From 768b7ac6abb81727e771db566712fc1e4da25010 Mon Sep 17 00:00:00 2001
From: tibbi <tibor@kaputa.sk>
Date: Tue, 29 Aug 2017 16:23:07 +0200
Subject: [PATCH] add the eraser button

---
 .../main/kotlin/com/simplemobiletools/draw/MyCanvas.kt    | 4 ++++
 .../com/simplemobiletools/draw/activities/MainActivity.kt | 2 ++
 app/src/main/res/layout/activity_main.xml                 | 8 ++++++++
 3 files changed, 14 insertions(+)

diff --git a/app/src/main/kotlin/com/simplemobiletools/draw/MyCanvas.kt b/app/src/main/kotlin/com/simplemobiletools/draw/MyCanvas.kt
index 06b2fb3..800d47e 100644
--- a/app/src/main/kotlin/com/simplemobiletools/draw/MyCanvas.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/draw/MyCanvas.kt
@@ -59,6 +59,10 @@ class MyCanvas(context: Context, attrs: AttributeSet) : View(context, attrs) {
         invalidate()
     }
 
+    fun toggleEraser() {
+
+    }
+
     fun setColor(newColor: Int) {
         mPaintOptions.color = newColor
         if (mIsStrokeWidthBarEnabled) {
diff --git a/app/src/main/kotlin/com/simplemobiletools/draw/activities/MainActivity.kt b/app/src/main/kotlin/com/simplemobiletools/draw/activities/MainActivity.kt
index 8543be5..1b45ef0 100644
--- a/app/src/main/kotlin/com/simplemobiletools/draw/activities/MainActivity.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/draw/activities/MainActivity.kt
@@ -60,6 +60,7 @@ class MainActivity : SimpleActivity(), MyCanvas.PathsChangedListener {
 
         color_picker.setOnClickListener { pickColor() }
         undo.setOnClickListener { my_canvas.undo() }
+        eraser.setOnClickListener { my_canvas.toggleEraser() }
         storeStoragePaths()
 
         if (intent?.action == Intent.ACTION_VIEW && intent.data != null) {
@@ -230,6 +231,7 @@ class MainActivity : SimpleActivity(), MyCanvas.PathsChangedListener {
 
     fun setBackgroundColor(pickedColor: Int) {
         undo.setColorFilter(pickedColor.getContrastColor(), PorterDuff.Mode.SRC_IN)
+        eraser.setColorFilter(pickedColor.getContrastColor(), PorterDuff.Mode.SRC_IN)
         my_canvas.setBackgroundColor(pickedColor)
         my_canvas.mBackgroundBitmap = null
         suggestedFileExtension = PNG
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index ae68c0c..d21f7fe 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -11,6 +11,14 @@
         android:layout_height="match_parent"
         android:background="@android:color/white"/>
 
+    <ImageView
+        android:id="@+id/eraser"
+        android:layout_width="@dimen/normal_icon_size"
+        android:layout_height="@dimen/normal_icon_size"
+        android:layout_toLeftOf="@+id/color_picker"
+        android:padding="@dimen/normal_margin"
+        android:src="@drawable/ic_eraser"/>
+
     <ImageView
         android:id="@+id/color_picker"
         android:layout_width="@dimen/normal_icon_size"