992 |
int use; // popularity |
|
993 |
int index; // index in colormap |
|
994 |
int mindist; |
|
995 |
}; |
|
996 |
int ncols = 0; |
|
3
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
997 |
for (int i=0; i< cimage.colorCount(); i++) { // compute number of colors |
0 | 998 |
if (pop[i] > 0) |
999 |
ncols++; |
|
1000 |
} |
|
3
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1001 |
for (int i = cimage.colorCount(); i < 256; i++) // ignore out-of-range pixels |
0 | 1002 |
pop[i] = 0; |
1003 |
||
1004 |
// works since we make sure above to have at least |
|
1005 |
// one color in the image |
|
1006 |
if (ncols == 0) |
|
1007 |
ncols = 1; |
|
1008 |
||
1009 |
PIX pixarr[256]; // pixel array |
|
1010 |
PIX pixarr_sorted[256]; // pixel array (sorted) |
|
1011 |
memset(pixarr, 0, ncols*sizeof(PIX)); |
|
1012 |
PIX *px = &pixarr[0]; |
|
1013 |
int maxpop = 0; |
|
1014 |
int maxpix = 0; |
|
1015 |
uint j = 0; |
|
1016 |
QVector<QRgb> ctable = cimage.colorTable(); |
|
1017 |
for (int i = 0; i < 256; i++) { // init pixel array |
|
1018 |
if (pop[i] > 0) { |
|
1019 |
px->r = qRed (ctable[i]); |
|
1020 |
px->g = qGreen(ctable[i]); |
|
1021 |
px->b = qBlue (ctable[i]); |
|
1022 |
px->n = 0; |
|
1023 |
px->use = pop[i]; |
|
1024 |
if (pop[i] > maxpop) { // select most popular entry |
|
1025 |
maxpop = pop[i]; |
|
1026 |
maxpix = j; |
|
1027 |
} |
|
1028 |
px->index = i; |
|
1029 |
px->mindist = 1000000; |
|
1030 |
px++; |
|
1031 |
j++; |
|
1032 |
} |
|
1033 |
} |
|
1034 |
pixarr_sorted[0] = pixarr[maxpix]; |
|
1035 |
pixarr[maxpix].use = 0; |
|
1036 |
||
1037 |
for (int i = 1; i < ncols; i++) { // sort pixels |
|
1038 |
int minpix = -1, mindist = -1; |
|
1039 |
px = &pixarr_sorted[i-1]; |
|
1040 |
int r = px->r; |
|
1041 |
int g = px->g; |
|
1042 |
int b = px->b; |
|
1043 |
int dist; |
|
1044 |
if ((i & 1) || i<10) { // sort on max distance |
|
1045 |
for (int j=0; j<ncols; j++) { |
|
1046 |
px = &pixarr[j]; |
|
1047 |
if (px->use) { |
|
1048 |
dist = (px->r - r)*(px->r - r) + |
|
1049 |
(px->g - g)*(px->g - g) + |
|
1050 |
(px->b - b)*(px->b - b); |
|
1051 |
if (px->mindist > dist) |
|
1052 |
px->mindist = dist; |
|
1053 |
if (px->mindist > mindist) { |
|
1054 |
mindist = px->mindist; |
|
1055 |
minpix = j; |
|
1056 |
} |
|
1057 |
} |
|
1058 |
} |
|
1059 |
} else { // sort on max popularity |
|
1060 |
for (int j=0; j<ncols; j++) { |
|
1061 |
px = &pixarr[j]; |
|
1062 |
if (px->use) { |
|
1063 |
dist = (px->r - r)*(px->r - r) + |
|
1064 |
(px->g - g)*(px->g - g) + |
|
1065 |
(px->b - b)*(px->b - b); |
|
1066 |
if (px->mindist > dist) |
|
1067 |
px->mindist = dist; |
|
1068 |
if (px->use > mindist) { |
|
1069 |
mindist = px->use; |
|
1070 |
minpix = j; |
|
1071 |
} |
|
1072 |
} |
|
1073 |
} |
|
1074 |
} |
|
1075 |
pixarr_sorted[i] = pixarr[minpix]; |
|
1076 |
pixarr[minpix].use = 0; |
|
1077 |
} |
|
1078 |
||
1079 |
QColormap cmap = QColormap::instance(xinfo.screen()); |
|
1080 |
uint pix[256]; // pixel translation table |
|
1081 |
px = &pixarr_sorted[0]; |
|
1082 |
for (int i = 0; i < ncols; i++) { // allocate colors |
|
1083 |
QColor c(px->r, px->g, px->b); |
|
1084 |
pix[px->index] = cmap.pixel(c); |
|
1085 |
px++; |
|
1086 |
} |
|
1087 |
||
1088 |
p = newbits; |
|
1089 |
for (int i = 0; i < nbytes; i++) { // translate pixels |
|
1090 |
*p = pix[*p]; |
|
1091 |
p++; |
|
1092 |
} |
|
1093 |
} |
|
1094 |
||
1095 |
if (!xi) { // X image not created |
|
1096 |
xi = XCreateImage(dpy, visual, dd, ZPixmap, 0, 0, w, h, 32, 0); |
|
1097 |
if (xi->bits_per_pixel == 16) { // convert 8 bpp ==> 16 bpp |
|
1098 |
ushort *p2; |
|
1099 |
int p2inc = xi->bytes_per_line/sizeof(ushort); |
|
1100 |
ushort *newerbits = (ushort *)malloc(xi->bytes_per_line * h); |
|
1101 |
Q_CHECK_PTR(newerbits); |
|
1102 |
if (!newerbits) // no memory |
|
1103 |
return; |
|
1104 |
uchar* p = newbits; |
|
1105 |
for (int y = 0; y < h; y++) { // OOPS: Do right byte order!! |
|
1106 |
p2 = newerbits + p2inc*y; |
|
1107 |
for (int x = 0; x < w; x++) |
|
1108 |
*p2++ = *p++; |
|
1109 |
} |
|
1110 |
free(newbits); |
|
1111 |
newbits = (uchar *)newerbits; |
|
1112 |
} else if (xi->bits_per_pixel != 8) { |
|
1113 |
qWarning("QPixmap::fromImage: Display not supported " |
|
1114 |
"(bpp=%d)", xi->bits_per_pixel); |
|
1115 |
} |
|
1116 |
xi->data = (char *)newbits; |
|
1117 |
} |
|
1118 |
||
1119 |
hd = (Qt::HANDLE)XCreatePixmap(X11->display, |
|
1120 |
RootWindow(X11->display, xinfo.screen()), |
|
1121 |
w, h, dd); |
|
1122 |
||
1123 |
GC gc = XCreateGC(dpy, hd, 0, 0); |
|
1124 |
XPutImage(dpy, hd, gc, xi, 0, 0, 0, 0, w, h); |
|
1125 |
XFreeGC(dpy, gc); |
|
1126 |
||
1127 |
qSafeXDestroyImage(xi); |
|
1128 |
d = dd; |
|
1129 |
||
1130 |
#ifndef QT_NO_XRENDER |
|
1131 |
if (X11->use_xrender) { |
|
1132 |
XRenderPictFormat *format = d == 1 |
|
1133 |
? XRenderFindStandardFormat(X11->display, PictStandardA1) |
|
1134 |
: XRenderFindVisualFormat(X11->display, (Visual *)xinfo.visual()); |
|
1135 |
picture = XRenderCreatePicture(X11->display, hd, format, 0, 0); |
|
1136 |
} |
|
1137 |
#endif |
|
1138 |
||
1139 |
if (alphaCheck.hasAlpha()) { |
|
1140 |
QBitmap m = QBitmap::fromImage(image.createAlphaMask(flags)); |
|
1141 |
setMask(m); |
|
1142 |
} |
|
1143 |
} |
|
1144 |
||
1145 |
void QX11PixmapData::bitmapFromImage(const QImage &image) |
|
1146 |
{ |
|
1147 |
QImage img = image.convertToFormat(QImage::Format_MonoLSB); |
|
1148 |
const QRgb c0 = QColor(Qt::black).rgb(); |
|
1149 |
const QRgb c1 = QColor(Qt::white).rgb(); |
|
1150 |
if (img.color(0) == c0 && img.color(1) == c1) { |
|
1151 |
img.invertPixels(); |
|
1152 |
img.setColor(0, c1); |
|
1153 |
img.setColor(1, c0); |
|
1154 |
} |
|
1155 |
||
1156 |
char *bits; |
|
1157 |
uchar *tmp_bits; |
|
1158 |
w = img.width(); |
|
1159 |
h = img.height(); |
|
1160 |
d = 1; |
|
1161 |
is_null = (w <= 0 || h <= 0); |
|
1162 |
int bpl = (w + 7) / 8; |
|
1163 |
int ibpl = img.bytesPerLine(); |
|
1164 |
if (bpl != ibpl) { |
|
1165 |
tmp_bits = new uchar[bpl*h]; |
|
1166 |
bits = (char *)tmp_bits; |
|
1167 |
uchar *p, *b; |
|
1168 |
int y; |
|
1169 |
b = tmp_bits; |
|
1170 |
p = img.scanLine(0); |
|
1171 |
for (y = 0; y < h; y++) { |
|
1172 |
memcpy(b, p, bpl); |
|
1173 |
b += bpl; |
|
1174 |
p += ibpl; |
|
1175 |
} |
|
1176 |
} else { |
|
1177 |
bits = (char *)img.bits(); |
|
1178 |
tmp_bits = 0; |
|
1179 |
} |
|
1180 |
hd = (Qt::HANDLE)XCreateBitmapFromData(xinfo.display(), |
|
1181 |
RootWindow(xinfo.display(), xinfo.screen()), |
|
1182 |
bits, w, h); |
|
1183 |
||
1184 |
#ifndef QT_NO_XRENDER |
|
1185 |
if (X11->use_xrender) |
|
1186 |
picture = XRenderCreatePicture(X11->display, hd, |
|
1187 |
XRenderFindStandardFormat(X11->display, PictStandardA1), 0, 0); |
|
1188 |
#endif // QT_NO_XRENDER |
|
1189 |
||
1190 |
if (tmp_bits) // Avoid purify complaint |
|
1191 |
delete [] tmp_bits; |
|
1192 |
} |
|
1193 |
||
1194 |
void QX11PixmapData::fill(const QColor &fillColor) |
|
1195 |
{ |
|
1196 |
if (fillColor.alpha() != 255) { |
|
1197 |
#ifndef QT_NO_XRENDER |
|
1198 |
if (X11->use_xrender) { |
|
1199 |
if (!picture || d != 32) |
|
1200 |
convertToARGB32(/*preserveContents = */false); |
|
1201 |
||
1202 |
::Picture src = X11->getSolidFill(xinfo.screen(), fillColor); |
|
1203 |
XRenderComposite(X11->display, PictOpSrc, src, 0, picture, |
|
1204 |
0, 0, width(), height(), |
|
1205 |
0, 0, width(), height()); |
|
1206 |
} else |
|
1207 |
#endif |
|
1208 |
{ |
|
1209 |
QImage im(width(), height(), QImage::Format_ARGB32_Premultiplied); |
|
1210 |
im.fill(PREMUL(fillColor.rgba())); |
|
1211 |
release(); |
|
1212 |
fromImage(im, Qt::AutoColor | Qt::OrderedAlphaDither); |
|
1213 |
} |
|
1214 |
return; |
|
1215 |
} |
|
1216 |
||
1217 |
GC gc = XCreateGC(X11->display, hd, 0, 0); |
|
1218 |
if (depth() == 1) { |
|
1219 |
XSetForeground(X11->display, gc, qGray(fillColor.rgb()) > 127 ? 0 : 1); |
|
1220 |
} else if (X11->use_xrender && d >= 24) { |
|
1221 |
XSetForeground(X11->display, gc, fillColor.rgba()); |
|
1222 |
} else { |
|
1223 |
XSetForeground(X11->display, gc, |
|
1224 |
QColormap::instance(xinfo.screen()).pixel(fillColor)); |
|
1225 |
} |
|
1226 |
XFillRectangle(X11->display, hd, gc, 0, 0, width(), height()); |
|
1227 |
XFreeGC(X11->display, gc); |
|
1228 |
} |
|
1229 |
||
1230 |
QX11PixmapData::~QX11PixmapData() |
|
1231 |
{ |
|
18
2f34d5167611
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
3
diff
changeset
|
1232 |
// Cleanup hooks have to be called before the handles are freed |
2f34d5167611
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
3
diff
changeset
|
1233 |
if (is_cached) { |
2f34d5167611
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
3
diff
changeset
|
1234 |
QImagePixmapCleanupHooks::executePixmapDataDestructionHooks(this); |
2f34d5167611
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
3
diff
changeset
|
1235 |
is_cached = false; |
2f34d5167611
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
3
diff
changeset
|
1236 |
} |
2f34d5167611
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
3
diff
changeset
|
1237 |
|
0 | 1238 |
release(); |
1239 |
} |
|
1240 |
||
1241 |
void QX11PixmapData::release() |
|
1242 |
{ |
|
1243 |
delete pengine; |
|
1244 |
pengine = 0; |
|
1245 |
||
18
2f34d5167611
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
3
diff
changeset
|
1246 |
if (!X11) { |
2f34d5167611
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
3
diff
changeset
|
1247 |
#ifndef QT_NO_DEBUG |
2f34d5167611
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
3
diff
changeset
|
1248 |
qWarning("~QX11PixmapData(): QPixmap objects must be destroyed before the QApplication" |
2f34d5167611
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
3
diff
changeset
|
1249 |
" object, otherwise the native pixmap object will be leaked."); |
2f34d5167611
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
3
diff
changeset
|
1250 |
#endif |
0 | 1251 |
return; |
18
2f34d5167611
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
3
diff
changeset
|
1252 |
} |
0 | 1253 |
|
1254 |
if (x11_mask) { |
|
1255 |
#ifndef QT_NO_XRENDER |
|
1256 |
if (mask_picture) |
|
1257 |
XRenderFreePicture(X11->display, mask_picture); |
|
1258 |
mask_picture = 0; |
|
1259 |
#endif |
|
1260 |
XFreePixmap(X11->display, x11_mask); |
|
1261 |
x11_mask = 0; |
|
1262 |
} |
|
1263 |
||
1264 |
if (hd) { |
|
1265 |
#ifndef QT_NO_XRENDER |
|
1266 |
if (picture) { |
|
1267 |
XRenderFreePicture(X11->display, picture); |
|
1268 |
picture = 0; |
|
1269 |
} |
|
1270 |
#endif // QT_NO_XRENDER |
|
1271 |
||
1272 |
if (hd2) { |
|
1273 |
XFreePixmap(xinfo.display(), hd2); |
|
1274 |
hd2 = 0; |
|
1275 |
} |
|
1276 |
if (!(flags & Readonly)) |
|
1277 |
XFreePixmap(xinfo.display(), hd); |
|
1278 |
hd = 0; |
|
1279 |
} |
|
1280 |
} |
|
1281 |
||
1282 |
QPixmap QX11PixmapData::alphaChannel() const |
|
1283 |
{ |
|
1284 |
if (!hasAlphaChannel()) { |
|
1285 |
QPixmap pm(w, h); |
|
1286 |
pm.fill(Qt::white); |
|
1287 |
return pm; |
|
1288 |
} |
|
1289 |
QImage im(toImage()); |
|
1290 |
return QPixmap::fromImage(im.alphaChannel(), Qt::OrderedDither); |
|
1291 |
} |
|
1292 |
||
1293 |
void QX11PixmapData::setAlphaChannel(const QPixmap &alpha) |
|
1294 |
{ |
|
1295 |
QImage image(toImage()); |
|
1296 |
image.setAlphaChannel(alpha.toImage()); |
|
1297 |
release(); |
|
1298 |
fromImage(image, Qt::OrderedDither | Qt::OrderedAlphaDither); |
|
1299 |
} |
|
1300 |
||
1301 |
||
1302 |
QBitmap QX11PixmapData::mask() const |
|
1303 |
{ |
|
1304 |
QBitmap mask; |
|
1305 |
#ifndef QT_NO_XRENDER |
|
1306 |
if (picture && d == 32) { |
|
1307 |
// #### slow - there must be a better way.. |
|
1308 |
mask = QBitmap::fromImage(toImage().createAlphaMask()); |
|
1309 |
} else |
|
1310 |
#endif |
|
1311 |
if (d == 1) { |
|
1312 |
QX11PixmapData *that = const_cast<QX11PixmapData*>(this); |
|
1313 |
mask = QPixmap(that); |
|
1314 |
} else { |
|
1315 |
mask = mask_to_bitmap(xinfo.screen()); |
|
1316 |
} |
|
1317 |
return mask; |
|
1318 |
} |
|
1319 |
||
1320 |
||
1321 |
/*! |
|
1322 |
Sets a mask bitmap. |
|
1323 |
||
1324 |
The \a newmask bitmap defines the clip mask for this pixmap. Every |
|
1325 |
pixel in \a newmask corresponds to a pixel in this pixmap. Pixel |
|
1326 |
value 1 means opaque and pixel value 0 means transparent. The mask |
|
1327 |
must have the same size as this pixmap. |
|
1328 |
||
1329 |
\warning Setting the mask on a pixmap will cause any alpha channel |
|
1330 |
data to be cleared. For example: |
|
1331 |
\snippet doc/src/snippets/image/image.cpp 2 |
|
1332 |
Now, alpha and alphacopy are visually different. |
|
1333 |
||
1334 |
Setting a null mask resets the mask. |
|
1335 |
||
1336 |
The effect of this function is undefined when the pixmap is being |
|
1337 |
painted on. |
|
1338 |
||
1339 |
\sa mask(), {QPixmap#Pixmap Transformations}{Pixmap |
|
1340 |
Transformations}, QBitmap |
|
1341 |
*/ |
|
1342 |
void QX11PixmapData::setMask(const QBitmap &newmask) |
|
1343 |
{ |
|
1344 |
if (newmask.isNull()) { // clear mask |
|
1345 |
#ifndef QT_NO_XRENDER |
|
1346 |
if (picture && d == 32) { |
|
1347 |
QX11PixmapData newData(pixelType()); |
|
1348 |
newData.resize(w, h); |
|
1349 |
newData.fill(Qt::black); |
|
1350 |
XRenderComposite(X11->display, PictOpOver, |
|
1351 |
picture, 0, newData.picture, |
|
1352 |
0, 0, 0, 0, 0, 0, w, h); |
|
1353 |
release(); |
|
1354 |
*this = newData; |
|
1355 |
// the new QX11PixmapData object isn't referenced yet, so |
|
1356 |
// ref it |
|
1357 |
ref.ref(); |
|
1358 |
||
1359 |
// the below is to make sure the QX11PixmapData destructor |
|
1360 |
// doesn't delete our newly created render picture |
|
1361 |
newData.hd = 0; |
|
1362 |
newData.x11_mask = 0; |
|
1363 |
newData.picture = 0; |
|
1364 |
newData.mask_picture = 0; |
|
1365 |
newData.hd2 = 0; |
|
1366 |
} else |
|
1367 |
#endif |
|
1368 |
if (x11_mask) { |
|
1369 |
#ifndef QT_NO_XRENDER |
|
1370 |
if (picture) { |
|
1371 |
XRenderPictureAttributes attrs; |
|
1372 |
attrs.alpha_map = 0; |
|
1373 |
XRenderChangePicture(X11->display, picture, CPAlphaMap, |
|
1374 |
&attrs); |
|
1375 |
} |
|
1376 |
if (mask_picture) |
|
1377 |
XRenderFreePicture(X11->display, mask_picture); |
|
1378 |
mask_picture = 0; |
|
1379 |
#endif |
|
1380 |
XFreePixmap(X11->display, x11_mask); |
|
1381 |
x11_mask = 0; |
|
1382 |
} |
|
1383 |
return; |
|
1384 |
} |
|
1385 |
||
1386 |
#ifndef QT_NO_XRENDER |
|
1387 |
if (picture && d == 32) { |
|
1388 |
XRenderComposite(X11->display, PictOpSrc, |
|
1389 |
picture, newmask.x11PictureHandle(), |
|
1390 |
picture, 0, 0, 0, 0, 0, 0, w, h); |
|
1391 |
} else |
|
1392 |
#endif |
|
1393 |
if (depth() == 1) { |
|
1394 |
XGCValues vals; |
|
1395 |
vals.function = GXand; |
|
1396 |
GC gc = XCreateGC(X11->display, hd, GCFunction, &vals); |
|
1397 |
XCopyArea(X11->display, newmask.handle(), hd, gc, 0, 0, |
|
1398 |
width(), height(), 0, 0); |
|
1399 |
XFreeGC(X11->display, gc); |
|
1400 |
} else { |
|
1401 |
// ##### should or the masks together |
|
1402 |
if (x11_mask) { |
|
1403 |
XFreePixmap(X11->display, x11_mask); |
|
1404 |
#ifndef QT_NO_XRENDER |
|
1405 |
if (mask_picture) |
|
1406 |
XRenderFreePicture(X11->display, mask_picture); |
|
1407 |
#endif |
|
1408 |
} |
|
1409 |
x11_mask = QX11PixmapData::bitmap_to_mask(newmask, xinfo.screen()); |
|
1410 |
#ifndef QT_NO_XRENDER |
|
1411 |
if (picture) { |
|
1412 |
mask_picture = XRenderCreatePicture(X11->display, x11_mask, |
|
1413 |
XRenderFindStandardFormat(X11->display, PictStandardA1), 0, 0); |
|
1414 |
XRenderPictureAttributes attrs; |
|
1415 |
attrs.alpha_map = mask_picture; |
|
1416 |
XRenderChangePicture(X11->display, picture, CPAlphaMap, &attrs); |
|
1417 |
} |
|
1418 |
#endif |
|
1419 |
} |
|
1420 |
} |
|
1421 |
||
1422 |
int QX11PixmapData::metric(QPaintDevice::PaintDeviceMetric metric) const |
|
1423 |
{ |
|
1424 |
switch (metric) { |
|
1425 |
case QPaintDevice::PdmWidth: |
|
1426 |
return w; |
|
1427 |
case QPaintDevice::PdmHeight: |
|
1428 |
return h; |
|
1429 |
case QPaintDevice::PdmNumColors: |
|
1430 |
return 1 << d; |
|
1431 |
case QPaintDevice::PdmDepth: |
|
1432 |
return d; |
|
1433 |
case QPaintDevice::PdmWidthMM: { |
|
1434 |
const int screen = xinfo.screen(); |
|
1435 |
const int mm = DisplayWidthMM(X11->display, screen) * w |
|
1436 |
/ DisplayWidth(X11->display, screen); |
|
1437 |
return mm; |
|
1438 |
} |
|
1439 |
case QPaintDevice::PdmHeightMM: { |
|
1440 |
const int screen = xinfo.screen(); |
|
1441 |
const int mm = (DisplayHeightMM(X11->display, screen) * h) |
|
1442 |
/ DisplayHeight(X11->display, screen); |
|
1443 |
return mm; |
|
1444 |
} |
|
1445 |
case QPaintDevice::PdmDpiX: |
|
1446 |
case QPaintDevice::PdmPhysicalDpiX: |
|
1447 |
return QX11Info::appDpiX(xinfo.screen()); |
|
1448 |
case QPaintDevice::PdmDpiY: |
|
1449 |
case QPaintDevice::PdmPhysicalDpiY: |
|
1450 |
return QX11Info::appDpiY(xinfo.screen()); |
|
1451 |
default: |
|
1452 |
qWarning("QX11PixmapData::metric(): Invalid metric"); |
|
1453 |
return 0; |
|
1454 |
} |
|
1455 |
} |
|
1456 |
||
1457 |
/*! |
|
1458 |
Converts the pixmap to a QImage. Returns a null image if the |
|
1459 |
conversion fails. |
|
1460 |
||
1461 |
If the pixmap has 1-bit depth, the returned image will also be 1 |
|
1462 |
bit deep. If the pixmap has 2- to 8-bit depth, the returned image |
|
1463 |
has 8-bit depth. If the pixmap has greater than 8-bit depth, the |
|
1464 |
returned image has 32-bit depth. |
|
1465 |
||
1466 |
Note that for the moment, alpha masks on monochrome images are |
|
1467 |
ignored. |
|
1468 |
||
1469 |
\sa fromImage(), {QImage#Image Formats}{Image Formats} |
|
1470 |
*/ |
|
1471 |
||
1472 |
QImage QX11PixmapData::toImage() const |
|
1473 |
{ |
|
1474 |
int d = depth(); |
|
1475 |
Visual *visual = (Visual *)xinfo.visual(); |
|
1476 |
bool trucol = (visual->c_class >= TrueColor) && d > 1; |
|
1477 |
||
1478 |
QImage::Format format = QImage::Format_Mono; |
|
1479 |
if (d > 1 && d <= 8) { |
|
1480 |
d = 8; |
|
1481 |
format = QImage::Format_Indexed8; |
|
1482 |
} |
|
1483 |
// we could run into the situation where d == 8 AND trucol is true, which can |
|
1484 |
// cause problems when converting to and from images. in this case, always treat |
|
1485 |
// the depth as 32... |
|
1486 |
if (d > 8 || trucol) { |
|
1487 |
d = 32; |
|
1488 |
format = QImage::Format_RGB32; |
|
1489 |
} |
|
1490 |
||
1491 |
XImage *xi = XGetImage(X11->display, hd, 0, 0, w, h, AllPlanes, |
|
1492 |
(d == 1) ? XYPixmap : ZPixmap); |
|
1493 |
||
1494 |
Q_CHECK_PTR(xi); |
|
1495 |
if (!xi) |
|
1496 |
return QImage(); |
|
1497 |
||
1498 |
if (picture && depth() == 32) { |
|
1499 |
QImage image(w, h, QImage::Format_ARGB32_Premultiplied); |
|
1500 |
memcpy(image.bits(), xi->data, xi->bytes_per_line * xi->height); |
|
1501 |
||
1502 |
// we may have to swap the byte order |
|
1503 |
if ((QSysInfo::ByteOrder == QSysInfo::LittleEndian && xi->byte_order == MSBFirst) |
|
1504 |
|| (QSysInfo::ByteOrder == QSysInfo::BigEndian && xi->byte_order == LSBFirst)) |
|
1505 |
{ |
|
1506 |
for (int i=0; i < image.height(); i++) { |
|
1507 |
uint *p = (uint*)image.scanLine(i); |
|
1508 |
uint *end = p + image.width(); |
|
1509 |
if ((xi->byte_order == LSBFirst && QSysInfo::ByteOrder == QSysInfo::BigEndian) |
|
1510 |
|| (xi->byte_order == MSBFirst && QSysInfo::ByteOrder == QSysInfo::LittleEndian)) { |
|
1511 |
while (p < end) { |
|
1512 |
*p = ((*p << 24) & 0xff000000) | ((*p << 8) & 0x00ff0000) |
|
1513 |
| ((*p >> 8) & 0x0000ff00) | ((*p >> 24) & 0x000000ff); |
|
1514 |
p++; |
|
1515 |
} |
|
1516 |
} else if (xi->byte_order == MSBFirst && QSysInfo::ByteOrder == QSysInfo::BigEndian) { |
|
1517 |
while (p < end) { |
|
1518 |
*p = ((*p << 16) & 0x00ff0000) | ((*p >> 16) & 0x000000ff) |
|
1519 |
| ((*p ) & 0xff00ff00); |
|
1520 |
p++; |
|
1521 |
} |
|
1522 |
} |
|
1523 |
} |
|
1524 |
} |
|
1525 |
||
1526 |
// throw away image data |
|
1527 |
qSafeXDestroyImage(xi); |
|
1528 |
||
1529 |
return image; |
|
1530 |
} |
|
1531 |
||
1532 |
if (d == 1 && xi->bitmap_bit_order == LSBFirst) |
|
1533 |
format = QImage::Format_MonoLSB; |
|
1534 |
if (x11_mask && format == QImage::Format_RGB32) |
|
1535 |
format = QImage::Format_ARGB32; |
|
1536 |
||
1537 |
QImage image(w, h, format); |
|
1538 |
if (image.isNull()) // could not create image |
|
1539 |
return image; |
|
1540 |
||
1541 |
QImage alpha; |
|
1542 |
if (x11_mask) { |
|
1543 |
alpha = mask().toImage(); |
|
1544 |
} |
|
1545 |
bool ale = alpha.format() == QImage::Format_MonoLSB; |
|
1546 |
||
1547 |
if (trucol) { // truecolor |
|
1548 |
const uint red_mask = (uint)visual->red_mask; |
|
1549 |
const uint green_mask = (uint)visual->green_mask; |
|
1550 |
const uint blue_mask = (uint)visual->blue_mask; |
|
1551 |
const int red_shift = highest_bit(red_mask) - 7; |
|
1552 |
const int green_shift = highest_bit(green_mask) - 7; |
|
1553 |
const int blue_shift = highest_bit(blue_mask) - 7; |
|
1554 |
||
1555 |
const uint red_bits = n_bits(red_mask); |
|
1556 |
const uint green_bits = n_bits(green_mask); |
|
1557 |
const uint blue_bits = n_bits(blue_mask); |
|
1558 |
||
1559 |
static uint red_table_bits = 0; |
|
1560 |
static uint green_table_bits = 0; |
|
1561 |
static uint blue_table_bits = 0; |
|
1562 |
||
1563 |
if (red_bits < 8 && red_table_bits != red_bits) { |
|
1564 |
build_scale_table(&red_scale_table, red_bits); |
|
1565 |
red_table_bits = red_bits; |
|
1566 |
} |
|
1567 |
if (blue_bits < 8 && blue_table_bits != blue_bits) { |
|
1568 |
build_scale_table(&blue_scale_table, blue_bits); |
|
1569 |
blue_table_bits = blue_bits; |
|
1570 |
} |
|
1571 |
if (green_bits < 8 && green_table_bits != green_bits) { |
|
1572 |
build_scale_table(&green_scale_table, green_bits); |
|
1573 |
green_table_bits = green_bits; |
|
1574 |
} |
|
1575 |
||
1576 |
int r, g, b; |
|
1577 |
||
1578 |
QRgb *dst; |
|
1579 |
uchar *src; |
|
1580 |
uint pixel; |
|
1581 |
int bppc = xi->bits_per_pixel; |
|
1582 |
||
1583 |
if (bppc > 8 && xi->byte_order == LSBFirst) |
|
1584 |
bppc++; |
|
1585 |
||
1586 |
for (int y = 0; y < h; ++y) { |
|
1587 |
uchar* asrc = x11_mask ? alpha.scanLine(y) : 0; |
|
1588 |
dst = (QRgb *)image.scanLine(y); |
|
1589 |
src = (uchar *)xi->data + xi->bytes_per_line*y; |
|
1590 |
for (int x = 0; x < w; x++) { |
|
1591 |
switch (bppc) { |
|
1592 |
case 8: |
|
1593 |
pixel = *src++; |
|
1594 |
break; |
|
1595 |
case 16: // 16 bit MSB |
|
1596 |
pixel = src[1] | (uint)src[0] << 8; |
|
1597 |
src += 2; |
|
1598 |
break; |
|
1599 |
case 17: // 16 bit LSB |
|
1600 |
pixel = src[0] | (uint)src[1] << 8; |
|
1601 |
src += 2; |
|
1602 |
break; |
|
1603 |
case 24: // 24 bit MSB |
|
1604 |
pixel = src[2] | (uint)src[1] << 8 | (uint)src[0] << 16; |
|
1605 |
src += 3; |
|
1606 |
break; |
|
1607 |
case 25: // 24 bit LSB |
|
1608 |
pixel = src[0] | (uint)src[1] << 8 | (uint)src[2] << 16; |
|
1609 |
src += 3; |
|
1610 |
break; |
|
1611 |
case 32: // 32 bit MSB |
|
1612 |
pixel = src[3] | (uint)src[2] << 8 | (uint)src[1] << 16 | (uint)src[0] << 24; |
|
1613 |
src += 4; |
|
1614 |
break; |
|
1615 |
case 33: // 32 bit LSB |
|
1616 |
pixel = src[0] | (uint)src[1] << 8 | (uint)src[2] << 16 | (uint)src[3] << 24; |
|
1617 |
src += 4; |
|
1618 |
break; |
|
1619 |
default: // should not really happen |
|
1620 |
x = w; // leave loop |
|
1621 |
y = h; |
|
1622 |
pixel = 0; // eliminate compiler warning |
|
1623 |
qWarning("QPixmap::convertToImage: Invalid depth %d", bppc); |
|
1624 |
} |
|
1625 |
if (red_shift > 0) |
|
1626 |
r = (pixel & red_mask) >> red_shift; |
|
1627 |
else |
|
1628 |
r = (pixel & red_mask) << -red_shift; |
|
1629 |
if (green_shift > 0) |
|
1630 |
g = (pixel & green_mask) >> green_shift; |
|
1631 |
else |
|
1632 |
g = (pixel & green_mask) << -green_shift; |
|
1633 |
if (blue_shift > 0) |
|
1634 |
b = (pixel & blue_mask) >> blue_shift; |
|
1635 |
else |
|
1636 |
b = (pixel & blue_mask) << -blue_shift; |
|
1637 |
||
1638 |
if (red_bits < 8) |
|
1639 |
r = red_scale_table[r]; |
|
1640 |
if (green_bits < 8) |
|
1641 |
g = green_scale_table[g]; |
|
1642 |
if (blue_bits < 8) |
|
1643 |
b = blue_scale_table[b]; |
|
1644 |
||
1645 |
if (x11_mask) { |
|
1646 |
if (ale) { |
|
1647 |
*dst++ = (asrc[x >> 3] & (1 << (x & 7))) ? qRgba(r, g, b, 0xff) : 0; |
|
1648 |
} else { |
|
1649 |
*dst++ = (asrc[x >> 3] & (0x80 >> (x & 7))) ? qRgba(r, g, b, 0xff) : 0; |
|
1650 |
} |
|
1651 |
} else { |
|
1652 |
*dst++ = qRgb(r, g, b); |
|
1653 |
} |
|
1654 |
} |
|
1655 |
} |
|
1656 |
} else if (xi->bits_per_pixel == d) { // compatible depth |
|
1657 |
char *xidata = xi->data; // copy each scanline |
|
1658 |
int bpl = qMin(image.bytesPerLine(),xi->bytes_per_line); |
|
1659 |
for (int y=0; y<h; y++) { |
|
1660 |
memcpy(image.scanLine(y), xidata, bpl); |
|
1661 |
xidata += xi->bytes_per_line; |
|
1662 |
} |
|
1663 |
} else { |
|
1664 |
/* Typically 2 or 4 bits display depth */ |
|
1665 |
qWarning("QPixmap::convertToImage: Display not supported (bpp=%d)", |
|
1666 |
xi->bits_per_pixel); |
|
1667 |
return QImage(); |
|
1668 |
} |
|
1669 |
||
1670 |
if (d == 1) { // bitmap |
|
3
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1671 |
image.setColorCount(2); |
0 | 1672 |
image.setColor(0, qRgb(255,255,255)); |
1673 |
image.setColor(1, qRgb(0,0,0)); |
|
1674 |
} else if (!trucol) { // pixmap with colormap |
|
1675 |
register uchar *p; |
|
1676 |
uchar *end; |
|
1677 |
uchar use[256]; // pixel-in-use table |
|
1678 |
uchar pix[256]; // pixel translation table |
|
1679 |
int ncols, bpl; |
|
1680 |
memset(use, 0, 256); |
|
1681 |
memset(pix, 0, 256); |
|
1682 |
bpl = image.bytesPerLine(); |
|
1683 |
||
1684 |
if (x11_mask) { // which pixels are used? |
|
1685 |
for (int i = 0; i < h; i++) { |
|
1686 |
uchar* asrc = alpha.scanLine(i); |
|
1687 |
p = image.scanLine(i); |
|
1688 |
if (ale) { |
|
1689 |
for (int x = 0; x < w; x++) { |
|
1690 |
if (asrc[x >> 3] & (1 << (x & 7))) |
|
1691 |
use[*p] = 1; |
|
1692 |
++p; |
|
1693 |
} |
|
1694 |
} else { |
|
1695 |
for (int x = 0; x < w; x++) { |
|
1696 |
if (asrc[x >> 3] & (0x80 >> (x & 7))) |
|
1697 |
use[*p] = 1; |
|
1698 |
++p; |
|
1699 |
} |
|
1700 |
} |
|
1701 |
} |
|
1702 |
} else { |
|
1703 |
for (int i = 0; i < h; i++) { |
|
1704 |
p = image.scanLine(i); |
|
1705 |
end = p + bpl; |
|
1706 |
while (p < end) |
|
1707 |
use[*p++] = 1; |
|
1708 |
} |
|
1709 |
} |
|
1710 |
ncols = 0; |
|
1711 |
for (int i = 0; i < 256; i++) { // build translation table |
|
1712 |
if (use[i]) |
|
1713 |
pix[i] = ncols++; |
|
1714 |
} |
|
1715 |
for (int i = 0; i < h; i++) { // translate pixels |
|
1716 |
p = image.scanLine(i); |
|
1717 |
end = p + bpl; |
|
1718 |
while (p < end) { |
|
1719 |
*p = pix[*p]; |
|
1720 |
p++; |
|
1721 |
} |
|
1722 |
} |
|
1723 |
if (x11_mask) { |
|
1724 |
int trans; |
|
1725 |
if (ncols < 256) { |
|
1726 |
trans = ncols++; |
|
3
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1727 |
image.setColorCount(ncols); // create color table |
0 | 1728 |
image.setColor(trans, 0x00000000); |
1729 |
} else { |
|
3
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1730 |
image.setColorCount(ncols); // create color table |
0 | 1731 |
// oh dear... no spare "transparent" pixel. |
1732 |
// use first pixel in image (as good as any). |
|
1733 |
trans = image.scanLine(0)[0]; |
|
1734 |
} |
|
1735 |
for (int i = 0; i < h; i++) { |
|
1736 |
uchar* asrc = alpha.scanLine(i); |
|
1737 |
p = image.scanLine(i); |
|
1738 |
if (ale) { |
|
1739 |
for (int x = 0; x < w; x++) { |
|
1740 |
if (!(asrc[x >> 3] & (1 << (x & 7)))) |
|
1741 |
*p = trans; |
|
1742 |
++p; |
|
1743 |
} |
|
1744 |
} else { |
|
1745 |
for (int x = 0; x < w; x++) { |
|
1746 |
if (!(asrc[x >> 3] & (1 << (7 -(x & 7))))) |
|
1747 |
*p = trans; |
|
1748 |
++p; |
|
1749 |
} |
|
1750 |
} |
|
1751 |
} |
|
1752 |
} else { |
|
3
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1753 |
image.setColorCount(ncols); // create color table |
0 | 1754 |
} |
1755 |
QVector<QColor> colors = QColormap::instance(xinfo.screen()).colormap(); |
|
1756 |
int j = 0; |
|
1757 |
for (int i=0; i<colors.size(); i++) { // translate pixels |
|
1758 |
if (use[i]) |
|
1759 |
image.setColor(j++, 0xff000000 | colors.at(i).rgb()); |
|
1760 |
} |
|
1761 |
} |
|
1762 |
||
1763 |
qSafeXDestroyImage(xi); |
|
1764 |
||
1765 |
return image; |
|
1766 |
} |
|
1767 |
||
1768 |
/*! |
|
1769 |
Returns a copy of the pixmap that is transformed using the given |
|
1770 |
transformation \a matrix and transformation \a mode. The original |
|
1771 |
pixmap is not changed. |
|
1772 |
||
1773 |
The transformation \a matrix is internally adjusted to compensate |
|
1774 |
for unwanted translation; i.e. the pixmap produced is the smallest |
|
1775 |
pixmap that contains all the transformed points of the original |
|
1776 |
pixmap. Use the trueMatrix() function to retrieve the actual |
|
1777 |
matrix used for transforming the pixmap. |
|
1778 |
||
1779 |
This function is slow because it involves transformation to a |
|
1780 |
QImage, non-trivial computations and a transformation back to a |
|
1781 |
QPixmap. |
|
1782 |
||
1783 |
\sa trueMatrix(), {QPixmap#Pixmap Transformations}{Pixmap |
|
1784 |
Transformations} |
|
1785 |
*/ |
|
1786 |
QPixmap QX11PixmapData::transformed(const QTransform &transform, |
|
1787 |
Qt::TransformationMode mode ) const |
|
1788 |
{ |
|
1789 |
if (mode == Qt::SmoothTransformation || transform.type() >= QTransform::TxProject) { |
|
1790 |
QImage image = toImage(); |
|
1791 |
return QPixmap::fromImage(image.transformed(transform, mode)); |
|
1792 |
} |
|
1793 |
||
1794 |
uint w = 0; |
|
1795 |
uint h = 0; // size of target pixmap |
|
1796 |
uint ws, hs; // size of source pixmap |
|
1797 |
uchar *dptr; // data in target pixmap |
|
1798 |
uint dbpl, dbytes; // bytes per line/bytes total |
|
1799 |
uchar *sptr; // data in original pixmap |
|
1800 |
int sbpl; // bytes per line in original |
|
1801 |
int bpp; // bits per pixel |
|
1802 |
bool depth1 = depth() == 1; |
|
1803 |
Display *dpy = X11->display; |
|
1804 |
||
1805 |
ws = width(); |
|
1806 |
hs = height(); |
|
1807 |
||
1808 |
QTransform mat(transform.m11(), transform.m12(), transform.m13(), |
|
1809 |
transform.m21(), transform.m22(), transform.m23(), |
|
1810 |
0., 0., 1); |
|
1811 |
bool complex_xform = false; |
|
1812 |
qreal scaledWidth; |
|
1813 |
qreal scaledHeight; |
|
1814 |
||
1815 |
if (mat.type() <= QTransform::TxScale) { |
|
1816 |
scaledHeight = qAbs(mat.m22()) * hs + 0.9999; |
|
1817 |
scaledWidth = qAbs(mat.m11()) * ws + 0.9999; |
|
1818 |
h = qAbs(int(scaledHeight)); |
|
1819 |
w = qAbs(int(scaledWidth)); |
|
1820 |
} else { // rotation or shearing |
|
1821 |
QPolygonF a(QRectF(0, 0, ws, hs)); |
|
1822 |
a = mat.map(a); |
|
1823 |
QRect r = a.boundingRect().toAlignedRect(); |
|
1824 |
w = r.width(); |
|
1825 |
h = r.height(); |
|
1826 |
scaledWidth = w; |
|
1827 |
scaledHeight = h; |
|
1828 |
complex_xform = true; |
|
1829 |
} |
|
1830 |
mat = QPixmap::trueMatrix(mat, ws, hs); // true matrix |
|
1831 |
||
1832 |
bool invertible; |
|
1833 |
mat = mat.inverted(&invertible); // invert matrix |
|
1834 |
||
1835 |
if (h == 0 || w == 0 || !invertible |
|
1836 |
|| qAbs(scaledWidth) >= 32768 || qAbs(scaledHeight) >= 32768 ) |
|
1837 |
// error, return null pixmap |
|
1838 |
return QPixmap(); |
|
1839 |
||
1840 |
#if defined(QT_MITSHM) |
|
1841 |
static bool try_once = true; |
|
1842 |
if (try_once) { |
|
1843 |
try_once = false; |
|
1844 |
if (!xshminit) |
|
1845 |
qt_create_mitshm_buffer(this, 800, 600); |
|
1846 |
} |
|
1847 |
||
1848 |
bool use_mitshm = xshmimg && !depth1 && |
|
1849 |
xshmimg->width >= w && xshmimg->height >= h; |
|
1850 |
#endif |
|
1851 |
XImage *xi = XGetImage(X11->display, handle(), 0, 0, ws, hs, AllPlanes, |
|
1852 |
depth1 ? XYPixmap : ZPixmap); |
|
1853 |
||
1854 |
if (!xi) |
|
1855 |
return QPixmap(); |
|
1856 |
||
1857 |
sbpl = xi->bytes_per_line; |
|
1858 |
sptr = (uchar *)xi->data; |
|
1859 |
bpp = xi->bits_per_pixel; |
|
1860 |
||
1861 |
if (depth1) |
|
1862 |
dbpl = (w+7)/8; |
|
1863 |
else |
|
1864 |
dbpl = ((w*bpp+31)/32)*4; |
|
1865 |
dbytes = dbpl*h; |
|
1866 |
||
1867 |
#if defined(QT_MITSHM) |
|
1868 |
if (use_mitshm) { |
|
1869 |
dptr = (uchar *)xshmimg->data; |
|
1870 |
uchar fillbyte = bpp == 8 ? white.pixel() : 0xff; |
|
1871 |
for (int y=0; y<h; y++) |
|
1872 |
memset(dptr + y*xshmimg->bytes_per_line, fillbyte, dbpl); |
|
1873 |
} else { |
|
1874 |
#endif |
|
1875 |
dptr = (uchar *)malloc(dbytes); // create buffer for bits |
|
1876 |
Q_CHECK_PTR(dptr); |
|
1877 |
if (depth1) // fill with zeros |
|
1878 |
memset(dptr, 0, dbytes); |
|
1879 |
else if (bpp == 8) // fill with background color |
|
1880 |
memset(dptr, WhitePixel(X11->display, xinfo.screen()), dbytes); |
|
1881 |
else |
|
1882 |
memset(dptr, 0, dbytes); |
|
1883 |
#if defined(QT_MITSHM) |
|
1884 |
} |
|
1885 |
#endif |
|
1886 |
||
1887 |
// #define QT_DEBUG_XIMAGE |
|
1888 |
#if defined(QT_DEBUG_XIMAGE) |
|
1889 |
qDebug("----IMAGE--INFO--------------"); |
|
1890 |
qDebug("width............. %d", xi->width); |
|
1891 |
qDebug("height............ %d", xi->height); |
|
1892 |
qDebug("xoffset........... %d", xi->xoffset); |
|
1893 |
qDebug("format............ %d", xi->format); |
|
1894 |
qDebug("byte order........ %d", xi->byte_order); |
|
1895 |
qDebug("bitmap unit....... %d", xi->bitmap_unit); |
|
1896 |
qDebug("bitmap bit order.. %d", xi->bitmap_bit_order); |
|
1897 |
qDebug("depth............. %d", xi->depth); |
|
1898 |
qDebug("bytes per line.... %d", xi->bytes_per_line); |
|
1899 |
qDebug("bits per pixel.... %d", xi->bits_per_pixel); |
|
1900 |
#endif |
|
1901 |
||
1902 |
int type; |
|
1903 |
if (xi->bitmap_bit_order == MSBFirst) |
|
1904 |
type = QT_XFORM_TYPE_MSBFIRST; |
|
1905 |
else |
|
1906 |
type = QT_XFORM_TYPE_LSBFIRST; |
|
1907 |
int xbpl, p_inc; |
|
1908 |
if (depth1) { |
|
1909 |
xbpl = (w+7)/8; |
|
1910 |
p_inc = dbpl - xbpl; |
|
1911 |
} else { |
|
1912 |
xbpl = (w*bpp)/8; |
|
1913 |
p_inc = dbpl - xbpl; |
|
1914 |
#if defined(QT_MITSHM) |
|
1915 |
if (use_mitshm) |
|
1916 |
p_inc = xshmimg->bytes_per_line - xbpl; |
|
1917 |
#endif |
|
1918 |
} |
|
1919 |
||
1920 |
if (!qt_xForm_helper(mat, xi->xoffset, type, bpp, dptr, xbpl, p_inc, h, sptr, sbpl, ws, hs)){ |
|
1921 |
qWarning("QPixmap::transform: display not supported (bpp=%d)",bpp); |
|
1922 |
QPixmap pm; |
|
1923 |
return pm; |
|
1924 |
} |
|
1925 |
||
1926 |
qSafeXDestroyImage(xi); |
|
1927 |
||
1928 |
if (depth1) { // mono bitmap |
|
1929 |
QBitmap bm = QBitmap::fromData(QSize(w, h), dptr, |
|
1930 |
BitmapBitOrder(X11->display) == MSBFirst |
|
1931 |
? QImage::Format_Mono |
|
1932 |
: QImage::Format_MonoLSB); |
|
1933 |
free(dptr); |
|
1934 |
return bm; |
|
1935 |
} else { // color pixmap |
|
3
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1936 |
QX11PixmapData *x11Data = new QX11PixmapData(QPixmapData::PixmapType); |
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1937 |
QPixmap pm(x11Data); |
0 | 1938 |
x11Data->flags &= ~QX11PixmapData::Uninitialized; |
1939 |
x11Data->xinfo = xinfo; |
|
1940 |
x11Data->d = d; |
|
1941 |
x11Data->w = w; |
|
1942 |
x11Data->h = h; |
|
1943 |
x11Data->is_null = (w <= 0 || h <= 0); |
|
1944 |
x11Data->hd = (Qt::HANDLE)XCreatePixmap(X11->display, |
|
1945 |
RootWindow(X11->display, xinfo.screen()), |
|
1946 |
w, h, d); |
|
18
2f34d5167611
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
3
diff
changeset
|
1947 |
x11Data->setSerialNumber(++qt_pixmap_serial); |
2f34d5167611
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
3
diff
changeset
|
1948 |
|
0 | 1949 |
#ifndef QT_NO_XRENDER |
1950 |
if (X11->use_xrender) { |
|
1951 |
XRenderPictFormat *format = x11Data->d == 32 |
|
1952 |
? XRenderFindStandardFormat(X11->display, PictStandardARGB32) |
|
1953 |
: XRenderFindVisualFormat(X11->display, (Visual *) x11Data->xinfo.visual()); |
|
1954 |
x11Data->picture = XRenderCreatePicture(X11->display, x11Data->hd, format, 0, 0); |
|
1955 |
} |
|
1956 |
#endif // QT_NO_XRENDER |
|
1957 |
||
1958 |
GC gc = XCreateGC(X11->display, x11Data->hd, 0, 0); |
|
1959 |
#if defined(QT_MITSHM) |
|
1960 |
if (use_mitshm) { |
|
1961 |
XCopyArea(dpy, xshmpm, x11Data->hd, gc, 0, 0, w, h, 0, 0); |
|
1962 |
} else |
|
1963 |
#endif |
|
1964 |
{ |
|
1965 |
xi = XCreateImage(dpy, (Visual*)x11Data->xinfo.visual(), |
|
1966 |
x11Data->d, |
|
1967 |
ZPixmap, 0, (char *)dptr, w, h, 32, 0); |
|
1968 |
XPutImage(dpy, pm.handle(), gc, xi, 0, 0, 0, 0, w, h); |
|
1969 |
qSafeXDestroyImage(xi); |
|
1970 |
} |
|
1971 |
XFreeGC(X11->display, gc); |
|
1972 |
||
1973 |
if (x11_mask) { // xform mask, too |
|
1974 |
pm.setMask(mask_to_bitmap(xinfo.screen()).transformed(transform)); |
|
1975 |
} else if (d != 32 && complex_xform) { // need a mask! |
|
1976 |
QBitmap mask(ws, hs); |
|
1977 |
mask.fill(Qt::color1); |
|
1978 |
pm.setMask(mask.transformed(transform)); |
|
1979 |
} |
|
1980 |
return pm; |
|
1981 |
} |
|
1982 |
} |
|
1983 |
||
1984 |
int QPixmap::x11SetDefaultScreen(int screen) |
|
1985 |
{ |
|
1986 |
int old = defaultScreen; |
|
1987 |
defaultScreen = screen; |
|
1988 |
return old; |
|
1989 |
} |
|
1990 |
||
1991 |
void QPixmap::x11SetScreen(int screen) |
|
1992 |
{ |
|
1993 |
if (paintingActive()) { |
|
1994 |
qWarning("QPixmap::x11SetScreen(): Cannot change screens during painting"); |
|
1995 |
return; |
|
1996 |
} |
|
1997 |
||
3
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1998 |
if (isNull()) |
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1999 |
return; |
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2000 |
|
0 | 2001 |
if (data->classId() != QPixmapData::X11Class) |
2002 |
return; |
|
2003 |
||
2004 |
if (screen < 0) |
|
2005 |
screen = QX11Info::appScreen(); |
|
2006 |
||
2007 |
QX11PixmapData *x11Data = static_cast<QX11PixmapData*>(data.data()); |
|
2008 |
if (screen == x11Data->xinfo.screen()) |
|
2009 |
return; // nothing to do |
|
2010 |
||
2011 |
if (isNull()) { |
|
2012 |
QX11InfoData* xd = x11Data->xinfo.getX11Data(true); |
|
2013 |
xd->screen = screen; |
|
2014 |
xd->depth = QX11Info::appDepth(screen); |
|
2015 |
xd->cells = QX11Info::appCells(screen); |
|
2016 |
xd->colormap = QX11Info::appColormap(screen); |
|
2017 |
xd->defaultColormap = QX11Info::appDefaultColormap(screen); |
|
2018 |
xd->visual = (Visual *)QX11Info::appVisual(screen); |
|
2019 |
xd->defaultVisual = QX11Info::appDefaultVisual(screen); |
|
2020 |
x11Data->xinfo.setX11Data(xd); |
|
2021 |
return; |
|
2022 |
} |
|
2023 |
#if 0 |
|
2024 |
qDebug("QPixmap::x11SetScreen for %p from %d to %d. Size is %d/%d", x11Data, x11Data->xinfo.screen(), screen, width(), height()); |
|
2025 |
#endif |
|
2026 |
||
2027 |
x11SetDefaultScreen(screen); |
|
2028 |
*this = qt_toX11Pixmap(toImage()); |
|
2029 |
} |
|
2030 |
||
2031 |
QPixmap QPixmap::grabWindow(WId window, int x, int y, int w, int h) |
|
2032 |
{ |
|
2033 |
if (w == 0 || h == 0) |
|
2034 |
return QPixmap(); |
|
2035 |
||
2036 |
Display *dpy = X11->display; |
|
2037 |
XWindowAttributes window_attr; |
|
2038 |
if (!XGetWindowAttributes(dpy, window, &window_attr)) |
|
2039 |
return QPixmap(); |
|
2040 |
||
2041 |
if (w < 0) |
|
2042 |
w = window_attr.width - x; |
|
2043 |
if (h < 0) |
|
2044 |
h = window_attr.height - y; |
|
2045 |
||
2046 |
// determine the screen |
|
2047 |
int scr; |
|
2048 |
for (scr = 0; scr < ScreenCount(dpy); ++scr) { |
|
2049 |
if (window_attr.root == RootWindow(dpy, scr)) // found it |
|
2050 |
break; |
|
2051 |
} |
|
2052 |
if (scr >= ScreenCount(dpy)) // sanity check |
|
2053 |
return QPixmap(); |
|
2054 |
||
2055 |
||
2056 |
// get the depth of the root window |
|
2057 |
XWindowAttributes root_attr; |
|
2058 |
if (!XGetWindowAttributes(dpy, window_attr.root, &root_attr)) |
|
2059 |
return QPixmap(); |
|
2060 |
||
2061 |
if (window_attr.depth == root_attr.depth) { |
|
2062 |
// if the depth of the specified window and the root window are the |
|
2063 |
// same, grab pixels from the root window (so that we get the any |
|
2064 |
// overlapping windows and window manager frames) |
|
2065 |
||
2066 |
// map x and y to the root window |
|
2067 |
WId unused; |
|
2068 |
if (!XTranslateCoordinates(dpy, window, window_attr.root, x, y, |
|
2069 |
&x, &y, &unused)) |
|
2070 |
return QPixmap(); |
|
2071 |
||
2072 |
window = window_attr.root; |
|
2073 |
window_attr = root_attr; |
|
2074 |
} |
|
2075 |
||
2076 |
QX11PixmapData *data = new QX11PixmapData(QPixmapData::PixmapType); |
|
2077 |
||
2078 |
void qt_x11_getX11InfoForWindow(QX11Info * xinfo, const XWindowAttributes &a); |
|
2079 |
qt_x11_getX11InfoForWindow(&data->xinfo,window_attr); |
|
2080 |
||
2081 |
data->resize(w, h); |
|
2082 |
||
2083 |
QPixmap pm(data); |
|
2084 |
||
2085 |
data->flags &= ~QX11PixmapData::Uninitialized; |
|
2086 |
pm.x11SetScreen(scr); |
|
2087 |
||
2088 |
GC gc = XCreateGC(dpy, pm.handle(), 0, 0); |
|
2089 |
XSetSubwindowMode(dpy, gc, IncludeInferiors); |
|
2090 |
XCopyArea(dpy, window, pm.handle(), gc, x, y, w, h, 0, 0); |
|
2091 |
XFreeGC(dpy, gc); |
|
2092 |
||
2093 |
return pm; |
|
2094 |
} |
|
2095 |
||
2096 |
bool QX11PixmapData::hasAlphaChannel() const |
|
2097 |
{ |
|
2098 |
return d == 32; |
|
2099 |
} |
|
2100 |
||
2101 |
const QX11Info &QPixmap::x11Info() const |
|
2102 |
{ |
|
3
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2103 |
if (data && data->classId() == QPixmapData::X11Class) |
0 | 2104 |
return static_cast<QX11PixmapData*>(data.data())->xinfo; |
2105 |
else { |
|
2106 |
static QX11Info nullX11Info; |
|
2107 |
return nullX11Info; |
|
2108 |
} |
|
2109 |
} |
|
2110 |
||
2111 |
#if !defined(QT_NO_XRENDER) |
|
2112 |
static XRenderPictFormat *qt_renderformat_for_depth(const QX11Info &xinfo, int depth) |
|
2113 |
{ |
|
2114 |
if (depth == 1) |
|
2115 |
return XRenderFindStandardFormat(X11->display, PictStandardA1); |
|
2116 |
else if (depth == 32) |
|
2117 |
return XRenderFindStandardFormat(X11->display, PictStandardARGB32); |
|
2118 |
else |
|
2119 |
return XRenderFindVisualFormat(X11->display, (Visual *)xinfo.visual()); |
|
2120 |
} |
|
2121 |
#endif |
|
2122 |
||
2123 |
QPaintEngine* QX11PixmapData::paintEngine() const |
|
2124 |
{ |
|
2125 |
QX11PixmapData *that = const_cast<QX11PixmapData*>(this); |
|
2126 |
||
2127 |
if ((flags & Readonly) && share_mode == QPixmap::ImplicitlyShared) { |
|
2128 |
// if someone wants to draw onto us, copy the shared contents |
|
2129 |
// and turn it into a fully fledged QPixmap |
|
2130 |
::Pixmap hd_copy = XCreatePixmap(X11->display, RootWindow(X11->display, xinfo.screen()), |
|
2131 |
w, h, d); |
|
2132 |
#if !defined(QT_NO_XRENDER) |
|
2133 |
XRenderPictFormat *format = qt_renderformat_for_depth(xinfo, d); |
|
2134 |
::Picture picture_copy = XRenderCreatePicture(X11->display, hd_copy, format, 0, 0); |
|
2135 |
||
2136 |
if (picture && d == 32) { |
|
2137 |
XRenderComposite(X11->display, PictOpSrc, picture, 0, picture_copy, |
|
2138 |
0, 0, 0, 0, 0, 0, w, h); |
|
2139 |
XRenderFreePicture(X11->display, picture); |
|
2140 |
that->picture = picture_copy; |
|
2141 |
} else |
|
2142 |
#endif |
|
2143 |
{ |
|
2144 |
GC gc = XCreateGC(X11->display, hd_copy, 0, 0); |
|
2145 |
XCopyArea(X11->display, hd, hd_copy, gc, 0, 0, w, h, 0, 0); |
|
2146 |
XFreeGC(X11->display, gc); |
|
2147 |
} |
|
2148 |
that->hd = hd_copy; |
|
2149 |
that->flags &= ~QX11PixmapData::Readonly; |
|
2150 |
} |
|
2151 |
||
2152 |
if (!that->pengine) |
|
2153 |
that->pengine = new QX11PaintEngine; |
|
2154 |
return that->pengine; |
|
2155 |
} |
|
2156 |
||
2157 |
Qt::HANDLE QPixmap::x11PictureHandle() const |
|
2158 |
{ |
|
2159 |
#ifndef QT_NO_XRENDER |
|
3
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2160 |
if (data && data->classId() == QPixmapData::X11Class) |
0 | 2161 |
return static_cast<const QX11PixmapData*>(data.data())->picture; |
2162 |
else |
|
2163 |
return 0; |
|
2164 |
#else |
|
2165 |
return 0; |
|
2166 |
#endif // QT_NO_XRENDER |
|
2167 |
} |
|
2168 |
||
2169 |
Qt::HANDLE QX11PixmapData::x11ConvertToDefaultDepth() |
|
2170 |
{ |
|
2171 |
#ifndef QT_NO_XRENDER |
|
2172 |
if (d == QX11Info::appDepth() || !X11->use_xrender) |
|
2173 |
return hd; |
|
2174 |
if (!hd2) { |
|
2175 |
hd2 = XCreatePixmap(xinfo.display(), hd, w, h, QX11Info::appDepth()); |
|
2176 |
XRenderPictFormat *format = XRenderFindVisualFormat(xinfo.display(), |
|
2177 |
(Visual*) xinfo.visual()); |
|
2178 |
Picture pic = XRenderCreatePicture(xinfo.display(), hd2, format, 0, 0); |
|
2179 |
XRenderComposite(xinfo.display(), PictOpSrc, picture, |
|
2180 |
XNone, pic, 0, 0, 0, 0, 0, 0, w, h); |
|
2181 |
XRenderFreePicture(xinfo.display(), pic); |
|
2182 |
} |
|
2183 |
return hd2; |
|
2184 |
#else |
|
2185 |
return hd; |
|
2186 |
#endif |
|
2187 |
} |
|
2188 |
||
2189 |
void QX11PixmapData::copy(const QPixmapData *data, const QRect &rect) |
|
2190 |
{ |
|
2191 |
if (data->pixelType() == BitmapType) { |
|
2192 |
fromImage(data->toImage().copy(rect), Qt::AutoColor); |
|
2193 |
return; |
|
2194 |
} |
|
2195 |
||
2196 |
const QX11PixmapData *x11Data = static_cast<const QX11PixmapData*>(data); |
|
2197 |
||
2198 |
setSerialNumber(++qt_pixmap_serial); |
|
2199 |
||
2200 |
flags &= ~Uninitialized; |
|
2201 |
xinfo = x11Data->xinfo; |
|
2202 |
d = x11Data->d; |
|
2203 |
w = rect.width(); |
|
2204 |
h = rect.height(); |
|
2205 |
is_null = (w <= 0 || h <= 0); |
|
2206 |
hd = (Qt::HANDLE)XCreatePixmap(X11->display, |
|
2207 |
RootWindow(X11->display, x11Data->xinfo.screen()), |
|
2208 |
w, h, d); |
|
2209 |
#ifndef QT_NO_XRENDER |
|
2210 |
if (X11->use_xrender) { |
|
2211 |
XRenderPictFormat *format = d == 32 |
|
2212 |
? XRenderFindStandardFormat(X11->display, PictStandardARGB32) |
|
2213 |
: XRenderFindVisualFormat(X11->display, (Visual *)xinfo.visual()); |
|
2214 |
picture = XRenderCreatePicture(X11->display, hd, format, 0, 0); |
|
2215 |
} |
|
2216 |
#endif // QT_NO_XRENDER |
|
2217 |
if (x11Data->x11_mask) { |
|
2218 |
x11_mask = XCreatePixmap(X11->display, hd, w, h, 1); |
|
2219 |
#ifndef QT_NO_XRENDER |
|
2220 |
if (X11->use_xrender) { |
|
2221 |
mask_picture = XRenderCreatePicture(X11->display, x11_mask, |
|
2222 |
XRenderFindStandardFormat(X11->display, PictStandardA1), 0, 0); |
|
2223 |
XRenderPictureAttributes attrs; |
|
2224 |
attrs.alpha_map = x11Data->mask_picture; |
|
2225 |
XRenderChangePicture(X11->display, x11Data->picture, CPAlphaMap, &attrs); |
|
2226 |
} |
|
2227 |
#endif |
|
2228 |
} |
|
2229 |
||
2230 |
#if !defined(QT_NO_XRENDER) |
|
2231 |
if (x11Data->picture && x11Data->d == 32) { |
|
2232 |
XRenderComposite(X11->display, PictOpSrc, |
|
2233 |
x11Data->picture, 0, picture, |
|
2234 |
rect.x(), rect.y(), 0, 0, 0, 0, w, h); |
|
2235 |
} else |
|
2236 |
#endif |
|
2237 |
{ |
|
2238 |
GC gc = XCreateGC(X11->display, hd, 0, 0); |
|
2239 |
XCopyArea(X11->display, x11Data->hd, hd, gc, |
|
2240 |
rect.x(), rect.y(), w, h, 0, 0); |
|
2241 |
if (x11Data->x11_mask) { |
|
2242 |
GC monogc = XCreateGC(X11->display, x11_mask, 0, 0); |
|
2243 |
XCopyArea(X11->display, x11Data->x11_mask, x11_mask, monogc, |
|
2244 |
rect.x(), rect.y(), w, h, 0, 0); |
|
2245 |
XFreeGC(X11->display, monogc); |
|
2246 |
} |
|
2247 |
XFreeGC(X11->display, gc); |
|
2248 |
} |
|
2249 |
} |
|
2250 |
||
2251 |
bool QX11PixmapData::scroll(int dx, int dy, const QRect &rect) |
|
2252 |
{ |
|
2253 |
GC gc = XCreateGC(X11->display, hd, 0, 0); |
|
2254 |
XCopyArea(X11->display, hd, hd, gc, |
|
2255 |
rect.left(), rect.top(), rect.width(), rect.height(), |
|
2256 |
rect.left() + dx, rect.top() + dy); |
|
2257 |
XFreeGC(X11->display, gc); |
|
2258 |
return true; |
|
2259 |
} |
|
2260 |
||
2261 |
#if !defined(QT_NO_XRENDER) |
|
2262 |
void QX11PixmapData::convertToARGB32(bool preserveContents) |
|
2263 |
{ |
|
2264 |
if (!X11->use_xrender) |
|
2265 |
return; |
|
2266 |
||
2267 |
// Q_ASSERT(count == 1); |
|
2268 |
if ((flags & Readonly) && share_mode == QPixmap::ExplicitlyShared) |
|
2269 |
return; |
|
2270 |
||
2271 |
Pixmap pm = XCreatePixmap(X11->display, RootWindow(X11->display, xinfo.screen()), |
|
2272 |
w, h, 32); |
|
2273 |
Picture p = XRenderCreatePicture(X11->display, pm, |
|
2274 |
XRenderFindStandardFormat(X11->display, PictStandardARGB32), 0, 0); |
|
2275 |
if (picture) { |
|
2276 |
if (preserveContents) |
|
2277 |
XRenderComposite(X11->display, PictOpSrc, picture, 0, p, 0, 0, 0, 0, 0, 0, w, h); |
|
2278 |
if (!(flags & Readonly)) |
|
2279 |
XRenderFreePicture(X11->display, picture); |
|
2280 |
} |
|
2281 |
if (hd && !(flags & Readonly)) |
|
2282 |
XFreePixmap(X11->display, hd); |
|
2283 |
if (x11_mask) { |
|
2284 |
XFreePixmap(X11->display, x11_mask); |
|
2285 |
if (mask_picture) |
|
2286 |
XRenderFreePicture(X11->display, mask_picture); |
|
2287 |
x11_mask = 0; |
|
2288 |
mask_picture = 0; |
|
2289 |
} |
|
2290 |
hd = pm; |
|
2291 |
picture = p; |
|
2292 |
d = 32; |
|
2293 |
} |
|
2294 |
#endif |
|
2295 |
||
2296 |
QPixmap QPixmap::fromX11Pixmap(Qt::HANDLE pixmap, QPixmap::ShareMode mode) |
|
2297 |
{ |
|
2298 |
Window root; |
|
2299 |
int x; |
|
2300 |
int y; |
|
2301 |
uint width; |
|
2302 |
uint height; |
|
2303 |
uint border_width; |
|
2304 |
uint depth; |
|
2305 |
XWindowAttributes win_attribs; |
|
2306 |
int num_screens = ScreenCount(X11->display); |
|
2307 |
int screen = 0; |
|
2308 |
||
2309 |
XGetGeometry(X11->display, pixmap, &root, &x, &y, &width, &height, &border_width, &depth); |
|
2310 |
XGetWindowAttributes(X11->display, root, &win_attribs); |
|
2311 |
||
2312 |
for (; screen < num_screens; ++screen) { |
|
2313 |
if (win_attribs.screen == ScreenOfDisplay(X11->display, screen)) |
|
2314 |
break; |
|
2315 |
} |
|
2316 |
||
2317 |
QX11PixmapData *data = new QX11PixmapData(depth == 1 ? QPixmapData::BitmapType : QPixmapData::PixmapType); |
|
2318 |
data->setSerialNumber(++qt_pixmap_serial); |
|
2319 |
data->flags = QX11PixmapData::Readonly; |
|
2320 |
data->share_mode = mode; |
|
2321 |
data->w = width; |
|
2322 |
data->h = height; |
|
2323 |
data->is_null = (width <= 0 || height <= 0); |
|
2324 |
data->d = depth; |
|
2325 |
data->hd = pixmap; |
|
2326 |
||
2327 |
if (defaultScreen >= 0 && defaultScreen != screen) { |
|
2328 |
QX11InfoData* xd = data->xinfo.getX11Data(true); |
|
2329 |
xd->screen = defaultScreen; |
|
2330 |
xd->depth = QX11Info::appDepth(xd->screen); |
|
2331 |
xd->cells = QX11Info::appCells(xd->screen); |
|
2332 |
xd->colormap = QX11Info::appColormap(xd->screen); |
|
2333 |
xd->defaultColormap = QX11Info::appDefaultColormap(xd->screen); |
|
2334 |
xd->visual = (Visual *)QX11Info::appVisual(xd->screen); |
|
2335 |
xd->defaultVisual = QX11Info::appDefaultVisual(xd->screen); |
|
2336 |
data->xinfo.setX11Data(xd); |
|
2337 |
} |
|
2338 |
||
2339 |
#ifndef QT_NO_XRENDER |
|
2340 |
if (X11->use_xrender) { |
|
2341 |
XRenderPictFormat *format = qt_renderformat_for_depth(data->xinfo, depth); |
|
2342 |
data->picture = XRenderCreatePicture(X11->display, data->hd, format, 0, 0); |
|
2343 |
} |
|
2344 |
#endif // QT_NO_XRENDER |
|
2345 |
||
2346 |
return QPixmap(data); |
|
2347 |
} |
|
2348 |
||
2349 |
||
2350 |
QT_END_NAMESPACE |