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src/java.desktop/windows/classes/sun/awt/Win32GraphicsDevice.java
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@@ -35,17 +35,23 @@
import java.awt.Rectangle;
import java.awt.Window;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.awt.event.WindowListener;
+import java.awt.geom.Point2D;
import java.awt.image.ColorModel;
import java.util.ArrayList;
import java.util.Vector;
import java.awt.peer.WindowPeer;
+import java.security.AccessController;
import sun.awt.windows.WWindowPeer;
+import sun.java2d.SunGraphicsEnvironment;
import sun.java2d.opengl.WGLGraphicsConfig;
import sun.java2d.windows.WindowsFlags;
+import sun.security.action.GetPropertyAction;
+import static sun.awt.Win32GraphicsEnvironment.debugScaleX;
+import static sun.awt.Win32GraphicsEnvironment.debugScaleY;
/**
* This is an implementation of a GraphicsDevice object for a single
* Win32 screen.
*
@@ -79,10 +85,13 @@
// mode
private DisplayMode defaultDisplayMode;
// activation/deactivation listener for the full-screen window
private WindowListener fsWindowListener;
+ private float scaleX = 1.0f;
+ private float scaleY = 1.0f;
+
static {
// 4455041 - Even when ddraw is disabled, ddraw.dll is loaded when
// pixel format calls are made. This causes problems when a Java app
// is run as an NT service. To prevent the loading of ddraw.dll
@@ -95,10 +104,14 @@
}
private static native void initIDs();
native void initDevice(int screen);
+ native void initNativeScale(int screen);
+ native void setNativeScale(int screen, float scaleX, float scaleY);
+ native float getNativeScaleX(int screen);
+ native float getNativeScaleY(int screen);
public Win32GraphicsDevice(int screennum) {
this.screen = screennum;
// we cache the strings because we want toString() and getIDstring
// to reflect the original screen number (which may change if the
@@ -107,10 +120,11 @@
// REMIND: may be should use class name?
descString = "Win32GraphicsDevice[screen=" + screen;
valid = true;
initDevice(screennum);
+ initScaleFactors();
}
/**
* Returns the type of the graphics device.
* @see #TYPE_RASTER_SCREEN
@@ -126,10 +140,32 @@
*/
public int getScreen() {
return screen;
}
+ public float getDefaultScaleX() {
+ return scaleX;
+ }
+
+ public float getDefaultScaleY() {
+ return scaleY;
+ }
+
+ private void initScaleFactors() {
+ if (SunGraphicsEnvironment.isUIScaleEnabled()) {
+ if (debugScaleX > 0 && debugScaleY > 0) {
+ scaleX = debugScaleX;
+ scaleY = debugScaleY;
+ setNativeScale(screen, scaleX, scaleY);
+ } else {
+ initNativeScale(screen);
+ scaleX = getNativeScaleX(screen);
+ scaleY = getNativeScaleY(screen);
+ }
+ }
+ }
+
/**
* Returns whether this is a valid devicie. Device can become
* invalid as a result of device removal event.
*/
public boolean isValid() {
@@ -484,10 +520,11 @@
dynamicColorModel = null;
defaultConfig = null;
configs = null;
// pass on to all top-level windows on this display
topLevels.notifyListeners();
+ initScaleFactors();
}
/**
* Part of the DisplayChangedListener interface: devices
* do not need to react to this event
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