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draw note as default cover

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This commit is contained in:
Adrian Ulrich 2017-05-10 21:46:37 +02:00
parent e3888d8b02
commit e0b0232621
2 changed files with 26 additions and 32 deletions
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50
src/ch/blinkenlights/android/vanilla/CoverBitmap.java
View File

@ -28,7 +28,6 @@ import android.content.res.TypedArray;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.LinearGradient;
import android.graphics.Paint;
import android.graphics.PorterDuff;
import android.graphics.PorterDuffColorFilter;
@ -335,7 +334,7 @@ public final class CoverBitmap {
}
/**
* Generate the default cover (a rendition of a CD). Returns a square iamge.
* Generate the default cover (a rendition of a music note). Returns a square iamge.
* Both dimensions are the lesser of width and height.
*
* @param width The max width
@ -345,43 +344,38 @@ public final class CoverBitmap {
public static Bitmap generateDefaultCover(Context context, int width, int height)
{
int size = Math.min(width, height);
int halfSize = size / 2;
int eightSize = size / 8;
int[] colors = ThemeHelper.getDefaultCoverColors(context);
int rgb_background = colors[0];
int rgb_gardient_begin = colors[1];
int rgb_gardient_end = colors[2];
int rgb_center = colors[3];
int rgb_note_inner = colors[1];
final int line_thickness = size / 10;
final int line_vertical = line_thickness*5;
final int line_horizontal = line_thickness*3;
final int circle_radius = line_thickness*2;
final int total_len_x = circle_radius*2 + line_horizontal - line_thickness; // total length of x axis
final int total_len_y = circle_radius + line_vertical + (line_thickness/2); // total length of y axis
final int xoff = circle_radius + (size - total_len_x)/2; // 'center offset' of x
final int yoff = size - circle_radius - (size - total_len_y)/2; // 'center offset' of y
Bitmap bitmap = Bitmap.createBitmap(size, size, Bitmap.Config.ARGB_8888);
bitmap.eraseColor(rgb_background);
LinearGradient gradient = new LinearGradient(size, 0, 0, size, rgb_gardient_begin, rgb_gardient_end, Shader.TileMode.CLAMP);
RectF oval = new RectF(eightSize, 0, size - eightSize, size);
Paint paint = new Paint();
paint.setAntiAlias(true);
paint.setColor(rgb_note_inner);
Canvas canvas = new Canvas(bitmap);
canvas.rotate(-45, halfSize, halfSize);
paint.setShader(gradient);
canvas.translate(size / 20, size / 20);
canvas.scale(0.9f, 0.9f);
canvas.drawOval(oval, paint);
paint.setShader(null);
paint.setColor(rgb_center);
canvas.translate(size / 3, size / 3);
canvas.scale(0.333f, 0.333f);
canvas.drawOval(oval, paint);
paint.setShader(null);
paint.setColor(rgb_background);
canvas.translate(size / 3, size / 3);
canvas.scale(0.333f, 0.333f);
canvas.drawOval(oval, paint);
// main circle
canvas.drawCircle(xoff, yoff, circle_radius, paint);
// vertical line
int lpos = xoff + circle_radius - line_thickness; // lpos + thickness will touch the outer right edge of the circle
int tpos = yoff - line_vertical; // tpos + vertical will be the center of the circle
canvas.drawRoundRect(new RectF(lpos, tpos, lpos+line_thickness, yoff), 0, 0, paint);
// horizontal line
int hdiff = tpos - (line_thickness/2); // shift this up by half of the thickness to have the circle radius touch the top of the vertical line
canvas.drawRoundRect(new RectF(lpos, hdiff, lpos+line_horizontal, hdiff+line_thickness), line_thickness, line_thickness, paint);
return bitmap;
}

8
src/ch/blinkenlights/android/vanilla/ThemeHelper.java
View File

@ -111,10 +111,10 @@ public class ThemeHelper {
* is a big mess
*/
final public static int[] getDefaultCoverColors(Context context) {
int[] colors_holo_yolo = { 0xff000000, 0xff606060, 0xff404040, 0x88000000 };
int[] colors_material_light = { 0xffeeeeee, 0xffd6d7d7, 0xffd6d7d7, 0x55ffffff };
int[] colors_material_dark = { 0xff303030, 0xff606060, 0xff404040, 0x33ffffff };
int[] colors_marshmallow_light = { 0xfffafafa, 0xffd6d7d7, 0xffd6d7d7, 0x55ffffff };
int[] colors_holo_yolo = { 0xff000000, 0xff404040 };
int[] colors_material_light = { 0xffeeeeee, 0xffd6d7d7 };
int[] colors_material_dark = { 0xff303030, 0xff404040 };
int[] colors_marshmallow_light = { 0xfffafafa, 0xffd6d7d7 };
int[] colors_marshmallow_dark = colors_material_dark;
if (usesHoloTheme()) // pre material device
return colors_holo_yolo;