Android Open Source - pixel-art Eraser






From Project

Back to project page pixel-art.

License

The source code is released under:

Apache License

If you think the Android project pixel-art listed in this page is inappropriate, such as containing malicious code/tools or violating the copyright, please email info at java2s dot com, thanks.

Java Source Code

package com.jaween.pixelart.tools;
//from  w w  w  . j  a  va  2s . c o  m
import android.graphics.Bitmap;
import android.graphics.PointF;
import android.graphics.PorterDuff;
import android.graphics.PorterDuffXfermode;
import android.graphics.drawable.Drawable;

import com.jaween.pixelart.tools.attributes.EraserToolAttributes;
import com.jaween.pixelart.tools.attributes.ToolAttributes;

/**
 * Created by ween on 9/28/14.
 */
public class Eraser extends Tool {

    private static final int TOOL_ID = 1;
    private PointF start = new PointF();

    public Eraser(String name, Drawable icon) {
        super(name, icon, TOOL_ID);
        toolAttributes = new EraserToolAttributes();

        // Needed to erase (draws transparent lines)
        toolAttributes.getPaint().setXfermode(new PorterDuffXfermode(PorterDuff.Mode.CLEAR));
    }

    @Override
    protected void onStart(Bitmap bitmap, PointF event) {
        start.x = event.x;
        start.y = event.y;

        draw(bitmap, event);
    }

    @Override
    protected void onMove(Bitmap bitmap, PointF event) {
        draw(bitmap, event);
    }

    @Override
    protected void onEnd(Bitmap bitmap, PointF event) {
        draw(bitmap, event);
    }

    private void draw(Bitmap bitmap, PointF event) {
        toolReport.getPath().lineTo(event.x, event.y);
        canvas.setBitmap(bitmap);

        // Work around for drawing individual pixels, which Canvas.drawPath() doesn't do well
        if (((EraserToolAttributes) toolAttributes).getThicknessLevel() == ToolAttributes.MIN_THICKNESS) {
            canvas.drawPoint(start.x, start.y, toolAttributes.getPaint());
            canvas.drawPath(toolReport.getPath(), toolAttributes.getPaint());
        } else if (start.x == event.x && start.y == event.y) {
            canvas.drawPoint(start.x, start.y, toolAttributes.getPaint());
        } else {
            // Regular drawing
            canvas.drawPath(toolReport.getPath(), toolAttributes.getPaint());
        }
    }
}




Java Source Code List

com.jaween.pixelart.ContainerActivity.java
com.jaween.pixelart.ContainerFragment.java
com.jaween.pixelart.PanelManagerFragment.java
com.jaween.pixelart.io.AnimationFile.java
com.jaween.pixelart.io.FileAdapter.java
com.jaween.pixelart.io.ImportExport.java
com.jaween.pixelart.io.LoadFileDialog.java
com.jaween.pixelart.tools.Command.java
com.jaween.pixelart.tools.Dropper.java
com.jaween.pixelart.tools.Eraser.java
com.jaween.pixelart.tools.FloodFill.java
com.jaween.pixelart.tools.FreeSelect.java
com.jaween.pixelart.tools.MagicWand.java
com.jaween.pixelart.tools.Oval.java
com.jaween.pixelart.tools.Pen.java
com.jaween.pixelart.tools.RectSelect.java
com.jaween.pixelart.tools.Rect.java
com.jaween.pixelart.tools.Selection.java
com.jaween.pixelart.tools.ToolReport.java
com.jaween.pixelart.tools.Tool.java
com.jaween.pixelart.tools.attributes.EraserToolAttributes.java
com.jaween.pixelart.tools.attributes.MagicWandToolAttributes.java
com.jaween.pixelart.tools.attributes.OvalToolAttributes.java
com.jaween.pixelart.tools.attributes.PenToolAttributes.java
com.jaween.pixelart.tools.attributes.RectToolAttributes.java
com.jaween.pixelart.tools.attributes.ToolAttributes.java
com.jaween.pixelart.tools.options.EraserOptionsView.java
com.jaween.pixelart.tools.options.MagicWandOptionsView.java
com.jaween.pixelart.tools.options.OvalOptionsView.java
com.jaween.pixelart.tools.options.PenOptionsView.java
com.jaween.pixelart.tools.options.RectOptionsView.java
com.jaween.pixelart.tools.options.ToolOptionsView.java
com.jaween.pixelart.ui.ColourButton.java
com.jaween.pixelart.ui.ColourSelector.java
com.jaween.pixelart.ui.DrawingFragment.java
com.jaween.pixelart.ui.DrawingSurface.java
com.jaween.pixelart.ui.PaletteFragment.java
com.jaween.pixelart.ui.PanelFragment.java
com.jaween.pixelart.ui.PixelGrid.java
com.jaween.pixelart.ui.Thumbnail.java
com.jaween.pixelart.ui.ToolButton.java
com.jaween.pixelart.ui.ToolboxFragment.java
com.jaween.pixelart.ui.TransparencyCheckerboard.java
com.jaween.pixelart.ui.animation.AnimationFragment.java
com.jaween.pixelart.ui.animation.FrameAdapter.java
com.jaween.pixelart.ui.animation.Frame.java
com.jaween.pixelart.ui.colourpicker.ColourPickerDialog.java
com.jaween.pixelart.ui.colourpicker.ColourPickerFragment.java
com.jaween.pixelart.ui.colourpicker.ColourPickerView.java
com.jaween.pixelart.ui.layer.LayerAdapter.java
com.jaween.pixelart.ui.layer.LayerFragment.java
com.jaween.pixelart.ui.layer.Layer.java
com.jaween.pixelart.ui.undo.DrawOpManager.java
com.jaween.pixelart.ui.undo.DrawOpUndoData.java
com.jaween.pixelart.ui.undo.FrameUndoData.java
com.jaween.pixelart.ui.undo.LayerUndoData.java
com.jaween.pixelart.ui.undo.UndoItem.java
com.jaween.pixelart.ui.undo.UndoManager.java
com.jaween.pixelart.util.AbsVerticalSeekBar.java
com.jaween.pixelart.util.AnimatedGifEncoder.java
com.jaween.pixelart.util.AutoSaver.java
com.jaween.pixelart.util.BitmapEncoder.java
com.jaween.pixelart.util.Color.java
com.jaween.pixelart.util.ConfigChangeFragment.java
com.jaween.pixelart.util.Debug.java
com.jaween.pixelart.util.MarchingAnts.java
com.jaween.pixelart.util.PreferenceManager.java
com.jaween.pixelart.util.ScaleListener.java
com.jaween.pixelart.util.SlideAnimator.java
com.jaween.pixelart.util.SlidingLinearLayout.java
com.jaween.pixelart.util.VerticalProgressBar.java
com.tokaracamara.android.verticalslidevar.VerticalSeekBar.java