layouttext.java

The ElectricTM VLSI Design System is an open-source Electronic Design Automation (EDA) system that c

        gridBagConstraints.insets = new java.awt.Insets(4, 4, 4, 4);
        getContentPane().add(jLabel4, gridBagConstraints);

        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 1;
        gridBagConstraints.gridy = 3;
        gridBagConstraints.gridwidth = 3;
        gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL;
        gridBagConstraints.insets = new java.awt.Insets(4, 4, 4, 4);
        getContentPane().add(textFont, gridBagConstraints);

        textItalic.setText("Italic");
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 1;
        gridBagConstraints.gridy = 4;
        gridBagConstraints.anchor = java.awt.GridBagConstraints.WEST;
        gridBagConstraints.insets = new java.awt.Insets(4, 4, 4, 4);
        getContentPane().add(textItalic, gridBagConstraints);

        textBold.setText("Bold");
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 2;
        gridBagConstraints.gridy = 4;
        gridBagConstraints.anchor = java.awt.GridBagConstraints.WEST;
        gridBagConstraints.insets = new java.awt.Insets(4, 4, 4, 4);
        getContentPane().add(textBold, gridBagConstraints);

        jLabel5.setText("Layer:");
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 0;
        gridBagConstraints.gridy = 5;
        gridBagConstraints.anchor = java.awt.GridBagConstraints.WEST;
        gridBagConstraints.insets = new java.awt.Insets(4, 4, 4, 4);
        getContentPane().add(jLabel5, gridBagConstraints);

        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 1;
        gridBagConstraints.gridy = 5;
        gridBagConstraints.gridwidth = 3;
        gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL;
        gridBagConstraints.insets = new java.awt.Insets(4, 4, 4, 4);
        getContentPane().add(textLayer, gridBagConstraints);

        jLabel6.setText("Message:");
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 0;
        gridBagConstraints.gridy = 7;
        gridBagConstraints.anchor = java.awt.GridBagConstraints.WEST;
        gridBagConstraints.insets = new java.awt.Insets(4, 4, 4, 4);
        getContentPane().add(jLabel6, gridBagConstraints);

        textUnderline.setText("Underline");
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 3;
        gridBagConstraints.gridy = 4;
        getContentPane().add(textUnderline, gridBagConstraints);

        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 1;
        gridBagConstraints.gridy = 7;
        gridBagConstraints.gridwidth = 3;
        gridBagConstraints.fill = java.awt.GridBagConstraints.BOTH;
        gridBagConstraints.weighty = 1.0;
        gridBagConstraints.insets = new java.awt.Insets(4, 4, 4, 4);
        getContentPane().add(textMessage, gridBagConstraints);

        invertDots.setText("Reverse-video");
        invertDots.setBorder(javax.swing.BorderFactory.createEmptyBorder(0, 0, 0, 0));
        invertDots.setMargin(new java.awt.Insets(0, 0, 0, 0));
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 0;
        gridBagConstraints.gridy = 6;
        gridBagConstraints.gridwidth = 4;
        gridBagConstraints.anchor = java.awt.GridBagConstraints.WEST;
        gridBagConstraints.insets = new java.awt.Insets(4, 4, 4, 4);
        getContentPane().add(invertDots, gridBagConstraints);

        pack();
    }// </editor-fold>//GEN-END:initComponents

	private void cancel(java.awt.event.ActionEvent evt)//GEN-FIRST:event_cancel
	{//GEN-HEADEREND:event_cancel
		closeDialog(null);
	}//GEN-LAST:event_cancel

	private void ok(java.awt.event.ActionEvent evt)//GEN-FIRST:event_ok
	{//GEN-HEADEREND:event_ok
		grabDialogValues();

		Cell curCell = WindowFrame.needCurCell();
		if (curCell == null) return;

		// determine the primitive to use for the layout
		NodeProto primNode = Technology.getCurrent().findNodeProto(lastLayer);
		if (primNode == null)
		{
			System.out.println("Cannot find " + lastLayer + " primitive");
			return;
		}

		// get the raster
		int yOffset = 0;
		String [] strings = lastMessage.split("\n");
		for(int i=0; i<strings.length; i++)
		{
			String str = strings[i];
			Raster ras = renderText(str, lastFont, lastSize, lastItalic, lastBold, lastUnderline);
			if (ras == null) return;
			DataBufferByte dbb = (DataBufferByte)ras.getDataBuffer();
			byte [] samples = dbb.getData();

			// create the layout text
			new CreateLayoutText(curCell, primNode, lastScale, lastSeparation, ras.getWidth(), ras.getHeight(),
				yOffset, lastInvertDots, samples);
			yOffset += ras.getHeight();
		}


		closeDialog(null);
	}//GEN-LAST:event_ok

	/**
	 * Method to convert text to an array of pixels.
	 * This is used for text rendering, as well as for creating "layout text" which is placed as geometry in the circuit.
	 * @param msg the string of text to be converted.
	 * @param fontName the name of the font to use.
	 * @param tSize the size of the font to use.
	 * @param italic true to make the text italic.
	 * @param bold true to make the text bold.
	 * @param underline true to underline the text.
	 * @param invertDots true to invert dot placement.
	 * @return a Raster with the text bits.
	 */
	private static Raster renderText(String msg, String fontName, int tSize, boolean italic, boolean bold, boolean underline)
	{
        int fontStyle = Font.PLAIN;
        if (italic) fontStyle |= Font.ITALIC;
        if (bold) fontStyle |= Font.BOLD;
        Font font = new Font(fontName, fontStyle, tSize);
        if (font == null) {
            System.out.println("Could not find font "+font+" to render text: "+msg);
            return null;
        }
        
        // convert the text to a GlyphVector
        FontRenderContext frc = new FontRenderContext(null, true, true);
        GlyphVector gv = font.createGlyphVector(frc, msg);
        LineMetrics lm = font.getLineMetrics(msg, frc);
        
        // figure bounding box of text
        Rectangle2D rasRect = gv.getLogicalBounds();
        int width = (int)rasRect.getWidth();
        int height = (int)(lm.getHeight()+0.5);
        if (width <= 0 || height <= 0) return null;
        fontStyle = font.getStyle();
        
        if (underline) height++;
        Rectangle2D rasBounds = new Rectangle2D.Double(0, lm.getAscent()-lm.getLeading(), width, height);
        
		// if the new image is larger than what is saved, must rebuild
			// create a new text buffer
			BufferedImage textImage = new BufferedImage(width, height, BufferedImage.TYPE_BYTE_GRAY);
			Graphics2D g2 = textImage.createGraphics();

		// now render it
		g2.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);

		g2.setColor(new Color(255,255,255));
		g2.drawGlyphVector(gv, (float)-rasBounds.getX(), lm.getAscent()-lm.getLeading());
		if (underline)
			g2.drawLine(0, height-1, width-1, height-1);

		// return the bits
		return textImage.getData();
    }

	/** Closes the dialog */
	private void closeDialog(java.awt.event.WindowEvent evt)//GEN-FIRST:event_closeDialog
	{
		grabDialogValues();
		setVisible(false);
		dispose();
	}//GEN-LAST:event_closeDialog

	private void grabDialogValues()
	{
		lastSize = TextUtils.atoi(textSize.getText());
		lastScale = TextUtils.atof(textScale.getText());
		lastSeparation = TextUtils.atof(dotSeparation.getText());
		lastItalic = textItalic.isSelected();
		lastBold = textBold.isSelected();
		lastUnderline = textUnderline.isSelected();
		lastInvertDots = invertDots.isSelected();
		lastLayer = (String)textLayer.getSelectedItem();
		lastFont = (String)textFont.getSelectedItem();
		lastMessage = textMessage.getText();
	}

	/**
	 * Class to create a cell in a new thread.
	 */
	private static class CreateLayoutText extends Job
	{
		private Cell curCell;
		private NodeProto primNode;
		private double lastScale;
		private double lastSeparation;
		private int wid, hei, yOffset;
		private boolean invertDots;
		private byte [] samples;

		protected CreateLayoutText(
			Cell curCell,
			NodeProto primNode,
			double lastScale,
			double lastSeparation,
			int wid, int hei,
			int yOffset,
			boolean invertDots,
			byte [] samples)
		{
			super("Create Layout Text", User.getUserTool(), Job.Type.CHANGE, null, null, Job.Priority.USER);
			this.curCell = curCell;
			this.primNode = primNode;
			this.lastScale = lastScale;
			this.lastSeparation = lastSeparation;
			this.wid = wid;
			this.hei = hei;
			this.yOffset = yOffset;
			this.invertDots = invertDots;
			this.samples = samples;
			startJob();
		}

		public boolean doIt() throws JobException
		{
			double width = lastScale - lastSeparation;
			double height = lastScale - lastSeparation;
			int samp = 0;
			for(int y=0; y<hei; y++)
			{
				for(int x=0; x<wid; x++)
				{
					if (samples[samp++] == 0 != invertDots) continue;
					Point2D center = new Point2D.Double(x*lastScale, -(y+yOffset)*lastScale);
					NodeInst.newInstance(primNode, center, width, height, curCell);
				}
			}
			return true;
		}
	}

    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JButton cancel;
    private javax.swing.JTextField dotSeparation;
    private javax.swing.JCheckBox invertDots;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JLabel jLabel2;
    private javax.swing.JLabel jLabel3;
    private javax.swing.JLabel jLabel4;
    private javax.swing.JLabel jLabel5;
    private javax.swing.JLabel jLabel6;
    private javax.swing.JButton ok;
    private javax.swing.JCheckBox textBold;
    private javax.swing.JComboBox textFont;
    private javax.swing.JCheckBox textItalic;
    private javax.swing.JComboBox textLayer;
    private javax.swing.JTextArea textMessage;
    private javax.swing.JTextField textScale;
    private javax.swing.JTextField textSize;
    private javax.swing.JCheckBox textUnderline;
    // End of variables declaration//GEN-END:variables

}