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java polygon 用法_Java Polygon.getBounds方法代码示例

發布時間:2023/12/15 java 20 豆豆
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import java.awt.Polygon; //導入方法依賴的package包/類

private SelectionShape translatePointsToRealSize(SelectionShape selectionPoint)

{

float resultH = (float) this.glitchArt.realHeight / this.glitchArt.lblImageRender.getHeight();

float resultW = (float) this.glitchArt.realWidth / this.glitchArt.lblImageRender.getWidth();

if(selectionPoint.getSelectionType() == SelectionTypes.FREEHAND && selectionPoint.isFreeHandSelectionConnected())

{

for(Point freeHandPoint: selectionPoint.getFreeHandSelectionPointList())

{

selectionPoint.addTranslatedFreeHandPoint(new Point(Math.round(freeHandPoint.x * resultW), Math.round(freeHandPoint.y * resultH)));

}

Polygon polygon = getPolygonFromPoints(selectionPoint.getFreeHandTranslatedSelectionPointList());

Rectangle boundedRegion = polygon.getBounds();

if(boundedRegion.height > this.glitchArt.realHeight - 1)

{

boundedRegion.height = this.glitchArt.realHeight - 1;

}

if(boundedRegion.y < 0)

{

boundedRegion.y = 0;

}

selectionPoint.setTranslatedRectangle(boundedRegion);

selectionPoint.setTranslatedPolygon(polygon);

}

else if(selectionPoint.getSelectionType() == SelectionTypes.RECTANGLE)

{

Point startPoint = new Point(Math.round(selectionPoint.getStartPoint().x * resultW), Math.round(selectionPoint.getStartPoint().y * resultW));

Point endPoint = new Point(Math.round(selectionPoint.getEndPoint().x * resultH), Math.round(selectionPoint.getEndPoint().y * resultH));

Rectangle selectionRectangle= new Rectangle(startPoint);

selectionRectangle.add(endPoint);

selectionPoint.setTranslatedRectangle(selectionRectangle);

}

return selectionPoint;

}

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