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.

Field Summary

Fields

Modifier and Type	Field	Description
static final String	CUSTOM_DPI_AWARENESS_PROPERTY	This property allows to customize the DPI awareness of the application's UI thread, such that different DPI awareness modes are supported via configuration and not only via the application's executable manifest.

Constructor Summary

Constructors

Constructor	Description
Win32DPIUtils()

Method Summary

Modifier and Type	Method	Description
static int	getPrimaryMonitorZoomAtStartup()
static boolean	hasProperDpiAwarenessForMonitorSpecificScaling()
static boolean	initializeCustomDpiAwareness()
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 Rectangle	pixelToPoint(Drawable drawable, Rectangle rect, int zoom)
static Rectangle	pixelToPoint(Rectangle rect, int zoom)
static Point	pixelToPointAsLocation(Drawable drawable, Point point, int zoom)
static Point	pixelToPointAsLocation(Point point, int zoom)
static Point	pixelToPointAsSize(Drawable drawable, Point point, int zoom)
static Point	pixelToPointAsSize(Point point, int zoom)
static Point	pixelToPointAsSufficientlyLargeSize(Point point, int zoom)
static Rectangle	pixelToPointWithSufficientlyLargeSize(Rectangle rect, int zoom)
static float	pointToPixel(float size, int zoom)
static int[]	pointToPixel(int[] pointArray, int zoom)
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 Rectangle	pointToPixel(Drawable drawable, Rectangle rect, int zoom)
static Rectangle	pointToPixel(Rectangle rect, int zoom)
static Point	pointToPixelAsLocation(Drawable drawable, Point point, int zoom)
static Point	pointToPixelAsLocation(Point point, int zoom)
static Point	pointToPixelAsSize(Drawable drawable, Point point, int zoom)
static Point	pointToPixelAsSize(Point point, int zoom)
static Point	pointToPixelAsSufficientlyLargeSize(Point point, int zoom)
static Rectangle	pointToPixelWithSufficientlyLargeSize(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 boolean	setDPIAwareness(long desiredDpiAwareness)

Methods inherited from class java.lang.Object

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

Field Details

CUSTOM_DPI_AWARENESS_PROPERTY

public static final String CUSTOM_DPI_AWARENESS_PROPERTY

This property allows to customize the DPI awareness of the application's UI thread, such that different DPI awareness modes are supported via configuration and not only via the application's executable manifest. Supported modes are "System", "PerMonitor", and "PerMonitorV2".

See Also:

• Constant Field Values

Constructor Details

Win32DPIUtils

public Win32DPIUtils()

Method Details

initializeCustomDpiAwareness

public static boolean initializeCustomDpiAwareness()

setDPIAwareness

public static boolean setDPIAwareness(long desiredDpiAwareness)

hasProperDpiAwarenessForMonitorSpecificScaling

public static boolean hasProperDpiAwarenessForMonitorSpecificScaling()

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)

pixelToPointAsSize

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

pixelToPointAsLocation

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

pixelToPointAsSize

public static Point pixelToPointAsSize(Point point,
 int zoom)

pixelToPointAsLocation

public static Point pixelToPointAsLocation(Point point,
 int zoom)

pixelToPointAsSufficientlyLargeSize

public static Point pixelToPointAsSufficientlyLargeSize(Point point,
 int zoom)

pixelToPoint

public static Rectangle pixelToPoint(Rectangle rect,
 int zoom)

pixelToPointWithSufficientlyLargeSize

public static Rectangle pixelToPointWithSufficientlyLargeSize(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(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)

pointToPixelAsSize

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

pointToPixelAsLocation

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

pointToPixelAsSize

public static Point pointToPixelAsSize(Point point,
 int zoom)

pointToPixelAsSufficientlyLargeSize

public static Point pointToPixelAsSufficientlyLargeSize(Point point,
 int zoom)

pointToPixelAsLocation

public static Point pointToPixelAsLocation(Point point,
 int zoom)

pointToPixel

public static Rectangle pointToPixel(Rectangle rect,
 int zoom)

pointToPixelWithSufficientlyLargeSize

public static Rectangle pointToPixelWithSufficientlyLargeSize(Rectangle rect,
 int zoom)

pointToPixel

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

getPrimaryMonitorZoomAtStartup

public static int getPrimaryMonitorZoomAtStartup()