com.scudata.cellset.graph.draw.GraphFontView Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of esproc Show documentation
Show all versions of esproc Show documentation
SPL(Structured Process Language) A programming language specially for structured data computing.
package com.scudata.cellset.graph.draw;
import java.awt.geom.*;
import java.awt.*;
import java.util.*;
import com.scudata.chart.Utils;
import com.scudata.common.*;
/**
* ͼ????????ͼ
* ??װ??????????????Ϣ????????ͼ
* @author Joancy
*
*/
public class GraphFontView {
public static final byte FONT_TITLE = 0;
public static final byte FONT_LEGEND = 1;
public static final byte FONT_XLABEL = 2;
public static final byte FONT_YLABEL = 3;
public static final byte FONT_XTITLE = 4;
public static final byte FONT_YTITLE = 5;
public static final byte FONT_VALUE = 6;
public static final byte TEXT_FIXED = 0; // ???ֲ???У
public static final byte TEXT_ON_TOP = 1; // ????λ?????ĵ??Ϸ?
public static final byte TEXT_ON_BOTTOM = 2; // ????λ?????ĵ??·?
public static final byte TEXT_ON_LEFT = 3; // ????λ?????ĵ????
public static final byte TEXT_ON_RIGHT = 4; // ????λ?????ĵ??ұ?
public static final byte TEXT_ON_CENTER = 5; // ????λ?????ĵ?
DrawBase db;
public String text = "";
public String text2 = ""; // ????ͼ??Y2?????
public Font font;
public Color color;
public boolean vertical = false;
public int angle; // ??????ת?Ƕȣ?ע?ǰ??֧????ת0??90?ȣ?????Ķ???ȡ90?ȵ???
// ???ֵ?ȱʡ????λ??
byte textPosition = TEXT_FIXED;
private boolean allowIntersect = true; // ?Ƿ????????ڵ???ֵ?ص????
// Rectangle PA = null; //??һ??????ı????? PreArea
ArrayList fontRects = new ArrayList(); // ??????????ľ??ζ?hold????ֹ?ص????ʱҪ????????ռ????Ƚϣ??ϰ취??ֻ??????????
/**
* ??????????ͼ????
* @param drawBase ͼ?λ???ʵ??
*/
public GraphFontView(DrawBase drawBase) {
this.db = drawBase;
allowIntersect = drawBase.egp.isShowOverlapText();
}
/**
* ????????뷴??
* @param direction ???뷽ʽ
* @return ??????뷽ʽ??????Ҫ???????Ȼ?ǵ?ǰ???뷽ʽ
*/
public static byte reverseDirection(byte direction) {
switch (direction) {
case TEXT_FIXED:
return TEXT_FIXED;
case TEXT_ON_CENTER:
return TEXT_ON_CENTER;
case TEXT_ON_TOP:
return TEXT_ON_BOTTOM;
case TEXT_ON_BOTTOM:
return TEXT_ON_TOP;
case TEXT_ON_LEFT:
return TEXT_ON_RIGHT;
case TEXT_ON_RIGHT:
break;
}
return TEXT_ON_LEFT;
}
/**
* ???????????
* @param font ???????
*/
public void setFont(Font font) {
this.font = font;
}
/**
* ???û????ı?ʱ???Ƿ???????????????ص?
* @param allowIntersect ?????ص?
*/
public void setIntersect(boolean allowIntersect) {
this.allowIntersect = allowIntersect;
}
/**
* ??????ɫ
* @param color ??ɫ
*/
public void setColor(Color color) {
this.color = color;
}
/**
* ?????????Ƿ?????????
* @param vertical ????????
*/
public void setVertical(boolean vertical) {
this.vertical = vertical;
}
/**
* ?????ı?????ת?Ƕ?
* @param angle ?Ƕ?
*/
public void setAngle(int angle) {
if(Math.abs(angle)>90) {
int tmp = Math.abs(angle) % 90;
Logger.warn("Rotate angle must between [0,90], "+tmp+" will be used instead of "+angle);
this.angle = tmp;
}else {
this.angle = angle;
}
}
/**
* ??????ʾ?ı?
* @param text ?ı???
*/
public void setText(String text) {
if (text == null) {
return;
}
if (db.egp.is2YGraph()) {
int pos = -1;
//ֻ???÷ֺţ????ǵ????????÷ֿ??ı???ʽ
if (pos < 0) {
pos = text.indexOf(';');
}
if (pos < 0) {
this.text = text;
} else {
this.text = text.substring(0, pos);
this.text2 = text.substring(pos + 1);
}
} else {
this.text = text;
}
}
/**
* ??????????Բ?β???ʱ?ķ?λ???????״?ͼ
* @param pos ??λ
*/
public void setTextPosition(byte pos) {
this.textPosition = pos;
}
/**
* ????????????ǰ?ı?
* @param x ??????
* @param y ??????
*/
public void outText(double x, double y) {
outText(x, y, text);
}
/**
* ?ú???????X???ǩ????interval?????Ƿ?????
*
* @param x
* int ??????
* @param y
* int ??????
* @param text
* String ?ı?
* @param visible
* boolean ?Ƿ?ɼ?
*/
public void outText(double x, double y, String text, boolean visible) {
if (visible) {
outText(x, y, text);
}
}
/**
* ????ı?
* @param x ??????
* @param y ??????
* @param text ?ı?
* @param visible ?ɼ?
* @param direction ??λ
*/
public void outText(double x, double y, String text, boolean visible,
byte direction) {
if (visible) {
outText(x, y, text, direction);
}
}
/**
* ????ı?
* @param text
* String ?ı?
* @param x
* double ?ı????ʱ?????½?x
* @param y
* double ?ı????ʱ?????½?y
*/
public boolean outText(double x, double y, String text) {
return outText(x, y, text, textPosition);
}
private Rectangle intersects(Rectangle newRect) {
// Ҫ?Ӻ???ǰ?ң??ҵ????һ???ص?????
for (int i = fontRects.size() - 1; i >= 0; i--) {
Rectangle rect = (Rectangle) fontRects.get(i);
if (rect.intersects(newRect)) {
return rect;
}
}
return null;
}
/**
* ????ı?
* @param x ??????
* @param y ??????
* @param text ?ı?
* @param tmpColor ??ɫ
* @return ??????ɷ???true??????false
*/
public boolean outText(double x, double y, String text, Color tmpColor) {
return outText(x, y, text, textPosition, tmpColor);
}
/**
* ????ı?
* @param x ??????
* @param y ??????
* @param text ?ı?
* @param direction ??λ
* @return ??????ɷ???true??????false
*/
public boolean outText(double x, double y, String text, byte direction) {
return outText(x, y, text, direction, color);
}
/**
* ????ı?
* @param x ??????
* @param y ??????
* @param text ?ı?
* @param direction ??λ
* @param textColor ??ɫ
* @return ???????ı?????true??????false
*/
public boolean outText(double x, double y, String text, byte direction,
Color textColor) {
if (text == null || text.trim().length() == 0) {
return false;
}
if (font.getSize() == 0) {
return false;
}
Rectangle TA = getTextSize(text); // This Area
if (vertical || angle == 0) {
TA = getTextSize(text);
// } else if(angle%90!=0){
// vertical = true; // ????????ת?Ƕȵ?ʱ??,?ü???????????????Ƿ??ཻ
// TA = getTextSize(text);
// vertical = false;
}
FontMetrics fm = db.g.getFontMetrics(font);
Point rop = getActualTextPoint((int)x, (int)y, direction, TA, fm, text);
TA.x = rop.x;
TA.y = rop.y;
if (textColor != color) { // ???????ɫ???༭????ɫ??һ??ʱ????ʾʹ????ϵ?еĶ?̬??ɫ?????ֱ?ǩ????״̬??
// ???ж??ص????????ص?ʱ??????????????λ????????ɫ??ͬ????λ???Կ??Էֱ????
Rectangle rect = intersects(TA);
if (rect != null) {
if (TA.y <= rect.y) {
TA.y = rect.y - rect.height;
} else {
TA.y = rop.y + rect.height + db.VALUE_RADIUS + 2;
}
}
} else {
if (!allowIntersect && intersects(TA) != null) {
return false;
}
}
if (!fontRects.contains(TA)) {
fontRects.add(TA);
}
db.g.setColor(textColor);
db.g.setFont(font);
// ?????н?ֹ?ر?anti????֤???е??ߺ????ֶ???ƽ????
// ????Ҫ??ƽ?????????????????????ԣ??ijɻ???????ʱ?رվ?ݣ????????ָ?ƽ??
Composite com = db.g.getComposite();
Utils.setGraphAntiAliasingOff(db.g);
// db.g.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
// RenderingHints.VALUE_ANTIALIAS_OFF);
// ????ʹ??????????????ԭ?? 1,??????ʱ???????ͻ?????????2?????????ij?????????ɫ??????Ȼ??????
x = TA.x;
y = TA.y;
if (vertical) {
for (int i = 0; i < text.length(); i++) {
String ch = text.substring(i, i + 1);
if ("()[]{}".indexOf(ch) >= 0) {
AffineTransform at = db.g.getTransform();
double yy = y + i * (fm.getAscent() + 2);
if ("([{".indexOf(ch) >= 0) {
yy -= fm.getAscent() / 2;
} else {
yy -= fm.getAscent();
}
AffineTransform at1 = AffineTransform.getTranslateInstance(
x + 2, yy);
db.g.transform(at1);
double rotateAngle = Math.toRadians(90);
AffineTransform at2 = AffineTransform.getRotateInstance(
rotateAngle, 0, 0);
db.g.transform(at2);
db.g.setStroke(new BasicStroke(1f));
db.g.drawString(ch, 0, 0);
db.g.setTransform(at);
} else {
db.g.drawString(ch, (int)x, (int)(y + i * (fm.getAscent() + 2)));
}
}
} else if (angle == 0) {
db.g.drawString(text, (int)x, (int)y);
} else {
double rotateAngle = Math.toRadians(-angle);
AffineTransform at = db.g.getTransform();
AffineTransform at1 = AffineTransform.getRotateInstance(
rotateAngle, x, y);
db.g.transform(at1);
db.g.setStroke(new BasicStroke(1f));
db.g.drawString(text, (int)x, (int)y);
db.g.setTransform(at);
}
Utils.setGraphAntiAliasingOn(db.g);
// ?????????ϣ??ٻָ?ƽ??
// db.g.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
// RenderingHints.VALUE_ANTIALIAS_ON);
db.g.setComposite(com);
db.g.setStroke(new BasicStroke(0.00001f));
return true;
}
private Point getActualTextPoint(int x, int y, byte direction,
Rectangle TA, FontMetrics fm, String text) {
if (direction == TEXT_FIXED) {
return new Point(x, y);
}
if (vertical) {
switch (direction) {
case TEXT_ON_BOTTOM:
x -= TA.width / 2;
break;
case TEXT_ON_TOP:
x -= TA.width / 2;
y -= TA.height;
break;
case TEXT_ON_LEFT:
x -= TA.width;
y -= TA.height / 2;
break;
case TEXT_ON_RIGHT:
y -= TA.height / 2;
break;
case TEXT_ON_CENTER:
x -= TA.width / 2;
y -= TA.height / 2;
break;
}
y += fm.getAscent() + 2;
} else if (angle == 0) {
switch (direction) {
case TEXT_ON_BOTTOM:
x -= TA.width / 2;
y += TA.height;
break;
case TEXT_ON_TOP:
x -= TA.width / 2;
break;
case TEXT_ON_LEFT:
x -= TA.width;
y += TA.height / 2;
break;
case TEXT_ON_RIGHT:
y += TA.height / 2;
break;
case TEXT_ON_CENTER:
x -= TA.width / 2;
y += TA.height / 2;
break;
}
} else if(angle==90){
switch (direction) {
case TEXT_ON_BOTTOM:
x += TA.width / 2;
y += TA.height;
break;
case TEXT_ON_TOP:
x += TA.width / 2;
break;
case TEXT_ON_LEFT:
y += TA.height / 2;
break;
case TEXT_ON_RIGHT:
x += TA.width;
y += TA.height / 2;
break;
case TEXT_ON_CENTER:
x += TA.width / 2;
y += TA.height / 2;
break;
}
}else {
// ??ת?ǶȽ?֧??0-90??
double rotateAngle = Math.toRadians(angle);
Rectangle tmpTA = getTextSize(text);
FontMetrics tfm = db.g.getFontMetrics(font);
int tw = tfm.stringWidth(text);
int th = tfm.getAscent();
double dotLeft = th * Math.sin(rotateAngle );
double dotRight = tw * Math.cos(rotateAngle );
double halfW = tmpTA.width/2;
double halfH = tmpTA.height/2;
switch (direction) {
case TEXT_ON_BOTTOM:
x += halfW-dotLeft;
y += tmpTA.height;
break;
case TEXT_ON_TOP:
x += halfW-dotLeft;
break;
case TEXT_ON_LEFT:
x -= dotRight;
y += halfH;
break;
case TEXT_ON_RIGHT:
x += dotLeft;
y += halfH;
break;
case TEXT_ON_CENTER:
x -= halfW-dotLeft;
y += halfH;
break;
}
}
int gap = 2;
switch (direction) {
case TEXT_ON_BOTTOM:
y += gap;
break;
case TEXT_ON_TOP:
y -= gap;
break;
case TEXT_ON_LEFT:
x -= gap;
break;
case TEXT_ON_RIGHT:
x += gap;
break;
}
return new Point(x, y);
}
/**
* ??ȡ??ǰ?ı???ռ????
* @return ?????????ı?????
*/
public Rectangle getTextSize() {
return getTextSize(text);
}
/**
* ??ȡָ???ı??ٵ?ǰ?????µ???ռ????
* @param text ?ı?
* @return ????????
*/
public Rectangle getTextSize(String text) {
if (text == null) {
return new Rectangle();
}
if (vertical) {
return getVerticalArea(text);
}
if (angle % 180== 0) {
return getHorizonArea(text);
}
return getRotationArea(text);
}
private Rectangle getVerticalArea(String text) {
if (!StringUtils.isValidString(text)) {
text = "A";
}
Rectangle area = new Rectangle();
FontMetrics fm = db.g.getFontMetrics(font);
int hh = fm.getAscent() + 2; // ???????ּ???2????ļ?϶
area.width = fm.stringWidth(text.substring(0, 1));
area.height = hh * text.length();
return area;
}
private Rectangle getHorizonArea(String text) {
Rectangle area = new Rectangle();
FontMetrics fm = db.g.getFontMetrics(font);
int hw = fm.stringWidth(text);
int hh = fm.getAscent();
area.width = hw;
area.height = hh - fm.getLeading() - 2;// ??????˵Ascent???Ѿ??????ֻ????ϲ??ռ??ˣ???ʵ???Ƕ??ˣ???һ??2
return area;
}
private Rectangle getRotationArea(String text) {
if (!StringUtils.isValidString(text)) {
text = "A";
}
Rectangle area = new Rectangle();
FontMetrics fm = db.g.getFontMetrics(font);
int hw = fm.stringWidth(text);
int hh = fm.getAscent();
double djx = Math.sqrt(hw * hw + hh * hh); // ?Խ??߳???
double textAngle = Math.atan(hh / (hw * 1.0f)), tmpAngle; // ???ֱ????ĶԽ?????ױߵĽǶ?
// ??λ??????
int aw, ah;
// ?????Ǿ??Σ???????hw??ת?Ƕȵõ??߶ȣ????öԽ???ȥ??ת
tmpAngle = textAngle + Math.toRadians(angle);
ah = (int) (djx * Math.sin(tmpAngle));
tmpAngle = Math.toRadians(angle) - textAngle;
aw = (int) (djx * Math.cos(tmpAngle));
if (aw == 0) {
aw = fm.stringWidth(text.substring(0, 1));
}
if (ah == 0) {
ah = hh;
}
area.width = Math.abs( aw );
area.height = Math.abs( ah );
return area;
}
}