Bug 742 HiDPI: [Core API Change] Distinguish window-units and pixel-units; Add HiDPI for AWT GLCanvas w/ OSX CALayer

Core API Change:

To support HiDPI thoroughly in JOGL (NativeWindow, JOGL, NEWT)
we need to separate window- and pixel units.

NativeWindow and NativeSurface now have distinguished
access methods for window units and pixel units.

  NativeWindow: Using window units
      - getWindowWidth()    * NEW Method *
      - getWindowHeight()   * NEW Method *
      - getX(), getY(), ...

  NativeSurface: Using pixel units
      - getWidth()  -> getSurfaceWidth()   * RENAMED *
      - getHeight() -> getSurfaceHeight()  * RENAMED *

  GLDrawable:  Using pixel units
      - getWidth()  -> getSurfaceWidth()   * RENAMED, aligned w/ NativeSurface *
      - getHeight() -> getSurfaceHeight()  * RENAMED, aligned w/ NativeSurface *

Above changes also removes API collision w/ other windowing TK,
e.g. AWT's getWidth()/getHeight() in GLCanvas
and the same method names in GLDrawable before this change.

+++

Now preliminary 'working':
  - AWT GLCanvas
  - AWT GLJPanel

Tested manually on OSX w/ and w/o HiDPI Retina:
  java com.jogamp.opengl.test.junit.jogl.demos.es2.awt.TestGearsES2AWT -manual -noanim -time 1000000
  java com.jogamp.opengl.test.junit.jogl.demos.es2.awt.TestGearsES2GLJPanelAWT -manual -noanim -time 1000000

+++

TODO:
  - NEWT
    - Change Window.setSize(..) to use pixel units ?
    - OSX HiDPI support

  - Testing ..

  - API refinement

1 files changed, 25 insertions, 8 deletions

diff --git a/src/nativewindow/native/macosx/OSXmisc.m b/src/nativewindow/native/macosx/OSXmisc.m
index d95d1cdbf..15547ffee 100644
--- a/src/nativewindow/native/macosx/OSXmisc.m
+++ b/src/nativewindow/native/macosx/OSXmisc.m
@@ -41,7 +41,7 @@
 
 #include <jawt_md.h>
 
-// #define VERBOSE 1
+#define VERBOSE 1
 //
 #ifdef VERBOSE
     // #define DBG_PRINT(...) NSLog(@ ## __VA_ARGS__)
@@ -544,19 +544,27 @@ JNIEXPORT jlong JNICALL Java_jogamp_nativewindow_macosx_OSXUtil_GetNSWindow0
 /*
  * Class:     Java_jogamp_nativewindow_macosx_OSXUtil
  * Method:    CreateCALayer0
- * Signature: (II)J
+ * Signature: (IIF)J
  */
 JNIEXPORT jlong JNICALL Java_jogamp_nativewindow_macosx_OSXUtil_CreateCALayer0
-  (JNIEnv *env, jclass unused, jint width, jint height)
+  (JNIEnv *env, jclass unused, jint width, jint height, jfloat contentsScale)
 {
     NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init];
 
     MyCALayer* layer = [[MyCALayer alloc] init];
-    DBG_PRINT("CALayer::CreateCALayer.0: root %p 0/0 %dx%d (refcnt %d)\n", layer, (int)width, (int)height, (int)[layer retainCount]);
+    DBG_PRINT("CALayer::CreateCALayer.0: root %p 0/0 %dx%d @ scale %lf (refcnt %d)\n", layer, (int)width, (int)height, (double)contentsScale, (int)[layer retainCount]);
     // avoid zero size
     if(0 == width) { width = 32; }
     if(0 == height) { height = 32; }
 
+    if( 1.0 != contentsScale ) {
+NS_DURING
+        // Available >= 10.7
+        [layer setContentsScale: (CGFloat)contentsScale];
+NS_HANDLER
+NS_ENDHANDLER
+    }
+
     // initial dummy size !
     CGRect lFrame = [layer frame];
     lFrame.origin.x = 0;
@@ -580,10 +588,10 @@ JNIEXPORT jlong JNICALL Java_jogamp_nativewindow_macosx_OSXUtil_CreateCALayer0
 /*
  * Class:     Java_jogamp_nativewindow_macosx_OSXUtil
  * Method:    AddCASublayer0
- * Signature: (JJIIIII)V
+ * Signature: (JJIIIIIF)V
  */
 JNIEXPORT void JNICALL Java_jogamp_nativewindow_macosx_OSXUtil_AddCASublayer0
-  (JNIEnv *env, jclass unused, jlong rootCALayer, jlong subCALayer, jint x, jint y, jint width, jint height, jint caLayerQuirks)
+  (JNIEnv *env, jclass unused, jlong rootCALayer, jlong subCALayer, jint x, jint y, jint width, jint height, jfloat contentsScale, jint caLayerQuirks)
 {
     NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init];
     MyCALayer* rootLayer = (MyCALayer*) ((intptr_t) rootCALayer);
@@ -596,9 +604,18 @@ JNIEXPORT void JNICALL Java_jogamp_nativewindow_macosx_OSXUtil_AddCASublayer0
     [subLayer retain]; // Pairs w/ RemoveCASublayer
 
     CGRect lRectRoot = [rootLayer frame];
-    DBG_PRINT("CALayer::AddCASublayer0.0: Quirks %d, Root %p (refcnt %d), Sub %p (refcnt %d), frame0: %lf/%lf %lfx%lf\n",
+
+    // Available >= 10.7
+    DBG_PRINT("CALayer::AddCASublayer0.0: Quirks %d, Root %p (refcnt %d), Sub %p (refcnt %d), frame0: %lf/%lf %lfx%lf scale %lf\n",
         caLayerQuirks, rootLayer, (int)[rootLayer retainCount], subLayer, (int)[subLayer retainCount],
-        lRectRoot.origin.x, lRectRoot.origin.y, lRectRoot.size.width, lRectRoot.size.height);
+        lRectRoot.origin.x, lRectRoot.origin.y, lRectRoot.size.width, lRectRoot.size.height, (float)contentsScale);
+
+    if( 1.0 != contentsScale ) {
+NS_DURING
+        [subLayer setContentsScale: (CGFloat)contentsScale];
+NS_HANDLER
+NS_ENDHANDLER
+    }
 
     [subLayer setFrame:lRectRoot];
     [rootLayer addSublayer:subLayer];