diff options
Diffstat (limited to 'org.fox.ttrss/src/main/java/com/amulyakhare/textdrawable/TextDrawable.java')
| -rw-r--r-- | org.fox.ttrss/src/main/java/com/amulyakhare/textdrawable/TextDrawable.java | 316 |
1 files changed, 316 insertions, 0 deletions
diff --git a/org.fox.ttrss/src/main/java/com/amulyakhare/textdrawable/TextDrawable.java b/org.fox.ttrss/src/main/java/com/amulyakhare/textdrawable/TextDrawable.java new file mode 100644 index 00000000..db42f8b7 --- /dev/null +++ b/org.fox.ttrss/src/main/java/com/amulyakhare/textdrawable/TextDrawable.java @@ -0,0 +1,316 @@ +package com.amulyakhare.textdrawable; + +import android.graphics.*; +import android.graphics.drawable.ShapeDrawable; +import android.graphics.drawable.shapes.OvalShape; +import android.graphics.drawable.shapes.RectShape; +import android.graphics.drawable.shapes.RoundRectShape; + +/** + * @author amulya + * @datetime 14 Oct 2014, 3:53 PM + */ +public class TextDrawable extends ShapeDrawable { + + private final Paint textPaint; + private final Paint borderPaint; + private static final float SHADE_FACTOR = 0.9f; + private final String text; + private final int color; + private final RectShape shape; + private final int height; + private final int width; + private final int fontSize; + private final float radius; + private final int borderThickness; + + private TextDrawable(Builder builder) { + super(builder.shape); + + // shape properties + shape = builder.shape; + height = builder.height; + width = builder.width; + radius = builder.radius; + + // text and color + text = builder.toUpperCase ? builder.text.toUpperCase() : builder.text; + color = builder.color; + + // text paint settings + fontSize = builder.fontSize; + textPaint = new Paint(); + textPaint.setColor(builder.textColor); + textPaint.setAntiAlias(true); + textPaint.setFakeBoldText(builder.isBold); + textPaint.setStyle(Paint.Style.FILL); + textPaint.setTypeface(builder.font); + textPaint.setTextAlign(Paint.Align.CENTER); + textPaint.setStrokeWidth(builder.borderThickness); + + // border paint settings + borderThickness = builder.borderThickness; + borderPaint = new Paint(); + borderPaint.setColor(getDarkerShade(color)); + borderPaint.setStyle(Paint.Style.STROKE); + borderPaint.setStrokeWidth(borderThickness); + + // drawable paint color + Paint paint = getPaint(); + paint.setColor(color); + + } + + private int getDarkerShade(int color) { + return Color.rgb((int)(SHADE_FACTOR * Color.red(color)), + (int)(SHADE_FACTOR * Color.green(color)), + (int)(SHADE_FACTOR * Color.blue(color))); + } + + @Override + public void draw(Canvas canvas) { + super.draw(canvas); + Rect r = getBounds(); + + + // draw border + if (borderThickness > 0) { + drawBorder(canvas); + } + + int count = canvas.save(); + canvas.translate(r.left, r.top); + + // draw text + int width = this.width < 0 ? r.width() : this.width; + int height = this.height < 0 ? r.height() : this.height; + int fontSize = this.fontSize < 0 ? (Math.min(width, height) / 2) : this.fontSize; + textPaint.setTextSize(fontSize); + canvas.drawText(text, width / 2, height / 2 - ((textPaint.descent() + textPaint.ascent()) / 2), textPaint); + + canvas.restoreToCount(count); + + } + + private void drawBorder(Canvas canvas) { + RectF rect = new RectF(getBounds()); + rect.inset(borderThickness/2, borderThickness/2); + + if (shape instanceof OvalShape) { + canvas.drawOval(rect, borderPaint); + } + else if (shape instanceof RoundRectShape) { + canvas.drawRoundRect(rect, radius, radius, borderPaint); + } + else { + canvas.drawRect(rect, borderPaint); + } + } + + @Override + public void setAlpha(int alpha) { + textPaint.setAlpha(alpha); + } + + @Override + public void setColorFilter(ColorFilter cf) { + textPaint.setColorFilter(cf); + } + + @Override + public int getOpacity() { + return PixelFormat.TRANSLUCENT; + } + + @Override + public int getIntrinsicWidth() { + return width; + } + + @Override + public int getIntrinsicHeight() { + return height; + } + + public static IShapeBuilder builder() { + return new Builder(); + } + + public static class Builder implements IConfigBuilder, IShapeBuilder, IBuilder { + + private String text; + + private int color; + + private int borderThickness; + + private int width; + + private int height; + + private Typeface font; + + private RectShape shape; + + public int textColor; + + private int fontSize; + + private boolean isBold; + + private boolean toUpperCase; + + public float radius; + + private Builder() { + text = ""; + color = Color.GRAY; + textColor = Color.WHITE; + borderThickness = 0; + width = -1; + height = -1; + shape = new RectShape(); + font = Typeface.create("sans-serif-light", Typeface.NORMAL); + fontSize = -1; + isBold = false; + toUpperCase = false; + } + + public IConfigBuilder width(int width) { + this.width = width; + return this; + } + + public IConfigBuilder height(int height) { + this.height = height; + return this; + } + + public IConfigBuilder textColor(int color) { + this.textColor = color; + return this; + } + + public IConfigBuilder withBorder(int thickness) { + this.borderThickness = thickness; + return this; + } + + public IConfigBuilder useFont(Typeface font) { + this.font = font; + return this; + } + + public IConfigBuilder fontSize(int size) { + this.fontSize = size; + return this; + } + + public IConfigBuilder bold() { + this.isBold = true; + return this; + } + + public IConfigBuilder toUpperCase() { + this.toUpperCase = true; + return this; + } + + @Override + public IConfigBuilder beginConfig() { + return this; + } + + @Override + public IShapeBuilder endConfig() { + return this; + } + + @Override + public IBuilder rect() { + this.shape = new RectShape(); + return this; + } + + @Override + public IBuilder round() { + this.shape = new OvalShape(); + return this; + } + + @Override + public IBuilder roundRect(int radius) { + this.radius = radius; + float[] radii = {radius, radius, radius, radius, radius, radius, radius, radius}; + this.shape = new RoundRectShape(radii, null, null); + return this; + } + + @Override + public TextDrawable buildRect(String text, int color) { + rect(); + return build(text, color); + } + + @Override + public TextDrawable buildRoundRect(String text, int color, int radius) { + roundRect(radius); + return build(text, color); + } + + @Override + public TextDrawable buildRound(String text, int color) { + round(); + return build(text, color); + } + + @Override + public TextDrawable build(String text, int color) { + this.color = color; + this.text = text; + return new TextDrawable(this); + } + } + + public interface IConfigBuilder { + public IConfigBuilder width(int width); + + public IConfigBuilder height(int height); + + public IConfigBuilder textColor(int color); + + public IConfigBuilder withBorder(int thickness); + + public IConfigBuilder useFont(Typeface font); + + public IConfigBuilder fontSize(int size); + + public IConfigBuilder bold(); + + public IConfigBuilder toUpperCase(); + + public IShapeBuilder endConfig(); + } + + public static interface IBuilder { + + public TextDrawable build(String text, int color); + } + + public static interface IShapeBuilder { + + public IConfigBuilder beginConfig(); + + public IBuilder rect(); + + public IBuilder round(); + + public IBuilder roundRect(int radius); + + public TextDrawable buildRect(String text, int color); + + public TextDrawable buildRoundRect(String text, int color, int radius); + + public TextDrawable buildRound(String text, int color); + } +}
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