/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* ***** BEGIN LICENSE BLOCK ***** * Version: NPL 1.1/GPL 2.0/LGPL 2.1 * * The contents of this file are subject to the Netscape 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/NPL/ * * 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): * * * 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 NPL, 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 NPL, the GPL or the LGPL. * * ***** END LICENSE BLOCK ***** */ #ifndef nsRenderingContextMac_h___ #define nsRenderingContextMac_h___ #include #include #include "nsRenderingContextImpl.h" #include "nsDrawingSurfaceMac.h" #include "nsUnicodeRenderingToolkit.h" #include "nsVoidArray.h" class nsIFontMetrics; class nsIDeviceContext; class nsIRegion; class nsFont; class nsTransform2D; class nsGraphicState; class nsUnicodeFallbackCache; class nsIGraphics; //------------------------------------------------------------------------ class nsRenderingContextMac : public nsRenderingContextImpl { public: nsRenderingContextMac(); ~nsRenderingContextMac(); NS_DECL_AND_IMPL_ZEROING_OPERATOR_NEW NS_DECL_ISUPPORTS NS_IMETHOD Init(nsIDeviceContext* aContext, nsIWidget *aWindow); NS_IMETHOD Init(nsIDeviceContext* aContext, nsDrawingSurface 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(nsDrawingSurface aSurface); NS_IMETHOD GetDrawingSurface(nsDrawingSurface *aSurface); NS_IMETHOD GetHints(PRUint32& aResult); NS_IMETHOD PushState(void); NS_IMETHOD PopState(PRBool &aClipEmpty); NS_IMETHOD IsVisibleRect(const nsRect& aRect, PRBool &aVisible); NS_IMETHOD SetClipRect(const nsRect& aRect, nsClipCombine aCombine, PRBool &aClipEmpty); NS_IMETHOD GetClipRect(nsRect &aRect, PRBool &aClipValid); NS_IMETHOD SetClipRegion(const nsIRegion& aRegion, nsClipCombine aCombine, PRBool &aClipEmpty); NS_IMETHOD CopyClipRegion(nsIRegion &aRegion); 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); 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(nsRect *aBounds, PRUint32 aSurfFlags, nsDrawingSurface &aSurface); NS_IMETHOD DestroyDrawingSurface(nsDrawingSurface 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 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 GetTextDimensions(const char* aString, PRUint32 aLength, nsTextDimensions& aDimensions); NS_IMETHOD GetTextDimensions(const PRUnichar *aString, PRUint32 aLength, nsTextDimensions& aDimensions, PRInt32 *aFontID); NS_IMETHOD DrawImage(nsIImage *aImage, nscoord aX, nscoord aY); NS_IMETHOD DrawImage(nsIImage *aImage, nscoord aX, nscoord aY, nscoord aWidth, nscoord aHeight); NS_IMETHOD DrawImage(nsIImage *aImage, const nsRect& aRect); NS_IMETHOD DrawImage(nsIImage *aImage, const nsRect& aSRect, const nsRect& aDRect); //NS_IMETHOD DrawTile(nsIImage *aImage,nscoord aX0,nscoord aY0,nscoord aX1,nscoord aY1, //nscoord aWidth,nscoord aHeight); NS_IMETHOD CopyOffScreenBits(nsDrawingSurface aSrcSurf, PRInt32 aSrcX, PRInt32 aSrcY, const nsRect &aDestBounds, PRUint32 aCopyFlags); NS_IMETHOD RetrieveCurrentNativeGraphicData(PRUint32 * ngd); NS_IMETHOD GetGraphics(nsIGraphics* *aGraphics); // nsRenderingContextImpl overrides NS_IMETHOD ReleaseBackbuffer(void); #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); #endif /* MOZ_MATHML */ #ifdef IBMBIDI /** * Let the device context know whether we want text reordered with * right-to-left base direction */ NS_IMETHOD SetRightToLeftText(PRBool aIsRTL); #endif // IBMBIDI //locals nsresult SetPortTextState(); nsresult Init(nsIDeviceContext* aContext, CGrafPtr aPort); protected: enum GraphicStateChanges { kFontChanged = (1 << 0), kColorChanged = (1 << 1), kClippingChanged = (1 << 2), kEverythingChanged = 0xFFFFFFFF }; void SelectDrawingSurface(nsDrawingSurfaceMac* aSurface, PRUint32 aChanges = kEverythingChanged); void SetupPortState(); protected: float mP2T; // Pixel to Twip conversion factor nsIDeviceContext * mContext; nsDrawingSurfaceMac* mFrontSurface; nsDrawingSurfaceMac* mCurrentSurface; // pointer to the current surface CGrafPtr mPort; // current grafPort - shortcut for mCurrentSurface->GetPort() nsGraphicState * mGS; // current graphic state - shortcut for mCurrentSurface->GetGS() nsUnicodeRenderingToolkit mUnicodeRenderingToolkit; nsAutoVoidArray mGSStack; // GraphicStates stack, used for PushState/PopState PRUint32 mChanges; // bit mask of attributes that have changed since last Push(). #ifdef IBMBIDI PRBool mRightToLeftText; #endif }; #endif /* nsRenderingContextMac_h___ */