31f3fbc45c
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@12106 a95241bf-73f2-0310-859d-f6bbb57e9c96
427 lines
13 KiB
C++
427 lines
13 KiB
C++
//------------------------------------------------------------------------------
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// Copyright (c) 2001-2005, Haiku, Inc.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the "Software"),
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// to deal in the Software without restriction, including without limitation
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// the rights to use, copy, modify, merge, publish, distribute, sublicense,
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// and/or sell copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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//
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// File Name: DisplayDriver.h
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// Authors: DarkWyrm <bpmagic@columbus.rr.com>
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// Gabe Yoder <gyoder@stny.rr.com>
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// Stephan Aßmus <superstippi@gmx.de>
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//
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// Description: Abstract class which handles all graphics output
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// for the server
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//
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//------------------------------------------------------------------------------
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#ifndef _DISPLAY_DRIVER_IMPL_H_
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#define _DISPLAY_DRIVER_IMPL_H_
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#include <OS.h>
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#include <View.h>
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#include <Rect.h>
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#include <Screen.h>
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#include <Region.h>
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#include <ft2build.h>
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#include FT_FREETYPE_H
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//#include "CursorHandler.h"
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#include "DisplaySupport.h"
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#include "LayerData.h"
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#include "PatternHandler.h"
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#include "RGBColor.h"
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#include "ServerBitmap.h"
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#include "DisplayDriver.h"
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#ifndef ROUND
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#define ROUND(a) ( (long)(a+.5) )
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#endif
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class ServerCursor;
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/*!
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\brief Data structure for passing cursor information to hardware drivers.
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*/
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typedef struct
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{
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uchar *xormask, *andmask;
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int32 width, height;
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int32 hotx, hoty;
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} cursor_data;
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#ifndef HOOK_DEFINE_CURSOR
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#define HOOK_DEFINE_CURSOR 0
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#define HOOK_MOVE_CURSOR 1
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#define HOOK_SHOW_CURSOR 2
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#define HOOK_DRAW_LINE_8BIT 3
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#define HOOK_DRAW_LINE_16BIT 12
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#define HOOK_DRAW_LINE_32BIT 4
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#define HOOK_DRAW_RECT_8BIT 5
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#define HOOK_DRAW_RECT_16BIT 13
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#define HOOK_DRAW_RECT_32BIT 6
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#define HOOK_BLIT 7
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#define HOOK_DRAW_ARRAY_8BIT 8
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#define HOOK_DRAW_ARRAY_16BIT 14 // Not implemented in current R5 drivers
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#define HOOK_DRAW_ARRAY_32BIT 9
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#define HOOK_SYNC 10
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#define HOOK_INVERT_RECT 11
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#endif
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class DisplayDriverImpl;
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typedef void (DisplayDriverImpl::* SetPixelFuncType)(int x, int y);
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typedef void (DisplayDriverImpl::* SetHorizontalLineFuncType)(int xstart, int xend, int y);
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typedef void (DisplayDriverImpl::* SetVerticalLineFuncType)(int x, int ystart, int yend);
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typedef void (DisplayDriverImpl::* SetRectangleFuncType)(int left, int top, int right, int bottom);
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/*!
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\class DisplayDriverImpl DisplayDriverImpl.h
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\brief original DisplayDriver implementation.
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While all virtual functions are technically optional, the default versions
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do very little, so implementing them all more or less required.
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*/
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class DisplayDriverImpl : public DisplayDriver {
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public:
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DisplayDriverImpl();
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virtual ~DisplayDriverImpl();
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// Graphics calls implemented in DisplayDriver
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virtual void CopyBits( const BRect &src,
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const BRect &dest,
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const DrawData *d);
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virtual void CopyRegion( BRegion *src,
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const BPoint &lefttop);
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virtual void InvertRect( const BRect &r);
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virtual void DrawBitmap( BRegion *region,
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ServerBitmap *bitmap,
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const BRect &source,
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const BRect &dest,
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const DrawData *d);
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virtual void CopyRegionList( BList* list,
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BList* pList,
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int32 rCount,
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BRegion* clipReg);
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virtual void FillArc( const BRect &r,
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const float &angle,
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const float &span,
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const DrawData *d);
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virtual void FillBezier( BPoint *pts,
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const DrawData *d);
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virtual void FillEllipse( const BRect &r,
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const DrawData *d);
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virtual void FillPolygon( BPoint *ptlist,
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int32 numpts,
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const BRect &bounds,
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const DrawData *d);
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virtual void FillRect( const BRect &r,
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const RGBColor &color);
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virtual void FillRect( const BRect &r,
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const DrawData *d);
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virtual void FillRegion( BRegion &r,
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const DrawData *d);
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virtual void FillRoundRect( const BRect &r,
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const float &xrad,
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const float &yrad,
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const DrawData *d);
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virtual void FillShape( const BRect &bounds,
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const int32 &opcount,
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const int32 *oplist,
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const int32 &ptcount,
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const BPoint *ptlist,
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const DrawData *d);
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virtual void FillTriangle( BPoint *pts,
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const BRect &bounds,
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const DrawData *d);
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virtual void StrokeArc( const BRect &r,
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const float &angle,
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const float &span,
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const DrawData *d);
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virtual void StrokeBezier( BPoint *pts,
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const DrawData *d);
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virtual void StrokeEllipse( const BRect &r,
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const DrawData *d);
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// this version used by Decorator
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virtual void StrokeLine( const BPoint &start,
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const BPoint &end,
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const RGBColor &color);
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virtual void StrokeLine( const BPoint &start,
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const BPoint &end,
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const DrawData *d);
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// this version used by Decorator
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virtual void StrokePoint( const BPoint &pt,
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const RGBColor &color);
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virtual void StrokePoint( const BPoint &pt,
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const DrawData *d);
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virtual void StrokePolygon( BPoint *ptlist,
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int32 numpts,
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const BRect &bounds,
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const DrawData *d,
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bool is_closed=true);
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// this version used by Decorator
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virtual void StrokeRect( const BRect &r,
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const RGBColor &color);
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virtual void StrokeRect( const BRect &r,
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const DrawData *d);
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virtual void StrokeRegion( BRegion &r,
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const DrawData *d);
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virtual void StrokeRoundRect(const BRect &r,
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const float &xrad,
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const float &yrad,
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const DrawData *d);
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virtual void StrokeShape( const BRect &bounds,
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const int32 &opcount,
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const int32 *oplist,
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const int32 &ptcount,
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const BPoint *ptlist,
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const DrawData *d);
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virtual void StrokeTriangle( BPoint *pts,
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const BRect &bounds,
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const DrawData *d);
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// Font-related calls
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// DrawData is NOT const because this call updates the pen position in the passed DrawData
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virtual void DrawString(const char *string,
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const int32 &length,
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const BPoint &pt,
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DrawData *d);
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virtual void DrawString(const char *string,
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const int32 &length,
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const BPoint &pt,
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const RGBColor &color,
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escapement_delta *delta=NULL);
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virtual float StringWidth(const char *string,
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int32 length,
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const DrawData *d);
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virtual float StringHeight(const char *string,
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int32 length,
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const DrawData *d);
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virtual void GetBoundingBoxes(const char *string,
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int32 count,
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font_metric_mode mode,
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escapement_delta *delta,
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BRect *rectarray,
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const DrawData *d);
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virtual void GetEscapements(const char *string,
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int32 charcount,
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escapement_delta *delta,
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escapement_delta *escapements,
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escapement_delta *offsets,
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const DrawData *d);
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virtual void GetEdges(const char *string,
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int32 charcount,
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edge_info *edgearray,
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const DrawData *d);
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virtual void GetHasGlyphs(const char *string,
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int32 charcount,
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bool *hasarray);
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virtual void GetTruncatedStrings(const char **instrings,
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const int32 &stringcount,
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const uint32 &mode,
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const float &maxwidth,
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char **outstrings);
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// cursor handling
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virtual void HideCursor();
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virtual bool IsCursorHidden();
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virtual void MoveCursorTo( const float &x,
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const float &y);
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virtual void ShowCursor();
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virtual void ObscureCursor();
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virtual void SetCursor(ServerCursor *cursor);
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BPoint GetCursorPosition();
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virtual bool IsCursorObscured(bool state);
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// These two will rarely be implemented by subclasses,
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// but it still needs to be possible
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virtual bool Lock(bigtime_t timeout = B_INFINITE_TIMEOUT);
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virtual void Unlock();
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virtual bool DumpToFile(const char *path);
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virtual ServerBitmap* DumpToBitmap();
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virtual void StrokeLineArray(const int32 &numlines,
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const LineArrayData *data,
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const DrawData *d);
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virtual status_t GetDeviceInfo(accelerant_device_info *info);
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virtual status_t GetModeList(display_mode **mode_list,
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uint32 *count);
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virtual status_t GetPixelClockLimits(display_mode *mode,
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uint32 *low,
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uint32 *high);
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virtual status_t GetTimingConstraints(display_timing_constraints *dtc);
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virtual status_t ProposeMode(display_mode *candidate,
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const display_mode *low,
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const display_mode *high);
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virtual status_t WaitForRetrace(bigtime_t timeout = B_INFINITE_TIMEOUT);
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// needed by CursorHandler
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virtual void CopyBitmap(ServerBitmap *bitmap,
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const BRect &source,
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const BRect &dest,
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const DrawData *d);
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virtual void CopyToBitmap(ServerBitmap *target,
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const BRect &source);
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// This is for drivers which are internally double buffered
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// and calling this will cause the real framebuffer to be updated
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virtual void Invalidate(const BRect &r);
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// temporarily virtual - until clipping code is added in DisplayDriver
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// needed by Layer
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virtual void ConstrainClippingRegion(BRegion *reg);
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protected:
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//friend class Layer;
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friend class WinBorder;
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//friend CursorHandler;
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ServerCursor* _GetCursor();
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virtual void HLinePatternThick(int32 x1, int32 x2, int32 y);
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virtual void VLinePatternThick(int32 x, int32 y1, int32 y2);
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virtual void SetThickPatternPixel(int x, int y);
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// Blit functions specific to FreeType2 glyph copying.
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// These probably could be replaced with more generic functions,
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// but these are written and can be replaced later.
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void BlitMono2RGB32(FT_Bitmap *src,
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const BPoint &pt,
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const DrawData *d);
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void BlitGray2RGB32(FT_Bitmap *src,
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const BPoint &pt,
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const DrawData *d);
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// Two functions for gaining direct access to the framebuffer
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// of a child class. This removes the need for a set of
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// glyph-blitting virtual functions for each driver.
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virtual bool AcquireBuffer(FBBitmap *bmp);
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virtual void ReleaseBuffer();
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/* void FillBezier(BPoint *pts,
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DisplayDriver* driver,
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SetHorizontalLineFuncType setLine);
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void FillRegion(BRegion &r,
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DisplayDriver* driver,
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SetRectangleFuncType setRect);
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void StrokeArc(const BRect &r,
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const float &angle,
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const float &span,
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DisplayDriver* driver,
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SetPixelFuncType setPixel);
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void StrokeBezier(BPoint *pts,
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DisplayDriver* driver,
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SetPixelFuncType setPixel);
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void StrokeEllipse(const BRect &r,
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DisplayDriver* driver,
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SetPixelFuncType setPixel);
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void StrokeLine(const BPoint &start,
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const BPoint &end,
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DisplayDriver* driver,
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SetPixelFuncType setPixel);*/
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// Support functions for the rest of the driver
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virtual void Blit(const BRect &src,
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const BRect &dest,
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const DrawData *d);
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virtual void FillSolidRect(const BRect &rect,
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const RGBColor &color);
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virtual void FillPatternRect(const BRect &rect,
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const DrawData *d);
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virtual void StrokeSolidLine(int32 x1, int32 y1,
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int32 x2, int32 y2,
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const RGBColor &color);
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virtual void StrokePatternLine(int32 x1, int32 y1,
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int32 x2, int32 y2,
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const DrawData *d);
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virtual void StrokeSolidRect(const BRect &rect,
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const RGBColor &color);
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protected:
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BLocker fLocker;
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CursorHandler fCursorHandler;
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};
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#endif
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