add the eraser button

This commit is contained in:
tibbi 2017-08-29 16:23:07 +02:00
parent 3e46a557bc
commit 768b7ac6ab
3 changed files with 14 additions and 0 deletions

View File

@ -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) {

View File

@ -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

View File

@ -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"