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calculate the total line height before aligning the letters, calculate the total line height from the font line height and total line count. Include a test case with alignment examples. fixes: #363

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accellbaker
Remy Van Doosselaer 6 years ago committed by Riccardo Balbo
parent 35b9d9df4e
commit 988537987a
2 changed files with 149 additions and 4 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
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  1. 9
      jme3-core/src/main/java/com/jme3/font/Letters.java
  2. 144
      jme3-examples/src/main/java/jme3test/gui/TestBitmapFontAlignment.java

9
jme3-core/src/main/java/com/jme3/font/Letters.java
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@ -35,6 +35,7 @@ import com.jme3.font.BitmapFont.Align;
import com.jme3.font.BitmapFont.VAlign;
import com.jme3.font.ColorTags.Range;
import com.jme3.math.ColorRGBA;
import java.util.LinkedList;
/**
@ -179,8 +180,8 @@ class Letters {
l = l.getNext();
}
align();
block.setLineCount(lineCount);
align();
rewind();
}
@ -203,10 +204,10 @@ class Letters {
gapY = 0;
break;
case Center:
gapY = (height-totalHeight)*0.5f;
gapY = (height - totalHeight) * 0.5f;
break;
case Bottom:
gapY = height-totalHeight;
gapY = height - totalHeight;
break;
}
}
@ -323,9 +324,9 @@ class Letters {
while (!l.isTail()) {
totalWidth = Math.max(totalWidth, l.getX1());
l = l.getNext();
totalHeight = Math.max(totalHeight, -l.getY1());
}
}
totalHeight = font.getLineHeight(block) * block.getLineCount();
}
/**

144
jme3-examples/src/main/java/jme3test/gui/TestBitmapFontAlignment.java
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@ -0,0 +1,144 @@
/*
* Copyright (c) 2009-2019 jMonkeyEngine
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * Neither the name of 'jMonkeyEngine' nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package jme3test.gui;
import com.jme3.app.SimpleApplication;
import com.jme3.font.BitmapFont;
import com.jme3.font.BitmapText;
import com.jme3.font.Rectangle;
import com.jme3.material.Material;
import com.jme3.math.ColorRGBA;
import com.jme3.scene.Geometry;
import com.jme3.scene.shape.Quad;
public class TestBitmapFontAlignment extends SimpleApplication {
public static void main(String[] args) {
TestBitmapFontAlignment test = new TestBitmapFontAlignment();
test.start();
}
@Override
public void simpleInitApp() {
int width = getCamera().getWidth();
int height = getCamera().getHeight();
// VAlign.Top
BitmapText labelAlignTop = guiFont.createLabel("This text has VAlign.Top.");
Rectangle textboxAlignTop = new Rectangle(width * 0.2f, height * 0.7f, 120, 120);
labelAlignTop.setBox(textboxAlignTop);
labelAlignTop.setVerticalAlignment(BitmapFont.VAlign.Top);
getGuiNode().attachChild(labelAlignTop);
Geometry backgroundBoxAlignTop = new Geometry("", new Quad(textboxAlignTop.width, -textboxAlignTop.height));
Material material = new Material(assetManager, "Common/MatDefs/Misc/Unshaded.j3md");
material.setColor("Color", ColorRGBA.Blue);
backgroundBoxAlignTop.setMaterial(material);
backgroundBoxAlignTop.setLocalTranslation(textboxAlignTop.x, textboxAlignTop.y, -1);
getGuiNode().attachChild(backgroundBoxAlignTop);
// VAlign.Center
BitmapText labelAlignCenter = guiFont.createLabel("This text has VAlign.Center");
Rectangle textboxAlignCenter = new Rectangle(width * 0.4f, height * 0.7f, 120, 120);
labelAlignCenter.setBox(textboxAlignCenter);
labelAlignCenter.setVerticalAlignment(BitmapFont.VAlign.Center);
getGuiNode().attachChild(labelAlignCenter);
Geometry backgroundBoxAlignCenter = backgroundBoxAlignTop.clone(false);
backgroundBoxAlignCenter.setLocalTranslation(textboxAlignCenter.x, textboxAlignCenter.y, -1);
getGuiNode().attachChild(backgroundBoxAlignCenter);
// VAlign.Bottom
BitmapText labelAlignBottom = guiFont.createLabel("This text has VAlign.Bottom");
Rectangle textboxAlignBottom = new Rectangle(width * 0.6f, height * 0.7f, 120, 120);
labelAlignBottom.setBox(textboxAlignBottom);
labelAlignBottom.setVerticalAlignment(BitmapFont.VAlign.Bottom);
getGuiNode().attachChild(labelAlignBottom);
Geometry backgroundBoxAlignBottom = backgroundBoxAlignTop.clone(false);
backgroundBoxAlignBottom.setLocalTranslation(textboxAlignBottom.x, textboxAlignBottom.y, -1);
getGuiNode().attachChild(backgroundBoxAlignBottom);
// VAlign.Top + Align.Right
BitmapText labelAlignTopRight = guiFont.createLabel("This text has VAlign.Top and Align.Right");
Rectangle textboxAlignTopRight = new Rectangle(width * 0.2f, height * 0.3f, 120, 120);
labelAlignTopRight.setBox(textboxAlignTopRight);
labelAlignTopRight.setVerticalAlignment(BitmapFont.VAlign.Top);
labelAlignTopRight.setAlignment(BitmapFont.Align.Right);
getGuiNode().attachChild(labelAlignTopRight);
Geometry backgroundBoxAlignTopRight = backgroundBoxAlignTop.clone(false);
backgroundBoxAlignTopRight.setLocalTranslation(textboxAlignTopRight.x, textboxAlignTopRight.y, -1);
getGuiNode().attachChild(backgroundBoxAlignTopRight);
// VAlign.Center + Align.Center
BitmapText labelAlignCenterCenter = guiFont.createLabel("This text has VAlign.Center and Align.Center");
Rectangle textboxAlignCenterCenter = new Rectangle(width * 0.4f, height * 0.3f, 120, 120);
labelAlignCenterCenter.setBox(textboxAlignCenterCenter);
labelAlignCenterCenter.setVerticalAlignment(BitmapFont.VAlign.Center);
labelAlignCenterCenter.setAlignment(BitmapFont.Align.Center);
getGuiNode().attachChild(labelAlignCenterCenter);
Geometry backgroundBoxAlignCenterCenter = backgroundBoxAlignCenter.clone(false);
backgroundBoxAlignCenterCenter.setLocalTranslation(textboxAlignCenterCenter.x, textboxAlignCenterCenter.y, -1);
getGuiNode().attachChild(backgroundBoxAlignCenterCenter);
// VAlign.Bottom + Align.Left
BitmapText labelAlignBottomLeft = guiFont.createLabel("This text has VAlign.Bottom and Align.Left");
Rectangle textboxAlignBottomLeft = new Rectangle(width * 0.6f, height * 0.3f, 120, 120);
labelAlignBottomLeft.setBox(textboxAlignBottomLeft);
labelAlignBottomLeft.setVerticalAlignment(BitmapFont.VAlign.Bottom);
labelAlignBottomLeft.setAlignment(BitmapFont.Align.Left);
getGuiNode().attachChild(labelAlignBottomLeft);
Geometry backgroundBoxAlignBottomLeft = backgroundBoxAlignBottom.clone(false);
backgroundBoxAlignBottomLeft.setLocalTranslation(textboxAlignBottomLeft.x, textboxAlignBottomLeft.y, -1);
getGuiNode().attachChild(backgroundBoxAlignBottomLeft);
// Large quad with VAlign.Center and Align.Center
BitmapText label = guiFont.createLabel("This is text that is centered.");
Rectangle box = new Rectangle(width * 0.05f, height * 0.95f, width * 0.9f, height * 0.1f);
label.setBox(box);
label.setAlignment(BitmapFont.Align.Center);
label.setVerticalAlignment(BitmapFont.VAlign.Center);
getGuiNode().attachChild(label);
Geometry background = new Geometry("background", new Quad(box.width, -box.height));
Material mat = new Material(assetManager, "Common/MatDefs/Misc/Unshaded.j3md");
mat.setColor("Color", ColorRGBA.Green);
background.setMaterial(mat);
background.setLocalTranslation(box.x, box.y, -1);
getGuiNode().attachChild(background);
}
}
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