Package org.eclipse.swt.internal

Class Win32DPIUtils

java.lang.Object

org.eclipse.swt.internal.Win32DPIUtils

public class Win32DPIUtils
extends Object

This class is used in the win32 implementation only to provide DPI related utility methods.

IMPORTANT: This class is not part of the public API for SWT. It is marked public only so that it can be shared within the packages provided by SWT. It is not available on all platforms, and should never be called from application code.

Restriction:

This class is not intended to be referenced by clients

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static final class	Win32DPIUtils.AutoScaleImageDataProvider	AutoScale ImageDataProvider.

Constructor Summary

Constructors

Constructor	Description
Win32DPIUtils()

Method Summary

Modifier and Type	Method	Description
static boolean	isMonitorSpecificScalingActive()
static float[]	pixelToPoint(float[] size, int zoom)
static float[]	pixelToPoint(Drawable drawable, float[] size, int zoom)
static float	pixelToPoint(Drawable drawable, float size, int zoom)
static int	pixelToPoint(Drawable drawable, int size, int zoom)
static Point	pixelToPoint(Drawable drawable, Point point, int zoom)
static Rectangle	pixelToPoint(Drawable drawable, Rectangle rect, int zoom)
static Point	pixelToPoint(Point point, int zoom)
static Rectangle	pixelToPoint(Rectangle rect, int zoom)
static float	pointToPixel(float size, int zoom)
static int[]	pointToPixel(int[] pointArray, int zoom)
static int	pointToPixel(int size, int zoom)	Auto-scale up int dimensions to match the given zoom level
static float	pointToPixel(Drawable drawable, float size, int zoom)
static int[]	pointToPixel(Drawable drawable, int[] pointArray, int zoom)
static int	pointToPixel(Drawable drawable, int size, int zoom)
static Point	pointToPixel(Drawable drawable, Point point, int zoom)
static Rectangle	pointToPixel(Drawable drawable, Rectangle rect, int zoom)
static Point	pointToPixel(Point point, int zoom)
static Rectangle	pointToPixel(Rectangle rect, int zoom)
static <T> T	runWithProperDPIAwareness(Display display, Supplier<T> operation)
static Rectangle	scaleBounds(Rectangle rect, int targetZoom, int currentZoom)	Returns a new rectangle as per the scaleFactor.
static void	setAutoScaleForMonitorSpecificScaling()
static boolean	setDPIAwareness(int desiredDpiAwareness)
static void	setMonitorSpecificScaling(boolean activate)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

Win32DPIUtils

public Win32DPIUtils()

Method Details

setDPIAwareness

public static boolean setDPIAwareness(int desiredDpiAwareness)

runWithProperDPIAwareness

public static <T> T runWithProperDPIAwareness(Display display,
 Supplier<T> operation)

pixelToPoint

public static float[] pixelToPoint(float[] size,
 int zoom)

pixelToPoint

public static float[] pixelToPoint(Drawable drawable,
 float[] size,
 int zoom)

pixelToPoint

public static int pixelToPoint(Drawable drawable,
 int size,
 int zoom)

pixelToPoint

public static float pixelToPoint(Drawable drawable,
 float size,
 int zoom)

pixelToPoint

public static Point pixelToPoint(Point point,
 int zoom)

pixelToPoint

public static Point pixelToPoint(Drawable drawable,
 Point point,
 int zoom)

pixelToPoint

public static Rectangle pixelToPoint(Rectangle rect,
 int zoom)

pixelToPoint

public static Rectangle pixelToPoint(Drawable drawable,
 Rectangle rect,
 int zoom)

scaleBounds

public static Rectangle scaleBounds(Rectangle rect,
 int targetZoom,
 int currentZoom)

Returns a new rectangle as per the scaleFactor.

pointToPixel

public static int[] pointToPixel(int[] pointArray,
 int zoom)

pointToPixel

public static int[] pointToPixel(Drawable drawable,
 int[] pointArray,
 int zoom)

pointToPixel

public static int pointToPixel(int size,
 int zoom)

Auto-scale up int dimensions to match the given zoom level

pointToPixel

public static int pointToPixel(Drawable drawable,
 int size,
 int zoom)

pointToPixel

public static float pointToPixel(float size,
 int zoom)

pointToPixel

public static float pointToPixel(Drawable drawable,
 float size,
 int zoom)

pointToPixel

public static Point pointToPixel(Point point,
 int zoom)

pointToPixel

public static Point pointToPixel(Drawable drawable,
 Point point,
 int zoom)

pointToPixel

public static Rectangle pointToPixel(Rectangle rect,
 int zoom)

pointToPixel

public static Rectangle pointToPixel(Drawable drawable,
 Rectangle rect,
 int zoom)

setMonitorSpecificScaling

public static void setMonitorSpecificScaling(boolean activate)

setAutoScaleForMonitorSpecificScaling

public static void setAutoScaleForMonitorSpecificScaling()

isMonitorSpecificScalingActive

public static boolean isMonitorSpecificScalingActive()