/**
* do a dilation operation
*
* @param original Original region
* @param r Radius of a circle used for dilation operation
* @param search HashSet of search area
* @return Dilated region
*/
public static Region doDilationOperation(Region original, int r, HashSet<Integer> search) {
Region region = new Region();
/*
* Create a relative distance list of a radius 'r' circle
*/
ArrayList<Point> rdlist = new ArrayList<Point>();
for (int x = -r; x <= r; x++) {
for (int y = -r; y <= r; y++) {
if (x * x + y * y <= r * r) {
rdlist.add(new Point(x, y));
}
}
}
/*
* Set search area if 'search' is empty
*/
if (search == null || search.isEmpty()) {
search = new HashSet<Integer>();
int x_from = Math.max(original.left - r, 0);
int x_to = Math.min(original.right + r, canvas_width - 1);
int y_from = Math.max(original.top - r, 0);
int y_to = Math.min(original.bottom + r, canvas_height - 1);
for (int x = x_from; x <= x_to; x++) {
for (int y = y_from; y <= y_to; y++) {
search.add(ID(x, y));
}
}
}
/*
* Dilation operation
*/
for (int id : search) {
Point pos = XY(id);
boolean flag = false;
// check if there is a region pixel around (x, y)
for (Point p : rdlist) {
if (original.contains(pos.x + p.x, pos.y + p.y)) {
flag = true;
break;
}
}
// point (x, y) is added by dilation operation
if (flag) {
region.addPixel(pos.x, pos.y);
}
}
return region;
}
public TrapezoidList tesselateStroke(
Shape s,
BasicStroke bs,
boolean thin,
boolean adjust,
boolean antialias,
AffineTransform at,
Region clip) {
float lw;
if (thin) {
if (antialias) {
lw = 0.5f;
} else {
lw = 1.0f;
}
} else {
lw = bs.getLineWidth();
}
convertPathData(s, at);
double[] dashArray = floatToDoubleArray(bs.getDashArray());
xTrapArray[0] = 0;
xTrapArray =
tesselateStrokeNative(
points.getArray(),
ops.getArray(),
points.getSize(),
ops.getSize(),
xTrapArray,
xTrapArray.length,
lw,
bs.getEndCap(),
bs.getLineJoin(),
bs.getMiterLimit(),
dashArray,
dashArray.length,
bs.getDashPhase(),
1,
0,
0,
0,
1,
0,
clip.getLoX(),
clip.getLoY(),
clip.getHiX(),
clip.getHiY());
return new TrapezoidList(xTrapArray);
}
public TrapezoidList tesselateFill(Shape s, AffineTransform at, Region clip) {
int windingRule = convertPathData(s, at);
xTrapArray[0] = 0;
xTrapArray =
tesselateFillNative(
points.getArray(),
ops.getArray(),
points.getSize(),
ops.getSize(),
xTrapArray,
xTrapArray.length,
getCairoWindingRule(windingRule),
clip.getLoX(),
clip.getLoY(),
clip.getHiX(),
clip.getHiY());
return new TrapezoidList(xTrapArray);
}
@Override
public Color getColor(SynthContext context, ColorType type) {
JComponent c = context.getComponent();
Region id = context.getRegion();
int state = context.getComponentState();
if (c.getName() == "Table.cellRenderer") {
if (type == ColorType.BACKGROUND) {
return c.getBackground();
}
if (type == ColorType.FOREGROUND) {
return c.getForeground();
}
}
if (id == Region.LABEL && type == ColorType.TEXT_FOREGROUND) {
type = ColorType.FOREGROUND;
}
// For the enabled state, prefer the widget's colors
if (!id.isSubregion() && (state & SynthConstants.ENABLED) != 0) {
if (type == ColorType.BACKGROUND) {
return c.getBackground();
} else if (type == ColorType.FOREGROUND) {
return c.getForeground();
} else if (type == ColorType.TEXT_FOREGROUND) {
// If getForeground returns a non-UIResource it means the
// developer has explicitly set the foreground, use it over
// that of TEXT_FOREGROUND as that is typically the expected
// behavior.
Color color = c.getForeground();
if (color != null && !(color instanceof UIResource)) {
return color;
}
}
}
return getColorForState(context, type);
}
/**
* Returns the color for the specified state.
*
* @param context SynthContext identifying requestor
* @param state to get the color for
* @param type of the color
* @return Color to render with
*/
Color getGTKColor(SynthContext context, int state, ColorType type) {
if (context != null) {
JComponent c = context.getComponent();
Region id = context.getRegion();
state = GTKLookAndFeel.synthStateToGTKState(id, state);
if (!id.isSubregion() && (state & SynthConstants.ENABLED) != 0) {
if (type == ColorType.BACKGROUND || type == ColorType.TEXT_BACKGROUND) {
Color bg = c.getBackground();
if (!(bg instanceof UIResource)) {
return bg;
}
} else if (type == ColorType.FOREGROUND || type == ColorType.TEXT_FOREGROUND) {
Color fg = c.getForeground();
if (!(fg instanceof UIResource)) {
return fg;
}
}
}
}
return getStyleSpecificColor(context, state, type);
}
/**
* Returns the Insets. If <code>insets</code> is non-null the resulting insets will be placed in
* it, otherwise a new Insets object will be created and returned.
*
* @param context SynthContext identifying requestor
* @param insets Where to place Insets
* @return Insets.
*/
@Override
public Insets getInsets(SynthContext state, Insets insets) {
Region id = state.getRegion();
JComponent component = state.getComponent();
String name = (id.isSubregion()) ? null : component.getName();
if (insets == null) {
insets = new Insets(0, 0, 0, 0);
} else {
insets.top = insets.bottom = insets.left = insets.right = 0;
}
if (id == Region.ARROW_BUTTON || id == Region.BUTTON || id == Region.TOGGLE_BUTTON) {
if ("Spinner.previousButton" == name || "Spinner.nextButton" == name) {
return getSimpleInsets(state, insets, 1);
} else {
return getButtonInsets(state, insets);
}
} else if (id == Region.CHECK_BOX || id == Region.RADIO_BUTTON) {
return getRadioInsets(state, insets);
} else if (id == Region.MENU_BAR) {
return getMenuBarInsets(state, insets);
} else if (id == Region.MENU
|| id == Region.MENU_ITEM
|| id == Region.CHECK_BOX_MENU_ITEM
|| id == Region.RADIO_BUTTON_MENU_ITEM) {
return getMenuItemInsets(state, insets);
} else if (id == Region.FORMATTED_TEXT_FIELD) {
return getTextFieldInsets(state, insets);
} else if (id == Region.INTERNAL_FRAME) {
insets = Metacity.INSTANCE.getBorderInsets(state, insets);
} else if (id == Region.LABEL) {
if ("TableHeader.renderer" == name) {
return getButtonInsets(state, insets);
} else if (component instanceof ListCellRenderer) {
return getTextFieldInsets(state, insets);
} else if ("Tree.cellRenderer" == name) {
return getSimpleInsets(state, insets, 1);
}
} else if (id == Region.OPTION_PANE) {
return getSimpleInsets(state, insets, 6);
} else if (id == Region.POPUP_MENU) {
return getSimpleInsets(state, insets, 2);
} else if (id == Region.PROGRESS_BAR
|| id == Region.SLIDER
|| id == Region.TABBED_PANE
|| id == Region.TABBED_PANE_CONTENT
|| id == Region.TOOL_BAR
|| id == Region.TOOL_BAR_DRAG_WINDOW
|| id == Region.TOOL_TIP) {
return getThicknessInsets(state, insets);
} else if (id == Region.SCROLL_BAR) {
return getScrollBarInsets(state, insets);
} else if (id == Region.SLIDER_TRACK) {
return getSliderTrackInsets(state, insets);
} else if (id == Region.TABBED_PANE_TAB) {
return getTabbedPaneTabInsets(state, insets);
} else if (id == Region.TEXT_FIELD || id == Region.PASSWORD_FIELD) {
if (name == "Tree.cellEditor") {
return getSimpleInsets(state, insets, 1);
}
return getTextFieldInsets(state, insets);
} else if (id == Region.SEPARATOR
|| id == Region.POPUP_MENU_SEPARATOR
|| id == Region.TOOL_BAR_SEPARATOR) {
return getSeparatorInsets(state, insets);
} else if (id == GTKEngine.CustomRegion.TITLED_BORDER) {
return getThicknessInsets(state, insets);
}
return insets;
}