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Move placeholder cover code to CoverBitmap

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This commit is contained in:
Adrian Ulrich 2016-02-02 14:03:49 +01:00
parent f49d5fd1ad
commit a6b4997195
2 changed files with 42 additions and 48 deletions
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41
src/ch/blinkenlights/android/vanilla/CoverBitmap.java
View File

@ -24,6 +24,7 @@ package ch.blinkenlights.android.vanilla;
import android.content.Context;
import android.content.res.Resources;
import android.content.res.TypedArray;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
@ -384,4 +385,44 @@ public final class CoverBitmap {
return bitmap;
}
/**
* Draws a placeholder cover from given title string
*
* @param title A text string to use in the cover
* @return bitmap The drawn bitmap
*/
public static Bitmap generatePlaceholderCover(Context context, int width, int height, String title)
{
if (title == null || width < 1 || height < 1)
return null;
final float textSize = width * 0.4f;
title = title.replaceFirst("(?i)^The ", ""); // 'The\s' shall not be a part of the string we are drawing.
String subText = (title+" ").substring(0,2);
Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.RGB_565);
Canvas canvas = new Canvas(bitmap);
Paint paint = new Paint();
// Picks a semi-random color from tiles_colors.xml
TypedArray colors = context.getResources().obtainTypedArray(R.array.letter_tile_colors);
int color = colors.getColor(Math.abs(title.hashCode()) % colors.length(), 0);
colors.recycle();
paint.setColor(color);
paint.setStyle(Paint.Style.FILL);
canvas.drawPaint(paint);
paint.setARGB(255, 255, 255, 255);
paint.setAntiAlias(true);
paint.setTextSize(textSize);
Rect bounds = new Rect();
paint.getTextBounds(subText, 0, subText.length(), bounds);
canvas.drawText(subText, (width/2f)-bounds.exactCenterX(), (height/2f)-bounds.exactCenterY(), paint);
return bitmap;
}
}

49
src/ch/blinkenlights/android/vanilla/LazyCoverView.java
View File

@ -18,18 +18,13 @@
package ch.blinkenlights.android.vanilla;
import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.drawable.Drawable;
import android.graphics.drawable.TransitionDrawable;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.Paint;
import android.graphics.Rect;
import android.os.Handler;
import android.os.HandlerThread;
import android.os.Looper;
import android.os.Message;
import android.util.AttributeSet;
import android.util.LruCache;
@ -151,7 +146,7 @@ public class LazyCoverView extends ImageView
bitmap = song.getSmallCover(mContext);
}
} else {
bitmap = drawCoverFromString(payload.title);
bitmap = CoverBitmap.generatePlaceholderCover(mContext, CoverCache.SIZE_SMALL, CoverCache.SIZE_SMALL, payload.title);
}
if (bitmap == null) {
// item has no cover: return a failback
@ -216,48 +211,6 @@ public class LazyCoverView extends ImageView
return cacheHit;
}
/**
* Draws a placeholder cover from given title string
*
* @param title A text string to use in the cover
* @return bitmap The drawn bitmap
*/
private Bitmap drawCoverFromString(String title) {
if (title == null)
return null;
final int canvasSize = CoverCache.SIZE_SMALL;
final float textSize = canvasSize * 0.45f;
title = title.replaceFirst("(?i)^The ", ""); // 'The\s' shall not be a part of the string we are drawing.
String subText = (title+" ").substring(0,2);
Bitmap bitmap = Bitmap.createBitmap(canvasSize, canvasSize, Bitmap.Config.RGB_565);
Canvas canvas = new Canvas(bitmap);
Paint paint = new Paint();
// Picks a semi-random color from tiles_colors.xml
TypedArray colors = getResources().obtainTypedArray(R.array.letter_tile_colors);
int color = colors.getColor(Math.abs(title.hashCode()) % colors.length(), 0);
colors.recycle();
paint.setColor(color);
paint.setStyle(Paint.Style.FILL);
canvas.drawPaint(paint);
paint.setARGB(255, 255, 255, 255);
paint.setAntiAlias(true);
paint.setTextSize(textSize);
Rect bounds = new Rect();
paint.getTextBounds(subText, 0, subText.length(), bounds);
canvas.drawText(subText, (canvasSize/2f)-bounds.exactCenterX(), (canvasSize/2f)-bounds.exactCenterY(), paint);
return bitmap;
}
/**
* A LRU cache implementation, using the CoverKey as key to store Bitmap objects
*