public void paint(Graphics g) {
gRef = (Graphics2D) g;
// change size of font
gRef.setFont(gRef.getFont().deriveFont(9.0f));
fmRef = g.getFontMetrics();
// Clear background
if (Preferences.monochrome) {
gRef.setColor(Preferences.whiteColor);
} else {
gRef.setColor(Preferences.backgroundColor);
}
gRef.fillRect(0, 0, getWidth(), getHeight());
// set colour to correct drawing colour
if (Preferences.monochrome) {
gRef.setColor(Preferences.blackColor);
} else {
gRef.setColor(Preferences.penColor);
}
gRef.translate(0, margin);
// Call c code to draw tree
gRef.scale(scale, scale);
nativeDrawTree();
}
private synchronized void doBuffer(Graphics2D g2, boolean opq, Rectangle rt) {
origTransform = g2.getTransform();
if (opq && rt != null) g2.clearRect(rt.x, rt.y, rt.width, rt.height);
g2.setPaint(origPaint);
g2.setFont(origFont);
g2.setStroke(origStroke);
if (inBuffer) { // System.out.println("upps");
for (int i = 0; i < a1x.size(); i++) doPaint(g2, a1x.get(i), a2x.get(i));
origTransform = null;
return;
}
for (int i = 0; i < a1.size(); i++) doPaint(g2, a1.get(i), a2.get(i));
origTransform = null;
}
/**
* Draws the passed-in text using syntax highlighting for the current language. It is assumed that
* the entire line is either not in a selected region, or painting with a selection-foreground
* color is turned off.
*
* @param painter The painter to render the tokens.
* @param token The list of tokens to draw.
* @param g The graphics context in which to draw.
* @param x The x-coordinate at which to draw.
* @param y The y-coordinate at which to draw.
* @return The x-coordinate representing the end of the painted text.
*/
private float drawLine(
TokenPainter painter, Token token, Graphics2D g, float x, float y, int line) {
float nextX = x; // The x-value at the end of our text.
boolean paintBG = host.getPaintTokenBackgrounds(line, y);
while (token != null && token.isPaintable() && nextX < clipEnd) {
nextX = painter.paint(token, g, nextX, y, host, this, clipStart, paintBG);
token = token.getNextToken();
}
// NOTE: We should re-use code from Token (paintBackground()) here,
// but don't because I'm just too lazy.
if (host.getEOLMarkersVisible()) {
g.setColor(host.getForegroundForTokenType(Token.WHITESPACE));
g.setFont(host.getFontForTokenType(Token.WHITESPACE));
g.drawString("\u00B6", nextX, y);
}
// Return the x-coordinate at the end of the painted text.
return nextX;
}
private synchronized void toBuffer(int s, Object a) {
a1.add(s);
a2.add(a);
if (s == clear) {
clearBuffer();
}
if (s == opaque) theOpaque = (Boolean) a;
if (s == setBackground) theBackground = (Color) a;
if (inBuffer) return;
if (isSetter(s)) return;
Graphics g = getGraphics();
if (g == null) return;
Graphics2D g2 = (Graphics2D) g;
g2.setPaint(origPaint);
g2.setFont(origFont);
g2.setStroke(origStroke);
for (int i = 0; i < a1.size() - 1; i++) {
int s1 = a1.get(i);
Object s2 = a2.get(i);
if (isSetter(s1)) doPaint(g2, s1, s2);
}
doPaint((Graphics2D) g, s, a);
}
/**
* Draws a single view (i.e., a line of text for a wrapped view), wrapping the text onto multiple
* lines if necessary. Any selected text is rendered with the editor's "selected text" color.
*
* @param painter The painter to use to render tokens.
* @param g The graphics context in which to paint.
* @param r The rectangle in which to paint.
* @param view The <code>View</code> to paint.
* @param fontHeight The height of the font being used.
* @param y The y-coordinate at which to begin painting.
* @param selStart The start of the selection.
* @param selEnd The end of the selection.
*/
protected void drawViewWithSelection(
TokenPainter painter,
Graphics2D g,
Rectangle r,
View view,
int fontHeight,
int y,
int selStart,
int selEnd) {
float x = r.x;
LayeredHighlighter h = (LayeredHighlighter) host.getHighlighter();
RSyntaxDocument document = (RSyntaxDocument) getDocument();
Element map = getElement();
int p0 = view.getStartOffset();
int lineNumber = map.getElementIndex(p0);
int p1 = view.getEndOffset(); // - 1;
setSegment(p0, p1 - 1, document, drawSeg);
// System.err.println("drawSeg=='" + drawSeg + "' (p0/p1==" + p0 + "/" + p1 + ")");
int start = p0 - drawSeg.offset;
Token token = document.getTokenListForLine(lineNumber);
// If this line is an empty line, then the token list is simply a
// null token. In this case, the line highlight will be skipped in
// the loop below, so unfortunately we must manually do it here.
if (token != null && token.getType() == Token.NULL) {
h.paintLayeredHighlights(g, p0, p1, r, host, this);
return;
}
// Loop through all tokens in this view and paint them!
while (token != null && token.isPaintable()) {
int p = calculateBreakPosition(p0, token, x);
x = r.x;
h.paintLayeredHighlights(g, p0, p, r, host, this);
while (token != null && token.isPaintable() && token.getEndOffset() - 1 < p) { // <=p) {
// Selection starts in this token
if (token.containsPosition(selStart)) {
if (selStart > token.getOffset()) {
tempToken.copyFrom(token);
tempToken.textCount = selStart - tempToken.getOffset();
x = painter.paint(tempToken, g, x, y, host, this);
tempToken.textCount = token.length();
tempToken.makeStartAt(selStart);
// Clone required since token and tempToken must be
// different tokens for else statement below
token = new TokenImpl(tempToken);
}
int selCount = Math.min(token.length(), selEnd - token.getOffset());
if (selCount == token.length()) {
x = painter.paintSelected(token, g, x, y, host, this);
} else {
tempToken.copyFrom(token);
tempToken.textCount = selCount;
x = painter.paintSelected(tempToken, g, x, y, host, this);
tempToken.textCount = token.length();
tempToken.makeStartAt(token.getOffset() + selCount);
token = tempToken;
x = painter.paint(token, g, x, y, host, this);
}
}
// Selection ends in this token
else if (token.containsPosition(selEnd)) {
tempToken.copyFrom(token);
tempToken.textCount = selEnd - tempToken.getOffset();
x = painter.paintSelected(tempToken, g, x, y, host, this);
tempToken.textCount = token.length();
tempToken.makeStartAt(selEnd);
token = tempToken;
x = painter.paint(token, g, x, y, host, this);
}
// This token is entirely selected
else if (token.getOffset() >= selStart && token.getEndOffset() <= selEnd) {
x = painter.paintSelected(token, g, x, y, host, this);
}
// This token is entirely unselected
else {
x = painter.paint(token, g, x, y, host, this);
}
token = token.getNextToken();
}
// If there's a token that's going to be split onto the next line
if (token != null && token.isPaintable() && token.getOffset() < p) {
int tokenOffset = token.getOffset();
Token orig = token;
token =
new TokenImpl(
drawSeg, tokenOffset - start, p - 1 - start, tokenOffset, token.getType());
// Selection starts in this token
if (token.containsPosition(selStart)) {
if (selStart > token.getOffset()) {
tempToken.copyFrom(token);
tempToken.textCount = selStart - tempToken.getOffset();
x = painter.paint(tempToken, g, x, y, host, this);
tempToken.textCount = token.length();
tempToken.makeStartAt(selStart);
// Clone required since token and tempToken must be
// different tokens for else statement below
token = new TokenImpl(tempToken);
}
int selCount = Math.min(token.length(), selEnd - token.getOffset());
if (selCount == token.length()) {
x = painter.paintSelected(token, g, x, y, host, this);
} else {
tempToken.copyFrom(token);
tempToken.textCount = selCount;
x = painter.paintSelected(tempToken, g, x, y, host, this);
tempToken.textCount = token.length();
tempToken.makeStartAt(token.getOffset() + selCount);
token = tempToken;
x = painter.paint(token, g, x, y, host, this);
}
}
// Selection ends in this token
else if (token.containsPosition(selEnd)) {
tempToken.copyFrom(token);
tempToken.textCount = selEnd - tempToken.getOffset();
x = painter.paintSelected(tempToken, g, x, y, host, this);
tempToken.textCount = token.length();
tempToken.makeStartAt(selEnd);
token = tempToken;
x = painter.paint(token, g, x, y, host, this);
}
// This token is entirely selected
else if (token.getOffset() >= selStart && token.getEndOffset() <= selEnd) {
x = painter.paintSelected(token, g, x, y, host, this);
}
// This token is entirely unselected
else {
x = painter.paint(token, g, x, y, host, this);
}
token = new TokenImpl(orig);
((TokenImpl) token).makeStartAt(p);
}
p0 = (p == p0) ? p1 : p;
y += fontHeight;
} // End of while (token!=null && token.isPaintable()).
// NOTE: We should re-use code from Token (paintBackground()) here,
// but don't because I'm just too lazy.
if (host.getEOLMarkersVisible()) {
g.setColor(host.getForegroundForTokenType(Token.WHITESPACE));
g.setFont(host.getFontForTokenType(Token.WHITESPACE));
g.drawString("\u00B6", x, y - fontHeight);
}
}
/**
* Draws a single view (i.e., a line of text for a wrapped view), wrapping the text onto multiple
* lines if necessary.
*
* @param painter The painter to use to render tokens.
* @param g The graphics context in which to paint.
* @param r The rectangle in which to paint.
* @param view The <code>View</code> to paint.
* @param fontHeight The height of the font being used.
* @param y The y-coordinate at which to begin painting.
*/
protected void drawView(
TokenPainter painter, Graphics2D g, Rectangle r, View view, int fontHeight, int y) {
float x = r.x;
LayeredHighlighter h = (LayeredHighlighter) host.getHighlighter();
RSyntaxDocument document = (RSyntaxDocument) getDocument();
Element map = getElement();
int p0 = view.getStartOffset();
int lineNumber = map.getElementIndex(p0);
int p1 = view.getEndOffset(); // - 1;
setSegment(p0, p1 - 1, document, drawSeg);
// System.err.println("drawSeg=='" + drawSeg + "' (p0/p1==" + p0 + "/" + p1 + ")");
int start = p0 - drawSeg.offset;
Token token = document.getTokenListForLine(lineNumber);
// If this line is an empty line, then the token list is simply a
// null token. In this case, the line highlight will be skipped in
// the loop below, so unfortunately we must manually do it here.
if (token != null && token.getType() == Token.NULL) {
h.paintLayeredHighlights(g, p0, p1, r, host, this);
return;
}
// Loop through all tokens in this view and paint them!
while (token != null && token.isPaintable()) {
int p = calculateBreakPosition(p0, token, x);
x = r.x;
h.paintLayeredHighlights(g, p0, p, r, host, this);
while (token != null && token.isPaintable() && token.getEndOffset() - 1 < p) { // <=p) {
x = painter.paint(token, g, x, y, host, this);
token = token.getNextToken();
}
if (token != null && token.isPaintable() && token.getOffset() < p) {
int tokenOffset = token.getOffset();
tempToken.set(
drawSeg.array, tokenOffset - start, p - 1 - start, tokenOffset, token.getType());
painter.paint(tempToken, g, x, y, host, this);
tempToken.copyFrom(token);
tempToken.makeStartAt(p);
token = new TokenImpl(tempToken);
}
p0 = (p == p0) ? p1 : p;
y += fontHeight;
} // End of while (token!=null && token.isPaintable()).
// NOTE: We should re-use code from Token (paintBackground()) here,
// but don't because I'm just too lazy.
if (host.getEOLMarkersVisible()) {
g.setColor(host.getForegroundForTokenType(Token.WHITESPACE));
g.setFont(host.getFontForTokenType(Token.WHITESPACE));
g.drawString("\u00B6", x, y - fontHeight);
}
}
/**
* Draws the passed-in text using syntax highlighting for the current language. Tokens are checked
* for being in a selected region, and are rendered appropriately if they are.
*
* @param painter The painter to render the tokens.
* @param token The list of tokens to draw.
* @param g The graphics context in which to draw.
* @param x The x-coordinate at which to draw.
* @param y The y-coordinate at which to draw.
* @param selStart The start of the selection.
* @param selEnd The end of the selection.
* @return The x-coordinate representing the end of the painted text.
*/
private float drawLineWithSelection(
TokenPainter painter, Token token, Graphics2D g, float x, float y, int selStart, int selEnd) {
float nextX = x; // The x-value at the end of our text.
boolean useSTC = host.getUseSelectedTextColor();
while (token != null && token.isPaintable() && nextX < clipEnd) {
// Selection starts in this token
if (token.containsPosition(selStart)) {
if (selStart > token.getOffset()) {
tempToken.copyFrom(token);
tempToken.textCount = selStart - tempToken.getOffset();
nextX = painter.paint(tempToken, g, nextX, y, host, this, clipStart);
tempToken.textCount = token.length();
tempToken.makeStartAt(selStart);
// Clone required since token and tempToken must be
// different tokens for else statement below
token = new TokenImpl(tempToken);
}
int tokenLen = token.length();
int selCount = Math.min(tokenLen, selEnd - token.getOffset());
if (selCount == tokenLen) {
nextX = painter.paintSelected(token, g, nextX, y, host, this, clipStart, useSTC);
} else {
tempToken.copyFrom(token);
tempToken.textCount = selCount;
nextX = painter.paintSelected(tempToken, g, nextX, y, host, this, clipStart, useSTC);
tempToken.textCount = token.length();
tempToken.makeStartAt(token.getOffset() + selCount);
token = tempToken;
nextX = painter.paint(token, g, nextX, y, host, this, clipStart);
}
}
// Selection ends in this token
else if (token.containsPosition(selEnd)) {
tempToken.copyFrom(token);
tempToken.textCount = selEnd - tempToken.getOffset();
nextX = painter.paintSelected(tempToken, g, nextX, y, host, this, clipStart, useSTC);
tempToken.textCount = token.length();
tempToken.makeStartAt(selEnd);
token = tempToken;
nextX = painter.paint(token, g, nextX, y, host, this, clipStart);
}
// This token is entirely selected
else if (token.getOffset() >= selStart && token.getEndOffset() <= selEnd) {
nextX = painter.paintSelected(token, g, nextX, y, host, this, clipStart, useSTC);
}
// This token is entirely unselected
else {
nextX = painter.paint(token, g, nextX, y, host, this, clipStart);
}
token = token.getNextToken();
}
// NOTE: We should re-use code from Token (paintBackground()) here,
// but don't because I'm just too lazy.
if (host.getEOLMarkersVisible()) {
g.setColor(host.getForegroundForTokenType(Token.WHITESPACE));
g.setFont(host.getFontForTokenType(Token.WHITESPACE));
g.drawString("\u00B6", nextX, y);
}
// Return the x-coordinate at the end of the painted text.
return nextX;
}
// also clip, transform, composite,
// public boolean isOpaque(){return false;}//theOpaque!=null&&theOpaque;}
// ---------------------------------------------------------
private void doPaint(Graphics2D g, int s, Object o) {
// process an operation from the buffer
// System.out.println(s);
Object o1 = null,
o2 = null,
o3 = null,
o4 = null,
o5 = null,
o6 = null,
o7 = null,
o8 = null,
o9 = null,
o10 = null,
o11 = null;
if (o instanceof Object[]) {
Object[] a = (Object[]) o;
if (a.length > 0) o1 = a[0];
if (a.length > 1) o2 = a[1];
if (a.length > 2) o3 = a[2];
if (a.length > 3) o4 = a[3];
if (a.length > 4) o5 = a[4];
if (a.length > 5) o6 = a[5];
if (a.length > 6) o7 = a[6];
if (a.length > 7) o8 = a[7];
if (a.length > 8) o9 = a[8];
if (a.length > 9) o10 = a[9];
if (a.length > 10) o11 = a[10];
}
switch (s) {
case clear:
paintBackground(g, theBackground);
break;
// public void addRenderingHints(Map<?,?> hints)
// {toBuffer("addRenderingHints",hints );}
case addRenderingHints:
g.addRenderingHints((Map<?, ?>) o);
break;
case clip1:
g.clip((Shape) o);
break;
case draw1:
g.draw((Shape) o);
break;
case draw3DRect:
g.draw3DRect((Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Boolean) o5);
break;
case drawGlyphVector:
g.drawGlyphVector((GlyphVector) o1, (Float) o2, (Float) o3);
break;
case drawImage1:
g.drawImage((BufferedImage) o1, (BufferedImageOp) o2, (Integer) o3, (Integer) o4);
break;
case drawImage2:
g.drawImage((Image) o1, (AffineTransform) o2, (ImageObserver) o3);
break;
case drawRenderableImage:
g.drawRenderableImage((RenderableImage) o1, (AffineTransform) o2);
break;
case drawRenderedImage:
g.drawRenderedImage((RenderedImage) o1, (AffineTransform) o2);
break;
case drawString1:
g.drawString((AttributedCharacterIterator) o1, (Float) o2, (Float) o3);
break;
case drawString2:
g.drawString((AttributedCharacterIterator) o1, (Integer) o2, (Integer) o3);
break;
case drawString3:
g.drawString((String) o1, (Float) o2, (Float) o3);
break;
case drawString4:
g.drawString((String) o1, (Integer) o2, (Integer) o3);
break;
case fill:
g.fill((Shape) o);
break;
case fill3DRect:
g.fill3DRect((Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Boolean) o5);
break;
case rotate1:
g.rotate((Double) o);
break;
case rotate2:
g.rotate((Double) o1, (Double) o2, (Double) o3);
break;
case scale1:
g.scale((Double) o1, (Double) o2);
break;
case setBackground:
g.setBackground(
(Color) o); // paintBackground(g,(Color)o); /*super.setBackground((Color)o) ;*/
break;
case setComposite:
g.setComposite((Composite) o);
break;
case setPaint:
g.setPaint((Paint) o);
break;
case setRenderingHint:
g.setRenderingHint((RenderingHints.Key) o1, o2);
break;
case setRenderingHints:
g.setRenderingHints((Map<?, ?>) o);
break;
case setStroke:
g.setStroke((Stroke) o);
break;
case setTransform:
g.setTransform(makeTransform(o));
break;
case shear:
g.shear((Double) o1, (Double) o2);
break;
case transform1:
g.transform(makeTransform(o));
break;
case translate1:
g.translate((Double) o1, (Double) o2);
break;
case translate2:
g.translate((Integer) o1, (Integer) o2);
break;
case clearRect:
g.clearRect((Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4);
break;
case copyArea:
g.copyArea(
(Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Integer) o5, (Integer) o6);
break;
case drawArc:
g.drawArc(
(Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Integer) o5, (Integer) o6);
break;
case drawBytes:
g.drawBytes((byte[]) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Integer) o5);
break;
case drawChars:
g.drawChars((char[]) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Integer) o5);
break;
case drawImage4:
g.drawImage((Image) o1, (Integer) o2, (Integer) o3, (Color) o4, (ImageObserver) o5);
break;
case drawImage5:
g.drawImage((Image) o1, (Integer) o2, (Integer) o3, (ImageObserver) o4);
break;
case drawImage6:
g.drawImage(
(Image) o1,
(Integer) o2,
(Integer) o3,
(Integer) o4,
(Integer) o5,
(Color) o6,
(ImageObserver) o7);
break;
case drawImage7:
g.drawImage(
(Image) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Integer) o5, (ImageObserver) o6);
break;
case drawImage8:
g.drawImage(
(Image) o1,
(Integer) o2,
(Integer) o3,
(Integer) o4,
(Integer) o5,
(Integer) o6,
(Integer) o7,
(Integer) o8,
(Integer) o9,
(Color) o10,
(ImageObserver) o11);
break;
case drawImage9:
g.drawImage(
(Image) o1,
(Integer) o2,
(Integer) o3,
(Integer) o4,
(Integer) o5,
(Integer) o6,
(Integer) o7,
(Integer) o8,
(Integer) o9,
(ImageObserver) o10);
break;
case drawLine:
g.drawLine((Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4);
break;
case drawOval:
g.drawOval((Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4);
break;
case drawPolygon1:
g.drawPolygon((int[]) o1, (int[]) o2, (Integer) o3);
break;
case drawPolygon2:
g.drawPolygon((Polygon) o);
break;
case drawPolyline:
g.drawPolyline((int[]) o1, (int[]) o2, (Integer) o3);
break;
case drawRect:
g.drawRect((Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4);
break;
case drawRoundRect:
g.drawRoundRect(
(Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Integer) o5, (Integer) o6);
break;
case fillArc:
g.fillArc(
(Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Integer) o5, (Integer) o6);
break;
case fillOval:
g.fillOval((Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4);
break;
// {toBuffer("fillPolygon",mkArg(xPoints, yPoints, nPoints) );}
case fillPolygon1:
g.fillPolygon((int[]) o1, (int[]) o2, (Integer) o3);
break;
case fillPolygon2:
g.fillPolygon((Polygon) o);
break;
case fillRect:
g.fillRect((Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4);
break;
case fillRoundRect:
g.fillRoundRect(
(Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Integer) o5, (Integer) o6);
break;
case setClip1:
g.setClip((Shape) o);
break;
case setColor:
g.setColor((Color) o);
break;
case setFont:
g.setFont((Font) o);
break;
case setPaintMode:
g.setPaintMode();
break;
case setXORMode:
g.setXORMode((Color) o);
break;
case opaque:
super.setOpaque((Boolean) o);
break;
case drawOutline: // g.drawString((String)o1, (Integer)o2, (Integer)o3) ;break;
{
FontRenderContext frc = g.getFontRenderContext();
TextLayout tl = new TextLayout((String) o1, g.getFont(), frc);
Shape s1 = tl.getOutline(null);
AffineTransform af = g.getTransform();
g.translate((Integer) o2, (Integer) o3);
g.draw(s1);
g.setTransform(af);
}
;
break;
default:
System.out.println("Unknown image operation " + s);
}
}
