public void setBackgroundColor(org.eclipse.swt.graphics.Color color) {
if (activeBackgroundColorCanvas != null) {
activeBackgroundColorCanvas.setBackground(color);
}
toolSettings.commonBackgroundColor = color;
updateToolSettings();
}
public void createGUI(org.eclipse.swt.widgets.Composite parent) {
org.eclipse.swt.layout.GridLayout gridLayout;
org.eclipse.swt.layout.GridData gridData;
org.eclipse.swt.widgets.Composite displayArea =
new org.eclipse.swt.widgets.Composite(parent, SWT.NONE);
gridLayout = new org.eclipse.swt.layout.GridLayout();
gridLayout.numColumns = 1;
displayArea.setLayout(gridLayout);
final org.eclipse.swt.widgets.Canvas paintCanvas =
new org.eclipse.swt.widgets.Canvas(
displayArea,
(-(SWT.BORDER | SWT.V_SCROLL))
| SWT.H_SCROLL
| SWT.NO_REDRAW_RESIZE
| SWT.NO_BACKGROUND);
gridData =
new org.eclipse.swt.layout.GridData(GridData.FILL_HORIZONTAL | GridData.FILL_VERTICAL);
paintCanvas.setLayoutData(gridData);
paintCanvas.setBackground(paintColorWhite);
final org.eclipse.swt.widgets.Composite colorFrame =
new org.eclipse.swt.widgets.Composite(displayArea, SWT.NONE);
gridData =
new org.eclipse.swt.layout.GridData(
GridData.FILL_HORIZONTAL | GridData.VERTICAL_ALIGN_FILL);
colorFrame.setLayoutData(gridData);
final org.eclipse.swt.widgets.Composite toolSettingsFrame =
new org.eclipse.swt.widgets.Composite(displayArea, SWT.NONE);
gridData =
new org.eclipse.swt.layout.GridData(
GridData.FILL_HORIZONTAL | GridData.VERTICAL_ALIGN_FILL);
toolSettingsFrame.setLayoutData(gridData);
final org.eclipse.swt.widgets.Text statusText =
new org.eclipse.swt.widgets.Text(displayArea, SWT.BORDER | SWT.SINGLE | SWT.READ_ONLY);
gridData =
new org.eclipse.swt.layout.GridData(
GridData.FILL_HORIZONTAL | GridData.VERTICAL_ALIGN_FILL);
statusText.setLayoutData(gridData);
paintSurface =
new org.eclipse.swt.examples.paint.PaintSurface(paintCanvas, statusText, paintColorWhite);
tools[Pencil_tool].data =
new org.eclipse.swt.examples.paint.PencilTool(toolSettings, paintSurface);
tools[Airbrush_tool].data =
new org.eclipse.swt.examples.paint.AirbrushTool(toolSettings, paintSurface);
tools[Line_tool].data = new org.eclipse.swt.examples.paint.LineTool(toolSettings, paintSurface);
tools[PolyLine_tool].data =
new org.eclipse.swt.examples.paint.PolyLineTool(toolSettings, paintSurface);
tools[Rectangle_tool].data =
new org.eclipse.swt.examples.paint.RectangleTool(toolSettings, paintSurface);
tools[RoundedRectangle_tool].data =
new org.eclipse.swt.examples.paint.RoundedRectangleTool(toolSettings, paintSurface);
tools[Ellipse_tool].data =
new org.eclipse.swt.examples.paint.EllipseTool(toolSettings, paintSurface);
tools[Text_tool].data = new org.eclipse.swt.examples.paint.TextTool(toolSettings, paintSurface);
gridLayout = new org.eclipse.swt.layout.GridLayout();
gridLayout.numColumns = 3;
gridLayout.marginHeight = 0;
gridLayout.marginWidth = 0;
colorFrame.setLayout(gridLayout);
activeForegroundColorCanvas = new org.eclipse.swt.widgets.Canvas(colorFrame, SWT.BORDER);
gridData = new org.eclipse.swt.layout.GridData(GridData.HORIZONTAL_ALIGN_FILL);
gridData.heightHint = 24;
gridData.widthHint = 24;
activeForegroundColorCanvas.setLayoutData(gridData);
activeBackgroundColorCanvas = new org.eclipse.swt.widgets.Canvas(colorFrame, SWT.BORDER);
gridData = new org.eclipse.swt.layout.GridData(GridData.HORIZONTAL_ALIGN_FILL);
gridData.heightHint = 24;
gridData.widthHint = 24;
activeBackgroundColorCanvas.setLayoutData(gridData);
final org.eclipse.swt.widgets.Canvas paletteCanvas =
new org.eclipse.swt.widgets.Canvas(colorFrame, SWT.BORDER | SWT.NO_BACKGROUND);
gridData = new org.eclipse.swt.layout.GridData(GridData.FILL_HORIZONTAL);
gridData.heightHint = 24;
paletteCanvas.setLayoutData(gridData);
paletteCanvas.addListener(
SWT.MouseDown,
new org.eclipse.swt.widgets.Listener() {
public void handleEvent(org.eclipse.swt.widgets.Event e) {
org.eclipse.swt.graphics.Rectangle bounds = paletteCanvas.getClientArea();
org.eclipse.swt.graphics.Color color = getColorAt(bounds, e.x, e.y);
if (e.button == 1) {
setForegroundColor(color);
} else {
setBackgroundColor(color);
}
}
private org.eclipse.swt.graphics.Color getColorAt(
org.eclipse.swt.graphics.Rectangle bounds, int x, int y) {
if (bounds.height <= 1 && bounds.width <= 1) {
return paintColorWhite;
}
final int row = (y - bounds.y) * numPaletteRows / bounds.height;
final int col = (x - bounds.x) * numPaletteCols / bounds.width;
return paintColors[
Math.min(Math.max(row * numPaletteCols + col, 0), paintColors.length - 1)];
}
});
org.eclipse.swt.widgets.Listener refreshListener =
new org.eclipse.swt.widgets.Listener() {
public void handleEvent(org.eclipse.swt.widgets.Event e) {
if (e.gc == null) {
return;
}
org.eclipse.swt.graphics.Rectangle bounds = paletteCanvas.getClientArea();
for (int row = 0; row < numPaletteRows; ++row) {
for (int col = 0; col < numPaletteCols; ++col) {
final int x = bounds.width * col / numPaletteCols;
final int y = bounds.height * row / numPaletteRows;
final int width = Math.max(bounds.width * (col + 1) / numPaletteCols - x, 1);
final int height = Math.max(bounds.height * (row + 1) / numPaletteRows - y, 1);
e.gc.setBackground(paintColors[row * numPaletteCols + col]);
e.gc.fillRectangle(bounds.x + x, bounds.y + y, width, height);
}
}
}
};
paletteCanvas.addListener(SWT.Resize, refreshListener);
paletteCanvas.addListener(SWT.Paint, refreshListener);
gridLayout = new org.eclipse.swt.layout.GridLayout();
gridLayout.numColumns = 4;
gridLayout.marginHeight = 0;
gridLayout.marginWidth = 0;
toolSettingsFrame.setLayout(gridLayout);
org.eclipse.swt.widgets.Label label =
new org.eclipse.swt.widgets.Label(toolSettingsFrame, SWT.NONE);
label.setText(getResourceString("settings.AirbrushRadius.text"));
final org.eclipse.swt.widgets.Scale airbrushRadiusScale =
new org.eclipse.swt.widgets.Scale(toolSettingsFrame, SWT.HORIZONTAL);
airbrushRadiusScale.setMinimum(5);
airbrushRadiusScale.setMaximum(50);
airbrushRadiusScale.setSelection(toolSettings.airbrushRadius);
airbrushRadiusScale.setLayoutData(
new org.eclipse.swt.layout.GridData(
GridData.FILL_HORIZONTAL | GridData.VERTICAL_ALIGN_FILL));
airbrushRadiusScale.addSelectionListener(
new org.eclipse.swt.events.SelectionAdapter() {
public void widgetSelected(org.eclipse.swt.events.SelectionEvent e) {
toolSettings.airbrushRadius = airbrushRadiusScale.getSelection();
updateToolSettings();
}
});
label = new org.eclipse.swt.widgets.Label(toolSettingsFrame, SWT.NONE);
label.setText(getResourceString("settings.AirbrushIntensity.text"));
final org.eclipse.swt.widgets.Scale airbrushIntensityScale =
new org.eclipse.swt.widgets.Scale(toolSettingsFrame, SWT.HORIZONTAL);
airbrushIntensityScale.setMinimum(1);
airbrushIntensityScale.setMaximum(100);
airbrushIntensityScale.setSelection(toolSettings.airbrushIntensity);
airbrushIntensityScale.setLayoutData(
new org.eclipse.swt.layout.GridData(
GridData.FILL_HORIZONTAL | GridData.VERTICAL_ALIGN_FILL));
airbrushIntensityScale.addSelectionListener(
new org.eclipse.swt.events.SelectionAdapter() {
public void widgetSelected(org.eclipse.swt.events.SelectionEvent e) {
toolSettings.airbrushIntensity = airbrushIntensityScale.getSelection();
updateToolSettings();
}
});
}