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-rw-r--r--src/newt/classes/com/jogamp/newt/swt/NewtCanvasSWT.java42
1 files changed, 39 insertions, 3 deletions
diff --git a/src/newt/classes/com/jogamp/newt/swt/NewtCanvasSWT.java b/src/newt/classes/com/jogamp/newt/swt/NewtCanvasSWT.java
index 562dad091..6344ad9ca 100644
--- a/src/newt/classes/com/jogamp/newt/swt/NewtCanvasSWT.java
+++ b/src/newt/classes/com/jogamp/newt/swt/NewtCanvasSWT.java
@@ -80,6 +80,8 @@ public class NewtCanvasSWT extends Canvas implements NativeWindowHolder, WindowC
private WindowClosingMode newtChildClosingMode = WindowClosingMode.DISPOSE_ON_CLOSE;
private final WindowClosingMode closingMode = WindowClosingMode.DISPOSE_ON_CLOSE;
private volatile Rectangle clientAreaPixels, clientAreaWindow;
+ /** pixelScale = pixelUnit / windowUnix */
+ private volatile float[] pixelScale = new float[] { 1f, 1f };
private volatile SWTNativeWindow nativeWindow;
private volatile Window newtChild = null;
@@ -131,6 +133,13 @@ public class NewtCanvasSWT extends Canvas implements NativeWindowHolder, WindowC
clientAreaPixels = SWTAccessor.getClientAreaInPixels(this);
clientAreaWindow = getClientArea();
+ if( 0 < clientAreaWindow.width && 0 < clientAreaWindow.height ) {
+ pixelScale[0] = clientAreaPixels.width / clientAreaWindow.width;
+ pixelScale[1] = clientAreaPixels.height / clientAreaWindow.height;
+ } else {
+ pixelScale[0] = 1f;
+ pixelScale[1] = 1f;
+ }
final AbstractGraphicsDevice device = SWTAccessor.getDevice(this);
screen = SWTAccessor.getScreen(device, -1 /* default */);
@@ -139,6 +148,15 @@ public class NewtCanvasSWT extends Canvas implements NativeWindowHolder, WindowC
if(null != child) {
setNEWTChild(child);
}
+ if(DEBUG) {
+ final long nsh = newtChildReady ? newtChild.getSurfaceHandle() : 0;
+ System.err.println("NewtCanvasSWT: "+
+ ", ("+Thread.currentThread().getName()+"): newtChildReady "+newtChildReady+
+ ", pixel "+clientAreaPixels.x+"/"+clientAreaPixels.y+" "+clientAreaPixels.width+"x"+clientAreaPixels.height+
+ ", window "+clientAreaWindow.x+"/"+clientAreaWindow.y+" "+clientAreaWindow.width+"x"+clientAreaWindow.height+
+ ", scale "+pixelScale[0]+"/"+pixelScale[1]+
+ " - surfaceHandle 0x"+Long.toHexString(nsh));
+ }
// Bug 1362 fix or workaround: Seems SWT/GTK3 at least performs lazy initialization
// Minimal action required: setBackground of the parent canvas before reparenting!
@@ -260,17 +278,30 @@ public class NewtCanvasSWT extends Canvas implements NativeWindowHolder, WindowC
if( sizeChanged || posChanged ) {
clientAreaPixels = nClientAreaPixels;
clientAreaWindow = getClientArea();
+ if( 0 < clientAreaWindow.width && 0 < clientAreaWindow.height ) {
+ pixelScale[0] = clientAreaPixels.width / clientAreaWindow.width;
+ pixelScale[1] = clientAreaPixels.height / clientAreaWindow.height;
+ } else {
+ pixelScale[0] = 1f;
+ pixelScale[1] = 1f;
+ }
} else {
nClientAreaPixels = clientAreaPixels;
}
}
if(DEBUG) {
final long nsh = newtChildReady ? newtChild.getSurfaceHandle() : 0;
- System.err.println("NewtCanvasSWT.updatePosSizeCheck: sizeChanged "+sizeChanged+", posChanged "+posChanged+", updatePos "+updatePos+", ("+Thread.currentThread().getName()+"): newtChildReady "+newtChildReady+", "+nClientAreaPixels.x+"/"+nClientAreaPixels.y+" "+nClientAreaPixels.width+"x"+nClientAreaPixels.height+" - surfaceHandle 0x"+Long.toHexString(nsh));
+ System.err.println("NewtCanvasSWT.updatePosSizeCheck: sizeChanged "+sizeChanged+", posChanged "+posChanged+", updatePos "+updatePos+
+ ", ("+Thread.currentThread().getName()+"): newtChildReady "+newtChildReady+
+ ", pixel "+clientAreaPixels.x+"/"+clientAreaPixels.y+" "+clientAreaPixels.width+"x"+clientAreaPixels.height+
+ ", window "+clientAreaWindow.x+"/"+clientAreaWindow.y+" "+clientAreaWindow.width+"x"+clientAreaWindow.height+
+ ", scale "+pixelScale[0]+"/"+pixelScale[1]+
+ " - surfaceHandle 0x"+Long.toHexString(nsh));
}
if( sizeChanged ) {
if( newtChildReady ) {
newtChild.setSize(clientAreaWindow.width, clientAreaWindow.height);
+ newtChild.setSurfaceScale(pixelScale);
} else {
postSetSize = true;
}
@@ -442,6 +473,7 @@ public class NewtCanvasSWT extends Canvas implements NativeWindowHolder, WindowC
newtChild.reparentWindow(nativeWindow, -1, -1, Window.REPARENT_HINT_BECOMES_VISIBLE);
newtChild.setVisible(true);
configureNewtChild(true);
+ newtChild.setSurfaceScale(pixelScale); // ensure this to be set after creation, otherwise updatePosSizeCheck is being used
newtChild.sendWindowEvent(WindowEvent.EVENT_WINDOW_RESIZED); // trigger a resize/relayout to listener
// force this SWT Canvas to be focus-able,
@@ -536,12 +568,16 @@ public class NewtCanvasSWT extends Canvas implements NativeWindowHolder, WindowC
@Override
public final int[] convertToWindowUnits(final int[] pixelUnitsAndResult) {
- return pixelUnitsAndResult; // FIXME HiDPI: use 'pixelScale'
+ pixelUnitsAndResult[0] /= pixelScale[0];
+ pixelUnitsAndResult[1] /= pixelScale[1];
+ return pixelUnitsAndResult;
}
@Override
public final int[] convertToPixelUnits(final int[] windowUnitsAndResult) {
- return windowUnitsAndResult; // FIXME HiDPI: use 'pixelScale'
+ windowUnitsAndResult[0] *= pixelScale[0];
+ windowUnitsAndResult[1] *= pixelScale[1];
+ return windowUnitsAndResult;
}
@Override