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Reusing offscreen image to increase performance.

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This commit is contained in:
Denis Fokin
2014-03-18 17:26:24 +04:00
parent 4d206946e8
commit c26198dd11
1 changed files with 13 additions and 5 deletions
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platform/platform-impl/src/com/intellij/ui/messages/SheetController.java
+13 -5
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@@ -41,7 +41,8 @@ public class SheetController {
private JCheckBox doNotAskCheckBox;
private boolean myDoNotAskResult;
private BufferedImage myOffscreenShadowImage;
private JButton[] buttons;
private JButton myDefaultButton;
private JButton myFocusedButton;
@@ -77,6 +78,10 @@ public class SheetController {
if (icon != null) {
myIcon = icon;
}
myOffscreenShadowImage = GraphicsUtilities.createCompatibleTranslucentImage(
SHEET_WIDTH, SHEET_HEIGHT);
myDoNotAskOption = doNotAskOption;
mySheetMessage = sheetMessage;
buttons = new JButton[buttonTitles.length];
@@ -261,10 +266,13 @@ public class SheetController {
}
private void paintShadow(Graphics2D g2d) {
BufferedImage bufferedImage = GraphicsUtilities.createCompatibleTranslucentImage(
SHEET_WIDTH, SHEET_HEIGHT);
Graphics2D g2 = bufferedImage.createGraphics();
if (myOffscreenShadowImage.getWidth() != SHEET_NC_WIDTH || myOffscreenShadowImage.getHeight() != SHEET_HEIGHT) {
myOffscreenShadowImage = GraphicsUtilities.createCompatibleTranslucentImage(
SHEET_WIDTH, SHEET_HEIGHT);
}
Graphics2D g2 = myOffscreenShadowImage.createGraphics();
g2.setColor(new JBColor(Gray._255, Gray._0));
g2.fillRoundRect(0, 0, SHEET_WIDTH - 1, SHEET_HEIGHT - 1, SHADOW_BORDER, SHADOW_BORDER);
g2.dispose();
@@ -273,7 +281,7 @@ public class SheetController {
renderer.setSize(SHADOW_BORDER);
renderer.setOpacity(.95f);
renderer.setColor(new JBColor(JBColor.BLACK, Gray._10));
BufferedImage shadow = renderer.createShadow(bufferedImage);
BufferedImage shadow = renderer.createShadow(myOffscreenShadowImage);
g2d.drawImage(shadow, 0, - SHADOW_BORDER, null);
g2d.setBackground(new JBColor(new Color(255, 255, 255, 0), new Color(110, 110, 110, 0)));
g2d.clearRect(SHADOW_BORDER, 0, SHEET_WIDTH, SHEET_HEIGHT);