/**
* Adds to the receiver a quadratic curve based on the parameters.
*
* @param cx the x coordinate of the control point of the spline
* @param cy the y coordinate of the control point of the spline
* @param x the x coordinate of the end point of the spline
* @param y the y coordinate of the end point of the spline
* @exception SWTException
* <ul>
* <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed
* </ul>
*/
public void quadTo(float cx, float cy, float x, float y) {
if (isDisposed()) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED);
NSPoint pt = new NSPoint();
pt.x = x;
pt.y = y;
NSPoint ct = new NSPoint();
ct.x = cx;
ct.y = cy;
handle.curveToPoint(pt, ct, ct);
}
/**
* Adds to the receiver a cubic bezier curve based on the parameters.
*
* @param cx1 the x coordinate of the first control point of the spline
* @param cy1 the y coordinate of the first control of the spline
* @param cx2 the x coordinate of the second control of the spline
* @param cy2 the y coordinate of the second control of the spline
* @param x the x coordinate of the end point of the spline
* @param y the y coordinate of the end point of the spline
* @exception SWTException
* <ul>
* <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed
* </ul>
*/
public void cubicTo(float cx1, float cy1, float cx2, float cy2, float x, float y) {
if (isDisposed()) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED);
NSPoint pt = new NSPoint();
pt.x = x;
pt.y = y;
NSPoint ct1 = new NSPoint();
ct1.x = cx1;
ct1.y = cy1;
NSPoint ct2 = new NSPoint();
ct2.x = cx2;
ct2.y = cy2;
handle.curveToPoint(pt, ct1, ct2);
}
/**
* Sets the current point of the receiver to the point specified by (x, y). Note that this starts
* a new sub path.
*
* @param x the x coordinate of the new end point
* @param y the y coordinate of the new end point
* @exception SWTException
* <ul>
* <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed
* </ul>
*/
public void moveTo(float x, float y) {
if (isDisposed()) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED);
NSPoint pt = new NSPoint();
pt.x = x;
pt.y = y;
handle.moveToPoint(pt);
}
/**
* Returns <code>true</code> if the specified point is contained by the receiver and false
* otherwise.
*
* <p>If outline is <code>true</code>, the point (x, y) checked for containment in the receiver's
* outline. If outline is <code>false</code>, the point is checked to see if it is contained
* within the bounds of the (closed) area covered by the receiver.
*
* @param x the x coordinate of the point to test for containment
* @param y the y coordinate of the point to test for containment
* @param gc the GC to use when testing for containment
* @param outline controls whether to check the outline or contained area of the path
* @return <code>true</code> if the path contains the point and <code>false</code> otherwise
* @exception IllegalArgumentException
* <ul>
* <li>ERROR_NULL_ARGUMENT - if the gc is null
* <li>ERROR_INVALID_ARGUMENT - if the gc has been disposed
* </ul>
*
* @exception SWTException
* <ul>
* <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed
* </ul>
*/
public boolean contains(float x, float y, GC gc, boolean outline) {
if (isDisposed()) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED);
if (gc == null) SWT.error(SWT.ERROR_NULL_ARGUMENT);
if (gc.isDisposed()) SWT.error(SWT.ERROR_INVALID_ARGUMENT);
// gc.checkGC(GC.LINE_CAP | GC.LINE_JOIN | GC.LINE_STYLE | GC.LINE_WIDTH);
// TODO outline
NSPoint point = new NSPoint();
point.x = x;
point.y = y;
return handle.containsPoint(point);
}
void drawRectangles(NSWindow window, Rectangle[] rects, boolean erase) {
NSGraphicsContext context = window.graphicsContext();
NSGraphicsContext.static_saveGraphicsState();
NSGraphicsContext.setCurrentContext(context);
context.saveGraphicsState();
Point parentOrigin;
if (parent != null) {
parentOrigin = display.map(parent, null, 0, 0);
} else {
parentOrigin = new Point(0, 0);
}
context.setCompositingOperation(erase ? OS.NSCompositeClear : OS.NSCompositeSourceOver);
NSRect rectFrame = new NSRect();
NSPoint globalPoint = new NSPoint();
double /*float*/ screenHeight = display.getPrimaryFrame().height;
for (int i = 0; i < rects.length; i++) {
Rectangle rect = rects[i];
rectFrame.x = rect.x + parentOrigin.x;
rectFrame.y = screenHeight - (int) ((rect.y + parentOrigin.y) + rect.height);
rectFrame.width = rect.width;
rectFrame.height = rect.height;
globalPoint.x = rectFrame.x;
globalPoint.y = rectFrame.y;
globalPoint = window.convertScreenToBase(globalPoint);
rectFrame.x = globalPoint.x;
rectFrame.y = globalPoint.y;
if (erase) {
rectFrame.width++;
rectFrame.height++;
NSBezierPath.fillRect(rectFrame);
} else {
rectFrame.x += 0.5f;
rectFrame.y += 0.5f;
NSBezierPath.strokeRect(rectFrame);
}
}
if (!erase) context.flushGraphics();
context.restoreGraphicsState();
NSGraphicsContext.static_restoreGraphicsState();
}
/**
* Adds to the receiver the pattern of glyphs generated by drawing the given string using the
* given font starting at the point (x, y).
*
* @param string the text to use
* @param x the x coordinate of the starting point
* @param y the y coordinate of the starting point
* @param font the font to use
* @exception IllegalArgumentException
* <ul>
* <li>ERROR_NULL_ARGUMENT - if the font is null
* <li>ERROR_INVALID_ARGUMENT - if the font has been disposed
* </ul>
*
* @exception SWTException
* <ul>
* <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed
* </ul>
*/
public void addString(String string, float x, float y, Font font) {
if (isDisposed()) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED);
if (font == null) SWT.error(SWT.ERROR_NULL_ARGUMENT);
if (font.isDisposed()) SWT.error(SWT.ERROR_INVALID_ARGUMENT);
NSString str = NSString.stringWith(string);
NSTextStorage textStorage = ((NSTextStorage) new NSTextStorage().alloc());
textStorage.initWithString_(str);
NSLayoutManager layoutManager = (NSLayoutManager) new NSLayoutManager().alloc().init();
NSTextContainer textContainer = (NSTextContainer) new NSTextContainer().alloc();
NSSize size = new NSSize();
size.width = Float.MAX_VALUE;
size.height = Float.MAX_VALUE;
textContainer.initWithContainerSize(size);
textStorage.addLayoutManager(layoutManager);
layoutManager.addTextContainer(textContainer);
NSRange range = new NSRange();
range.length = str.length();
textStorage.beginEditing();
textStorage.addAttribute(OS.NSFontAttributeName(), font.handle, range);
textStorage.endEditing();
range = layoutManager.glyphRangeForTextContainer(textContainer);
if (range.length != 0) {
int glyphs = OS.malloc(4 * range.length * 2);
layoutManager.getGlyphs(glyphs, range);
NSBezierPath path = NSBezierPath.bezierPath();
NSPoint point = new NSPoint();
point.x = x;
point.y = y;
path.moveToPoint(point);
path.appendBezierPathWithGlyphs(glyphs, range.length, font.handle);
NSAffineTransform transform = NSAffineTransform.transform();
transform.scaleXBy(1, -1);
transform.translateXBy(0, -((2 * y) + textStorage.size().height));
path.transformUsingAffineTransform(transform);
OS.free(glyphs);
handle.appendBezierPath(path);
}
textContainer.release();
layoutManager.release();
textStorage.release();
}