本文整理汇总了Java中sun.awt.image.SurfaceManager.getImageScale方法的典型用法代码示例。如果您正苦于以下问题：Java SurfaceManager.getImageScale方法的具体用法？Java SurfaceManager.getImageScale怎么用？Java SurfaceManager.getImageScale使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类sun.awt.image.SurfaceManager的用法示例。
在下文中一共展示了SurfaceManager.getImageScale方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: drawHiDPIImage
import sun.awt.image.SurfaceManager; //导入方法依赖的package包/类
private boolean drawHiDPIImage(Image img, int dx1, int dy1, int dx2,
int dy2, int sx1, int sy1, int sx2, int sy2,
Color bgcolor, ImageObserver observer) {
final int scale = SurfaceManager.getImageScale(img);
sx1 = Region.clipScale(sx1, scale);
sx2 = Region.clipScale(sx2, scale);
sy1 = Region.clipScale(sy1, scale);
sy2 = Region.clipScale(sy2, scale);
try {
return imagepipe.scaleImage(this, img, dx1, dy1, dx2, dy2, sx1, sy1,
sx2, sy2, bgcolor, observer);
} catch (InvalidPipeException e) {
try {
revalidateAll();
return imagepipe.scaleImage(this, img, dx1, dy1, dx2, dy2, sx1,
sy1, sx2, sy2, bgcolor, observer);
} catch (InvalidPipeException e2) {
// Still catching the exception; we are not yet ready to
// validate the surfaceData correctly. Fail for now and
// try again next time around.
return false;
}
} finally {
surfaceData.markDirty();
}
}
示例2: isHiDPIImage
import sun.awt.image.SurfaceManager; //导入方法依赖的package包/类
private boolean isHiDPIImage(final Image img) {
return (SurfaceManager.getImageScale(img) != 1) ||
(resolutionVariantHint != SunHints.INTVAL_RESOLUTION_VARIANT_OFF
&& img instanceof MultiResolutionImage);
}
示例3: drawHiDPIImage
import sun.awt.image.SurfaceManager; //导入方法依赖的package包/类
private boolean drawHiDPIImage(Image img, int dx1, int dy1, int dx2,
int dy2, int sx1, int sy1, int sx2, int sy2,
Color bgcolor, ImageObserver observer) {
if (SurfaceManager.getImageScale(img) != 1) { // Volatile Image
final int scale = SurfaceManager.getImageScale(img);
sx1 = Region.clipScale(sx1, scale);
sx2 = Region.clipScale(sx2, scale);
sy1 = Region.clipScale(sy1, scale);
sy2 = Region.clipScale(sy2, scale);
} else if (img instanceof MultiResolutionImage) {
// get scaled destination image size
int width = img.getWidth(observer);
int height = img.getHeight(observer);
Image resolutionVariant = getResolutionVariant(
(MultiResolutionImage) img, width, height,
dx1, dy1, dx2, dy2, sx1, sy1, sx2, sy2);
if (resolutionVariant != img && resolutionVariant != null) {
// recalculate source region for the resolution variant
ImageObserver rvObserver = MultiResolutionToolkitImage.
getResolutionVariantObserver(img, observer,
width, height, -1, -1);
int rvWidth = resolutionVariant.getWidth(rvObserver);
int rvHeight = resolutionVariant.getHeight(rvObserver);
if (0 < width && 0 < height && 0 < rvWidth && 0 < rvHeight) {
float widthScale = ((float) rvWidth) / width;
float heightScale = ((float) rvHeight) / height;
sx1 = Region.clipScale(sx1, widthScale);
sy1 = Region.clipScale(sy1, heightScale);
sx2 = Region.clipScale(sx2, widthScale);
sy2 = Region.clipScale(sy2, heightScale);
observer = rvObserver;
img = resolutionVariant;
}
}
}
try {
return imagepipe.scaleImage(this, img, dx1, dy1, dx2, dy2, sx1, sy1,
sx2, sy2, bgcolor, observer);
} catch (InvalidPipeException e) {
try {
revalidateAll();
return imagepipe.scaleImage(this, img, dx1, dy1, dx2, dy2, sx1,
sy1, sx2, sy2, bgcolor, observer);
} catch (InvalidPipeException e2) {
// Still catching the exception; we are not yet ready to
// validate the surfaceData correctly. Fail for now and
// try again next time around.
return false;
}
} finally {
surfaceData.markDirty();
}
}
示例4: isHiDPIImage
import sun.awt.image.SurfaceManager; //导入方法依赖的package包/类
private static boolean isHiDPIImage(final Image img) {
return SurfaceManager.getImageScale(img) != 1;
}