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/*
* MicroEmulator
* Copyright (C) 2001 Bartek Teodorczyk
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by the
* Free Software Foundation; either version 2.1 of the License, or (at your
* option) any later version.
*
* This library is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Contributor(s):
* 3GLab
*/
package org.microemu.device.swt;
import javax.microedition.lcdui.Image;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.RGB;
import org.eclipse.swt.graphics.Rectangle;
import org.microemu.DisplayAccess;
import org.microemu.MIDletBridge;
import org.microemu.app.ui.swt.ImageFilter;
import org.microemu.app.ui.swt.SwtGraphics;
import org.microemu.device.Device;
import org.microemu.device.DeviceFactory;
import org.microemu.device.DisplayGraphics;
import org.microemu.device.MutableImage;
public class SwtDisplayGraphics extends javax.microedition.lcdui.Graphics implements DisplayGraphics
{
public SwtGraphics g;
private MutableImage image;
private int color = 0;
private javax.microedition.lcdui.Font currentFont = javax.microedition.lcdui.Font.getDefaultFont();
private ImageFilter filter;
public SwtDisplayGraphics(SwtGraphics a_g, MutableImage a_image)
{
this.g = a_g;
this.image = a_image;
Device device = DeviceFactory.getDevice();
this.g.setBackground(g.getColor(new RGB(
((SwtDeviceDisplay) device.getDeviceDisplay()).getBackgroundColor().getRed(),
((SwtDeviceDisplay) device.getDeviceDisplay()).getBackgroundColor().getGreen(),
((SwtDeviceDisplay) device.getDeviceDisplay()).getBackgroundColor().getBlue())));
SwtFont tmpFont = (SwtFont) ((SwtFontManager) device.getFontManager()).getFont(currentFont);
this.g.setFont(tmpFont.getFont());
if (device.getDeviceDisplay().isColor()) {
this.filter = new RGBImageFilter();
} else {
if (device.getDeviceDisplay().numColors() == 2) {
this.filter = new BWImageFilter();
} else {
this.filter = new GrayImageFilter();
}
}
}
public MutableImage getImage()
{
return image;
}
public int getColor()
{
return color;
}
public void setColor(int RGB)
{
color = RGB;
g.setForeground(g.getColor(filter.filterRGB(0, 0, new RGB((color >> 16) & 0xff, (color >> 8) & 0xff, color & 0xff))));
}
public javax.microedition.lcdui.Font getFont()
{
return currentFont;
}
public void setFont(javax.microedition.lcdui.Font font)
{
currentFont = font;
SwtFont tmpFont = (SwtFont)((SwtFontManager) DeviceFactory.getDevice().getFontManager()).getFont(currentFont);
g.setFont(tmpFont.getFont());
}
public void clipRect(int x, int y, int width, int height)
{
Rectangle rect = new Rectangle(x, y, width, height);
if (rect.x < getClipX()) {
rect.x = getClipX();
}
if (rect.y < getClipY()) {
rect.y = getClipY();
}
if (x + width > getClipX() + getClipWidth()) {
rect.width = getClipX() + getClipWidth() - rect.x;
} else {
rect.width = x + width - rect.x;
}
if (y + height > getClipY() + getClipHeight()) {
rect.height = getClipY() + getClipHeight() - rect.y;
} else {
rect.height = y + height - rect.y;
}
setClip(rect.x, rect.y, rect.width, rect.height);
}
public void setClip(int x, int y, int width, int height)
{
g.setClipping(x, y, width, height);
}
public int getClipX()
{
Rectangle rect = g.getClipping();
if (rect == null) {
return 0;
} else {
return rect.x;
}
}
public int getClipY()
{
Rectangle rect = g.getClipping();
if (rect == null) {
return 0;
} else {
return rect.y;
}
}
public int getClipHeight()
{
Rectangle rect = g.getClipping();
if (rect == null) {
DisplayAccess da = MIDletBridge.getMIDletAccess().getDisplayAccess();
return da.getCurrent().getHeight();
} else {
return rect.height;
}
}
public int getClipWidth()
{
Rectangle rect = g.getClipping();
if (rect == null) {
DisplayAccess da = MIDletBridge.getMIDletAccess().getDisplayAccess();
return da.getCurrent().getWidth();
} else {
return rect.width;
}
}
public void drawArc(int x, int y, int width, int height, int startAngle, int arcAngle)
{
g.drawArc(x, y, width, height, startAngle, arcAngle);
}
public void drawImage(Image img, int x, int y, int anchor)
{
int newx = x;
int newy = y;
if (anchor == 0) {
anchor = javax.microedition.lcdui.Graphics.TOP | javax.microedition.lcdui.Graphics.LEFT;
}
if ((anchor & javax.microedition.lcdui.Graphics.RIGHT) != 0) {
newx -= img.getWidth();
} else if ((anchor & javax.microedition.lcdui.Graphics.HCENTER) != 0) {
newx -= img.getWidth() / 2;
}
if ((anchor & javax.microedition.lcdui.Graphics.BOTTOM) != 0) {
newy -= img.getHeight();
} else if ((anchor & javax.microedition.lcdui.Graphics.VCENTER) != 0) {
newy -= img.getHeight() / 2;
}
if (img.isMutable()) {
g.drawImage(((SwtMutableImage) img).getImage(), newx, newy);
} else {
g.drawImage(((SwtImmutableImage) img).getImage(), newx, newy);
}
}
public void drawLine(int x1, int y1, int x2, int y2)
{
g.drawLine(x1, y1, x2, y2);
}
public void drawRect(int x, int y, int width, int height)
{
drawLine(x, y, x + width, y);
drawLine(x + width, y, x + width, y + height);
drawLine(x + width, y + height, x, y + height);
drawLine(x, y + height, x, y);
}
public void drawRegion(Image src, int x_src, int y_src, int width, int height, int transform, int x_dst, int y_dst, int anchor) {
// TODO implement drawRegion
super.drawRegion(src, x_src, y_src, width, height, transform, x_dst, y_dst,
anchor);
}
public void drawRGB(int[] rgbData, int offset, int scanlength, int x, int y, int width, int height, boolean processAlpha) {
// TODO implement drawRGB
super.drawRGB(rgbData, offset, scanlength, x, y, width, height, processAlpha);
}
public void fillTriangle(int x1, int y1, int x2, int y2, int x3, int y3) {
int[] points = new int[6];
points[0] = x1;
points[1] = y1;
points[2] = x2;
points[3] = y2;
points[4] = x3;
points[5] = y3;
g.fillPolygon(points);
}
public void drawRoundRect(int x, int y, int width, int height, int arcWidth, int arcHeight)
{
g.drawRoundRectangle(x, y, width, height, arcWidth, arcHeight);
}
public void drawString(String str, int x, int y, int anchor)
{
int newx = x;
int newy = y;
if (anchor == 0) {
anchor = javax.microedition.lcdui.Graphics.TOP | javax.microedition.lcdui.Graphics.LEFT;
}
if ((anchor & javax.microedition.lcdui.Graphics.VCENTER) != 0) {
newy -= g.getFontMetrics().getAscent();
} else if ((anchor & javax.microedition.lcdui.Graphics.BOTTOM) != 0) {
newy -= g.getFontMetrics().getHeight();
}
if ((anchor & javax.microedition.lcdui.Graphics.HCENTER) != 0) {
newx -= g.stringWidth(str) / 2;
} else if ((anchor & javax.microedition.lcdui.Graphics.RIGHT) != 0) {
newx -= g.stringWidth(str);
}
boolean textAntialiasing = ((SwtFontManager) DeviceFactory.getDevice().getFontManager()).getAntialiasing();
boolean graphicsAntialiasing = g.getAntialias();
if (textAntialiasing != graphicsAntialiasing) {
g.setAntialias(textAntialiasing);
}
g.drawString(str, newx, newy, true);
if (textAntialiasing != graphicsAntialiasing) {
g.setAntialias(graphicsAntialiasing);
}
if ((currentFont.getStyle() & javax.microedition.lcdui.Font.STYLE_UNDERLINED) != 0) {
g.drawLine(newx, newy + 1, newx + g.stringWidth(str), newy + 1);
}
}
public void fillArc(int x, int y, int width, int height, int startAngle, int arcAngle)
{
Color tmp = g.getBackground();
g.setBackground(g.getForeground());
g.fillArc(x, y, width, height, startAngle, arcAngle);
g.setBackground(tmp);
}
public void fillRect(int x, int y, int width, int height)
{
Color tmp = g.getBackground();
g.setBackground(g.getForeground());
g.fillRectangle(x, y, width, height);
g.setBackground(tmp);
}
public void fillRoundRect(int x, int y, int width, int height, int arcWidth, int arcHeight)
{
g.fillRoundRectangle(x, y, width, height, arcWidth, arcHeight);
}
public void translate(int x, int y)
{
super.translate(x, y);
g.translate(x, y);
}
}
