本文整理匯總了Java中java.awt.CompositeContext.compose方法的典型用法代碼示例。如果您正苦於以下問題：Java CompositeContext.compose方法的具體用法？Java CompositeContext.compose怎麽用？Java CompositeContext.compose使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類java.awt.CompositeContext的用法示例。
在下文中一共展示了CompositeContext.compose方法的4個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Java代碼示例。
示例1: Blit
import java.awt.CompositeContext; //導入方法依賴的package包/類
public void Blit(SurfaceData srcData,
SurfaceData dstData,
Composite comp,
Region clip,
int srcx, int srcy,
int dstx, int dsty,
int width, int height)
{
ColorModel srcCM = srcData.getColorModel();
ColorModel dstCM = dstData.getColorModel();
// REMIND: Should get RenderingHints from sg2d
CompositeContext ctx = comp.createContext(srcCM, dstCM,
new RenderingHints(null));
Raster srcRas = srcData.getRaster(srcx, srcy, width, height);
WritableRaster dstRas =
(WritableRaster) dstData.getRaster(dstx, dsty, width, height);
if (clip == null) {
clip = Region.getInstanceXYWH(dstx, dsty, width, height);
}
int span[] = {dstx, dsty, dstx+width, dsty+height};
SpanIterator si = clip.getSpanIterator(span);
srcx -= dstx;
srcy -= dsty;
while (si.nextSpan(span)) {
int w = span[2] - span[0];
int h = span[3] - span[1];
Raster tmpSrcRas = srcRas.createChild(srcx + span[0], srcy + span[1],
w, h, 0, 0, null);
WritableRaster tmpDstRas = dstRas.createWritableChild(span[0], span[1],
w, h, 0, 0, null);
ctx.compose(tmpSrcRas, tmpDstRas, tmpDstRas);
}
ctx.dispose();
}
示例2: Blit
import java.awt.CompositeContext; //導入方法依賴的package包/類
public void Blit(SurfaceData srcData,
SurfaceData dstData,
Composite comp,
Region clip,
int srcx, int srcy,
int dstx, int dsty,
int width, int height)
{
ColorModel srcCM = srcData.getColorModel();
ColorModel dstCM = dstData.getColorModel();
// REMIND: Should get RenderingHints from sg2d
CompositeContext ctx = comp.createContext(srcCM, dstCM,
new RenderingHints(null));
Raster srcRas = srcData.getRaster(srcx, srcy, width, height);
WritableRaster dstRas =
(WritableRaster) dstData.getRaster(dstx, dsty, width, height);
if (clip == null) {
clip = Region.getInstanceXYWH(dstx, dsty, width, height);
}
int span[] = {dstx, dsty, dstx+width, dsty+height};
SpanIterator si = clip.getSpanIterator(span);
srcx -= dstx;
srcy -= dsty;
while (si.nextSpan(span)) {
int w = span[2] - span[0];
int h = span[3] - span[1];
srcRas = srcRas.createChild(srcx + span[0], srcy + span[1],
w, h, 0, 0, null);
dstRas = dstRas.createWritableChild(span[0], span[1],
w, h, 0, 0, null);
ctx.compose(srcRas, dstRas, dstRas);
}
ctx.dispose();
}
示例3: renderScanline
import java.awt.CompositeContext; //導入方法依賴的package包/類
/**
* Paints a scanline between x0 and x1. Override this when your backend
* can efficiently draw/fill horizontal lines.
*
* @param x0 the left offset
* @param x1 the right offset
* @param y the scanline
*/
public void renderScanline(int y, ScanlineCoverage c)
{
PaintContext pCtx = getPaintContext();
int x0 = c.getMinX();
int x1 = c.getMaxX();
Raster paintRaster = pCtx.getRaster(x0, y, x1 - x0, 1);
// Do the anti aliasing thing.
float coverageAlpha = 0;
float maxCoverage = c.getMaxCoverage();
ColorModel cm = pCtx.getColorModel();
DataBuffer db = paintRaster.getDataBuffer();
Point loc = new Point(paintRaster.getMinX(), paintRaster.getMinY());
SampleModel sm = paintRaster.getSampleModel();
WritableRaster writeRaster = Raster.createWritableRaster(sm, db, loc);
WritableRaster alphaRaster = cm.getAlphaRaster(writeRaster);
int pixel;
ScanlineCoverage.Iterator iter = c.iterate();
while (iter.hasNext())
{
ScanlineCoverage.Range range = iter.next();
coverageAlpha = range.getCoverage() / maxCoverage;
if (coverageAlpha < 1.0)
{
for (int x = range.getXPos(); x < range.getXPosEnd(); x++)
{
pixel = alphaRaster.getSample(x, y, 0);
pixel = (int) (pixel * coverageAlpha);
alphaRaster.setSample(x, y, 0, pixel);
}
}
}
ColorModel paintColorModel = pCtx.getColorModel();
CompositeContext cCtx = composite.createContext(paintColorModel,
getColorModel(),
renderingHints);
WritableRaster raster = getDestinationRaster();
WritableRaster targetChild = raster.createWritableTranslatedChild(-x0, -y);
cCtx.compose(paintRaster, targetChild, targetChild);
updateRaster(raster, x0, y, x1 - x0, 1);
cCtx.dispose();
}
示例4: renderScanline
import java.awt.CompositeContext; //導入方法依賴的package包/類
/**
* Paints a scanline between x0 and x1. Override this when your backend
* can efficiently draw/fill horizontal lines.
*
* @param x0 the left offset
* @param x1 the right offset
* @param y the scanline
*/
public void renderScanline(int y, ScanlineCoverage c)
{
PaintContext pCtx = getPaintContext();
int x0 = c.getMinX();
int x1 = c.getMaxX();
Raster paintRaster = pCtx.getRaster(x0, y, x1 - x0, 1);
// Do the anti aliasing thing.
float coverageAlpha = 0;
float maxCoverage = c.getMaxCoverage();
ColorModel cm = pCtx.getColorModel();
DataBuffer db = paintRaster.getDataBuffer();
Point loc = new Point(paintRaster.getMinX(), paintRaster.getMinY());
SampleModel sm = paintRaster.getSampleModel();
WritableRaster writeRaster = Raster.createWritableRaster(sm, db, loc);
WritableRaster alphaRaster = cm.getAlphaRaster(writeRaster);
int pixel;
ScanlineCoverage.Iterator iter = c.iterate();
while (iter.hasNext())
{
ScanlineCoverage.Range range = iter.next();
coverageAlpha = range.getCoverage() / maxCoverage;
if (coverageAlpha < 1.0)
{
for (int x = range.getXPos(); x < range.getXPosEnd(); x++)
{
pixel = alphaRaster.getSample(x, y, 0);
pixel = (int) (pixel * coverageAlpha);
alphaRaster.setSample(x, y, 0, pixel);
}
}
}
ColorModel paintColorModel = pCtx.getColorModel();
CompositeContext cCtx = composite.createContext(paintColorModel,
getColorModel(),
renderingHints);
WritableRaster raster = getDestinationRaster();
WritableRaster targetChild = raster.createWritableTranslatedChild(-x0, -y);
cCtx.compose(paintRaster, targetChild, targetChild);
updateRaster(raster, x0, y, x1 - x0, 1);
cCtx.dispose();
}