private void markPoint(double x, double y, String label, Color fg, Color bg, GC gc) {
gc.setForeground(black);
gc.setBackground(bg);
gc.fillOval((int) x - 3, (int) y - 3, 7, 7);
gc.drawOval((int) x - 3, (int) y - 3, 6, 6);
gc.setForeground(fg);
gc.setBackground(white);
if (y > 0) {
gc.drawText(label, (int) x + 8, (int) y + 4, true);
} else {
gc.drawText(label, (int) x + 10, (int) y - 10, true);
}
}
/**
* Draws the rotated text.
*
* @param gc the graphics context
* @param text the text
* @param x the x coordinate
* @param y the y coordinate
* @param angle the angle
*/
private void drawRotatedText(GC gc, String text, float x, float y, int angle) {
int textWidth = gc.textExtent(text).x;
int textHeight = gc.textExtent(text).y;
// create image to draw text
Image image = new Image(Display.getCurrent(), textWidth, textHeight);
GC tmpGc = new GC(image);
tmpGc.setForeground(getForeground());
tmpGc.setBackground(gc.getBackground());
tmpGc.setFont(getFont());
tmpGc.drawText(text, 0, 0);
// set transform to rotate
Transform transform = new Transform(gc.getDevice());
transform.translate(x, y);
transform.rotate(360 - angle);
gc.setTransform(transform);
// draw the image on the rotated graphics context
gc.drawImage(image, 0, 0);
// dispose resources
tmpGc.dispose();
transform.dispose();
image.dispose();
gc.setTransform(null);
}
public void writeValue(int ex) {
double x = xyGraph.primaryXAxis.getPositionValue(ex, false);
int index = (int) x;
if (index < 0) {
return;
}
Sample sample = (Sample) trace.getDataProvider().getSample(index);
if (sample != null) {
double y = sample.getYValue();
int height = xyGraph.primaryYAxis.getValuePosition(y, false);
int startX = xyGraph.primaryXAxis.getValuePosition((int) x, false);
GC gc = new GC(canvas);
Font font = new Font(null, "Verdana", 10, SWT.BOLD);
gc.setFont(font);
String value = FormatUtil.print(y, "#,###");
Point textSize = gc.textExtent(value);
gc.drawText(value, startX + (xAxisUnitWidth - textSize.x) / 2, height - 20, true);
int ground = xyGraph.primaryYAxis.getValuePosition(0, false);
gc.setForeground(Display.getCurrent().getSystemColor(SWT.COLOR_BLACK));
gc.setBackground(Display.getCurrent().getSystemColor(SWT.COLOR_DARK_MAGENTA));
gc.drawRectangle(
startX + (xAxisUnitWidth - lineWidth) / 2, height, lineWidth, ground - height);
gc.fillRectangle(
startX + (xAxisUnitWidth - lineWidth) / 2, height, lineWidth, ground - height);
gc.dispose();
writedValueMode = true;
lastWritedX = ex;
}
}
protected void drawInformation(GC gc) {
super.drawInformation(gc);
String info2 = "SHFIT+×ó - Ç°ÒÆ SHIFT+ÓÒ - ºóÒÆ";
Point ts = gc.textExtent(info2);
Point size = getSize();
gc.drawText(info2, size.x / 2 - ts.x / 2, size.y - ts.y * 2 - 5);
}
private static void paintImage(GC gc, Point size) {
gc.setBackground(gc.getDevice().getSystemColor(SWT.COLOR_WIDGET_BACKGROUND));
gc.fillRectangle(0, 0, size.x, size.y);
gc.setBackground(gc.getDevice().getSystemColor(SWT.COLOR_LIST_SELECTION));
gc.fillRoundRectangle(0, 0, size.x - 1, size.y - 1, 10, 10);
gc.setBackground(gc.getDevice().getSystemColor(SWT.COLOR_WIDGET_BACKGROUND));
gc.drawRoundRectangle(0, 0, size.x - 1, size.y - 1, 10, 10);
gc.drawText(gc.getFont().getFontData()[0].toString(), 10, 10, true);
}
@Override
public GC postCalculation(GC toDraw) {
textScale = (float) canvas.imageDimension.width / (float) canvas.sourceImage.getWidth();
String text = (int) (textScale * 100) + "%";
Point textDim = toDraw.textExtent(text);
toDraw.drawText(
text,
canvas.canvasDimension.width - textDim.x - 20,
canvas.canvasDimension.height - textDim.y - 20);
return toDraw;
}
private void drawVersionWarning(GC gc, Display display) {
gc.setBackground(versionWarningBackgroundColor);
gc.setForeground(versionWarningForegroundColor);
gc.fillRectangle(290, 231, 367, 49);
gc.drawRectangle(290, 231, 367, 49);
gc.setForeground(display.getSystemColor(SWT.COLOR_BLACK));
gc.drawImage(exclamation_image, 304, 243);
gc.setFont(devWarningFont);
gc.drawText(
BaseMessages.getString(PKG, "SplashDialog.DevelopmentWarning"), 335, 241); // $NON-NLS-1$
}
protected void drawButtons(GC gc) {
Point size = getSize();
gc.setBackground(getBackground());
gc.setForeground(AbstractImageViewer.invert(getBackground()));
int bx = 1;
int i;
for (i = 0; i < buttonTexts.length; i++) {
Point ts = gc.textExtent(buttonTexts[i]);
int by = size.y - ts.y - 8;
int bw = ts.x + 7;
int bh = ts.y + 6;
buttonBounds[i] = new Rectangle(bx, by, bw, bh);
gc.setForeground(AbstractImageViewer.invert(getBackground()));
gc.drawRectangle(buttonBounds[i]);
gc.drawText(buttonTexts[i], buttonBounds[i].x + 4, buttonBounds[i].y + 4);
bx += bw + 2;
}
}
public void paintControl(PaintEvent e) {
if (text == null || foreground == null) return;
GC gc = e.gc;
Color oldForeground = gc.getForeground(), oldBackground = gc.getBackground();
Font oldFont = gc.getFont();
int oldAntiAlias = gc.getTextAntialias();
gc.setTextAntialias(SWT.ON);
if (background != null) gc.setBackground(background);
if (font != null) gc.setFont(font);
int finalX = x, finalY = y;
if (useRelativeXY) {
Point size = shell.getSize();
Point textExtent = gc.textExtent(text);
if (x >= 0) finalX = x;
else {
finalX = size.x + x;
finalX -= textExtent.x;
}
if (y >= 0) finalY = y;
else {
finalY = size.y + y;
finalY -= textExtent.y;
}
}
gc.setForeground(foreground);
gc.drawText(text, finalX, finalY, background == null);
gc.setForeground(oldForeground);
gc.setBackground(oldBackground);
gc.setFont(oldFont);
gc.setTextAntialias(oldAntiAlias);
}
/**
* Draw the X tick.
*
* @param gc the graphics context
*/
private void drawXTick(GC gc) {
int offset = axis.getTick().getAxisTickMarks().getBounds().x;
// draw tick labels
gc.setFont(axis.getTick().getFont());
int angle = axis.getTick().getTickLabelAngle();
for (int i = 0; i < tickLabelPositions.size(); i++) {
if (axis.isValidCategoryAxis() || tickVisibilities.get(i) == true) {
String text = tickLabels.get(i);
int textWidth = gc.textExtent(text).x;
int textHeight = gc.textExtent(text).y;
if (angle == 0) {
int x = (int) (tickLabelPositions.get(i) - textWidth / 2d + offset);
gc.drawText(text, bounds.x + x, bounds.y);
continue;
}
float x, y;
if (axis.getPosition() == Position.Primary) {
x =
(float)
(offset
+ bounds.x
+ tickLabelPositions.get(i)
- textWidth * Math.cos(Math.toRadians(angle))
- textHeight / 2d * Math.sin(Math.toRadians(angle)));
y = (float) (bounds.y + textWidth * Math.sin(Math.toRadians(angle)));
} else {
x =
(float)
(offset
+ bounds.x
+ tickLabelPositions.get(i)
- textHeight / 2d * Math.sin(Math.toRadians(angle)));
y = (float) (bounds.y + tickLabelMaxLength * Math.sin(Math.toRadians(angle)));
}
drawRotatedText(gc, text, x, y, angle);
}
}
}
/**
* Draw the Y tick.
*
* @param gc the graphics context
*/
private void drawYTick(GC gc) {
int margin = Axis.MARGIN + AxisTickMarks.TICK_LENGTH;
// draw tick labels
gc.setFont(axis.getTick().getFont());
int figureHeight = gc.textExtent("dummy").y;
for (int i = 0; i < tickLabelPositions.size(); i++) {
if (tickVisibilities.size() == 0 || tickLabels.size() == 0) {
break;
}
if (tickVisibilities.get(i) == true) {
String text = tickLabels.get(i);
int x = 0;
if (tickLabels.get(0).startsWith("-") && !text.startsWith("-")) {
x += gc.textExtent("-").x;
}
int y = (int) (bounds.height - 1 - tickLabelPositions.get(i) - figureHeight / 2.0 - margin);
gc.drawText(text, bounds.x + x, bounds.y + y);
}
}
}
private static void paintImage2(GC gc, Point size, int f) {
gc.setBackground(gc.getDevice().getSystemColor(SWT.COLOR_WIDGET_BACKGROUND));
gc.fillRectangle(0, 0, size.x, size.y);
// Scale line width, corner roundness, and font size.
// Caveat: line width expands in all directions, so the origin also has to move.
gc.setBackground(gc.getDevice().getSystemColor(SWT.COLOR_LIST_SELECTION));
gc.fillRoundRectangle(f / 2, f / 2, size.x - f, size.y - f, 10 * f, 10 * f);
gc.setBackground(gc.getDevice().getSystemColor(SWT.COLOR_WIDGET_BACKGROUND));
gc.setLineWidth(f);
gc.drawRoundRectangle(f / 2, f / 2, size.x - f, size.y - f, 10 * f, 10 * f);
FontData fontData = gc.getFont().getFontData()[0];
fontData.setHeight(fontData.getHeight() * f);
Font font = new Font(gc.getDevice(), fontData);
try {
gc.setFont(font);
gc.drawText(fontData.toString(), 10 * f, 10 * f, true);
} finally {
font.dispose();
}
}
/*
* (non-Javadoc)
*
* @see
* org.eclipse.nebula.widgets.gallery.AbstractGalleryItemRenderer#draw(org
* .eclipse.swt.graphics.GC, org.eclipse.nebula.widgets.gallery.GalleryItem,
* int, int, int, int, int)
*/
public void draw(GC gc, GalleryItem item, int index, int x, int y, int width, int height) {
Image itemImage = item.getImage();
Color itemBackgroundColor = item.getBackground();
Color itemForegroundColor = item.getForeground();
int useableHeight = height;
int imageWidth = 0;
int imageHeight = 0;
int xShift = 0;
int yShift = 0;
Point size = null;
if (itemImage != null) {
Rectangle itemImageBounds = itemImage.getBounds();
imageWidth = itemImageBounds.width;
imageHeight = itemImageBounds.height;
size =
RendererHelper.getBestSize(
imageWidth,
imageHeight,
useableHeight - 4 - this.dropShadowsSize,
useableHeight - 4 - this.dropShadowsSize);
xShift = ((useableHeight - size.x) >> 1) + 2;
yShift = (useableHeight - size.y) >> 1;
if (dropShadows) {
Color c = null;
for (int i = this.dropShadowsSize - 1; i >= 0; i--) {
c = dropShadowsColors.get(i);
gc.setForeground(c);
gc.drawLine(
x + useableHeight + i - xShift - 1,
y + dropShadowsSize + yShift,
x + useableHeight + i - xShift - 1,
y + useableHeight + i - yShift);
gc.drawLine(
x + xShift + dropShadowsSize,
y + useableHeight + i - yShift - 1,
x + useableHeight + i - xShift,
y - 1 + useableHeight + i - yShift);
}
}
}
// Draw selection background (rounded rectangles)
if (selected || RendererHelper.isColorsEquals(itemBackgroundColor, gallery.getBackground())) {
if (selected) {
gc.setBackground(selectionBackgroundColor);
gc.setForeground(selectionBackgroundColor);
} else if (itemBackgroundColor != null) {
gc.setBackground(itemBackgroundColor);
}
if (showRoundedSelectionCorners)
gc.fillRoundRectangle(x, y, width, useableHeight, selectionRadius, selectionRadius);
else gc.fillRectangle(x, y, width, useableHeight);
}
if (itemImage != null && size != null) {
if (size.x > 0 && size.y > 0) {
gc.drawImage(
itemImage, 0, 0, imageWidth, imageHeight, x + xShift, y + yShift, size.x, size.y);
drawAllOverlays(gc, item, x, y, size, xShift, yShift);
}
}
if (item.getText() != null && !EMPTY_STRING.equals(item.getText()) && showLabels) {
// Calculate font height (text and description)
gc.setFont(textFont);
String text = RendererHelper.createLabel(item.getText(), gc, width - useableHeight - 10);
int textFontHeight = gc.getFontMetrics().getHeight();
String description = null;
int descriptionFontHeight = 0;
if (item.getText(1) != null && !EMPTY_STRING.equals(item.getText(1))) {
gc.setFont(descriptionFont);
description = RendererHelper.createLabel(item.getText(1), gc, width - useableHeight - 10);
descriptionFontHeight = gc.getFontMetrics().getHeight();
}
boolean displayText = false;
boolean displayDescription = false;
int remainingHeight = height - 2 - textFontHeight;
if (remainingHeight > 0) displayText = true;
remainingHeight -= descriptionFontHeight;
if (remainingHeight > 0) displayDescription = true;
// Background color
gc.setBackground(selected ? selectionBackgroundColor : backgroundColor);
// Draw text
if (displayText) {
int transY = (height - textFontHeight - 2);
if (displayDescription) transY -= descriptionFontHeight;
transY = transY >> 1;
if (selected) {
gc.setForeground(this.selectionForegroundColor);
} else if (itemForegroundColor != null) {
gc.setForeground(itemForegroundColor);
} else {
gc.setForeground(this.foregroundColor);
}
gc.setFont(textFont);
gc.drawText(text, x + useableHeight + 5, y + transY, true);
}
// Draw description
if (description != null && displayDescription) {
gc.setForeground(this.descriptionColor);
gc.setFont(descriptionFont);
gc.drawText(
description,
x + useableHeight + 5,
y + ((height - descriptionFontHeight - textFontHeight - 2) >> 1) + textFontHeight + 1,
true);
}
}
}
/**
* Paints the preview title at the given position (and returns the required height)
*
* @param gc the graphics context to paint into
* @param x the left edge of the preview rectangle
* @param y the top edge of the preview rectangle
* @param displayName the title string to be used
*/
int paintTitle(GC gc, int x, int y, boolean showFile, String displayName) {
int titleHeight = 0;
if (showFile && mIncludedWithin != null) {
if (mManager.getMode() != INCLUDES) {
displayName = "<include>";
} else {
// Skip: just paint footer instead
displayName = null;
}
}
int width = getWidth();
int labelTop = y + 1;
gc.setClipping(x, labelTop, width, 100);
// Use font height rather than extent height since we want two adjacent
// previews (which may have different display names and therefore end
// up with slightly different extent heights) to have identical title
// heights such that they are aligned identically
int fontHeight = gc.getFontMetrics().getHeight();
if (displayName != null && displayName.length() > 0) {
gc.setForeground(gc.getDevice().getSystemColor(SWT.COLOR_WHITE));
Point extent = gc.textExtent(displayName);
int labelLeft = Math.max(x, x + (width - extent.x) / 2);
Image icon = null;
Locale locale = mConfiguration.getLocale();
if (locale != null
&& (locale.hasLanguage() || locale.hasRegion())
&& (!(mConfiguration instanceof NestedConfiguration)
|| ((NestedConfiguration) mConfiguration).isOverridingLocale())) {
icon = locale.getFlagImage();
}
if (icon != null) {
int flagWidth = icon.getImageData().width;
int flagHeight = icon.getImageData().height;
labelLeft = Math.max(x + flagWidth / 2, labelLeft);
gc.drawImage(icon, labelLeft - flagWidth / 2 - 1, labelTop);
labelLeft += flagWidth / 2 + 1;
gc.drawText(displayName, labelLeft, labelTop - (extent.y - flagHeight) / 2, true);
} else {
gc.drawText(displayName, labelLeft, labelTop, true);
}
labelTop += extent.y;
titleHeight += fontHeight;
}
if (showFile && (mAlternateInput != null || mIncludedWithin != null)) {
// Draw file flag, and parent folder name
IFile file = mAlternateInput != null ? mAlternateInput : mIncludedWithin.getFile();
String fileName = file.getParent().getName() + File.separator + file.getName();
Point extent = gc.textExtent(fileName);
Image icon = IconFactory.getInstance().getIcon("android_file"); // $NON-NLS-1$
int flagWidth = icon.getImageData().width;
int flagHeight = icon.getImageData().height;
int labelLeft = Math.max(x, x + (width - extent.x - flagWidth - 1) / 2);
gc.drawImage(icon, labelLeft, labelTop);
gc.setForeground(gc.getDevice().getSystemColor(SWT.COLOR_GRAY));
labelLeft += flagWidth + 1;
labelTop -= (extent.y - flagHeight) / 2;
gc.drawText(fileName, labelLeft, labelTop, true);
titleHeight += Math.max(titleHeight, icon.getImageData().height);
}
gc.setClipping((Region) null);
return titleHeight;
}
public static void main(String[] args) {
final Display display = new Display();
final int[] count = new int[] {4};
final Image image = new Image(display, 300, 300);
GC gc = new GC(image);
gc.setBackground(display.getSystemColor(SWT.COLOR_CYAN));
gc.fillRectangle(image.getBounds());
gc.drawText("Splash Screen", 10, 10);
gc.dispose();
final Shell splash = new Shell(SWT.ON_TOP);
final ProgressBar bar = new ProgressBar(splash, SWT.NONE);
bar.setMaximum(count[0]);
Label label = new Label(splash, SWT.NONE);
label.setImage(SWTResourceManager.getImage(SplashScreen.class, "/resources/splashep.png"));
FormLayout layout = new FormLayout();
splash.setLayout(layout);
FormData labelData = new FormData();
labelData.right = new FormAttachment(100, 0);
labelData.bottom = new FormAttachment(100, 0);
label.setLayoutData(labelData);
FormData progressData = new FormData();
progressData.left = new FormAttachment(0, 5);
progressData.right = new FormAttachment(100, -5);
progressData.bottom = new FormAttachment(100, -5);
bar.setLayoutData(progressData);
splash.pack();
Rectangle splashRect = splash.getBounds();
Rectangle displayRect = display.getBounds();
int x = (displayRect.width - splashRect.width) / 2;
int y = (displayRect.height - splashRect.height) / 2;
splash.setLocation(x, y);
splash.open();
display.asyncExec(
new Runnable() {
@Override
public void run() {
Shell[] shells = new Shell[count[0]];
for (int i = 0; i < count[0]; i++) {
shells[i] = new Shell(display);
shells[i].setSize(300, 300);
shells[i].addListener(
SWT.Close,
new Listener() {
@Override
public void handleEvent(Event e) {
--count[0];
}
});
bar.setSelection(i + 1);
try {
Thread.sleep(1000);
} catch (Throwable e) {
}
}
splash.close();
image.dispose();
// Start Main Window
MainWindow.main(null);
}
});
while (count[0] != 0) {
if (!display.readAndDispatch()) display.sleep();
}
display.dispose();
}
void onPaint(PaintEvent event) {
Display disp = getDisplay();
Rectangle rect = getClientArea();
if (rect.width == 0 || rect.height == 0) return;
boolean shortenText = false;
String t = text;
Image img = image;
int availableWidth = Math.max(0, rect.width - 2 * hIndent);
Point extent = getTotalSize(img, t);
if (extent.x > availableWidth) {
shortenText = true;
}
GC gc = event.gc;
String[] lines = text == null ? null : splitString(text);
// shorten the text
if (shortenText) {
extent.x = 0;
if (image != null) {
availableWidth -= image.getBounds().width + GAP;
}
for (int i = 0; i < lines.length; i++) {
Point e = gc.textExtent(lines[i], DRAW_FLAGS);
if (e.x > availableWidth) {
lines[i] = shortenText(gc, lines[i], availableWidth);
extent.x = Math.max(extent.x, getTotalSize(img, lines[i]).x);
} else {
extent.x = Math.max(extent.x, e.x);
}
}
setToolTipText(text);
}
// determine horizontal position
int x = rect.x + hIndent;
// draw the background behind the text
Color background = getBackground();
if (selected) {
background =
Activator.getDefault().getFormColors(disp).getColor("labelex_selection_backgound");
}
gc.setBackground(background);
gc.fillRectangle(rect);
// draw the image
if (img != null) {
Rectangle imageRect = img.getBounds();
gc.drawImage(
img,
0,
0,
imageRect.width,
imageRect.height,
x,
(rect.height - imageRect.height) / 2,
imageRect.width,
imageRect.height);
x += imageRect.width + GAP;
extent.x -= imageRect.width + GAP;
}
// draw the text
if (lines != null) {
int lineHeight = gc.getFontMetrics().getHeight();
int textHeight = lines.length * lineHeight;
int lineY = Math.max(vIndent, rect.y + (rect.height - textHeight) / 2);
gc.setForeground(getForeground());
for (int i = 0; i < lines.length; i++) {
int lineX = x;
gc.drawText(lines[i], lineX, lineY, DRAW_FLAGS);
lineY += lineHeight;
}
}
}
int XmNexposureCallback(int w, int client_data, int call_data) {
if ((style & SWT.SEPARATOR) != 0) return 0;
int xDisplay = OS.XtDisplay(handle);
if (xDisplay == 0) return 0;
int xWindow = OS.XtWindow(handle);
if (xWindow == 0) return 0;
int[] argList = {
OS.XmNcolormap, 0,
OS.XmNwidth, 0,
OS.XmNheight, 0,
};
OS.XtGetValues(handle, argList, argList.length / 2);
int width = argList[3], height = argList[5];
Image currentImage = image;
boolean enabled = getEnabled();
if ((parent.style & SWT.FLAT) != 0) {
boolean hasCursor = hasCursor();
/* Set the shadow thickness */
int thickness = 0;
if (set || (hasCursor && enabled)) {
thickness = Math.min(2, display.buttonShadowThickness);
}
argList = new int[] {OS.XmNshadowThickness, thickness};
OS.XtSetValues(handle, argList, argList.length / 2);
/* Determine if hot image should be used */
if (enabled && hasCursor && hotImage != null) {
currentImage = hotImage;
}
}
GCData data = new GCData();
data.device = display;
data.display = xDisplay;
data.drawable = xWindow;
data.font = parent.font;
data.colormap = argList[1];
int xGC = OS.XCreateGC(xDisplay, xWindow, 0, null);
if (xGC == 0) SWT.error(SWT.ERROR_NO_HANDLES);
GC gc = GC.motif_new(xGC, data);
XmAnyCallbackStruct cb = new XmAnyCallbackStruct();
OS.memmove(cb, call_data, XmAnyCallbackStruct.sizeof);
if (cb.event != 0) {
XExposeEvent xEvent = new XExposeEvent();
OS.memmove(xEvent, cb.event, XExposeEvent.sizeof);
Rectangle rect = new Rectangle(xEvent.x, xEvent.y, xEvent.width, xEvent.height);
gc.setClipping(rect);
}
if (!enabled) {
currentImage = disabledImage;
if (currentImage == null && image != null) {
currentImage = new Image(display, image, SWT.IMAGE_DISABLE);
}
Color disabledColor = display.getSystemColor(SWT.COLOR_WIDGET_NORMAL_SHADOW);
gc.setForeground(disabledColor);
} else {
gc.setForeground(parent.getForeground());
}
gc.setBackground(parent.getBackground());
int textX = 0, textY = 0, textWidth = 0, textHeight = 0;
if (text.length() != 0) {
int flags = SWT.DRAW_DELIMITER | SWT.DRAW_TAB | SWT.DRAW_MNEMONIC;
Point textExtent = gc.textExtent(text, flags);
textWidth = textExtent.x;
textHeight = textExtent.y;
}
int imageX = 0, imageY = 0, imageWidth = 0, imageHeight = 0;
if (currentImage != null) {
Rectangle imageBounds = currentImage.getBounds();
imageWidth = imageBounds.width;
imageHeight = imageBounds.height;
}
int spacing = 0;
if (textWidth != 0 && imageWidth != 0) spacing = 2;
if ((parent.style & SWT.RIGHT) != 0) {
imageX = (width - imageWidth - textWidth - spacing) / 2;
imageY = (height - imageHeight) / 2;
textX = spacing + imageX + imageWidth;
textY = (height - textHeight) / 2;
} else {
imageX = (width - imageWidth) / 2;
imageY = (height - imageHeight - textHeight - spacing) / 2;
textX = (width - textWidth) / 2;
textY = spacing + imageY + imageHeight;
}
if ((style & SWT.DROP_DOWN) != 0) {
textX -= 6;
imageX -= 6;
}
if (textWidth > 0) {
int flags = SWT.DRAW_DELIMITER | SWT.DRAW_TAB | SWT.DRAW_MNEMONIC | SWT.DRAW_TRANSPARENT;
gc.drawText(text, textX, textY, flags);
}
if (imageWidth > 0) gc.drawImage(currentImage, imageX, imageY);
if ((style & SWT.DROP_DOWN) != 0) {
int startX = width - 12, startY = (height - 2) / 2;
int[] arrow = {startX, startY, startX + 3, startY + 3, startX + 6, startY};
gc.setBackground(parent.getForeground());
gc.fillPolygon(arrow);
gc.drawPolygon(arrow);
}
gc.dispose();
OS.XFreeGC(xDisplay, xGC);
if (!enabled && disabledImage == null) {
if (currentImage != null) currentImage.dispose();
}
return 0;
}
void onPaint(PaintEvent event) {
Rectangle rect = getClientArea();
if (rect.width == 0 || rect.height == 0) return;
boolean shortenText = false;
String t = text;
Image img = image;
int availableWidth = Math.max(0, rect.width - (leftMargin + rightMargin));
Point extent = getTotalSize(img, t);
if (extent.x > availableWidth) {
img = null;
extent = getTotalSize(img, t);
if (extent.x > availableWidth) {
shortenText = true;
}
}
GC gc = event.gc;
String[] lines = text == null ? null : splitString(text);
// shorten the text
if (shortenText) {
extent.x = 0;
for (int i = 0; i < lines.length; i++) {
Point e = gc.textExtent(lines[i], DRAW_FLAGS);
if (e.x > availableWidth) {
lines[i] = shortenText(gc, lines[i], availableWidth);
extent.x = Math.max(extent.x, getTotalSize(null, lines[i]).x);
} else {
extent.x = Math.max(extent.x, e.x);
}
}
if (appToolTipText == null) {
super.setToolTipText(text);
}
} else {
super.setToolTipText(appToolTipText);
}
// determine horizontal position
int x = rect.x + leftMargin;
if (align == SWT.CENTER) {
x = (rect.width - extent.x) / 2;
}
if (align == SWT.RIGHT) {
x = rect.width - rightMargin - extent.x;
}
// draw a background image behind the text
try {
if (backgroundImage != null) {
// draw a background image behind the text
Rectangle imageRect = backgroundImage.getBounds();
// tile image to fill space
gc.setBackground(getBackground());
gc.fillRectangle(rect);
int xPos = 0;
while (xPos < rect.width) {
int yPos = 0;
while (yPos < rect.height) {
gc.drawImage(backgroundImage, xPos, yPos);
yPos += imageRect.height;
}
xPos += imageRect.width;
}
} else if (gradientColors != null) {
// draw a gradient behind the text
final Color oldBackground = gc.getBackground();
if (gradientColors.length == 1) {
if (gradientColors[0] != null) gc.setBackground(gradientColors[0]);
gc.fillRectangle(0, 0, rect.width, rect.height);
} else {
final Color oldForeground = gc.getForeground();
Color lastColor = gradientColors[0];
if (lastColor == null) lastColor = oldBackground;
int pos = 0;
for (int i = 0; i < gradientPercents.length; ++i) {
gc.setForeground(lastColor);
lastColor = gradientColors[i + 1];
if (lastColor == null) lastColor = oldBackground;
gc.setBackground(lastColor);
if (gradientVertical) {
final int gradientHeight = (gradientPercents[i] * rect.height / 100) - pos;
gc.fillGradientRectangle(0, pos, rect.width, gradientHeight, true);
pos += gradientHeight;
} else {
final int gradientWidth = (gradientPercents[i] * rect.width / 100) - pos;
gc.fillGradientRectangle(pos, 0, gradientWidth, rect.height, false);
pos += gradientWidth;
}
}
if (gradientVertical && pos < rect.height) {
gc.setBackground(getBackground());
gc.fillRectangle(0, pos, rect.width, rect.height - pos);
}
if (!gradientVertical && pos < rect.width) {
gc.setBackground(getBackground());
gc.fillRectangle(pos, 0, rect.width - pos, rect.height);
}
gc.setForeground(oldForeground);
}
gc.setBackground(oldBackground);
} else {
if (background != null || (getStyle() & SWT.DOUBLE_BUFFERED) == 0) {
gc.setBackground(getBackground());
gc.fillRectangle(rect);
}
}
} catch (SWTException e) {
if ((getStyle() & SWT.DOUBLE_BUFFERED) == 0) {
gc.setBackground(getBackground());
gc.fillRectangle(rect);
}
}
// draw border
int style = getStyle();
if ((style & SWT.SHADOW_IN) != 0 || (style & SWT.SHADOW_OUT) != 0) {
paintBorder(gc, rect);
}
/*
* Compute text height and image height. If image height is more than
* the text height, draw image starting from top margin. Else draw text
* starting from top margin.
*/
Rectangle imageRect = null;
int lineHeight = 0, textHeight = 0, imageHeight = 0;
if (img != null) {
imageRect = img.getBounds();
imageHeight = imageRect.height;
}
if (lines != null) {
lineHeight = gc.getFontMetrics().getHeight();
textHeight = lines.length * lineHeight;
}
int imageY = 0, midPoint = 0, lineY = 0;
if (imageHeight > textHeight) {
if (topMargin == DEFAULT_MARGIN && bottomMargin == DEFAULT_MARGIN)
imageY = rect.y + (rect.height - imageHeight) / 2;
else imageY = topMargin;
midPoint = imageY + imageHeight / 2;
lineY = midPoint - textHeight / 2;
} else {
if (topMargin == DEFAULT_MARGIN && bottomMargin == DEFAULT_MARGIN)
lineY = rect.y + (rect.height - textHeight) / 2;
else lineY = topMargin;
midPoint = lineY + textHeight / 2;
imageY = midPoint - imageHeight / 2;
}
// draw the image
if (img != null) {
gc.drawImage(
img, 0, 0, imageRect.width, imageHeight, x, imageY, imageRect.width, imageHeight);
x += imageRect.width + GAP;
extent.x -= imageRect.width + GAP;
}
// draw the text
if (lines != null) {
gc.setForeground(getForeground());
for (int i = 0; i < lines.length; i++) {
int lineX = x;
if (lines.length > 1) {
if (align == SWT.CENTER) {
int lineWidth = gc.textExtent(lines[i], DRAW_FLAGS).x;
lineX = x + Math.max(0, (extent.x - lineWidth) / 2);
}
if (align == SWT.RIGHT) {
int lineWidth = gc.textExtent(lines[i], DRAW_FLAGS).x;
lineX = Math.max(x, rect.x + rect.width - rightMargin - lineWidth);
}
}
gc.drawText(lines[i], lineX, lineY, DRAW_FLAGS);
lineY += lineHeight;
}
}
}
private void drawAttitudeControls(GC gc, int width, int height) {
int size = Math.min(width / 2, height);
int verticalOffset = (height - size) / 2;
gc.setLineWidth(2);
gc.setBackground(background1);
gc.fillArc(width / 2 - size, verticalOffset, size, size, 0, 360);
gc.fillArc(width / 2, verticalOffset, size, size, 0, 360);
gc.setBackground(background2);
gc.fillArc(width / 2 - size, verticalOffset, size, size, (int) pitch, -180);
gc.fillArc(width / 2, verticalOffset, size, size, (int) roll, -180);
gc.setForeground(foregroundWhite);
gc.drawArc(width / 2 - size, verticalOffset, size, size, 0, 360);
gc.drawArc(width / 2, verticalOffset, size, size, 0, 360);
String value = "";
gc.setForeground(foregroundWhite);
for (int i = 0; i < 2; i++) {
int centerX = width / 2 - i * size;
int tickSize = 20;
int step = 20;
for (int theta = 10; theta <= 360; theta += step) {
int x = (int) (size / 2 + size / 2 * Math.cos(theta * Math.PI / 180.0)) + centerX;
int y = (int) (size / 2 + size / 2 * Math.sin(theta * Math.PI / 180.0));
int xx =
(int) ((size) / 2 + (size - tickSize) / 2 * Math.cos(theta * Math.PI / 180.0))
+ centerX;
int yy = (int) ((size) / 2 + (size - tickSize) / 2 * Math.sin(theta * Math.PI / 180.0));
gc.drawLine(x, verticalOffset + y, xx, verticalOffset + yy);
if (theta < 180) {
if (theta > 90 && theta < 180) {
yy = yy - 15;
xx = xx + 2;
value = String.valueOf(theta);
} else if (theta > 45 && theta <= 90) {
yy = yy - 15;
xx = xx - 10;
value = String.valueOf(theta);
} else if (theta < 45) {
yy = yy - 15;
xx = xx - 15;
value = String.valueOf(theta);
}
gc.drawText(value, xx, verticalOffset + yy, true);
} else {
if (theta > 270) {
xx = xx - 9;
value = String.valueOf(theta - 360);
} else {
xx = xx - 3;
value = String.valueOf(theta - 360);
}
if (theta == 180) {
yy = yy - 7;
xx = xx + 10;
} else if (theta == 360) {
yy = yy - 7;
xx = xx - 3;
}
gc.drawText(value, xx, verticalOffset + yy, true);
}
}
}
}
/**
* Paints the preview at the given x/y position
*
* @param gc the graphics context to paint it into
* @param x the x coordinate to paint the preview at
* @param y the y coordinate to paint the preview at
*/
void paint(GC gc, int x, int y) {
mTitleHeight = paintTitle(gc, x, y, true /*showFile*/);
y += mTitleHeight;
y += 2;
int width = getWidth();
int height = getHeight();
if (mThumbnail != null && mError == null) {
gc.drawImage(mThumbnail, x, y);
if (mActive) {
int oldWidth = gc.getLineWidth();
gc.setLineWidth(3);
gc.setForeground(gc.getDevice().getSystemColor(SWT.COLOR_LIST_SELECTION));
gc.drawRectangle(x - 1, y - 1, width + 2, height + 2);
gc.setLineWidth(oldWidth);
}
} else if (mError != null) {
if (mThumbnail != null) {
gc.drawImage(mThumbnail, x, y);
} else {
gc.setBackground(gc.getDevice().getSystemColor(SWT.COLOR_WIDGET_BORDER));
gc.drawRectangle(x, y, width, height);
}
gc.setClipping(x, y, width, height);
Image icon = IconFactory.getInstance().getIcon("renderError"); // $NON-NLS-1$
ImageData data = icon.getImageData();
int prevAlpha = gc.getAlpha();
int alpha = 96;
if (mThumbnail != null) {
alpha -= 32;
}
gc.setAlpha(alpha);
gc.drawImage(icon, x + (width - data.width) / 2, y + (height - data.height) / 2);
String msg = mError;
Density density = mConfiguration.getDensity();
if (density == Density.TV || density == Density.LOW) {
msg =
"Broken rendering library; unsupported DPI. Try using the SDK manager "
+ "to get updated layout libraries.";
}
int charWidth = gc.getFontMetrics().getAverageCharWidth();
int charsPerLine = (width - 10) / charWidth;
msg = SdkUtils.wrap(msg, charsPerLine, null);
gc.setAlpha(255);
gc.setForeground(gc.getDevice().getSystemColor(SWT.COLOR_BLACK));
gc.drawText(msg, x + 5, y + HEADER_HEIGHT, true);
gc.setAlpha(prevAlpha);
gc.setClipping((Region) null);
} else {
gc.setBackground(gc.getDevice().getSystemColor(SWT.COLOR_WIDGET_BORDER));
gc.drawRectangle(x, y, width, height);
Image icon = IconFactory.getInstance().getIcon("refreshPreview"); // $NON-NLS-1$
ImageData data = icon.getImageData();
int prevAlpha = gc.getAlpha();
gc.setAlpha(96);
gc.drawImage(icon, x + (width - data.width) / 2, y + (height - data.height) / 2);
gc.setAlpha(prevAlpha);
}
if (mActive) {
int left = x;
int prevAlpha = gc.getAlpha();
gc.setAlpha(208);
Color bg = mCanvas.getDisplay().getSystemColor(SWT.COLOR_WHITE);
gc.setBackground(bg);
gc.fillRectangle(left, y, x + width - left, HEADER_HEIGHT);
gc.setAlpha(prevAlpha);
y += 2;
// Paint icons
gc.drawImage(CLOSE_ICON, left, y);
left += CLOSE_ICON_WIDTH;
gc.drawImage(ZOOM_IN_ICON, left, y);
left += ZOOM_IN_ICON_WIDTH;
gc.drawImage(ZOOM_OUT_ICON, left, y);
left += ZOOM_OUT_ICON_WIDTH;
gc.drawImage(EDIT_ICON, left, y);
left += EDIT_ICON_WIDTH;
}
}
private void drawGraph(PaintEvent e) {
GC gc = e.gc;
Point size = canvasCurve.getSize();
int gridSize = 50 - sliderZoom.getSelection();
Color black = new Color(canvasCurve.getDisplay(), 0, 0, 0);
Color grey = new Color(canvasCurve.getDisplay(), 235, 235, 235);
// first, draw the grid
gc.setForeground(grey);
for (int i = 0; i < size.x / 2; i += gridSize) {
gc.drawLine(size.x / 2 - i, 0, size.x / 2 - i, size.y);
gc.drawLine(size.x / 2 + i, 0, size.x / 2 + i, size.y);
}
for (int i = 0; i < size.y / 2; i += gridSize) {
gc.drawLine(0, size.y / 2 - i, size.x, size.y / 2 - i);
gc.drawLine(0, size.y / 2 + i, size.x, size.y / 2 + i);
}
// Draw the axis
gc.setForeground(black); // Black
gc.drawLine(size.x / 2, 0, size.x / 2, size.y);
gc.drawLine(0, size.y / 2, size.x, size.y / 2);
int labeljumps = 5;
int scale = (size.x / 2 / gridSize) - ((size.x / 2 / gridSize) % labeljumps);
if (scale > 50) labeljumps = 10;
for (int i = 0; i < size.x / 2; i += gridSize) {
if ((i / gridSize) % labeljumps == 0) {
gc.drawLine(size.x / 2 + i, size.y / 2 - 8, size.x / 2 + i, size.y / 2 + 8);
gc.drawLine(size.x / 2 - i, size.y / 2 - 8, size.x / 2 - i, size.y / 2 + 8);
gc.drawLine(size.x / 2 - 8, size.y / 2 + i, size.x / 2 + 8, size.y / 2 + i);
gc.drawLine(size.x / 2 - 8, size.y / 2 - i, size.x / 2 + 8, size.y / 2 - i);
int label = i / gridSize;
if (label < 10) {
if (label != 0) {
gc.drawText(label + "", size.x / 2 + i - 2, size.y / 2 + 10, true); // $NON-NLS-1$
gc.drawText(-label + "", size.x / 2 - i - 5, size.y / 2 + 10, true); // $NON-NLS-1$
gc.drawText(label + "", size.x / 2 + 13, size.y / 2 - i - 7, true); // $NON-NLS-1$
gc.drawText(-label + "", size.x / 2 + 13, size.y / 2 + i - 7, true); // $NON-NLS-1$
} else {
gc.drawText(label + "", size.x / 2 + i + 13, size.y / 2 + 10, true); // $NON-NLS-1$
}
} else {
gc.drawText(label + "", size.x / 2 + i - 6, size.y / 2 + 10, true); // $NON-NLS-1$
gc.drawText(-label + "", size.x / 2 - i - 10, size.y / 2 + 10, true); // $NON-NLS-1$
gc.drawText(label + "", size.x / 2 + 13, size.y / 2 - i - 7, true); // $NON-NLS-1$
gc.drawText(-label + "", size.x / 2 + 13, size.y / 2 + i - 7, true); // $NON-NLS-1$
}
} else {
gc.drawLine(size.x / 2 + i, size.y / 2 - 2, size.x / 2 + i, size.y / 2 + 2);
gc.drawLine(size.x / 2 - i, size.y / 2 - 2, size.x / 2 - i, size.y / 2 + 2);
gc.drawLine(size.x / 2 - 2, size.y / 2 + i, size.x / 2 + 2, size.y / 2 + i);
gc.drawLine(size.x / 2 - 2, size.y / 2 - i, size.x / 2 + 2, size.y / 2 - i);
}
}
if (points != null) {
gc.setForeground(blue);
double step = Math.pow((double) gridSize, -1);
double x1, y1, x2, y2;
for (int i = 2; i < points.length; i++) {
if (points[i - 2].y == 0) {
if (points[i - 1] != null && points[i - 1].y != 0) {
x1 = (double) points[i - 2].x / 100 / step + size.x / 2;
y1 = -(double) points[i - 2].y / 100 / step + size.y / 2;
x2 = (double) points[i - 1].x / 100 / step + size.x / 2;
y2 = -(double) points[i - 1].y / 100 / step + size.y / 2;
gc.drawLine((int) x1, (int) y1, (int) x2, (int) y2);
gc.drawLine((int) x1, (int) y1 + 1, (int) x2, (int) y2 + 1);
x1 = (double) points[i - 2].x / 100 / step + size.x / 2;
y1 = -(double) points[i - 2].y / 100 / step + size.y / 2;
x2 = (double) points[i].x / 100 / step + size.x / 2;
y2 = -(double) points[i].y / 100 / step + size.y / 2;
gc.drawLine((int) x1, (int) y1, (int) x2, (int) y2);
gc.drawLine((int) x1, (int) y1 + 1, (int) x2, (int) y2 + 1);
} else {
x1 = (double) points[i - 2].x / 100 / step + size.x / 2;
y1 = -(double) points[i - 2].y / 100 / step + size.y / 2;
x2 = (double) points[i - 3].x / 100 / step + size.x / 2;
y2 = -(double) points[i - 3].y / 100 / step + size.y / 2;
gc.drawLine((int) x1, (int) y1, (int) x2, (int) y2);
gc.drawLine((int) x1, (int) y1 + 1, (int) x2, (int) y2 + 1);
x1 = (double) points[i - 2].x / 100 / step + size.x / 2;
y1 = -(double) points[i - 2].y / 100 / step + size.y / 2;
x2 = (double) points[i - 4].x / 100 / step + size.x / 2;
y2 = -(double) points[i - 4].y / 100 / step + size.y / 2;
gc.drawLine((int) x1, (int) y1, (int) x2, (int) y2);
gc.drawLine((int) x1, (int) y1 + 1, (int) x2, (int) y2 + 1);
}
} else {
x1 = (double) points[i - 2].x / 100 / step + size.x / 2;
y1 = -(double) points[i - 2].y / 100 / step + size.y / 2;
x2 = (double) points[i].x / 100 / step + size.x / 2;
y2 = -(double) points[i].y / 100 / step + size.y / 2;
if ((int) Math.signum(points[i - 2].y + 0.0) == (int) Math.signum(points[i].y + 0.0)) {
gc.drawLine((int) x1, (int) y1, (int) x2, (int) y2);
gc.drawLine((int) x1, (int) y1 + 1, (int) x2, (int) y2 + 1);
}
}
if (points[points.length - 1].y == 0) {
x1 = (double) points[points.length - 1].x / 100 / step + size.x / 2;
y1 = -(double) points[points.length - 1].y / 100 / step + size.y / 2;
x2 = (double) points[points.length - 2].x / 100 / step + size.x / 2;
y2 = -(double) points[points.length - 2].y / 100 / step + size.y / 2;
gc.drawLine((int) x1, (int) y1, (int) x2, (int) y2);
gc.drawLine((int) x1, (int) y1 + 1, (int) x2, (int) y2 + 1);
x1 = (double) points[points.length - 1].x / 100 / step + size.x / 2;
y1 = -(double) points[points.length - 1].y / 100 / step + size.y / 2;
x2 = (double) points[points.length - 3].x / 100 / step + size.x / 2;
y2 = -(double) points[points.length - 3].y / 100 / step + size.y / 2;
gc.drawLine((int) x1, (int) y1, (int) x2, (int) y2);
gc.drawLine((int) x1, (int) y1 + 1, (int) x2, (int) y2 + 1);
}
}
if (pointR != null && !pointR.isInfinite()) {
int rX;
int rY;
int lX;
int lY;
FpPoint p = pointP;
FpPoint q = pointQ;
FpPoint r = pointR;
if (q != null) {
if (p.x < q.x && p.x < r.x) { // if pointP is the most left point
lX = (int) ((double) p.x / 100 / step + size.x / 2);
lY = (int) ((double) -p.y / 100 / step + size.y / 2);
} else if (q.x < r.x) { // if pointQ is the most left point
lX = (int) ((double) q.x / 100 / step + size.x / 2);
lY = (int) ((double) -q.y / 100 / step + size.y / 2);
} else { // if pointR is the most left point
lX = (int) ((double) r.x / 100 / step + size.x / 2);
lY = (int) ((double) r.y / 100 / step + size.y / 2);
}
if (p.x > q.x && p.x > r.x) { // if pointP is the most right point
rX = (int) ((double) p.x / 100 / step + size.x / 2);
rY = (int) ((double) -p.y / 100 / step + size.y / 2);
} else if (q.x > r.x) { // if pointQ is the most right point
rX = (int) ((double) q.x / 100 / step + size.x / 2);
rY = (int) ((double) -q.y / 100 / step + size.y / 2);
} else { // if pointR is the most left point
rX = (int) ((double) r.x / 100 / step + size.x / 2);
rY = (int) ((double) r.y / 100 / step + size.y / 2);
}
} else {
if (p.x < r.x) { // if pointP is the most left point
lX = (int) ((double) p.x / 100 / step + size.x / 2);
lY = (int) ((double) -p.y / 100 / step + size.y / 2);
rX = (int) ((double) r.x / 100 / step + size.x / 2);
rY = (int) ((double) r.y / 100 / step + size.y / 2);
} else { // if pointR is the most left point
lX = (int) ((double) r.x / 100 / step + size.x / 2);
lY = (int) ((double) r.y / 100 / step + size.y / 2);
rX = (int) ((double) p.x / 100 / step + size.x / 2);
rY = (int) ((double) -p.y / 100 / step + size.y / 2);
}
}
int startX;
int endX;
int startY;
int endY;
if ((rX > lX ? rX - lX : lX - rX) > (rY > lY ? rY - lY : lY - rY)) {
double alfa = (double) (rY - lY) / (double) (rX - lX);
startX = lX - 30;
endX = rX + 30;
startY = lY - (int) (alfa * 30);
endY = rY + (int) (alfa * 30);
} else {
double alfa = (double) (rX - lX) / (double) (rY - lY);
startX = lX + (lY > rY ? (int) (alfa * 30) : -(int) (alfa * 30));
endX = rX + (lY > rY ? -(int) (alfa * 30) : (int) (alfa * 30));
;
startY = lY + (lY > rY ? 30 : -30);
endY = rY + (lY > rY ? -30 : 30);
}
if (startY < 0) {
double alfa = (double) (rX - lX) / (double) (rY - lY);
startX += (double) (-startY) * alfa;
startY = 0;
} else if (startY > size.y) {
double alfa = (double) (rX - lX) / (double) (rY - lY);
startX += -(double) (startY - size.y) * alfa;
startY = size.y;
}
if (endY < 0) {
double alfa = (double) (rX - lX) / (double) (rY - lY);
endX += (double) (-endY - 1) * alfa;
endY = -1;
} else if (endY > size.y) {
double alfa = (double) (rX - lX) / (double) (rY - lY);
endX -= (double) (endY - size.y) * alfa + 0.5;
endY = size.y;
}
gc.setForeground(darkPurple);
gc.setLineWidth(2);
gc.drawLine(startX, startY, endX, endY);
startX = (int) ((double) pointR.x / 100 / step + size.x / 2);
endX = startX;
if (pointR.y > 0) {
startY = (int) ((double) pointR.y / 100 / step + size.y / 2) + 30;
endY = (int) ((double) -pointR.y / 100 / step + size.y / 2) - 30;
} else {
startY = (int) ((double) pointR.y / 100 / step + size.y / 2) - 30;
endY = (int) ((double) -pointR.y / 100 / step + size.y / 2) + 30;
}
gc.setForeground(purple);
gc.drawLine(startX, startY, endX, endY);
gc.setLineWidth(1);
double x = (double) pointR.x / 100 / step + size.x / 2;
double y = (double) pointR.y / 100 / step + size.y / 2;
gc.setForeground(black);
gc.setBackground(darkPurple);
gc.fillOval((int) x - 3, (int) y - 3, 7, 7);
gc.drawOval((int) x - 3, (int) y - 3, 6, 6);
gc.setForeground(darkPurple);
gc.setBackground(white);
if (y < size.x / 2) {
gc.drawText("-R", (int) x + 8, (int) y + 4, true); // $NON-NLS-1$
} else {
gc.drawText("-R", (int) x + 8, (int) y - 10, true); // $NON-NLS-1$
}
} else if (pointP != null) {
gc.setForeground(darkPurple);
gc.setLineWidth(2);
int x = (int) ((double) pointP.x / 100 / step + size.x / 2);
gc.drawLine(x, 0, x, size.y);
gc.setLineWidth(1);
}
if (pointSelect != null) {
double x = (double) pointSelect.x / 100 / step + size.x / 2;
double y = -(double) pointSelect.y / 100 / step + size.y / 2;
String caption = "Q"; // $NON-NLS-1$
if (pointP == null) caption = "P"; // $NON-NLS-1$
markPoint(x, y, caption, black, lightBlue, gc);
}
if (pointP != null) {
double x = (double) pointP.x / 100 / step + size.x / 2;
double y = -(double) pointP.y / 100 / step + size.y / 2;
String caption = "P"; // $NON-NLS-1$
if (pointP.equals(pointQ)) caption = "P=Q"; // $NON-NLS-1$
if (pointP.equals(pointR)) caption = "P=R"; // $NON-NLS-1$
markPoint(x, y, caption, red, red, gc);
}
if (pointQ != null && !pointQ.equals(pointP)) {
double x = (double) pointQ.x / 100 / step + size.x / 2;
double y = -(double) pointQ.y / 100 / step + size.y / 2;
if (!pointQ.equals(pointP)) markPoint(x, y, "Q", red, red, gc); // $NON-NLS-1$
}
if (pointR != null && !pointR.isInfinite()) {
double x = (double) pointR.x / 100 / step + size.x / 2;
double y = -(double) pointR.y / 100 / step + size.y / 2;
markPoint(x, y, "R", purple, purple, gc); // $NON-NLS-1$
}
}
}