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Java Source Code / Java Documentation » 6.0 JDK Modules » j2me » com.sun.perseus.j2d   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    com.sun.perseus.j2d.RenderContext All known Subclasses:   com.sun.perseus.j2d.PiscesRenderGraphics, RenderContext public class RenderContext implements TextRenderingProperties(Code) com.sun.perseus.model.ModelNode ModelNode are rendered into a RenderGraphics RenderGraphics which extends the RenderContext class. A RenderContext captures the current state of the properties used in painting operations. When a ModelNode tree is rendered, the RenderGraphics is passed down the tree to children nodes as they are painted. This provides the solution for computing CSS inherited values: if a ModelNode inherits one of its properties, it will simply use the one currently set in the RenderContext. Initially (i.e., before any painting operation happens), the RenderContext holds values which correspond to the CSS 2 concept of initial values. At any time during a rendering operation, the RenderContext holds values which correspond to the CSS 2 computed values. Note that in addition to properties that correspond to CSS2 properties, the RenderContext also keeps an AffineTransform which is not a CSS2 property. The transform represents the current user space to device space transformation. See Also:   com.sun.perseus.model.ModelNode See Also:   com.sun.perseus.model.ElementNode.paint version:    $Id: RenderContext.java,v 1.5 2006/04/21 06:35:38 st125089 Exp $ Field Summary final protected static  int CAP_BUTT_IMPL      final protected static  int CAP_ROUND_IMPL      final protected static  int CAP_SQUARE_IMPL      final protected static  int DISPLAY_MASK      final protected static  int FILL_OPACITY_MASK      final protected static  int FILL_RULE_MASK      final protected static  int FONT_STYLE_ITALIC_IMPL      final protected static  int FONT_STYLE_MASK      final protected static  int FONT_STYLE_NORMAL_IMPL      final protected static  int FONT_STYLE_OBLIQUE_IMPL      final protected static  int FONT_WEIGHT_100_IMPL      final protected static  int FONT_WEIGHT_200_IMPL      final protected static  int FONT_WEIGHT_300_IMPL      final protected static  int FONT_WEIGHT_400_IMPL      final protected static  int FONT_WEIGHT_500_IMPL      final protected static  int FONT_WEIGHT_600_IMPL      final protected static  int FONT_WEIGHT_700_IMPL      final protected static  int FONT_WEIGHT_800_IMPL      final protected static  int FONT_WEIGHT_900_IMPL      final protected static  int FONT_WEIGHT_MASK      final protected static  int INITIAL_DISPLAY_IMPL      final protected static  int INITIAL_FILL_OPACITY_IMPL      final protected static  int INITIAL_FILL_RULE_IMPL      final protected static  int INITIAL_FONT_STYLE_IMPL      final protected static  int INITIAL_FONT_WEIGHT_IMPL      final protected static  int INITIAL_OPACITY_IMPL      final protected static  int INITIAL_PACK      final protected static  int INITIAL_PACK2      protected static  int[] INITIAL_STROKE_DASH_ARRAY_IMPL      protected static  int INITIAL_STROKE_DASH_OFFSET_IMPL      final protected static  int INITIAL_STROKE_LINE_CAP_IMPL      final protected static  int INITIAL_STROKE_LINE_JOIN_IMPL      protected static  int INITIAL_STROKE_MITER_LIMIT_IMPL      final protected static  int INITIAL_STROKE_OPACITY_IMPL      protected static  int INITIAL_STROKE_WIDTH_IMPL      final protected static  int INITIAL_TEXT_ANCHOR_IMPL      final protected static  int INITIAL_VISIBILITY_IMPL      final protected static  int JOIN_BEVEL_IMPL      final protected static  int JOIN_MITER_IMPL      final protected static  int JOIN_ROUND_IMPL      final protected static  int OPACITY_MASK      final protected static  int STROKE_LINE_CAP_MASK      final protected static  int STROKE_LINE_JOIN_MASK      final protected static  int STROKE_OPACITY_MASK      final protected static  int TEXT_ANCHOR_END_IMPL      final protected static  int TEXT_ANCHOR_MASK      final protected static  int TEXT_ANCHOR_MIDDLE_IMPL      final protected static  int TEXT_ANCHOR_START_IMPL      final protected static  int VISIBILITY_MASK      protected  RGB color      Context Color. protected  PaintServer fill      protected  String[] fontFamily      Controls the current font family. protected  float fontSize      protected  int pack      protected  int pack2      protected  PaintServer stroke      protected  int[] strokeDashArray      Controls the strokeDash pattern for stroke operations. protected  int strokeDashOffset      Controls the offset in the dash array for stroke operations. protected  int strokeMiterLimit      Controls the miter limit for stroke operations. protected  int strokeWidth      Controls the width of the stroke. Constructor Summary public   RenderContext()      public   RenderContext(RenderContext rcs)      Copy constructor Parameters:   rcs - the RenderContext to copy values from. Method Summary  int computeStrokeDashOffset()      public  RGB getColor()      public  boolean getDisplay()      public  PaintServer getFill()      public  float getFillOpacity()       int getFillOpacityImpl()      public  int getFillRule()      public  String[] getFontFamily()      public  float getFontSize()      public  int getFontStyle()      public  int getFontWeight()      public  float getOpacity()       int getOpacityImpl()      public  PaintServer getStroke()      public  float[] getStrokeDashArray()      public  float getStrokeDashOffset()      public  int getStrokeLineCap()      public  int getStrokeLineJoin()      public  float getStrokeMiterLimit()      public  float getStrokeOpacity()      public  int getStrokeOpacityImpl()      public  float getStrokeWidth()      public  int getTextAnchor()      public  boolean getVisibility()      public  void reset()      public  void restore(RenderContext rcs)      Parameters:   rcs - the RenderContext state to restore. public  RenderContext save()      public  void setColor(RGB newColor)      public  void setDisplay(boolean newDisplay)      public  void setFill(PaintServer newFill)      public  void setFillOpacity(float newFillOpacity)      Parameters:   newFillOpacity - the new value for the fill opacity property. public  void setFillRule(int newFillRule)      public  void setFontFamily(String[] newFontFamily)      public  void setFontSize(float newFontSize)      public  void setFontStyle(int newFontStyle)      public  void setFontWeight(int newFontWeight)      public  void setOpacity(float newOpacity)      Parameters:   newOpacity - the new value for the opacity property. public  void setStroke(PaintServer newStroke)      public  void setStrokeDashArray(float[] newStrokeDashArray)      public  void setStrokeDashOffset(float newStrokeDashOffset)      public  void setStrokeLineCap(int newStrokeLineCap)      public  void setStrokeLineJoin(int newStrokeLineJoin)      public  void setStrokeMiterLimit(float newStrokeMiterLimit)      public  void setStrokeOpacity(float newStrokeOpacity)      public  void setStrokeWidth(float newStrokeWidth)      public  void setTextAnchor(int newTextAnchor)      public  void setVisibility(boolean newVisibility)      Field Detail CAP_BUTT_IMPL final protected static int CAP_BUTT_IMPL(Code) CAP_ROUND_IMPL final protected static int CAP_ROUND_IMPL(Code) CAP_SQUARE_IMPL final protected static int CAP_SQUARE_IMPL(Code) DISPLAY_MASK final protected static int DISPLAY_MASK(Code) FILL_OPACITY_MASK final protected static int FILL_OPACITY_MASK(Code) FILL_RULE_MASK final protected static int FILL_RULE_MASK(Code) FONT_STYLE_ITALIC_IMPL final protected static int FONT_STYLE_ITALIC_IMPL(Code) FONT_STYLE_MASK final protected static int FONT_STYLE_MASK(Code) FONT_STYLE_NORMAL_IMPL final protected static int FONT_STYLE_NORMAL_IMPL(Code) FONT_STYLE_OBLIQUE_IMPL final protected static int FONT_STYLE_OBLIQUE_IMPL(Code) FONT_WEIGHT_100_IMPL final protected static int FONT_WEIGHT_100_IMPL(Code) FONT_WEIGHT_200_IMPL final protected static int FONT_WEIGHT_200_IMPL(Code) FONT_WEIGHT_300_IMPL final protected static int FONT_WEIGHT_300_IMPL(Code) FONT_WEIGHT_400_IMPL final protected static int FONT_WEIGHT_400_IMPL(Code) FONT_WEIGHT_500_IMPL final protected static int FONT_WEIGHT_500_IMPL(Code) FONT_WEIGHT_600_IMPL final protected static int FONT_WEIGHT_600_IMPL(Code) FONT_WEIGHT_700_IMPL final protected static int FONT_WEIGHT_700_IMPL(Code) FONT_WEIGHT_800_IMPL final protected static int FONT_WEIGHT_800_IMPL(Code) FONT_WEIGHT_900_IMPL final protected static int FONT_WEIGHT_900_IMPL(Code) FONT_WEIGHT_MASK final protected static int FONT_WEIGHT_MASK(Code) INITIAL_DISPLAY_IMPL final protected static int INITIAL_DISPLAY_IMPL(Code) INITIAL_FILL_OPACITY_IMPL final protected static int INITIAL_FILL_OPACITY_IMPL(Code) INITIAL_FILL_RULE_IMPL final protected static int INITIAL_FILL_RULE_IMPL(Code) INITIAL_FONT_STYLE_IMPL final protected static int INITIAL_FONT_STYLE_IMPL(Code) INITIAL_FONT_WEIGHT_IMPL final protected static int INITIAL_FONT_WEIGHT_IMPL(Code) INITIAL_OPACITY_IMPL final protected static int INITIAL_OPACITY_IMPL(Code) INITIAL_PACK final protected static int INITIAL_PACK(Code) INITIAL_PACK2 final protected static int INITIAL_PACK2(Code) INITIAL_STROKE_DASH_ARRAY_IMPL protected static int[] INITIAL_STROKE_DASH_ARRAY_IMPL(Code) Default dash array INITIAL_STROKE_DASH_OFFSET_IMPL protected static int INITIAL_STROKE_DASH_OFFSET_IMPL(Code) Default dash offset INITIAL_STROKE_LINE_CAP_IMPL final protected static int INITIAL_STROKE_LINE_CAP_IMPL(Code) INITIAL_STROKE_LINE_JOIN_IMPL final protected static int INITIAL_STROKE_LINE_JOIN_IMPL(Code) INITIAL_STROKE_MITER_LIMIT_IMPL protected static int INITIAL_STROKE_MITER_LIMIT_IMPL(Code) Default miter limit INITIAL_STROKE_OPACITY_IMPL final protected static int INITIAL_STROKE_OPACITY_IMPL(Code) INITIAL_STROKE_WIDTH_IMPL protected static int INITIAL_STROKE_WIDTH_IMPL(Code) Default stroke width INITIAL_TEXT_ANCHOR_IMPL final protected static int INITIAL_TEXT_ANCHOR_IMPL(Code) INITIAL_VISIBILITY_IMPL final protected static int INITIAL_VISIBILITY_IMPL(Code) JOIN_BEVEL_IMPL final protected static int JOIN_BEVEL_IMPL(Code) JOIN_MITER_IMPL final protected static int JOIN_MITER_IMPL(Code) JOIN_ROUND_IMPL final protected static int JOIN_ROUND_IMPL(Code) OPACITY_MASK final protected static int OPACITY_MASK(Code) STROKE_LINE_CAP_MASK final protected static int STROKE_LINE_CAP_MASK(Code) STROKE_LINE_JOIN_MASK final protected static int STROKE_LINE_JOIN_MASK(Code) STROKE_OPACITY_MASK final protected static int STROKE_OPACITY_MASK(Code) TEXT_ANCHOR_END_IMPL final protected static int TEXT_ANCHOR_END_IMPL(Code) TEXT_ANCHOR_MASK final protected static int TEXT_ANCHOR_MASK(Code) TEXT_ANCHOR_MIDDLE_IMPL final protected static int TEXT_ANCHOR_MIDDLE_IMPL(Code) TEXT_ANCHOR_START_IMPL final protected static int TEXT_ANCHOR_START_IMPL(Code) VISIBILITY_MASK final protected static int VISIBILITY_MASK(Code) color protected RGB color(Code) Context Color. Corresponds to the concept of 'current color' in CSS fill protected PaintServer fill(Code) Color used for fill operations fontFamily protected String[] fontFamily(Code) Controls the current font family. The font family is a list, which means that a set of fonts may be used to render a given text string. The fonts are queried in order to check which ones can render characters in the drawn text. fontSize protected float fontSize(Code) Controls the current font size pack protected int pack(Code) pack2 protected int pack2(Code) stroke protected PaintServer stroke(Code) Color used for fill operations strokeDashArray protected int[] strokeDashArray(Code) Controls the strokeDash pattern for stroke operations. If the array is null, a solid line is used strokeDashOffset protected int strokeDashOffset(Code) Controls the offset in the dash array for stroke operations. 15.16 format. strokeMiterLimit protected int strokeMiterLimit(Code) Controls the miter limit for stroke operations. 15.16 format. strokeWidth protected int strokeWidth(Code) Controls the width of the stroke. 15.16 format. Constructor Detail RenderContext public RenderContext()(Code) Default constructor RenderContext public RenderContext(RenderContext rcs)(Code) Copy constructor Parameters:   rcs - the RenderContext to copy values from. Shouldnot be null. Method Detail computeStrokeDashOffset int computeStrokeDashOffset()(Code) Implemnetation: Handles negative strokeDashOffset a positive strokeDashOffset. getColor public RGB getColor()(Code) the context's color property value getDisplay public boolean getDisplay()(Code) the context' display property value getFill public PaintServer getFill()(Code) the context's fill property value getFillOpacity public float getFillOpacity()(Code) the context's fill opacity property value getFillOpacityImpl int getFillOpacityImpl()(Code) the context's fill opacity property value getFillRule public int getFillRule()(Code) the context's fill rule property value getFontFamily public String[] getFontFamily()(Code) the context's set of font families getFontSize public float getFontSize()(Code) the context's font size property getFontStyle public int getFontStyle()(Code) the context's font style property value getFontWeight public int getFontWeight()(Code) the current context's font weight property getOpacity public float getOpacity()(Code) the context's opacity property value getOpacityImpl int getOpacityImpl()(Code) the context's opacity property value getStroke public PaintServer getStroke()(Code) the context's stroke property value getStrokeDashArray public float[] getStrokeDashArray()(Code) the context's stroke dash array property value getStrokeDashOffset public float getStrokeDashOffset()(Code) the context's stroke dash offset property getStrokeLineCap public int getStrokeLineCap()(Code) the context's stroke line cap property value getStrokeLineJoin public int getStrokeLineJoin()(Code) the context's stroke line join property value getStrokeMiterLimit public float getStrokeMiterLimit()(Code) the context's stroke miter limit property value getStrokeOpacity public float getStrokeOpacity()(Code) the context's stroke opacity property value getStrokeOpacityImpl public int getStrokeOpacityImpl()(Code) the context's stroke opacity property value getStrokeWidth public float getStrokeWidth()(Code) the context's stroke width property value getTextAnchor public int getTextAnchor()(Code) the text anchor property getVisibility public boolean getVisibility()(Code) the context's visibility reset public void reset()(Code) Resets context to initial values restore public void restore(RenderContext rcs)(Code) Parameters:   rcs - the RenderContext state to restore. Shouldnot be null. save public RenderContext save()(Code) a copy of this RenderContext setColor public void setColor(RGB newColor)(Code) Parameters:   newColor - the new value for the color property setDisplay public void setDisplay(boolean newDisplay)(Code) Parameters:   newDisplay - the new value for the display property setFill public void setFill(PaintServer newFill)(Code) Parameters:   newFill - the new value for the fill property setFillOpacity public void setFillOpacity(float newFillOpacity)(Code) Parameters:   newFillOpacity - the new value for the fill opacity property. The input value is clamped to the [0, 1] range. setFillRule public void setFillRule(int newFillRule)(Code) Parameters:   newFillRule - the new value for the fill rule property setFontFamily public void setFontFamily(String[] newFontFamily)(Code) Parameters:   newFontFamily - the new set of font families to use for fontmatching. setFontSize public void setFontSize(float newFontSize)(Code) Parameters:   newFontSize - the new value for the font size property setFontStyle public void setFontStyle(int newFontStyle)(Code) Parameters:   newFontStyle - the new value for the font style property setFontWeight public void setFontWeight(int newFontWeight)(Code) Parameters:   newFontWeight - new font weight property value setOpacity public void setOpacity(float newOpacity)(Code) Parameters:   newOpacity - the new value for the opacity property. The input value is clamped to the [0, 1] range. Parameters:   newOpacity - the new opacity value to set setStroke public void setStroke(PaintServer newStroke)(Code) Parameters:   newStroke - the new value for the stroke property setStrokeDashArray public void setStrokeDashArray(float[] newStrokeDashArray)(Code) Parameters:   newStrokeDashArray - the new stroke dash array property value setStrokeDashOffset public void setStrokeDashOffset(float newStrokeDashOffset)(Code) Parameters:   newStrokeDashOffset - the new stroke dash offset property value setStrokeLineCap public void setStrokeLineCap(int newStrokeLineCap)(Code) Parameters:   newStrokeLineCap - the new stroke line cap property value setStrokeLineJoin public void setStrokeLineJoin(int newStrokeLineJoin)(Code) Parameters:   newStrokeLineJoin - the new stroke line join property value setStrokeMiterLimit public void setStrokeMiterLimit(float newStrokeMiterLimit)(Code) Parameters:   newStrokeMiterLimit - the new stroke miter limit property value setStrokeOpacity public void setStrokeOpacity(float newStrokeOpacity)(Code) Parameters:   newStrokeOpacity - the new value for the stroke opacity property.The input value is clamped to the [0, 1] range. setStrokeWidth public void setStrokeWidth(float newStrokeWidth)(Code) Parameters:   newStrokeWidth - the new stroke width property value setTextAnchor public void setTextAnchor(int newTextAnchor)(Code) Parameters:   newTextAnchor - the new text anchor property value setVisibility public void setVisibility(boolean newVisibility)(Code) Parameters:   newVisibility - the new visibility property value Methods inherited from java.lang.Object public boolean equals(Object obj)(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)