/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ /* ***** BEGIN LICENSE BLOCK ***** * Version: MPL 1.1/GPL 2.0/LGPL 2.1 * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is mozilla.org code. * * The Initial Developer of the Original Code is * Netscape Communications Corporation. * Portions created by the Initial Developer are Copyright (C) 1998 * the Initial Developer. All Rights Reserved. * * Contributor(s): * Lars Knoll * Zack Rusin * John C. Griggs * * Alternatively, the contents of this file may be used under the terms of * either the GNU General Public License Version 2 or later (the "GPL"), or * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), * in which case the provisions of the GPL or the LGPL are applicable instead * of those above. If you wish to allow use of your version of this file only * under the terms of either the GPL or the LGPL, and not to allow others to * use your version of this file under the terms of the MPL, indicate your * decision by deleting the provisions above and replace them with the notice * and other provisions required by the GPL or the LGPL. If you do not delete * the provisions above, a recipient may use your version of this file under * the terms of any one of the MPL, the GPL or the LGPL. * * ***** END LICENSE BLOCK ***** */ #ifndef nsRenderingContextQt_h___ #define nsRenderingContextQt_h___ #include "nsRenderingContextImpl.h" #include "nsUnitConversion.h" #include "nsFont.h" #include "nsIFontMetrics.h" #include "nsPoint.h" #include "nsString.h" #include "nsCRT.h" #include "nsTransform2D.h" #include "nsIWidget.h" #include "nsRect.h" #include "nsIDeviceContext.h" #include "nsVoidArray.h" #include "nsCOMPtr.h" #include "nsRegionQt.h" #include "nsDrawingSurfaceQt.h" #include "prlog.h" class nsFontQt; class nsDrawingSurface; class nsRenderingContextQt : public nsRenderingContextImpl { public: nsRenderingContextQt(); virtual ~nsRenderingContextQt(); NS_DECL_AND_IMPL_ZEROING_OPERATOR_NEW NS_DECL_ISUPPORTS NS_IMETHOD Init(nsIDeviceContext* aContext, nsIWidget *aWindow); NS_IMETHOD Init(nsIDeviceContext* aContext, nsIDrawingSurface* aSurface); NS_IMETHOD Reset(void); NS_IMETHOD GetDeviceContext(nsIDeviceContext *&aContext); NS_IMETHOD LockDrawingSurface(PRInt32 aX,PRInt32 aY,PRUint32 aWidth, PRUint32 aHeight,void **aBits, PRInt32 *aStride,PRInt32 *aWidthBytes, PRUint32 aFlags); NS_IMETHOD UnlockDrawingSurface(void); NS_IMETHOD SelectOffScreenDrawingSurface(nsIDrawingSurface* aSurface); NS_IMETHOD GetDrawingSurface(nsIDrawingSurface* *aSurface); NS_IMETHOD GetHints(PRUint32& aResult); NS_IMETHOD PushState(void); NS_IMETHOD PopState(void); NS_IMETHOD IsVisibleRect(const nsRect& aRect, PRBool &aVisible); NS_IMETHOD SetClipRect(const nsRect& aRect, nsClipCombine aCombine); NS_IMETHOD CopyClipRegion(nsIRegion &aRegion); NS_IMETHOD GetClipRect(nsRect &aRect, PRBool &aClipValid); NS_IMETHOD SetClipRegion(const nsIRegion& aRegion, nsClipCombine aCombine); NS_IMETHOD GetClipRegion(nsIRegion **aRegion); NS_IMETHOD SetLineStyle(nsLineStyle aLineStyle); NS_IMETHOD GetLineStyle(nsLineStyle &aLineStyle); NS_IMETHOD SetColor(nscolor aColor); NS_IMETHOD GetColor(nscolor &aColor) const; NS_IMETHOD SetFont(const nsFont& aFont, nsIAtom* aLangGroup); NS_IMETHOD SetFont(nsIFontMetrics *aFontMetrics); NS_IMETHOD GetFontMetrics(nsIFontMetrics *&aFontMetrics); NS_IMETHOD Translate(nscoord aX, nscoord aY); NS_IMETHOD Scale(float aSx, float aSy); NS_IMETHOD GetCurrentTransform(nsTransform2D *&aTransform); NS_IMETHOD CreateDrawingSurface(const nsRect& aBounds,PRUint32 aSurfFlags, nsIDrawingSurface* &aSurface); NS_IMETHOD DestroyDrawingSurface(nsIDrawingSurface* aDS); NS_IMETHOD DrawLine(nscoord aX0, nscoord aY0, nscoord aX1, nscoord aY1); NS_IMETHOD DrawStdLine(nscoord aX0,nscoord aY0,nscoord aX1,nscoord aY1); NS_IMETHOD DrawPolyline(const nsPoint aPoints[], PRInt32 aNumPoints); NS_IMETHOD DrawRect(const nsRect& aRect); NS_IMETHOD DrawRect(nscoord aX,nscoord aY,nscoord aWidth,nscoord aHeight); NS_IMETHOD FillRect(const nsRect& aRect); NS_IMETHOD FillRect(nscoord aX,nscoord aY,nscoord aWidth,nscoord aHeight); NS_IMETHOD InvertRect(const nsRect& aRect); NS_IMETHOD InvertRect(nscoord aX,nscoord aY,nscoord aWidth,nscoord aHeight); NS_IMETHOD DrawPolygon(const nsPoint aPoints[], PRInt32 aNumPoints); NS_IMETHOD FillPolygon(const nsPoint aPoints[], PRInt32 aNumPoints); NS_IMETHOD DrawEllipse(const nsRect& aRect); NS_IMETHOD DrawEllipse(nscoord aX,nscoord aY,nscoord aWidth, nscoord aHeight); NS_IMETHOD FillEllipse(const nsRect& aRect); NS_IMETHOD FillEllipse(nscoord aX,nscoord aY,nscoord aWidth, nscoord aHeight); NS_IMETHOD DrawArc(const nsRect& aRect,float aStartAngle,float aEndAngle); NS_IMETHOD DrawArc(nscoord aX,nscoord aY,nscoord aWidth,nscoord aHeight, float aStartAngle,float aEndAngle); NS_IMETHOD FillArc(const nsRect& aRect,float aStartAngle,float aEndAngle); NS_IMETHOD FillArc(nscoord aX,nscoord aY,nscoord aWidth,nscoord aHeight, float aStartAngle,float aEndAngle); NS_IMETHOD GetWidth(char aC, nscoord &aWidth); NS_IMETHOD GetWidth(PRUnichar aC, nscoord &aWidth, PRInt32 *aFontID); NS_IMETHOD GetWidth(const nsString& aString,nscoord &aWidth, PRInt32 *aFontID); NS_IMETHOD GetWidth(const char *aString, nscoord &aWidth); NS_IMETHOD GetWidth(const char *aString,PRUint32 aLength,nscoord &aWidth); NS_IMETHOD GetWidth(const PRUnichar *aString,PRUint32 aLength, nscoord &aWidth,PRInt32 *aFontID); NS_IMETHOD GetTextDimensions(const char* aString, PRUint32 aLength, nsTextDimensions& aDimensions); NS_IMETHOD GetTextDimensions(const PRUnichar *aString, PRUint32 aLength, nsTextDimensions& aDimensions, PRInt32 *aFontID); NS_IMETHOD GetTextDimensions(const char* aString, PRInt32 aLength, PRInt32 aAvailWidth, PRInt32* aBreaks, PRInt32 aNumBreaks, nsTextDimensions& aDimensions, PRInt32& aNumCharsFit, nsTextDimensions& aLastWordDimensions, PRInt32* aFontID); NS_IMETHOD GetTextDimensions(const PRUnichar* aString, PRInt32 aLength, PRInt32 aAvailWidth, PRInt32* aBreaks, PRInt32 aNumBreaks, nsTextDimensions& aDimensions, PRInt32& aNumCharsFit, nsTextDimensions& aLastWordDimensions, PRInt32* aFontID); #ifdef MOZ_MATHML /* Returns metrics (in app units) of an 8-bit character string */ NS_IMETHOD GetBoundingMetrics(const char *aString,PRUint32 aLength, nsBoundingMetrics& aBoundingMetrics); /* Returns metrics (in app units) of a Unicode character string */ NS_IMETHOD GetBoundingMetrics(const PRUnichar *aString,PRUint32 aLength, nsBoundingMetrics& aBoundingMetrics, PRInt32 *aFontID = nsnull); #endif /* MOZ_MATHML */ NS_IMETHOD DrawString(const char *aString,PRUint32 aLength, nscoord aX,nscoord aY,const nscoord* aSpacing); NS_IMETHOD DrawString(const PRUnichar *aString,PRUint32 aLength, nscoord aX,nscoord aY,PRInt32 aFontID, const nscoord* aSpacing); NS_IMETHOD DrawString(const nsString& aString,nscoord aX,nscoord aY, PRInt32 aFontID,const nscoord* aSpacing); NS_IMETHOD CopyOffScreenBits(nsIDrawingSurface* aSrcSurf, PRInt32 aSrcX, PRInt32 aSrcY, const nsRect &aDestBounds, PRUint32 aCopyFlags); NS_IMETHOD RetrieveCurrentNativeGraphicData(PRUint32 *ngd); //locals NS_IMETHOD CommonInit(); void UpdateGC(); void ConditionRect(nscoord &x, nscoord &y, nscoord &w, nscoord &h); void CreateClipRegion(); QPainter *painter() const { return mSurface->GetGC(); } QPaintDevice *paintDevice() const { return mSurface->GetPaintDevice(); } nsTransform2D *matrix() const { return mTranMatrix; } QRect qRect(const nsRect &aRect) { int x = aRect.x; int y = aRect.y; int w = aRect.width; int h = aRect.height; mTranMatrix->TransformCoord(&x,&y,&w,&h); return QRect (x, y, w, h); } protected: nsDrawingSurfaceQt *mOffscreenSurface; nsDrawingSurfaceQt *mSurface; nsIDeviceContext *mContext; nsIFontMetrics *mFontMetrics; nsCOMPtr mClipRegion; float mP2T; // graphic state stack (GraphicsState) nsVoidArray mStateCache; nscolor mCurrentColor; nsLineStyle mCurrentLineStyle; nsFontQt *mCurrentFont; Qt::PenStyle mQLineStyle; Qt::RasterOp mFunction; }; #endif /* nsRenderingContextQt_h___ */