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Wallpaper: reuse valid surfaces

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This commit is contained in:
Gregory.Shrago
2016-05-06 06:04:54 +03:00
parent 06a8e4bd87
commit ef98090239
1 changed files with 30 additions and 11 deletions
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platform/platform-impl/src/com/intellij/openapi/wm/impl/PaintersHelper.java
+30 -11
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@@ -16,6 +16,7 @@
package com.intellij.openapi.wm.impl;
import com.intellij.openapi.application.PathManager;
import com.intellij.openapi.diagnostic.Logger;
import com.intellij.openapi.ui.AbstractPainter;
import com.intellij.openapi.ui.GraphicsConfig;
import com.intellij.openapi.ui.Painter;
@@ -40,6 +41,8 @@ import java.util.Map;
import java.util.Set;
final class PaintersHelper implements Painter.Listener {
private static final Logger LOG = Logger.getInstance(PaintersHelper.class);
private final Set<Painter> myPainters = ContainerUtil.newLinkedHashSet();
private final Map<Painter, Component> myPainter2Component = ContainerUtil.newLinkedHashMap();
@@ -211,6 +214,7 @@ final class PaintersHelper implements Painter.Listener {
private abstract static class ImagePainter extends AbstractPainter {
VolatileImage scaled;
int scaledW = -1, scaledH = -1;
public void executePaint(Graphics2D g, Component component, Image image, FillType fillType, float alpha, Insets insets) {
int cw0 = component.getWidth();
@@ -223,8 +227,6 @@ final class PaintersHelper implements Painter.Listener {
if (w <= 0 || h <= 0) return;
// performance: pre-compute scaled image or tiles
if (fillType == FillType.SCALE || fillType == FillType.TILE) {
int sw0 = scaled == null ? -1 : scaled.getWidth(null);
int sh0 = scaled == null ? -1 : scaled.getHeight(null);
int sw, sh;
if (fillType == FillType.SCALE) {
boolean useWidth = cw * h > ch * w;
@@ -235,9 +237,13 @@ final class PaintersHelper implements Painter.Listener {
sw = cw < w ? w : (cw + w) / w * w;
sh = ch < h ? h : (ch + h) / h * h;
}
boolean rescale = sw0 != sw || sh0 != sh;
int sw0 = scaled == null ? -1 : scaled.getWidth(null);
int sh0 = scaled == null ? -1 : scaled.getHeight(null);
boolean rescale = scaledW != sw || scaledH != sh;
while ((scaled = validateImage(scaled, g)) == null || rescale) {
scaled = createImage(g, sw, sh);
if (scaled == null || sw0 < sw || sh0 < sh) {
scaled = createImage(g, sw + sw / 10, sh + sh / 10); // + 10 percent
}
Graphics2D gg = scaled.createGraphics();
gg.setComposite(AlphaComposite.Src);
if (fillType == FillType.SCALE) {
@@ -255,8 +261,8 @@ final class PaintersHelper implements Painter.Listener {
gg.dispose();
rescale = false;
}
w = sw;
h = sh;
w = scaledW = sw;
h = scaledH = sh;
}
else {
while ((scaled = validateImage(scaled, g)) == null) {
@@ -287,8 +293,7 @@ final class PaintersHelper implements Painter.Listener {
}
GraphicsConfig cfg = new GraphicsConfig(g).setAlpha(alpha);
UIUtil.drawImage(g, scaled, x, y, null);
UIUtil.drawImage(g, scaled, x, y, w, h, null);
if (fillType == FillType.BG_CENTER) {
g.setColor(component.getBackground());
g.fillRect(0, 0, x, ch0);
@@ -303,9 +308,17 @@ final class PaintersHelper implements Painter.Listener {
@Nullable
private static VolatileImage validateImage(@Nullable VolatileImage scaled, @NotNull Graphics2D g) {
if (scaled == null) return null;
boolean b1 = scaled.validate(g.getDeviceConfiguration()) != VolatileImage.IMAGE_OK;
boolean b2 = scaled.contentsLost();
if (b1 || b2) {
boolean lost1 = scaled.contentsLost();
GraphicsConfiguration cfg = g.getDeviceConfiguration();
int validated = scaled.validate(cfg);
boolean lost2 = scaled.contentsLost();
if (!lost1 && !lost2 && validated == VolatileImage.IMAGE_INCOMPATIBLE &&
scaled.getCapabilities().isAccelerated()) {
// todo painting to BufferedImage.. see RepaintManager#volatileMap for solution
return scaled;
}
if (lost1 || lost2 || validated != VolatileImage.IMAGE_OK) {
LOG.info("validate(" + cfg.getClass().getSimpleName() + ")=" + validated + "; contentsLost()=" + lost1 + "||" + lost2 + "; flushing..");
scaled.flush();
return null;
}
@@ -324,6 +337,12 @@ final class PaintersHelper implements Painter.Listener {
}
// validate first time (it's always RESTORED & cleared)
image.validate(configuration);
image.setAccelerationPriority(1f);
ImageCapabilities caps = image.getCapabilities();
LOG.info(w + "x" + h + " " +
(caps.isAccelerated()? "accelerated " : "") +
(caps.isTrueVolatile()? "volatile " : "") +
"image created");
return image;
}
}