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494 lines
15 KiB
494 lines
15 KiB
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<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>qgfx_qws.h</h1>
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<p>This is the verbatim text of the qgfx_qws.h include file. It is provided only for illustration; the copyright remains with Trolltech.
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<hr>
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<pre>
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/****************************************************************************
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** $Id: qt/qgfx_qws.h 3.3.8 edited Jan 11 14:38 $
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**
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** Definition of TQGfx (graphics context) class
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**
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** Created : 940721
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**
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** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
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**
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** This file is part of the kernel module of the TQt GUI Toolkit.
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**
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** This file may be used under the terms of the GNU General Public
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** License versions 2.0 or 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Alternatively you may (at your option) use any
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** later version of the GNU General Public License if such license has
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** been publicly approved by Trolltech ASA (or its successors, if any)
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** and the KDE Free TQt Foundation.
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**
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** Please review the following information to ensure GNU General
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** Public Licensing retquirements will be met:
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** http://trolltech.com/products/qt/licenses/licensing/opensource/.
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** If you are unsure which license is appropriate for your use, please
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** review the following information:
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** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
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** or contact the sales department at sales@trolltech.com.
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**
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** Licensees holding valid TQt Commercial licenses may use this file in
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** accordance with the TQt Commercial License Agreement provided with
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** the Software.
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**
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** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
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** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
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** herein.
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**
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**********************************************************************/
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#ifndef TQGFX_QWS_H
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#define TQGFX_QWS_H
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#ifndef QT_H
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#include "qwidget.h"
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#include "qnamespace.h"
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#include "qimage.h"
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#include "qfontmanager_qws.h"
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#include "qmemorymanager_qws.h"
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#include "qpoint.h"
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#endif // QT_H
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#include <private/qtextengine_p.h>
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class TQScreenCursor;
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#if !defined( QT_NO_IMAGE_16_BIT ) || !defined( QT_NO_QWS_DEPTH_16 )
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# ifndef QT_QWS_DEPTH16_RGB
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# define QT_QWS_DEPTH16_RGB 565
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# endif
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static const int qt_rbits = (QT_QWS_DEPTH16_RGB/100);
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static const int qt_gbits = (QT_QWS_DEPTH16_RGB/10%10);
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static const int qt_bbits = (QT_QWS_DEPTH16_RGB%10);
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static const int qt_red_shift = qt_bbits+qt_gbits-(8-qt_rbits);
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static const int qt_green_shift = qt_bbits-(8-qt_gbits);
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static const int qt_neg_blue_shift = 8-qt_bbits;
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static const int qt_blue_mask = (1<<qt_bbits)-1;
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static const int qt_green_mask = (1<<(qt_gbits+qt_bbits))-((1<<qt_bbits)-1);
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static const int qt_red_mask = (1<<(qt_rbits+qt_gbits+qt_bbits))-(1<<(qt_gbits+qt_bbits));
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inline ushort qt_convRgbTo16( const int r, const int g, const int b )
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{
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const int tr = r << qt_red_shift;
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const int tg = g << qt_green_shift;
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const int tb = b >> qt_neg_blue_shift;
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return (tb & qt_blue_mask) | (tg & qt_green_mask) | (tr & qt_red_mask);
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}
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inline ushort qt_convRgbTo16( TQRgb c )
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{
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const int tr = qRed(c) << qt_red_shift;
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const int tg = qGreen(c) << qt_green_shift;
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const int tb = qBlue(c) >> qt_neg_blue_shift;
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return (tb & qt_blue_mask) | (tg & qt_green_mask) | (tr & qt_red_mask);
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}
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inline TQRgb qt_conv16ToRgb( ushort c )
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{
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const int r=(c & qt_red_mask);
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const int g=(c & qt_green_mask);
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const int b=(c & qt_blue_mask);
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const int tr = r >> qt_red_shift;
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const int tg = g >> qt_green_shift;
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const int tb = b << qt_neg_blue_shift;
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return qRgb(tr,tg,tb);
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}
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inline void qt_conv16ToRgb( ushort c, int& r, int& g, int& b )
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{
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const int tr=(c & qt_red_mask);
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const int tg=(c & qt_green_mask);
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const int tb=(c & qt_blue_mask);
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r = tr >> qt_red_shift;
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g = tg >> qt_green_shift;
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b = tb << qt_neg_blue_shift;
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}
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#endif
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const int SourceSolid=0;
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const int SourcePixmap=1;
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#ifndef QT_NO_QWS_CURSOR
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extern bool qt_sw_cursor;
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class TQGfxRasterBase;
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#define SW_CURSOR_DATA_SIZE 4096 // 64x64 8-bit cursor
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struct SWCursorData {
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unsigned char cursor[SW_CURSOR_DATA_SIZE];
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unsigned char under[SW_CURSOR_DATA_SIZE*4]; // room for 32bpp display
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TQRgb clut[256];
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unsigned char translut[256];
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int colors;
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int width;
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int height;
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int x;
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int y;
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int hotx;
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int hoty;
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bool enable;
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TQRect bound;
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};
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class TQScreenCursor
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{
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public:
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TQScreenCursor( );
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virtual ~TQScreenCursor();
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virtual void init(SWCursorData *da, bool init = FALSE);
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virtual void set( const TQImage &image, int hotx, int hoty );
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virtual void move( int x, int y );
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virtual void show();
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virtual void hide();
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virtual bool restoreUnder( const TQRect &r, TQGfxRasterBase *g = 0 );
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virtual void saveUnder();
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virtual void drawCursor();
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//void draw();
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virtual bool supportsAlphaCursor();
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static bool enabled() { return qt_sw_cursor; }
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protected:
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TQGfxRasterBase *gfx;
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TQGfxRasterBase *gfxunder;
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TQImage *imgunder;
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TQImage *cursor;
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uchar *fb_start;
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uchar *fb_end;
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bool save_under;
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SWCursorData *data;
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int clipWidth;
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int clipHeight;
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int myoffset;
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};
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extern TQScreenCursor * qt_screencursor;
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#endif // QT_NO_QWS_CURSOR
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struct fb_cmap;
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// A (used) chunk of offscreen memory
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class TQPoolEntry
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{
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public:
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unsigned int start;
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unsigned int end;
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int clientId;
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};
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class TQScreen;
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typedef void(*ClearCacheFunc)(TQScreen *obj, int);
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class TQScreen {
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public:
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TQScreen( int display_id );
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virtual ~TQScreen();
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virtual bool initDevice() = 0;
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virtual bool connect( const TQString &displaySpec ) = 0;
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virtual void disconnect() = 0;
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virtual int initCursor(void *, bool=FALSE);
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virtual void shutdownDevice();
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virtual void setMode(int,int,int) = 0;
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virtual bool supportsDepth(int) const;
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virtual TQGfx * createGfx(unsigned char *,int,int,int,int);
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virtual TQGfx * screenGfx();
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virtual void save();
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virtual void restore();
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virtual void blank(bool on);
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virtual int pixmapOffsetAlignment() { return 64; }
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virtual int pixmapLinestepAlignment() { return 64; }
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virtual int sharedRamSize(void *) { return 0; }
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virtual bool onCard(unsigned char *) const;
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virtual bool onCard(unsigned char *, ulong& out_offset) const;
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// sets a single color in the colormap
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virtual void set(unsigned int,unsigned int,unsigned int,unsigned int);
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// allocates a color
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virtual int alloc(unsigned int,unsigned int,unsigned int);
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int width() const { return w; }
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int height() const { return h; }
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int depth() const { return d; }
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virtual int pixmapDepth() const;
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int pixelType() const { return pixeltype; }
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int linestep() const { return lstep; }
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int deviceWidth() const { return dw; }
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int deviceHeight() const { return dh; }
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uchar * base() const { return data; }
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// Ask for memory from card cache with alignment
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virtual uchar * cache(int,int) { return 0; }
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virtual void uncache(uchar *) {}
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int screenSize() const { return size; }
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int totalSize() const { return mapsize; }
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TQRgb * clut() { return screenclut; }
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int numCols() { return screencols; }
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virtual TQSize mapToDevice( const TQSize & ) const;
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virtual TQSize mapFromDevice( const TQSize & ) const;
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virtual TQPoint mapToDevice( const TQPoint &, const TQSize & ) const;
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virtual TQPoint mapFromDevice( const TQPoint &, const TQSize & ) const;
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virtual TQRect mapToDevice( const TQRect &, const TQSize & ) const;
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virtual TQRect mapFromDevice( const TQRect &, const TQSize & ) const;
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virtual TQImage mapToDevice( const TQImage & ) const;
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virtual TQImage mapFromDevice( const TQImage & ) const;
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virtual TQRegion mapToDevice( const TQRegion &, const TQSize & ) const;
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virtual TQRegion mapFromDevice( const TQRegion &, const TQSize & ) const;
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virtual int transformOrientation() const;
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virtual bool isTransformed() const;
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virtual bool isInterlaced() const;
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virtual void setDirty( const TQRect& );
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virtual int memoryNeeded(const TQString&);
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int * opType() { return screen_optype; }
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int * lastOp() { return screen_lastop; }
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virtual void haltUpdates();
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virtual void resumeUpdates();
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protected:
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// Only used without QT_NO_QWS_REPEATER, but included so that
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// it's binary compatible regardless.
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int * screen_optype;
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int * screen_lastop;
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TQRgb screenclut[256];
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int screencols;
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bool initted;
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uchar * data;
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// Table of allocated lumps, kept in sorted highest-to-lowest order
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// The table itself is allocated at the bottom of offscreen memory
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// i.e. it's similar to having a stack (the table) and a heap
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// (the allocated blocks). Freed space is implicitly described
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// by the gaps between the allocated lumps (this saves entries and
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// means we don't need to worry about coalescing freed lumps)
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TQPoolEntry * entries;
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int * entryp;
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unsigned int * lowest;
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int w;
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int lstep;
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int h;
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int d;
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int pixeltype;
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bool grayscale;
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int dw;
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int dh;
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int hotx;
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int hoty;
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TQImage cursor;
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int size; // Screen size
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int mapsize; // Total mapped memory
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int displayId;
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friend class TQWSServer;
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static ClearCacheFunc clearCacheFunc;
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};
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extern TQScreen * qt_screen;
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class Q_EXPORT TQGfx : public TQt {
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public:
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// With loadable drivers, do probe here
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static TQGfx *createGfx( int depth, unsigned char *buffer,
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int w, int h, int linestep );
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virtual ~TQGfx() {}
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virtual void setPen( const TQPen & )=0;
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virtual void setBrush( const TQBrush & )=0;
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virtual void setBrushPixmap( const TQPixmap * )=0;
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virtual void setBrushOffset( int, int ) = 0;
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virtual void setClipRect( int,int,int,int )=0;
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virtual void setClipRegion( const TQRegion & )=0;
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virtual void setClipDeviceRegion( const TQRegion & )=0;
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virtual void setClipping (bool)=0;
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// These will be called from qwidget_qws or qwidget_mac
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// to update the drawing area when a widget is moved
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virtual void setOffset( int,int )=0;
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virtual void setWidgetRect( int,int,int,int )=0;
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virtual void setWidgetRegion( const TQRegion & )=0;
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virtual void setWidgetDeviceRegion( const TQRegion & )=0;
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virtual void setSourceWidgetOffset(int x, int y) = 0;
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virtual void setGlobalRegionIndex( int idx ) = 0;
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virtual void setDashedLines(bool d) = 0;
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virtual void setDashes(char *, int) = 0;
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virtual void setOpaqueBackground(bool b)=0;
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virtual void setBackgroundColor(TQColor c)=0;
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// Drawing operations
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virtual void drawPoint( int,int )=0;
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virtual void drawPoints( const TQPointArray &,int,int )=0;
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virtual void moveTo( int,int )=0;
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virtual void lineTo( int,int )=0;
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virtual void drawLine( int,int,int,int )=0;
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virtual void drawPolyline( const TQPointArray &,int,int )=0;
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// current position
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virtual TQPoint pos() const = 0;
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// Fill operations - these use the current source (pixmap,
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// color, etc), and draws outline
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virtual void fillRect( int,int,int,int )=0;
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virtual void drawPolygon( const TQPointArray &,bool,int,int )=0;
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virtual void setLineStep(int)=0;
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// Special case of rect-with-pixmap-fill for speed/hardware acceleration
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virtual void blt( int,int,int,int,int,int )=0;
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virtual void scroll( int,int,int,int,int,int )=0;
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#if !defined(QT_NO_MOVIE) || !defined(QT_NO_TRANSFORMATIONS) || !defined(QT_NO_PIXMAP_TRANSFORMATION)
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virtual void stretchBlt( int,int,int,int,int,int )=0;
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#endif
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virtual void tiledBlt( int,int,int,int )=0;
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enum SourceType { SourcePen, SourceImage, SourceAccel };
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enum PixelType { NormalPixel, BGRPixel };
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// Setting up source data - can be solid color or pixmap data
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virtual void setSource(const TQPaintDevice *)=0;
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virtual void setSource(const TQImage *)=0;
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virtual void setSource(unsigned char *,int,int,int,int,TQRgb *,int);
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// This one is pen
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virtual void setSourcePen()=0;
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virtual void drawAlpha(int,int,int,int,int,int,int,int) {}
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virtual void hsync(int) {}
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// These apply only to blt's. For alpha values for general
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// drawing operations we should probably have a separate TQGfx
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// class. It's not a high priority though.
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// Enum values: Ignore alpha information, alpha information encoded in
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// 32-bit rgba along with colors, alpha information in 8bpp
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// format in alphabits
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enum AlphaType { IgnoreAlpha, InlineAlpha, SeparateAlpha,
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LittleEndianMask, BigEndianMask, SolidAlpha };
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// Can be no alpha, inline (32bit data), separate (for images),
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// LittleEndianMask/BigEndianMask 1bpp masks, constant alpha
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// value
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virtual void setAlphaType(AlphaType)=0;
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// Pointer to data, linestep
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virtual void setAlphaSource(unsigned char *,int)=0;
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virtual void setAlphaSource(int,int=-1,int=-1,int=-1)=0;
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virtual void drawGlyphs( TQMemoryManager::FontID font, glyph_t *glyphs, TQPoint *positions, int num_glyphs ) = 0;
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virtual void setClut(TQRgb *,int)=0;
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// Save and restore pen and brush state - necessary when setting
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// up a bitBlt for example
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virtual void save()=0;
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virtual void restore()=0;
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virtual void setRop(RasterOp)=0;
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virtual void setScreen(TQScreen *,TQScreenCursor *,bool,int *,int *);
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void setShared(void * v) { shared_data=v; }
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bool isScreenGfx() { return is_screen_gfx; } //for cursor..
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protected:
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bool is_screen_gfx;
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void * shared_data;
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};
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// This lives in loadable modules
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#ifndef QT_LOADABLE_MODULES
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extern "C" TQScreen * qt_get_screen( int display_id, const char* spec );
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#endif
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// This is in main lib, loads the right module, calls qt_get_screen
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// In non-loadable cases just aliases to qt_get_screen
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const unsigned char * qt_probe_bus();
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#endif // TQGFX_QWS_H
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</pre>
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<!-- eof -->
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<p><address><hr><div align=center>
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<table width=100% cellspacing=0 border=0><tr>
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<td>Copyright © 2007
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|
<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a>
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<td align=right><div align=right>TQt 3.3.8</div>
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</table></div></address></body>
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