--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/svgtopt/gfx2d/inc/Gfx2dGcOpenVG.h Wed Nov 03 18:56:10 2010 +0200
@@ -0,0 +1,562 @@
+/*
+* Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: Graphics Extension Library header file
+*
+*/
+
+
+#ifndef GFX2DGCOPENVG_H
+#define GFX2DGCOPENVG_H
+
+#include "Gfx2dGcInterface.h"
+#include "GfxRendererInfoP.h"
+#include "VGRenderer.h"
+#include <SVGRendererId.h>
+#include "VGSurface.h"
+#include <VG/openvg.h>
+
+const TUint8 KMediaAnimationVisible = 2;
+
+/**
+ * This class provides the interface create a graphics context.
+ *
+ * @lib Gfx2D.lib
+ * @since 1.0
+ */
+class CGfx2dGcOpenVG : public CGfx2dGc
+ {
+ public:
+
+ /**
+ * Two-phase constructor.
+ *
+ * @since 1.0
+ * @param
+ * @return
+ */
+ static CGfx2dGcOpenVG* NewL( const TSize aBufferSize, TFontSpec& aFontSpec, CSvgBitmapFontProvider* aSvgBitmapFontProvider, TBool aIsMain = ETrue );
+
+ static CGfx2dGcOpenVG* NewL( const TSize aBufferSize, TFontSpec& aFontSpec, CSvgBitmapFontProvider* aSvgBitmapFontProvider,SVGRendererId aRendererType,TBool aIsMain = ETrue );
+ void GetFontScaled( TFloatFixPt aHeight, const TDesC& aTypefaceName, CFont*& aFont, TFontSpec& aFontSpec );
+
+ /**
+ * Destructor
+ */
+ virtual ~CGfx2dGcOpenVG();
+
+
+ /**
+ * Draw the given shape.
+ *
+ * @since 1.0
+ * @param aShape : shape to draw.
+ * @return
+ */
+ void DrawL( MGfxShape* aShape );
+
+ /**
+ * Draw the given string starting at the given context coordinate,
+ * and stylized by the given parameters.
+ *
+ * @since 1.0
+ * @param aDesc : string to draw
+ * @param aX : x coordinate
+ * @param aTextAnchor : text anchor
+ * @param aTextDecoration : text decoration
+ * @param aFamilies : font family names
+ * @param aWordSpacing : spacing description for each word
+ * @param aLetterSpacing : spacing description for each letter
+ * @param aArrayRotate : angle of rotation
+ * @param aArrayX : array of x coordinates
+ * @param aArrayY : array of x coordinates
+ * @return
+ */
+ void DrawStringL( const TDesC& aDesc,
+ TFloatFixPt aX,
+ TFloatFixPt aY,
+ TInt8 aTextAnchor,
+ TInt8 aTextDecoration,
+ CDesCArrayFlat* aFamilies,
+ TReal aWordSpacing,
+ TReal aLetterSpacing,
+ CArrayFix<TReal32>* aArrayRotate,
+ CArrayFix<TFloatFixPt>* aArrayX,
+ CArrayFix<TFloatFixPt>* aArrayY,
+ TSize& aBoundingBoxResult,
+ CFont*& aFont,
+ TFontSpec& aFontSpec);
+
+ /**
+ * Draw the given bitmap at the given top-left coordinates.
+ *
+ * @since 1.0
+ * @param aDesc : bitmap image to draw
+ * @param aX : x coordinate
+ * @param aY : y coordinate
+ * @return
+ */
+ void DrawImage( CFbsBitmap* aImage,
+ const TGfxRectangle2D& aImageRect,
+ TBool aHasAlpha = EFalse );
+
+ /**
+ * Clear the whole graphics context.
+ *
+ * @since 1.0
+ * @param
+ * @return
+ */
+ void Clear(TUint32 aRGBA8888Color);
+
+ /**
+ * Get the foreground color setting.
+ *
+ * @since 1.0
+ * @param
+ * @return foreground color.
+ */
+ TGfxColor ForegroundColor();
+
+ /**
+ * Get the paint setting.
+ *
+ * @since 1.0
+ * @param
+ * @return paint.
+ */
+ MGfxPaint* Paint();
+
+ /**
+ * Get the rendering hints setting.
+ *
+ * @since 1.0
+ * @param
+ * @return rendering hints.
+ */
+ TGfxRenderingHints* RenderingHints();
+
+ /**
+ * Get the stroke setting.
+ *
+ * @since 1.0
+ * @param
+ * @return stroke.
+ */
+ TGfxStroke Stroke();
+
+ /**
+ * Get the boundary setting.
+ *
+ * @since 1.0
+ * @param
+ * @return boundary.
+ */
+ TSize DeviceBounds();
+ /**
+ * Get the font setting.
+ *
+ * @since 1.0
+ * @param
+ * @return font.
+ */
+
+ CFont* Font();
+
+
+ /**
+ * Set the foreground color.
+ *
+ * @since 1.0
+ * @param aColor : foreground color
+ * @return
+ */
+ void SetForegroundColor( const TGfxColor& aColor );
+
+ /**
+ * Set the background color.
+ *
+ * @since 1.0
+ * @param aColor : background color
+ * @return
+ */
+ void SetBackgroundColor( const TGfxColor& aColor );
+
+
+ /**
+ * Set the stroke-width.
+ *
+ * @since 3.2
+ * @param aWidth : stroke-width
+ * @return none.
+ */
+ void SetStrokeWidth( const TFloatFixPt& aWidth );
+
+
+ /**
+ * Set the paint info.
+ *
+ * @since 1.0
+ * @param aPaint : paint info
+ * @return
+ */
+ void SetPaint( MGfxPaint* aPaint );
+
+ /**
+ * Set the stroke info.
+ *
+ * @since 1.0
+ * @param aStroke : stroke info
+ * @return
+ */
+ void SetStroke( TGfxStroke aStroke );
+
+ /**
+ * Set the rendering hints.
+ *
+ * @since 1.0
+ * @param aRenderingHints : rendering hints
+ * @return
+ */
+ void SetRenderingHints( const TGfxRenderingHints& aRenderingHints );
+
+ /**
+ * Set the transform info.
+ *
+ * @since 1.0
+ * @param aTransform : transform info
+ * @return
+ */
+ void SetTransform( const TGfxAffineTransform& aTransform );
+
+ /**
+ * Set the clipping info.
+ *
+ * @since 1.0
+ * @param aClip : clipping rectangle
+ * @return
+ */
+ void SetClip( const TGfxRectangle2D& aClip );
+
+ /**
+ * Set the font.
+ *
+ * @since 1.0
+ * @param aFont : font
+ * @return
+ */
+
+ void SetFont( const CFont* aFont );
+
+ /**
+ * Set the dash array info.
+ *
+ * @since 1.0
+ * @param aArray : array of points
+ * @param aOffset : offset point
+ * @return
+ */
+ void SetDashArrayL( CArrayFix<TFloatFixPt>* aArray);
+ void SetDashOffset( TFloatFixPt aDashOffset ) ;
+ /**
+ * Set the font size.
+ *
+ * @since 1.0
+ * @param aFontSize : font size
+ * @return
+ */
+ void SetFontSize( const TFloatFixPt aFontSize );
+
+ /**
+ * Set the winding rule.
+ *
+ * @since 1.0
+ * @param aRule : winding rule
+ * @return
+ */
+ void SetWindingRule( TGfxWindingRule aRule );
+
+ /**
+ * Set the font weight.
+ *
+ * @since 1.0
+ * @param aFontWeight : font weight value
+ * @return
+ */
+ void SetFontWeight( const TInt32 aFontWeight );
+
+ /**
+ * Set the font style.
+ *
+ * @since 1.0
+ * @param aFontStyle : font style
+ * @return
+ */
+ void SetFontStyle( const TInt32 aFontStyle );
+
+ /**
+ * Set the font family.
+ *
+ * @since 1.0
+ * @param aFamilies : font family names
+ * @return
+ */
+ void SetFontFamily( CDesCArrayFlat* aFamilies );
+
+ /**
+ * Set the text anchor
+ *
+ * @since 1.0
+ * @param aTextAnchor : text anchor value
+ * @return
+ */
+ void SetTextanchor( const TInt32 aTextAnchor );
+
+ /**
+ * Set the text decoration
+ *
+ * @since 1.0
+ * @param aTextDecoration : text decoration value
+ * @return
+ */
+ void SetTextDecoration( const TInt32 aTextDecoration );
+
+ /**
+ * Set the anti-alias mode
+ *
+ * @since 1.0
+ * @param aTextDecoration : anti-alias mode value
+ * @return
+ */
+ void SetAntialiasingMode( const TInt32 aAntialiasingEnable );
+
+ /**
+ * This method copies the internal RGBA8888 framebuffer to CfbsBitmap that
+ * is specified in constructor. The CfbsBitmap could be 4k color (RGB0444),
+ * 64k color (RGB565), or 16M color (RGB888).
+ *
+ * @since
+ * @param
+ * @return
+ */
+ void UpdateFramebufferL( CFbsBitmap* aBitmap, CFbsBitmap* aMask );
+
+ void UpdateFramebufferL( CFbsBitmap* aBitmap, CFbsBitmap* aMask,TSize BitmapSize,TDisplayMode aBitmapDspMode,TDisplayMode aMaskDspMode );
+ /**
+ * Blend aFrameBuffer with background buffer using the opacity value
+ *
+ * @since 1.0
+ * @param aFrameBuffer: Buffer to be blended with background
+ * aOpacity: opacity value (0<=aOpacity<=1.0)
+ * @return
+ */
+ void BlendWithBackground(TUint32* aFrameBuffer, TReal32 aOpacity);
+
+ /**
+ * Generate mask
+ *
+ * @since
+ * @param aMask: pointer to the mask
+ * @return
+ */
+ void GenerateMask(CFbsBitmap* aMask);
+
+ /**
+ * Set the fill opacity value
+ *
+ * @since 1.0
+ * @param aFillOpacity : opacity value (0<=aFillOpacity<=1.0)
+ * @return
+ */
+ void SetFillOpacity(TFloatFixPt aFillOpacity);
+
+ /**
+ * Set the stroke opacity value
+ *
+ * @since 1.0
+ * @param aStrokeOpacity : opacity value (0<=aStrokeOpacity<=1.0)
+ * @return
+ */
+ void SetStrokeOpacity(TFloatFixPt aStrokeOpacity);
+
+ /**
+ * Set the flag to do or ignore dithering.
+ *
+ * @since 1.0
+ * @param aDoDithering : TRUE or False
+ * @return
+ */
+ void SetDoDithering( TBool aDoDithering );
+
+ /**
+ * Request to change the buffer size.
+ *
+ * @since 1.0
+ * @param aSize : size of new buffer
+ * @return
+ */
+ void ChangeBufferSizeL( const TSize aBufferSize );
+
+ // Group opacity methods
+ void BindToImageL();
+ void UnbindFromImageL( TReal32 aOpacity );
+
+ void BindToMediaImageL(TInt aWidth, TInt aHeigth);
+ void UnbindFromMediaImageL(const TGfxAffineTransform& aAffineTransform,TReal32 aOpacity,TInt aWidth, TInt aHeight, TInt aDraw );
+ void SetClipMediaElement( TSize aSize );
+ void GetMatrix(TReal32 * m);
+ void SetBitmapHeader(const TDesC* aHeaderData);
+ /**
+ * Get the NVG-TLV data
+ *
+ * @since 1.0
+ * @return : pointer to the NVG-TLV data
+ */
+ const TPtrC8 TLVEncodedData() const;
+ private:
+
+ /**
+ * Constructor
+ */
+ CGfx2dGcOpenVG( TBool aIsMainContext );
+ /**
+
+ /**
+ * Constructor
+ */
+ CGfx2dGcOpenVG();
+
+ /**
+ * Two-phase constructor
+ */
+ void ConstructL(const TSize aBufferSize, TFontSpec& aFontSpec, CSvgBitmapFontProvider* aSvgBitmapFontProvider);
+
+ /**
+
+ * Constructor NGA with the renderer selector parameter
+
+ */
+
+ void ConstructL(const TSize aBufferSize, TFontSpec& aFontSpec, CSvgBitmapFontProvider* aSvgBitmapFontProvider,SVGRendererId aRendererType);
+
+ /**
+ * Perform the drawing operations of the given shape.
+ *
+ * @since 1.0
+ * @param aShape : shape to draw
+ * @return
+ */
+ void DoDrawL( MGfxShape* aShape );
+
+ void PseudoDoDrawL( MGfxShape* aShape );
+
+ /**
+ * Destroy the OpenVG context and delete the 32-bit intermediate color buffer
+ *
+ * @since 1.0
+ * @return
+ */
+ void DestroyContext();
+ /**
+ * Converts OpenVG Errors into Symbian error codes
+ *
+ * @since
+ * @return TInt
+ */
+ TInt OpenVGErrorToSymbianError( TInt aError );
+
+ void ApplyTransform( TGfxAffineTransform& aAffineTransform );
+ void ApplyTransformMediaElement(const TGfxAffineTransform& aAffineTransform,TSize& aSize );
+
+ VGbitfield SetFillStroke(VGPaint aFillPaint, VGPaint aStrokePaint, TGfxRectangle2D& bBox);
+
+ VGImage CreateVGImage( void* aBuffer, TSize aSize, TDisplayMode aDisplayMode, TBool aPreMultiplied = ETrue );
+
+ // This is for work-around for OpenVG to simulate multiple contexts
+ void SetupContextL();
+ void Flush();
+ /**
+ * Sets the Paint,Stroke and Path handle back to VG_INVALID_HANDLE
+ *
+ * @since
+ * @return void
+ */
+ void ResetContextHandle();
+ //To find the bounding box for system text..
+ TGfxRectangle2D GetBBoxForSystemText( const TDesC& aText,
+ TFloatFixPt aX,
+ TFloatFixPt aY );
+
+ TGfxRectangle2D GetTRect(TGfxPoint2D lTransTopLeftCorner,
+ TGfxPoint2D lTransTopRightCorner,
+ TGfxPoint2D lTransBottomLeftCorner,
+ TGfxPoint2D lTransBottomRightCorner);
+
+ // Method to handle cleanup (turning off settings, such as dasharray) for efficiency.
+ void PostDraw();
+
+ private:
+ // 32-bit buffer for OpenVG to draw to
+ // Color conversion/copy to Symbian bitmap is needed as final step
+ TSize iColorBufferSize;
+
+ TGfxRectangle2D iClip;
+ MGfxPaint* iFillColor;
+ TFloatFixPt iFillOpacity;
+ TFloatFixPt iScale;
+ TGfxStroke iStroke;
+ TGfxAffineTransform iTransform;
+ TGfxColor iStrokeColor;
+ TFloatFixPt iStrokeOpacity;
+ TGfxColor iBackgroundColor;
+ CFont* iFont;
+ CArrayFix<VGfloat>* iDashArray;
+ TFloatFixPt iDashOffset;
+ TFloatFixPt iFontSize;
+ TInt32 iFontWeight;
+ TInt32 iFontStyle;
+ CDesCArrayFlat* iFamilies;
+ TInt32 iTextAnchor;
+ TInt32 iTextDecoration;
+ TGfxRendererInfoP iRenderInfo;
+
+ // Flag used for using CFbsBitmap::DataAddress() instead of allocating
+ // TInt32 array to draw shapes.
+ TFontSpec iFontSpec;
+ //OpenVG stuff
+
+ TDisplayMode iDisplayMode;
+ TBool iGraphicsContextCreated;
+ TBool iIsMainContext;
+
+ VGPaint iFillPaint;
+ VGPaint iStrokePaint;
+ VGPath iPath;
+
+ RArray<VGImage> iGroupOpacityImages;
+ RPointerArray<TUint32> iGroupOpacityBuffers;
+
+ VGubyte* iPathSegmentTypes;
+ TInt iPathSegmentTypeCount;
+ TGfxRectangle2D iClipMain;
+ TSize iColorBufferSizeMain;
+ TInt32 iRenderQuality;
+
+ CVGRenderer * iVgRenderer;
+
+ CVGSurface * iVgSurface;
+
+ SVGRendererId iCurrentRendererType;
+ };
+
+#endif // GFX2DGCOPENVG_H