From 58cb76db60720905eab603004b71962b16092a16 Mon Sep 17 00:00:00 2001
From: alexsch <none@none>
Date: Thu, 10 Apr 2014 14:33:24 +0400
Subject: 8032667: [macosx] Components cannot be rendered in HiDPI to
 BufferedImage Reviewed-by: serb, pchelko

---
 src/macosx/classes/com/apple/laf/AquaPainter.java | 54 ++++++++++++++---------
 1 file changed, 32 insertions(+), 22 deletions(-)

(limited to 'src/macosx/classes/com/apple')

diff --git a/src/macosx/classes/com/apple/laf/AquaPainter.java b/src/macosx/classes/com/apple/laf/AquaPainter.java
index 38884ac7e..a5bc8fb25 100644
--- a/src/macosx/classes/com/apple/laf/AquaPainter.java
+++ b/src/macosx/classes/com/apple/laf/AquaPainter.java
@@ -148,34 +148,44 @@ abstract class AquaPainter <T extends JRSUIState> {
                 return;
             }
 
-            int scale = 1;
-            if (g instanceof SunGraphics2D) {
-                scale = ((SunGraphics2D) g).surfaceData.getDefaultScale();
-            }
             final GraphicsConfiguration config = g.getDeviceConfiguration();
             final ImageCache cache = ImageCache.getInstance();
-            final int imgW = bounds.width * scale;
-            final int imgH = bounds.height * scale;
+            final int width = bounds.width;
+            final int height = bounds.height;
             AquaPixelsKey key = new AquaPixelsKey(config,
-                    imgW, imgH, scale, controlState);
-            BufferedImage img = (BufferedImage) cache.getImage(key);
+                    width, height, bounds, controlState);
+            Image img = (BufferedImage) cache.getImage(key);
             if (img == null) {
-                img = new BufferedImage(imgW, imgH, BufferedImage.TYPE_INT_ARGB_PRE);
+
+                Image baseImage = createImage(width, height, bounds, control,
+                        controlState);
+
+                img = new MultiResolutionBufferedImage(baseImage,
+                        (rvWidth, rvHeight) -> createImage(rvWidth, rvHeight,
+                                bounds, control, controlState));
+
                 if (!controlState.is(JRSUIConstants.Animating.YES)) {
                     cache.setImage(key, img);
                 }
-
-                final WritableRaster raster = img.getRaster();
-                final DataBufferInt buffer = (DataBufferInt) raster.getDataBuffer();
-
-                control.set(controlState);
-                control.paint(SunWritableRaster.stealData(buffer, 0),
-                        imgW, imgH, 0, 0, bounds.width, bounds.height);
-                SunWritableRaster.markDirty(buffer);
             }
 
             g.drawImage(img, bounds.x, bounds.y, bounds.width, bounds.height, null);
         }
+
+        private static Image createImage(int imgW, int imgH, final Rectangle bounds,
+                final JRSUIControl control, JRSUIState controlState) {
+            BufferedImage img = new BufferedImage(imgW, imgH,
+                    BufferedImage.TYPE_INT_ARGB_PRE);
+
+            final WritableRaster raster = img.getRaster();
+            final DataBufferInt buffer = (DataBufferInt) raster.getDataBuffer();
+
+            control.set(controlState);
+            control.paint(SunWritableRaster.stealData(buffer, 0),
+                    imgW, imgH, 0, 0, bounds.width, bounds.height);
+            SunWritableRaster.markDirty(buffer);
+            return img;
+        }
     }
 
     private static class AquaPixelsKey implements ImageCache.PixelsKey {
@@ -187,17 +197,17 @@ abstract class AquaPainter <T extends JRSUIState> {
         private final GraphicsConfiguration config;
         private final int w;
         private final int h;
-        private final int scale;
+        private final Rectangle bounds;
         private final JRSUIState state;
 
         AquaPixelsKey(final GraphicsConfiguration config,
-                final int w, final int h, final int scale,
+                final int w, final int h, final Rectangle bounds,
                 final JRSUIState state) {
             this.pixelCount = w * h;
             this.config = config;
             this.w = w;
             this.h = h;
-            this.scale = scale;
+            this.bounds = bounds;
             this.state = state;
             this.hash = hash();
         }
@@ -210,7 +220,7 @@ abstract class AquaPainter <T extends JRSUIState> {
             int hash = config != null ? config.hashCode() : 0;
             hash = 31 * hash + w;
             hash = 31 * hash + h;
-            hash = 31 * hash + scale;
+            hash = 31 * hash + bounds.hashCode();
             hash = 31 * hash + state.hashCode();
             return hash;
         }
@@ -225,7 +235,7 @@ abstract class AquaPainter <T extends JRSUIState> {
             if (obj instanceof AquaPixelsKey) {
                 AquaPixelsKey key = (AquaPixelsKey) obj;
                 return config == key.config && w == key.w && h == key.h
-                        && scale == key.scale && state.equals(key.state);
+                        && bounds.equals(key.bounds) && state.equals(key.state);
             }
             return false;
         }
-- 
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