allow customizing the editor drawing color

app/src/main/kotlin/com/simplemobiletools/gallery/pro/activities/EditActivity.kt

@@ -24,6 +24,7 @@ import com.bumptech.glide.load.engine.GlideException
 import com.bumptech.glide.request.RequestListener
 import com.bumptech.glide.request.RequestOptions
 import com.bumptech.glide.request.target.Target
+import com.simplemobiletools.commons.dialogs.ColorPickerDialog
 import com.simplemobiletools.commons.extensions.*
 import com.simplemobiletools.commons.helpers.OTG_PATH
 import com.simplemobiletools.commons.helpers.PERMISSION_WRITE_STORAGE
@@ -46,6 +47,7 @@ import kotlinx.android.synthetic.main.activity_edit.*
 import kotlinx.android.synthetic.main.bottom_actions_aspect_ratio.*
 import kotlinx.android.synthetic.main.bottom_editor_actions_filter.*
 import kotlinx.android.synthetic.main.bottom_editor_crop_rotate_actions.*
+import kotlinx.android.synthetic.main.bottom_editor_draw_actions.*
 import kotlinx.android.synthetic.main.bottom_editor_primary_actions.*
 import java.io.*
 
@@ -73,6 +75,7 @@ class EditActivity : SimpleActivity(), CropImageView.OnCropImageCompleteListener
     private lateinit var saveUri: Uri
     private var resizeWidth = 0
     private var resizeHeight = 0
+    private var drawColor = 0
     private var lastOtherAspectRatio: Pair<Int, Int>? = null
     private var currPrimaryAction = PRIMARY_ACTION_NONE
     private var currCropRotateAction = CROP_ROTATE_NONE
@@ -312,6 +315,7 @@ class EditActivity : SimpleActivity(), CropImageView.OnCropImageCompleteListener
         setupPrimaryActionButtons()
         setupCropRotateActionButtons()
         setupAspectRatioButtons()
+        setupDrawButtons()
     }
 
     private fun setupPrimaryActionButtons() {
@@ -416,6 +420,17 @@ class EditActivity : SimpleActivity(), CropImageView.OnCropImageCompleteListener
         updateAspectRatioButtons()
     }
 
+    private fun setupDrawButtons() {
+        updateDrawColor(config.lastEditorDrawColor)
+        bottom_draw_color.setOnClickListener {
+            ColorPickerDialog(this, drawColor) { wasPositivePressed, color ->
+                if (wasPositivePressed) {
+                    updateDrawColor(color)
+                }
+            }
+        }
+    }
+
     private fun updatePrimaryActionButtons() {
         if (crop_image_view.isGone() && currPrimaryAction == PRIMARY_ACTION_CROP_ROTATE) {
             loadCropImageView()
@@ -439,6 +454,7 @@ class EditActivity : SimpleActivity(), CropImageView.OnCropImageCompleteListener
         currentPrimaryActionButton?.applyColorFilter(config.primaryColor)
         bottom_editor_filter_actions.beVisibleIf(currPrimaryAction == PRIMARY_ACTION_FILTER)
         bottom_editor_crop_rotate_actions.beVisibleIf(currPrimaryAction == PRIMARY_ACTION_CROP_ROTATE)
+        bottom_editor_draw_actions.beVisibleIf(currPrimaryAction == PRIMARY_ACTION_DRAW)
 
         if (currPrimaryAction == PRIMARY_ACTION_FILTER && bottom_actions_filter_list.adapter == null) {
             Thread {
@@ -541,6 +557,13 @@ class EditActivity : SimpleActivity(), CropImageView.OnCropImageCompleteListener
         primaryActionView?.applyColorFilter(config.primaryColor)
     }
 
+    private fun updateDrawColor(color: Int) {
+        drawColor = color
+        bottom_draw_color.applyColorFilter(color)
+        config.lastEditorDrawColor = color
+        editor_draw_canvas.updateColor(color)
+    }
+
     private fun resizeImage() {
         val point = getAreaSize()
         if (point == null) {

app/src/main/kotlin/com/simplemobiletools/gallery/pro/helpers/Config.kt

@@ -453,4 +453,8 @@ class Config(context: Context) : BaseConfig(context) {
     var allowOneToOneZoom: Boolean
         get() = prefs.getBoolean(ALLOW_ONE_TO_ONE_ZOOM, false)
         set(allowOneToOneZoom) = prefs.edit().putBoolean(ALLOW_ONE_TO_ONE_ZOOM, allowOneToOneZoom).apply()
+
+    var lastEditorDrawColor: Int
+        get() = prefs.getInt(LAST_EDITOR_DRAW_COLOR, primaryColor)
+        set(lastEditorDrawColor) = prefs.edit().putInt(LAST_EDITOR_DRAW_COLOR, lastEditorDrawColor).apply()
 }

app/src/main/kotlin/com/simplemobiletools/gallery/pro/helpers/Constants.kt

@@ -76,6 +76,7 @@ const val LAST_EDITOR_CROP_OTHER_ASPECT_RATIO_Y = "last_editor_crop_other_aspect
 const val GROUP_DIRECT_SUBFOLDERS = "group_direct_subfolders"
 const val SHOW_WIDGET_FOLDER_NAME = "show_widget_folder_name"
 const val ALLOW_ONE_TO_ONE_ZOOM = "allow_one_to_one_zoom"
+const val LAST_EDITOR_DRAW_COLOR = "last_editor_draw_color"
 
 // slideshow
 const val SLIDESHOW_INTERVAL = "slideshow_interval"

app/src/main/kotlin/com/simplemobiletools/gallery/pro/views/EditorDrawCanvas.kt

@@ -119,6 +119,10 @@ class EditorDrawCanvas(context: Context, attrs: AttributeSet) : View(context, at
         mPaint.strokeWidth = paintOptions.strokeWidth
     }
 
+    fun updateColor(newColor: Int) {
+        mPaintOptions.color = newColor
+    }
+
     fun updateBackgroundBitmap(bitmap: Bitmap) {
         backgroundBitmap = bitmap
         invalidate()

app/src/main/res/layout/activity_edit.xml

@@ -63,6 +63,14 @@
         android:layout_above="@+id/bottom_editor_primary_actions"
         android:visibility="gone"/>
 
+    <include
+        android:id="@+id/bottom_editor_draw_actions"
+        layout="@layout/bottom_editor_draw_actions"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_above="@+id/bottom_editor_primary_actions"
+        android:visibility="gone"/>
+
     <include
         android:id="@+id/bottom_editor_primary_actions"
         layout="@layout/bottom_editor_primary_actions"/>

app/src/main/res/layout/bottom_editor_draw_actions.xml

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:id="@+id/bottom_editor_draw_actions_wrapper"
+    android:layout_width="match_parent"
+    android:layout_height="@dimen/bottom_actions_height"
+    android:layout_alignParentBottom="true">
+
+    <ImageView
+        android:id="@+id/bottom_draw_color"
+        android:layout_width="@dimen/bottom_editor_color_picker_size"
+        android:layout_height="@dimen/bottom_editor_color_picker_size"
+        android:layout_marginEnd="@dimen/activity_margin"
+        android:background="?attr/selectableItemBackgroundBorderless"
+        android:padding="@dimen/small_margin"
+        android:src="@drawable/circle_background"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintTop_toTopOf="parent"/>
+
+</androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/values/dimens.xml

@@ -12,6 +12,7 @@
     <dimen name="instant_change_bar_width">50dp</dimen>
     <dimen name="list_view_folder_thumbnail_size">72dp</dimen>
     <dimen name="bottom_actions_height">64dp</dimen>
+    <dimen name="bottom_editor_color_picker_size">48dp</dimen>
     <dimen name="bottom_filters_thumbnail_size">76dp</dimen>
     <dimen name="bottom_filters_height">90dp</dimen>
     <dimen name="bottom_editor_actions_shadow_height">180dp</dimen>