Interface GraphicsPainter
- All Known Implementing Classes:
PDFGraphicsPainter,PSGraphicsPainter
public interface GraphicsPainter
Used primarily by
BorderPainter, implementations are created for rendering
primitive graphical operations.-
Method Summary
Modifier and TypeMethodDescriptionvoidarcTo(double startAngle, double endAngle, int cx, int cy, int width, int height) Draws an arc on the ellipse centered at (cx, cy) with width width and height height from start angle startAngle (with respect to the x-axis counter-clockwise) to the end angle endAngle.voidclip()Reduces the current clipping region to the current path.voidCloses the current path.voiddrawBorderLine(int x1, int y1, int x2, int y2, boolean horz, boolean startOrBefore, int style, Color color) Draws a border line.voidDraws a line/rule.voidlineTo(int x, int y) Draws a line from the current cursor position to the given coordinates.voidmoveTo(int x, int y) Moves the cursor to the given coordinate.voidRestore the last graphics state from the stack.voidrotateCoordinates(double angle) Rotate the coordinate framevoidSave the graphics state on the stack.voidscaleCoordinates(float xScale, float yScale) Scale the coordinate framevoidtranslateCoordinates(int xTranslate, int yTranslate) Translate the coordinate frame
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Method Details
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drawBorderLine
void drawBorderLine(int x1, int y1, int x2, int y2, boolean horz, boolean startOrBefore, int style, Color color) throws IOException Draws a border line.- Parameters:
x1- X coordinate of the upper left corner of the line's bounding rectangle (in millipoints)y1- start Y coordinate of the upper left corner of the line's bounding rectangle (in millipoints)x2- end X coordinate of the lower right corner of the line's bounding rectangle (in millipoints)y2- end y coordinate of the lower right corner of the line's bounding rectangle (in millipoints)horz- true if it is a horizontal linestartOrBefore- true if the line is the start or end edge of a border boxstyle- the border stylecolor- the border color- Throws:
IOException- if an I/O error occurs
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drawLine
Draws a line/rule.- Parameters:
start- start point (coordinates in millipoints)end- end point (coordinates in millipoints)width- width of the linecolor- the line colorstyle- the rule style- Throws:
IOException- if an I/O error occurs
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moveTo
Moves the cursor to the given coordinate.- Parameters:
x- the X coordinate (in millipoints)y- the Y coordinate (in millipoints)- Throws:
IOException- if an I/O error occurs
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lineTo
Draws a line from the current cursor position to the given coordinates.- Parameters:
x- the X coordinate (in millipoints)y- the Y coordinate (in millipoints)- Throws:
IOException- if an I/O error occurs
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arcTo
void arcTo(double startAngle, double endAngle, int cx, int cy, int width, int height) throws IOException Draws an arc on the ellipse centered at (cx, cy) with width width and height height from start angle startAngle (with respect to the x-axis counter-clockwise) to the end angle endAngle. The ellipses major axis are assumed to coincide with the coordinate axis. The current position MUST coincide with the starting position on the ellipse.- Parameters:
startAngle- the start angleendAngle- the end anglecx- the x coordinate of the ellipse centercy- the y coordinate of the ellipse centerwidth- the extent of the ellipse in the x directionheight- the extent of the ellipse in the y direction- Throws:
IOException- if an I/O error occurs
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rotateCoordinates
Rotate the coordinate frame- Parameters:
angle- angle in radians to rotate the coordinate frame- Throws:
IOException- if an I/O error occurs
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translateCoordinates
Translate the coordinate frame- Parameters:
xTranslate- translation in the x directionyTranslate- translation in the y direction- Throws:
IOException- if an I/O error occurs
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scaleCoordinates
Scale the coordinate frame- Parameters:
xScale- scale factor in the x directionyScale- scale factor in the y direction- Throws:
IOException- if an I/O error occurs
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closePath
Closes the current path.- Throws:
IOException- if an I/O error occurs
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clip
Reduces the current clipping region to the current path.- Throws:
IOException- if an I/O error occurs
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saveGraphicsState
Save the graphics state on the stack.- Throws:
IOException- if an I/O error occurs
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restoreGraphicsState
Restore the last graphics state from the stack.- Throws:
IOException- if an I/O error occurs
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