com.myscript.iink.graphics

Interface ICanvas2

All Superinterfaces:

ICanvas

public interface ICanvas2
extends ICanvas

The ICanvas interface receives drawing commands. This version of the interface adds new functions introduced in version 1.4

Since:

1.4

Method Summary

Modifier and Type	Method and Description
void	blendOffscreen(int id, float src_x, float src_y, float src_width, float src_height, float dest_x, float dest_y, float dest_width, float dest_height, Color blend_color) Requests drawing of an offscreen surface (usually a bitmap).
void	endDraw() Indicates that a drawing session ends.
void	startDraw(int x, int y, int width, int height) Indicates that a drawing session starts, on a given area.

Methods inherited from interface com.myscript.iink.graphics.ICanvas

createPath, drawLine, drawObject, drawPath, drawRectangle, drawText, endGroup, endItem, getTransform, setFillColor, setFillRule, setFontProperties, setStrokeColor, setStrokeDashArray, setStrokeDashOffset, setStrokeLineCap, setStrokeLineJoin, setStrokeMiterLimit, setStrokeWidth, setTransform, startGroup, startItem

Method Detail

startDraw

void startDraw(int x,
               int y,
               int width,
               int height)

Indicates that a drawing session starts, on a given area. Provided area must be cleared within this call.

Parameters:

x - the x coordinate of the top left point of the drawing area.

y - the y coordinate of the top left point of the drawing area.

width - the width of the drawing area.

height - the height of the drawing area.

Since:

1.4

endDraw

void endDraw()

Indicates that a drawing session ends.

Since:

1.4

blendOffscreen

void blendOffscreen(int id,
                    float src_x,
                    float src_y,
                    float src_width,
                    float src_height,
                    float dest_x,
                    float dest_y,
                    float dest_width,
                    float dest_height,
                    Color blend_color)

Requests drawing of an offscreen surface (usually a bitmap).

Parameters:

id - the identifier of the surface.

src_x - minimal x coordinate of the offscreen surface.

src_y - minimal y coordinate of the offscreen surface.

src_width - maximal x coordinate of the offscreen surface.

src_height - maximal y coordinate of the offscreen surface.

dest_x - minimal x coordinate where to draw this offscreen surface.

dest_y - minimal y coordinate where to draw this offscreen surface.

dest_width - maximal x coordinate where to draw this offscreen surface.

dest_height - maximal y coordinate where to draw this offscreen surface.

blend_color - The color used for the blending operation

Since:

1.4