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/*
*
* Copyright (c) 2010 Steve Slaven
*
* 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 net.hoopajoo.android.SoftKeys;
import android.content.Context;
import android.content.SharedPreferences;
import android.content.res.Resources;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Matrix;
import android.graphics.Shader;
import android.graphics.Bitmap.Config;
import android.graphics.Shader.TileMode;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
import android.preference.PreferenceManager;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageButton;
public class Generator {
public static int defaultIconSize( Context c ) {
final Resources resources = c.getResources();
return( (int) resources.getDimension( android.R.dimen.app_icon_size ) );
}
public static View createButtonContainer( Context c, int iconSize, float iconScale, String prefix, ViewGroup root ) {
return createButtonContainer( c, iconSize, iconScale, prefix, root, null );
}
// this assembles a generic button_container that can be inserted into whatever layout
public static View createButtonContainer( Context c, int iconSize, float iconScale, String prefix, ViewGroup root, int[] buttons ) {
SharedPreferences settings = PreferenceManager.getDefaultSharedPreferences( c );
Theme theme = new Theme( c, settings.getString( "theme", null ) );
if( iconSize == 0 ) {
// default icon size
iconSize = defaultIconSize( c );
}
iconSize = (int)(iconSize * iconScale);
// we start with some kind of viewgroup (linearlayout,etc)
ViewGroup container = (ViewGroup)theme.inflateLayout( c,
new String[] { prefix + "_button_container", "button_container" }
, root, false );
container.setId( R.id.button_container );
Drawable d = theme.getDrawable(
new String[] { prefix + "_button_container_background",
"button_container_background" }
);
if( d != null ) {
// resize?
if( theme.getBoolean( new String[] { prefix + "_resize_background", "resize_background" } ) ) {
d = resizeImage( d, iconSize, iconSize );
}
applyTiling( d, theme.getString( new String[] {
prefix + "_tile_background",
"tile_background"
} ) );
container.setBackgroundDrawable( d );
}
// If they have specified a view id to use for insertion then switch to that now
ViewGroup button_container = container;
String button_container_name = theme.getString( new String[] {
prefix + "_button_container_id",
"button_container_id"
} );
if( button_container_name != null ) {
button_container = (ViewGroup)container.findViewById( theme.getId(
new String[] { button_container_name } ) );
// if it's null just go back to main container
if( button_container == null ) {
button_container = container;
}
}
// now we add the buttons
if( buttons == null ) {
buttons = new int[] { R.id.menu, R.id.home, R.id.back,
R.id.search, R.id.settings, R.id.exit };
}
for( int i : buttons ) {
String name = "unknown";
switch( i ) {
case R.id.menu:
name = "menu";
break;
case R.id.home:
name = "home";
break;
case R.id.back:
name = "back";
break;
case R.id.search:
name = "search";
break;
case R.id.settings:
name = "settings";
break;
case R.id.exit:
name = "exit";
break;
case R.id.popper:
name = "popper";
break;
}
ImageButton b = (ImageButton)theme.inflateLayout( c,
new String[] { prefix + "_button_" + name,
prefix + "_button", "button_" + name, "button" }
, button_container, false );
b.setId( i );
// Add our images at the size we want
d = b.getDrawable();
if( d == null ) {
d = theme.getDrawable(
new String[] { prefix + "_button_" + name,
prefix + "_button", "button_" + name, "button" }
);
}
b.setImageDrawable( resizeImage( d, iconSize, iconSize ) );
// add bg if not set and one is specified in the theme
d = theme.getDrawable(
new String[] { prefix + "_button_background_" + name,
prefix + "_button_background", "button_background_" + name,
"button_background" }
);
if( d != null ) {
if( theme.getBoolean( new String[] {
prefix + "_resize_button_background_" + name,
prefix + "_resize_button_background",
"resize_button_background_" + name,
"resize_button_background" } ) ) {
d = resizeImage( d, iconSize, iconSize );
}
applyTiling( d, theme.getString( new String[] {
prefix + "_tile_button_background_" + name,
prefix + "_tile_button_background",
"tile_button_background_" + name,
"tile_button_background"
} ) );
b.setBackgroundDrawable( d );
}
button_container.addView( b );
}
// add to root
if( root != null ) {
root.addView( container );
}
return( container );
}
// this will return a new drawable scaled to the new size, so you don't have to mutable the source
public static Drawable resizeImage( Drawable d, int w, int h) {
Bitmap b;
if( d instanceof BitmapDrawable ) {
// I found that the resources are already bitmapdrawables so we can do this,
// I assume it it's not created from a bitmap like it's a shape or something
// then this won't work?
b = ((BitmapDrawable)d).getBitmap();
}else{
// this was the way more people said to do it, just render the drawable to a canvas
// backed by your dest bitmap. I assume if you're using a bitmapdrawable
// then this is slower than just pulling in the drawable backed bitmap
d.mutate(); // we change the setbounds() so lets not mess with the original
b = Bitmap.createBitmap( w, h, Config.ARGB_8888 );
Canvas c = new Canvas( b );
d.setBounds( 0, 0, w, h );
d.draw( c );
}
int width = b.getWidth();
int height = b.getHeight();
float scaleWidth = ((float) w) / width;
float scaleHeight = ((float) h) / height;
Matrix matrix = new Matrix();
matrix.postScale( scaleWidth, scaleHeight);
BitmapDrawable ret = new BitmapDrawable( Bitmap.createBitmap(b, 0, 0, width, height, matrix, true) );
// copy tile mode
if( d instanceof BitmapDrawable ) {
ret.setTileModeXY( ( (BitmapDrawable)d ).getTileModeX(), ( (BitmapDrawable)d ).getTileModeY() );
}
return ret;
}
/// NOTE: using any tile mode CLAMP seems to crash the emulator
// looking around online some people are saying it crashes their stuff
// too, don't know who's to blame but it seems like avoiding
// clamp is a good idea if you want compatibility
// tiling is specified as mode,mode for x/y tiling, or just mode to
// specify both x and y tiling
private static void applyTiling( Drawable d, String tilemode ) {
// check if they specify tiling, this will override tiling in an xml bitmap
// it's mostly here in case they want just one dimension of tiling instead of both
if( d instanceof BitmapDrawable ) {
BitmapDrawable bm = (BitmapDrawable)d;
// according to docs -1 is the disabled mode but doesn't exist as a constant
// so I'm hoping that setting it null acheives the same effect
Shader.TileMode[] tms = new Shader.TileMode[] { null, null };
if( tilemode != null ) {
String[] modes = new String[] { tilemode, tilemode };
if( tilemode.contains( "," ) ) {
modes = tilemode.split( "," );
}
for( int i = 0; i < 2; i++ ) {
String check = modes[ i ];
if( check.equals( "clamp" ) ) {
tms[ i ] = TileMode.CLAMP;
}else if( check.equals( "repeat" ) ) {
tms[ i ] = TileMode.REPEAT;
}else if( check.equals( "mirror" ) ) {
tms[ i ] = TileMode.MIRROR;
}else{
// clear tiling, e.g. disabled
tms[ i ] = null;
}
}
}
bm.setTileModeXY( tms[ 0 ], tms[ 1 ] );
}
}
}
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