diff options
Diffstat (limited to 'examples')
| -rw-r--r-- | examples/org.eclipse.swt.examples/src/examples_graphics.properties | 6 | ||||
| -rw-r--r-- | examples/org.eclipse.swt.examples/src/org/eclipse/swt/examples/graphics/ImageTransformTab.java | 71 |
2 files changed, 61 insertions, 16 deletions
diff --git a/examples/org.eclipse.swt.examples/src/examples_graphics.properties b/examples/org.eclipse.swt.examples/src/examples_graphics.properties index 2a7d40002f..55844a249a 100644 --- a/examples/org.eclipse.swt.examples/src/examples_graphics.properties +++ b/examples/org.eclipse.swt.examples/src/examples_graphics.properties @@ -34,7 +34,7 @@ Animation=Animation StarPolygon=Star Polygon Line=Line BlackHole=Black Hole -FillRule=Fill Rule: +FillRule=Fill Rule Polygons=Polygons Introduction=Introduction SWT=SWT @@ -119,9 +119,11 @@ Graphics=Graphics Flip=Flip Scale=Scale Rotate=Rotate +xtranslate=X-Translate +ytranslate=Y-Translate xscale=X-Scale yscale=Y-Scale -Invert=Invert +Invert=Invert Matrix Path=Path PathOper=Path Operations DrawPath=Draw Path diff --git a/examples/org.eclipse.swt.examples/src/org/eclipse/swt/examples/graphics/ImageTransformTab.java b/examples/org.eclipse.swt.examples/src/org/eclipse/swt/examples/graphics/ImageTransformTab.java index f19774eed1..2cbf6cd4c3 100644 --- a/examples/org.eclipse.swt.examples/src/org/eclipse/swt/examples/graphics/ImageTransformTab.java +++ b/examples/org.eclipse.swt.examples/src/org/eclipse/swt/examples/graphics/ImageTransformTab.java @@ -22,7 +22,7 @@ import org.eclipse.swt.widgets.*; */ public class ImageTransformTab extends GraphicsTab { - private Spinner rotateSpinner, scaleSpinnerX, scaleSpinnerY; + private Spinner rotateSpinner, translateSpinnerX, translateSpinnerY, scaleSpinnerX, scaleSpinnerY; private Button invertButton; /** @@ -63,49 +63,91 @@ public void createControlPanel(Composite parent) { new Label(comp, SWT.CENTER).setText(GraphicsExample.getResourceString("Rotate")); //$NON-NLS-1$ rotateSpinner = new Spinner(comp, SWT.BORDER | SWT.WRAP); + GC gc = new GC(rotateSpinner); + int width = gc.getFontMetrics().getAverageCharWidth() * 5; + gc.dispose(); + rotateSpinner.setLayoutData(new GridData(width, SWT.DEFAULT)); rotateSpinner.setSelection(0); - rotateSpinner.setMinimum(0); - rotateSpinner.setMaximum(360); - rotateSpinner.setIncrement(10); + rotateSpinner.setMinimum(-720); + rotateSpinner.setMaximum(720); + rotateSpinner.setIncrement(30); rotateSpinner.addListener(SWT.Selection, new Listener() { public void handleEvent(Event event) { example.redraw(); } }); - // create a slider for scaling along the x axis + // create a spinner for translating along the x axis + comp = new Composite(parent, SWT.NONE); + comp.setLayout(gridLayout); + + new Label(comp, SWT.CENTER).setText(GraphicsExample.getResourceString("xtranslate")); //$NON-NLS-1$ + translateSpinnerX = new Spinner(comp, SWT.BORDER | SWT.WRAP); + translateSpinnerX.setLayoutData(new GridData(width, SWT.DEFAULT)); + translateSpinnerX.setMinimum(-100); + translateSpinnerX.setMaximum(500); + translateSpinnerX.setSelection(0); + translateSpinnerX.setIncrement(10); + translateSpinnerX.addListener(SWT.Selection, new Listener() { + public void handleEvent(Event event) { + example.redraw(); + } + }); + + // create a spinner for translating along the y axis + comp = new Composite(parent, SWT.NONE); + comp.setLayout(gridLayout); + + new Label(comp, SWT.CENTER).setText(GraphicsExample.getResourceString("ytranslate")); //$NON-NLS-1$ + translateSpinnerY = new Spinner(comp, SWT.BORDER | SWT.WRAP); + translateSpinnerY.setLayoutData(new GridData(width, SWT.DEFAULT)); + translateSpinnerY.setMinimum(-100); + translateSpinnerY.setMaximum(500); + translateSpinnerY.setSelection(0); + translateSpinnerY.setIncrement(10); + translateSpinnerY.addListener(SWT.Selection, new Listener() { + public void handleEvent(Event event) { + example.redraw(); + } + }); + + // create a spinner for scaling along the x axis comp = new Composite(parent, SWT.NONE); comp.setLayout(gridLayout); new Label(comp, SWT.CENTER).setText(GraphicsExample.getResourceString("xscale")); //$NON-NLS-1$ scaleSpinnerX = new Spinner(comp, SWT.BORDER | SWT.WRAP); + scaleSpinnerX.setLayoutData(new GridData(width, SWT.DEFAULT)); scaleSpinnerX.setDigits(2); scaleSpinnerX.setMinimum(1); - scaleSpinnerX.setMaximum(500); - scaleSpinnerX.setSelection(75); + scaleSpinnerX.setMaximum(400); + scaleSpinnerX.setSelection(100); + scaleSpinnerX.setIncrement(10); scaleSpinnerX.addListener(SWT.Selection, new Listener() { public void handleEvent(Event event) { example.redraw(); } }); - // create a slider for scaling along the y axis + // create a spinner for scaling along the y axis comp = new Composite(parent, SWT.NONE); comp.setLayout(gridLayout); new Label(comp, SWT.CENTER).setText(GraphicsExample.getResourceString("yscale")); //$NON-NLS-1$ scaleSpinnerY = new Spinner(comp, SWT.BORDER | SWT.WRAP); + scaleSpinnerY.setLayoutData(new GridData(width, SWT.DEFAULT)); scaleSpinnerY.setDigits(2); scaleSpinnerY.setMinimum(1); - scaleSpinnerY.setMaximum(500); - scaleSpinnerY.setSelection(75); + scaleSpinnerY.setMaximum(400); + scaleSpinnerY.setSelection(100); + scaleSpinnerY.setIncrement(10); scaleSpinnerY.addListener(SWT.Selection, new Listener() { public void handleEvent(Event event) { example.redraw(); } }); - // create a button for "invert" + // create a button for inverting the transform matrix comp = new Composite(parent, SWT.NONE); comp.setLayout(new GridLayout()); invertButton = new Button(comp, SWT.TOGGLE); @@ -131,6 +173,9 @@ public void paint(GC gc, int width, int height) { // scale image transform.scale(scaleSpinnerX.getSelection()/100f, scaleSpinnerY.getSelection()/100f); + // translate image + transform.translate(translateSpinnerX.getSelection(), translateSpinnerY.getSelection()); + // rotate on center of image Rectangle rect = image.getBounds(); transform.translate(rect.width/2, rect.height/2); @@ -142,10 +187,8 @@ public void paint(GC gc, int width, int height) { } gc.setTransform(transform); - gc.drawImage(image, 0, 0); - gc.drawRoundRectangle(0, 0, image.getBounds().width, - image.getBounds().height, 22, 22); + transform.dispose(); image.dispose(); } |