protected void drawToolTip(
DrawContext dc,
java.awt.Rectangle viewport,
String text,
int x,
int y,
ToolTipAttributes attributes) {
java.awt.geom.Rectangle2D textBounds = this.computeTextBounds(dc, text, attributes.getFont());
java.awt.geom.Rectangle2D bgBounds =
this.computeBackgroundBounds(
dc, textBounds.getWidth(), textBounds.getHeight(), attributes.getInsets());
java.awt.Point screenPoint = this.adjustDrawPointToViewport(x, y, bgBounds, viewport);
java.awt.geom.Point2D textTranslation =
this.computeTextTranslation(dc, textBounds, attributes.getInsets());
GL2 gl = dc.getGL().getGL2(); // GL initialization checks for GL2 compatibility.
OGLStackHandler stackHandler = new OGLStackHandler();
stackHandler.pushModelview(gl);
try {
gl.glTranslated(
screenPoint.getX() + bgBounds.getX(), screenPoint.getY() + bgBounds.getY(), 0);
this.drawToolTipInterior(dc, bgBounds.getWidth(), bgBounds.getHeight(), attributes);
this.drawToolTipOutline(dc, bgBounds.getWidth(), bgBounds.getHeight(), attributes);
gl.glTranslated(textTranslation.getX(), textTranslation.getY(), 0);
this.drawToolTipText(dc, text, 0, 0, attributes);
} finally {
stackHandler.pop(gl);
}
}
protected void drawToolTipInterior(
DrawContext dc, double width, double height, ToolTipAttributes attributes) {
GL2 gl = dc.getGL().getGL2(); // GL initialization checks for GL2 compatibility.
this.applyColor(dc, attributes.getInteriorColor(), attributes.getInteriorOpacity());
// Draw a filled rectangle with the background dimensions.
gl.glRectd(0, 0, width, height);
}
protected void drawToolTipText(
DrawContext dc, String text, int x, int y, ToolTipAttributes attributes) {
java.awt.Color textColor =
this.modulateColorOpacity(attributes.getTextColor(), attributes.getTextOpacity());
TextRenderer textRenderer = this.getTextRenderer(dc, attributes.getFont());
textRenderer.begin3DRendering();
textRenderer.setColor(textColor);
textRenderer.draw(text, x, y);
textRenderer.end3DRendering();
}
protected void drawToolTipOutline(
DrawContext dc, double width, double height, ToolTipAttributes attributes) {
GL2 gl = dc.getGL().getGL2(); // GL initialization checks for GL2 compatibility.
this.applyColor(dc, attributes.getOutlineColor(), attributes.getOutlineOpacity());
gl.glLineWidth((float) getOutlineWidth());
// Draw a line loop around the background rectangle. Inset the lines slightly to compensate for
// OpenGL's line
// rasterization algorithm. We want the line to straddle the rectangle pixels.
double inset = 0.5;
gl.glBegin(GL2.GL_LINE_LOOP);
gl.glVertex2d(inset, inset);
gl.glVertex2d(width - inset, inset);
gl.glVertex2d(width - inset, height - inset);
gl.glVertex2d(inset, height - inset);
gl.glEnd();
}