Evan Debenham
325 lines
7.0 KiB
Java
325 lines
7.0 KiB
Java
/*
|
|
* Pixel Dungeon
|
|
* Copyright (C) 2012-2015 Oleg Dolya
|
|
*
|
|
* Shattered Pixel Dungeon
|
|
* Copyright (C) 2014-2017 Evan Debenham
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program 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 for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>
|
|
*/
|
|
|
|
package com.watabou.noosa;
|
|
|
|
import java.util.ArrayList;
|
|
import java.util.regex.Pattern;
|
|
|
|
import android.graphics.RectF;
|
|
|
|
import com.watabou.glwrap.Quad;
|
|
import com.watabou.utils.PointF;
|
|
|
|
public class BitmapTextMultiline extends BitmapText {
|
|
|
|
public int maxWidth = Integer.MAX_VALUE;
|
|
|
|
protected static final Pattern PARAGRAPH = Pattern.compile( "\n" );
|
|
protected static final Pattern WORD = Pattern.compile( "\\s+" );
|
|
|
|
protected float spaceSize;
|
|
|
|
public int nLines = 0;
|
|
|
|
public boolean[] mask;
|
|
|
|
public BitmapTextMultiline( Font font ) {
|
|
this( "", font );
|
|
}
|
|
|
|
public BitmapTextMultiline( String text, Font font ) {
|
|
super( text, font );
|
|
spaceSize = font.width( font.get( ' ' ) );
|
|
}
|
|
|
|
@Override
|
|
protected void updateVertices() {
|
|
|
|
if (text == null) {
|
|
text = "";
|
|
}
|
|
|
|
quads = Quad.createSet( text.length() );
|
|
realLength = 0;
|
|
|
|
// This object controls lines breaking
|
|
SymbolWriter writer = new SymbolWriter();
|
|
|
|
// Word size
|
|
PointF metrics = new PointF();
|
|
|
|
String paragraphs[] = PARAGRAPH.split( text );
|
|
|
|
// Current character (used in masking)
|
|
int pos = 0;
|
|
|
|
for (int i=0; i < paragraphs.length; i++) {
|
|
|
|
String[] words = WORD.split( paragraphs[i] );
|
|
|
|
for (int j=0; j < words.length; j++) {
|
|
|
|
String word = words[j];
|
|
if (word.length() == 0) {
|
|
// This case is possible when there are
|
|
// several spaces coming along
|
|
continue;
|
|
}
|
|
|
|
|
|
getWordMetrics( word, metrics );
|
|
writer.addSymbol( metrics.x, metrics.y );
|
|
|
|
int length = word.length();
|
|
float shift = 0; // Position in pixels relative to the beginning of the word
|
|
|
|
for (int k=0; k < length; k++) {
|
|
RectF rect = font.get( word.charAt( k ) );
|
|
|
|
float w = font.width( rect );
|
|
float h = font.height( rect );
|
|
|
|
if (mask == null || mask[pos]) {
|
|
vertices[0] = writer.x + shift;
|
|
vertices[1] = writer.y;
|
|
|
|
vertices[2] = rect.left;
|
|
vertices[3] = rect.top;
|
|
|
|
vertices[4] = writer.x + shift + w;
|
|
vertices[5] = writer.y;
|
|
|
|
vertices[6] = rect.right;
|
|
vertices[7] = rect.top;
|
|
|
|
vertices[8] = writer.x + shift + w;
|
|
vertices[9] = writer.y + h;
|
|
|
|
vertices[10] = rect.right;
|
|
vertices[11] = rect.bottom;
|
|
|
|
vertices[12] = writer.x + shift;
|
|
vertices[13] = writer.y + h;
|
|
|
|
vertices[14] = rect.left;
|
|
vertices[15] = rect.bottom;
|
|
|
|
quads.put( vertices );
|
|
realLength++;
|
|
}
|
|
|
|
shift += w + font.tracking;
|
|
|
|
pos++;
|
|
}
|
|
|
|
writer.addSpace( spaceSize );
|
|
}
|
|
|
|
writer.newLine( 0, font.lineHeight );
|
|
}
|
|
|
|
nLines = writer.nLines();
|
|
|
|
dirty = false;
|
|
}
|
|
|
|
private void getWordMetrics( String word, PointF metrics ) {
|
|
|
|
float w = 0;
|
|
float h = 0;
|
|
|
|
int length = word.length();
|
|
for (int i=0; i < length; i++) {
|
|
|
|
RectF rect = font.get( word.charAt( i ) );
|
|
w += font.width( rect ) + (w > 0 ? font.tracking : 0);
|
|
h = Math.max( h, font.height( rect ) );
|
|
}
|
|
|
|
metrics.set( w, h );
|
|
}
|
|
|
|
@Override
|
|
public void measure() {
|
|
|
|
SymbolWriter writer = new SymbolWriter();
|
|
|
|
PointF metrics = new PointF();
|
|
|
|
String paragraphs[] = PARAGRAPH.split( text );
|
|
|
|
for (int i=0; i < paragraphs.length; i++) {
|
|
|
|
String[] words = WORD.split( paragraphs[i] );
|
|
|
|
for (int j=0; j < words.length; j++) {
|
|
|
|
if (j > 0) {
|
|
writer.addSpace( spaceSize );
|
|
}
|
|
String word = words[j];
|
|
if (word.length() == 0) {
|
|
continue;
|
|
}
|
|
|
|
getWordMetrics( word, metrics );
|
|
writer.addSymbol( metrics.x, metrics.y );
|
|
}
|
|
|
|
writer.newLine( 0, font.lineHeight );
|
|
}
|
|
|
|
width = writer.width;
|
|
height = writer.height;
|
|
|
|
nLines = writer.nLines();
|
|
}
|
|
|
|
@Override
|
|
public float baseLine() {
|
|
return (height - font.lineHeight + font.baseLine) * scale.y;
|
|
}
|
|
|
|
private class SymbolWriter {
|
|
|
|
public float width = 0;
|
|
public float height = 0;
|
|
|
|
public int nLines = 0;
|
|
|
|
public float lineWidth = 0;
|
|
public float lineHeight = 0;
|
|
|
|
public float x = 0;
|
|
public float y = 0;
|
|
|
|
public void addSymbol( float w, float h ) {
|
|
if (lineWidth > 0 && lineWidth + font.tracking + w > maxWidth / scale.x) {
|
|
newLine( w, h );
|
|
} else {
|
|
|
|
x = lineWidth;
|
|
|
|
lineWidth += (lineWidth > 0 ? font.tracking : 0) + w;
|
|
if (h > lineHeight) {
|
|
lineHeight = h;
|
|
}
|
|
}
|
|
}
|
|
|
|
public void addSpace( float w ) {
|
|
if (lineWidth > 0 && lineWidth + font.tracking + w > maxWidth / scale.x) {
|
|
newLine( 0, 0 );
|
|
} else {
|
|
|
|
x = lineWidth;
|
|
lineWidth += (lineWidth > 0 ? font.tracking : 0) + w;
|
|
}
|
|
}
|
|
|
|
public void newLine( float w, float h ) {
|
|
|
|
height += lineHeight;
|
|
if (width < lineWidth) {
|
|
width = lineWidth;
|
|
}
|
|
|
|
lineWidth = w;
|
|
lineHeight = h;
|
|
|
|
x = 0;
|
|
y = height;
|
|
|
|
nLines++;
|
|
}
|
|
|
|
public int nLines() {
|
|
return x == 0 ? nLines : nLines+1;
|
|
}
|
|
}
|
|
|
|
public class LineSplitter {
|
|
|
|
private ArrayList<BitmapText> lines;
|
|
|
|
private StringBuilder curLine;
|
|
private float curLineWidth;
|
|
|
|
private PointF metrics = new PointF();
|
|
|
|
private void newLine( String str, float width ) {
|
|
BitmapText txt = new BitmapText( curLine.toString(), font );
|
|
txt.scale.set( scale.x );
|
|
lines.add( txt );
|
|
|
|
curLine = new StringBuilder( str );
|
|
curLineWidth = width;
|
|
}
|
|
|
|
private void append( String str, float width ) {
|
|
curLineWidth += (curLineWidth > 0 ? font.tracking : 0) + width;
|
|
curLine.append( str );
|
|
}
|
|
|
|
public ArrayList<BitmapText> split() {
|
|
|
|
lines = new ArrayList<>();
|
|
|
|
curLine = new StringBuilder();
|
|
curLineWidth = 0;
|
|
|
|
String paragraphs[] = PARAGRAPH.split( text );
|
|
|
|
for (int i=0; i < paragraphs.length; i++) {
|
|
|
|
String[] words = WORD.split( paragraphs[i] );
|
|
|
|
for (int j=0; j < words.length; j++) {
|
|
|
|
String word = words[j];
|
|
if (word.length() == 0) {
|
|
continue;
|
|
}
|
|
|
|
getWordMetrics( word, metrics );
|
|
|
|
if (curLineWidth > 0 && curLineWidth + font.tracking + metrics.x > maxWidth / scale.x) {
|
|
newLine( word, metrics.x );
|
|
} else {
|
|
append( word, metrics.x );
|
|
}
|
|
|
|
if (curLineWidth > 0 && curLineWidth + font.tracking + spaceSize > maxWidth / scale.x) {
|
|
newLine( "", 0 );
|
|
} else {
|
|
append( " ", spaceSize );
|
|
}
|
|
}
|
|
|
|
newLine( "", 0 );
|
|
}
|
|
|
|
return lines;
|
|
}
|
|
}
|
|
} |