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/*
* Copyright (c) 2012, Codename One and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Codename One designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code 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 General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Codename One through http://www.codenameone.com/ if you
* need additional information or have any questions.
*/
package com.codename1.charts.compat;
import com.codename1.io.Log;
import com.codename1.ui.Component;
import com.codename1.ui.Display;
import com.codename1.ui.Font;
import com.codename1.ui.Image;
import com.codename1.ui.Stroke;
import com.codename1.ui.Transform;
import com.codename1.ui.geom.Rectangle;
import com.codename1.ui.geom.Rectangle2D;
import com.codename1.ui.geom.Shape;
import com.codename1.charts.compat.GradientDrawable.Orientation;
import com.codename1.charts.util.ColorUtil;
import com.codename1.ui.geom.GeneralPath;
import java.util.ArrayList;
/**
* An internal compatibility class for use by the Charts library. Since the
* library was ported from an Android library, it made use of Canvas and Paint,
* so rather than rewriting all of this, we added a Canvas and Paint compatibility
* layer.
*
* **DO NOT USE DIRECTLY**
*
* @author shannah
* @deprecated
*/
public class Canvas {
public com.codename1.ui.Graphics g;
public Rectangle bounds = null;
public int absoluteX = 0;
public int absoluteY = 0;
public Canvas(){
Display d = Display.getInstance();
bounds = new Rectangle(0,0, d.getDisplayWidth(), d.getDisplayHeight());
absoluteX = bounds.getX();
absoluteY = bounds.getY();
}
public void getClipBounds(Rectangle mRect) {
int [] bounds = g.getClip();
mRect.setBounds(bounds[0], bounds[1], bounds[2], bounds[3]);
}
private void applyPaint(Paint paint){
applyPaint(paint, false);
}
private void applyPaint(Paint paint, boolean forText){
//Log.p("Applyingn paint : "+paint);
g.setColor(paint.getColor());
int alpha = ColorUtil.alpha(paint.getColor());
g.concatenateAlpha(alpha);
if ( forText ){
Font typeFace = paint.getTypeface();
if ( typeFace != null ){
if ( typeFace.getSize() != (int)paint.getTextSize()){
typeFace = typeFace.derive(paint.getTextSize(), Font.STYLE_PLAIN);
}
g.setFont(typeFace);
} else {
g.setFont(null);
}
}
}
public void drawRect(float left, float top, float right, float bottom, Paint paint) {
applyPaint(paint);
Paint.Style style = paint.getStyle();
if ( Paint.Style.FILL.equals(style)){
//Log.p("Filling it");
g.fillRect((int)left, (int)top, (int)right-(int)left, (int)bottom-(int)top);
} else if ( Paint.Style.STROKE.equals(style)){
g.drawRect((int)left, (int)top, (int)right-(int)left, (int)bottom-(int)top);
} else if ( Paint.Style.FILL_AND_STROKE.equals(style)){
g.fillRect((int)left, (int)top, (int)right-(int)left, (int)bottom-(int)top);
//g.drawRect((int)left+bounds.getX(), (int)top+bounds.getY(), (int)right-(int)left, (int)bottom-(int)top);
}
}
public void drawText(String string, float x, float y, Paint paint) {
applyPaint(paint, true);
int offX = 0;
int offY = 0;
if ( paint.getTextAlign() == Component.CENTER){
offX = -g.getFont().stringWidth(string)/2;
} else if ( paint.getTextAlign() == Component.RIGHT ){
offX = -g.getFont().stringWidth(string);
}
int h = g.getFont().getAscent();
g.drawString(string, (int)x+offX, (int)y-h+offY);
}
public int getHeight() {
if ( bounds != null ){
return bounds.getHeight();
}
return g.getClipHeight();
}
public int getWidth() {
if ( bounds != null ){
return bounds.getWidth();
}
return g.getClipWidth();
}
private Stroke getStroke(Paint paint){
return new Stroke(
paint.getStrokeWidth(),
paint.getStrokeCap(),
paint.getStrokeJoin(),
paint.getStrokeMiter()
);
}
public void drawPath(Shape p, Paint paint){
applyPaint(paint);
Paint.Style style = paint.getStyle();
if ( style.equals(Paint.Style.FILL)){
g.fillShape(p);
//g.drawShape(p, getStroke(paint));
} else if ( style.equals(Paint.Style.STROKE)){
g.drawShape(p, getStroke(paint));
} else if ( style.equals(Paint.Style.FILL_AND_STROKE)){
g.fillShape(p);
g.drawShape(p, getStroke(paint));
}
}
public void drawLine(float x1, float y1, float x2, float y2, Paint paint) {
applyPaint(paint);
g.drawLine((int)x1, (int)y1, (int)x2, (int)y2);
}
public void rotate(float angle, float x, float y) {
//Log.p("Rotating by angle "+angle);
Transform t = g.getTransform();
t.rotate((float)(angle*Math.PI/180.0), x+absoluteX-bounds.getX(), y+absoluteY-bounds.getY());
g.setTransform(t);
}
public void scale(float x, float y) {
Transform t = g.getTransform();
t.translate(bounds.getX(), bounds.getY());
t.scale(x, y);
t.translate(-bounds.getX(), -bounds.getY());
g.setTransform(t);
}
public void translate(float x, float y) {
Transform t = g.getTransform();
t.translate(x, y);
g.setTransform(t);
}
public void drawCircle(float cx, float cy, float r, Paint paint) {
drawArc(new Rectangle2D(cx-r, cy-r, 2*r, 2*r), 0, 360, true, paint);
}
public void drawArc(Rectangle2D oval, float currentAngle, float sweepAngle, boolean useCenter, Paint paint) {
applyPaint(paint);
Paint.Style style = paint.getStyle();
if ( Paint.Style.FILL.equals(style)){
g.fillArc((int)Math.round(oval.getX()), (int)Math.round(oval.getY()), (int)Math.round(oval.getWidth()), (int)Math.round(oval.getHeight()), -(int)Math.floor(currentAngle), -(int)Math.ceil(sweepAngle));
} else if ( Paint.Style.STROKE.equals(style)){
g.drawArc((int)Math.round(oval.getX()), (int)Math.round(oval.getY()), (int)Math.round(oval.getWidth()), (int)Math.round(oval.getHeight()), -(int)Math.floor(currentAngle), -(int)Math.ceil(sweepAngle));
} else if ( Paint.Style.FILL_AND_STROKE.equals(style)){
g.fillArc((int)Math.round(oval.getX()), (int)Math.round(oval.getY()), (int)Math.round(oval.getWidth()), (int)Math.round(oval.getHeight()), -(int)Math.floor(currentAngle), -(int)Math.ceil(sweepAngle));
g.drawArc((int)Math.round(oval.getX()), (int)Math.round(oval.getY()), (int)Math.round(oval.getWidth()), (int)Math.round(oval.getHeight()), -(int)Math.floor(currentAngle), -(int)Math.ceil(sweepAngle));
}
}
public void drawArcWithGradient(Rectangle2D oval, float currentAngle, float sweepAngle, boolean useCenter, Paint paint, GradientDrawable gradient) {
g.fillRadialGradient(gradient.colors[1], gradient.colors[0], (int)oval.getX(), (int)oval.getY(), (int)oval.getWidth(), (int)oval.getHeight(), -(int)Math.floor(currentAngle), -(int)Math.ceil(sweepAngle));
}
public void drawPoint(Float get, Float get0, Paint paint) {
throw new RuntimeException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
}
public void drawRoundRect(Rectangle2D rect, float rx, float ry, Paint mPaint) {
applyPaint(mPaint);
Paint.Style style = mPaint.getStyle();
if ( Paint.Style.FILL.equals(style)){
g.fillRoundRect((int)rect.getX(), (int)rect.getY(), (int)(rect.getWidth()), (int)(rect.getHeight()), (int)rx, (int)ry);
} else if ( Paint.Style.STROKE.equals(style)){
g.drawRoundRect((int)rect.getX(), (int)rect.getY(), (int)(rect.getWidth()), (int)(rect.getHeight()), (int)rx, (int)ry);
} else if ( Paint.Style.FILL_AND_STROKE.equals(style)){
g.fillRoundRect((int)rect.getX(), (int)rect.getY(), (int)(rect.getWidth()), (int)(rect.getHeight()), (int)rx, (int)ry);
g.drawRoundRect((int)rect.getX(), (int)rect.getY(), (int)(getWidth()), (int)(rect.getHeight()), (int)rx, (int)ry);
}
g.drawRoundRect((int)rect.getX(), (int)rect.getY(), (int)(rect.getWidth()), (int)(rect.getHeight()), (int)rx, (int)ry);
}
public void drawBitmap(Image img, float left, float top, Paint paint) {
g.drawImage(img, (int)left, (int)top);
}
void drawGradient(GradientDrawable gradient){
Orientation o = gradient.orientation;
Rectangle r = gradient.bounds;
int[] colors = gradient.colors;
int clen = colors.length;
if ( Orientation.TOP_BOTTOM.equals(o) || Orientation.BOTTOM_TOP.equals(o)){
if ( Orientation.BOTTOM_TOP.equals(o) ){
colors = new int[clen];
for ( int i=0; i
