<gallery>优化裁剪功能：更新颜色拾取逻辑、同步工具栏图标、调整布局文件

- 添加信息按钮和对话框，显示画布、颜色、裁剪信息
- 显示裁剪结果预览图和拾取坐标
- 松开手指时重置拾取按钮状态

gallery/build.gradle

@@ -109,7 +109,7 @@ dependencies {
 	*/
 	// WinBoLL库 nexus.winboll.cc 地址
 	api 'cc.winboll.studio:libaes:15.15.9'
-    api 'cc.winboll.studio:libappbase:15.15.20'
+    api 'cc.winboll.studio:libappbase:15.15.21'
 	
 	// WinBoLL备用库 jitpack.io 地址
 	//api 'com.github.ZhanGSKen:AES:aes-v15.15.7'

gallery/build.properties

@@ -1,8 +1,8 @@
 #Created by .winboll/winboll_app_build.gradle
-#Tue Apr 28 10:57:44 HKT 2026
+#Tue Apr 28 19:41:44 CST 2026
-stageCount=8
+stageCount=10
 libraryProject=
 baseVersion=15.0
-publishVersion=15.0.7
+publishVersion=15.0.9
-buildCount=0
+buildCount=11
-baseBetaVersion=15.0.8
+baseBetaVersion=15.0.10

gallery/src/main/java/cc/winboll/studio/gallery/CropActivity.java

@@ -3,15 +3,24 @@ package cc.winboll.studio.gallery;
 import android.graphics.Bitmap;
 import android.graphics.BitmapFactory;
 import android.graphics.RectF;
+import android.graphics.drawable.GradientDrawable;
 import android.net.Uri;
 import android.os.Bundle;
+import android.content.DialogInterface;
 import android.content.Intent;
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+import android.graphics.RectF;
+import android.net.Uri;
+import android.os.Bundle;
 import android.provider.MediaStore;
 import android.view.View;
 import android.widget.ImageView;
 import android.widget.ScrollView;
 import android.widget.SeekBar;
+import android.widget.TextView;
 import android.widget.Toast;
+import androidx.appcompat.app.AlertDialog;
 import androidx.appcompat.app.AppCompatActivity;
 import cc.winboll.studio.libappbase.LogUtils;
 import java.io.File;
@@ -78,6 +87,13 @@ public class CropActivity extends AppCompatActivity {
             }
         });
         
+        findViewById(R.id.btn_info).setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                showCropInfoDialog();
+            }
+        });
+        
         zoomContainer = findViewById(R.id.zoom_container);
         
         SeekBar seekBarZoom = findViewById(R.id.seekbar_zoom);
@@ -98,6 +114,39 @@ public class CropActivity extends AppCompatActivity {
         });
         
         cropCanvasView = findViewById(R.id.crop_canvas_view);
+        
+        final View colorView = findViewById(R.id.color_view);
+        final GradientDrawable colorDrawable = (GradientDrawable) colorView.getBackground();
+        cropCanvasView.setOnBackgroundColorChangedListener(new CropCanvasView.OnBackgroundColorChangedListener() {
+            @Override
+            public void onBackgroundColorChanged(int color) {
+                colorDrawable.setColor(color);
+            }
+        });
+        
+        cropCanvasView.setOnColorPickedListener(new CropCanvasView.OnColorPickedListener() {
+            @Override
+            public void onColorPicked(int color) {
+                int pickX = cropCanvasView.getLastPickImageX();
+                int pickY = cropCanvasView.getLastPickImageY();
+                colorDrawable.setColor(color);
+                Toast.makeText(CropActivity.this, 
+                    "颜色已拾取: #" + String.format("%06X", color & 0xFFFFFF) + 
+                    " (" + pickX + "," + pickY + ")", 
+                    Toast.LENGTH_SHORT).show();
+            }
+        });
+        
+        cropCanvasView.setOnColorPickEndListener(new CropCanvasView.OnColorPickEndListener() {
+            @Override
+            public void onColorPickEnd() {
+                cropCanvasView.setColorPickMode(false);
+                btnColorPick.setAlpha(1.0f);
+            }
+        });
+        
+        colorDrawable.setColor(cropCanvasView.getBackgroundColor());
+        
         loadImage();
     }
     
@@ -206,6 +255,67 @@ public class CropActivity extends AppCompatActivity {
         }
     }
     
+    private void showCropInfoDialog() {
+        StringBuilder info = new StringBuilder();
+        info.append("=== 画布信息 ===\n");
+        info.append("画布宽度: ").append(cropCanvasView.getCanvasWidth()).append("px\n");
+        info.append("画布高度: ").append(cropCanvasView.getCanvasHeight()).append("px\n");
+        
+        info.append("\n=== 拾取颜色 ===\n");
+        int bgColor = cropCanvasView.getBackgroundColor();
+        info.append("背景颜色: #").append(String.format("%06X", bgColor & 0xFFFFFF)).append("\n");
+        info.append("拾取坐标: ").append(cropCanvasView.getLastPickImageX()).append(",")
+            .append(cropCanvasView.getLastPickImageY()).append("\n");
+        
+        info.append("\n=== 裁剪结果 ===\n");
+        RectF cropRect = cropCanvasView.getCropRect();
+        if (cropRect != null) {
+            info.append("裁剪区域: ").append((int)cropRect.left).append(",")
+                .append((int)cropRect.top).append(",")
+                .append((int)cropRect.right).append(",")
+                .append((int)cropRect.bottom).append("\n");
+            info.append("裁剪宽度: ").append((int)cropRect.width()).append("px\n");
+            info.append("裁剪高度: ").append((int)cropRect.height()).append("px\n");
+        }
+        
+        Bitmap canvasBitmap = cropCanvasView.getCanvasBitmap();
+        final Bitmap[] previewHolder = new Bitmap[1];
+        if (canvasBitmap != null && !canvasBitmap.isRecycled() && cropRect != null) {
+            int bmpX = Math.max(0, (int) cropRect.left);
+            int bmpY = Math.max(0, (int) cropRect.top);
+            int bmpW = Math.min((int) cropRect.width(), canvasBitmap.getWidth() - bmpX);
+            int bmpH = Math.min((int) cropRect.height(), canvasBitmap.getHeight() - bmpY);
+            if (bmpW > 0 && bmpH > 0) {
+                previewHolder[0] = Bitmap.createBitmap(canvasBitmap, bmpX, bmpY, bmpW, bmpH);
+            }
+        }
+        
+        final Bitmap previewBitmap = previewHolder[0];
+        
+        View dialogView = getLayoutInflater().inflate(R.layout.dialog_crop_info, null);
+        TextView infoText = dialogView.findViewById(R.id.info_text);
+        ImageView previewImage = dialogView.findViewById(R.id.preview_image);
+        infoText.setText(info.toString());
+        if (previewBitmap != null) {
+            previewImage.setImageBitmap(previewBitmap);
+        }
+        
+        AlertDialog dialog = new AlertDialog.Builder(this)
+            .setTitle("裁剪信息")
+            .setView(dialogView)
+            .setPositiveButton("确定", null)
+            .create();
+        dialog.setOnDismissListener(new DialogInterface.OnDismissListener() {
+            @Override
+            public void onDismiss(DialogInterface dialog) {
+                if (previewBitmap != null && !previewBitmap.isRecycled()) {
+                    previewBitmap.recycle();
+                }
+            }
+        });
+        dialog.show();
+    }
+    
     @Override
     protected void onDestroy() {
         super.onDestroy();

gallery/src/main/java/cc/winboll/studio/gallery/CropCanvasView.java

@@ -12,6 +12,33 @@ import android.view.MotionEvent;
 import android.view.View;
 
 public class CropCanvasView extends View {
+    public interface OnBackgroundColorChangedListener {
+        void onBackgroundColorChanged(int color);
+    }
+    
+    public interface OnColorPickedListener {
+        void onColorPicked(int color);
+    }
+    
+    public interface OnColorPickEndListener {
+        void onColorPickEnd();
+    }
+    
+    private OnBackgroundColorChangedListener backgroundColorChangedListener;
+    private OnColorPickedListener colorPickedListener;
+    private OnColorPickEndListener colorPickEndListener;
+    
+    public void setOnBackgroundColorChangedListener(OnBackgroundColorChangedListener listener) {
+        this.backgroundColorChangedListener = listener;
+    }
+    
+    public void setOnColorPickedListener(OnColorPickedListener listener) {
+        this.colorPickedListener = listener;
+    }
+    
+    public void setOnColorPickEndListener(OnColorPickEndListener listener) {
+        this.colorPickEndListener = listener;
+    }
     private Paint imagePaint;
     private Paint borderPaint;
     private Paint cornerPaint;
@@ -39,11 +66,16 @@ public class CropCanvasView extends View {
     private RectF imageBounds = new RectF();
     private RectF canvasBounds = new RectF();
     private Bitmap originalBitmap;
+    private Bitmap canvasBitmap;
+    private float bitmapScale = 1.0f;
     private Bitmap displayBitmap;
     private RectF initialSpanRect;
     private float initialSpan;
     private int backgroundColor = Color.BLUE;
     private boolean colorPickMode = false;
+    private int previewColor = 0;
+    private float lastPickX = 0;
+    private float lastPickY = 0;
     private float pickX, pickY;
     
     private float displayScale = 1.0f;
@@ -239,6 +271,9 @@ public class CropCanvasView extends View {
     
     public void setBackgroundColor(int color) {
         this.backgroundColor = color;
+        if (backgroundColorChangedListener != null) {
+            backgroundColorChangedListener.onBackgroundColorChanged(color);
+        }
         invalidate();
     }
     
@@ -246,6 +281,40 @@ public class CropCanvasView extends View {
         return backgroundColor;
     }
     
+    public int getPreviewColor() {
+        return previewColor;
+    }
+    
+    public float getLastPickX() {
+        return lastPickX;
+    }
+    
+    public float getLastPickY() {
+        return lastPickY;
+    }
+    
+    public int getLastPickImageX() {
+        if (originalBitmap == null || originalBitmap.isRecycled()) {
+            return 0;
+        }
+        float imgX = screenToImageX(lastPickX);
+        float imgY = screenToImageY(lastPickY);
+        int bmpX = (int) ((imgX - imageBounds.left) * displayBitmapScale);
+        int bmpY = (int) ((imgY - imageBounds.top) * displayBitmapScale);
+        return Math.max(0, Math.min(bmpX, originalBitmap.getWidth() - 1));
+    }
+    
+    public int getLastPickImageY() {
+        if (originalBitmap == null || originalBitmap.isRecycled()) {
+            return 0;
+        }
+        float imgX = screenToImageX(lastPickX);
+        float imgY = screenToImageY(lastPickY);
+        int bmpX = (int) ((imgX - imageBounds.left) * displayBitmapScale);
+        int bmpY = (int) ((imgY - imageBounds.top) * displayBitmapScale);
+        return Math.max(0, Math.min(bmpY, originalBitmap.getHeight() - 1));
+    }
+    
     public void setColorPickMode(boolean enable) {
         this.colorPickMode = enable;
         if (enable) {
@@ -447,11 +516,46 @@ public class CropCanvasView extends View {
         }
         
         if (colorPickMode) {
-            if (event.getAction() == MotionEvent.ACTION_DOWN) {
+            if (event.getAction() == MotionEvent.ACTION_DOWN || event.getAction() == MotionEvent.ACTION_MOVE) {
-                pickX = x;
+                if (originalBitmap != null && !originalBitmap.isRecycled()) {
-                pickY = y;
+                    float imgX = screenToImageX(x);
-                int color = getColorAt(x, y);
+                    float imgY = screenToImageY(y);
-                setBackgroundColor(color);
+                    if (imageBounds.contains(imgX, imgY)) {
+                        previewColor = getImageColorAt(x, y);
+                    } else if (canvasBounds.contains(x, y)) {
+                        previewColor = backgroundColor;
+                    } else {
+                        previewColor = Color.TRANSPARENT;
+                    }
+                    lastPickX = x;
+                    lastPickY = y;
+                    if (backgroundColorChangedListener != null) {
+                        backgroundColorChangedListener.onBackgroundColorChanged(previewColor);
+                    }
+                }
+                return true;
+            }
+            if (event.getAction() == MotionEvent.ACTION_UP) {
+                if (canvasBounds.contains(x, y)) {
+                    int pickedColor;
+                    float imgX = screenToImageX(x);
+                    float imgY = screenToImageY(y);
+                    if (imageBounds.contains(imgX, imgY)) {
+                        int colorAtPoint = getImageColorAt(x, y);
+                        pickedColor = colorAtPoint;
+                        backgroundColor = colorAtPoint;
+                    } else {
+                        pickedColor = backgroundColor;
+                    }
+                    if (colorPickedListener != null) {
+                        colorPickedListener.onColorPicked(pickedColor);
+                    }
+                }
+                if (colorPickEndListener != null) {
+                    colorPickEndListener.onColorPickEnd();
+                }
+                previewColor = 0;
+                invalidate();
                 return true;
             }
             return true;

gallery/src/main/res/drawable/bg_color_circle.xml

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="oval">
+    <solid android:color="@android:color/transparent"/>
+    <stroke android:width="2dp" android:color="@android:color/white"/>
+    <size android:width="32dp" android:height="32dp"/>
+</shape>

gallery/src/main/res/drawable/bg_color_circle_border.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="oval">
+    <stroke android:width="2dp" android:color="@android:color/white"/>
+    <size android:width="36dp" android:height="36dp"/>
+</shape>

gallery/src/main/res/drawable/bg_dialog.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+    <solid android:color="@android:color/black"/>
+    <stroke android:width="2dp" android:color="@android:color/white"/>
+</shape>

gallery/src/main/res/layout/activity_crop.xml

@@ -21,6 +21,22 @@
             android:src="@drawable/ic_close"
             android:background="?attr/selectableItemBackgroundBorderless"/>
 
+        <FrameLayout
+            android:id="@+id/color_icon_container"
+            android:layout_width="40dp"
+            android:layout_height="40dp"
+            android:layout_marginStart="8dp"
+            android:background="@android:color/transparent">
+
+            <View
+                android:id="@+id/color_view"
+                android:layout_width="32dp"
+                android:layout_height="32dp"
+                android:layout_gravity="center"
+                android:background="@drawable/bg_color_circle"/>
+
+        </FrameLayout>
+
         <ImageView
             android:id="@+id/btn_color_pick"
             android:layout_width="48dp"
@@ -34,6 +50,14 @@
             android:layout_height="0dp"
             android:layout_weight="1"/>
 
+        <ImageView
+            android:id="@+id/btn_info"
+            android:layout_width="48dp"
+            android:layout_height="48dp"
+            android:padding="12dp"
+            android:src="@drawable/ic_info"
+            android:background="?attr/selectableItemBackgroundBorderless"/>
+
         <ImageView
             android:id="@+id/btn_done"
             android:layout_width="48dp"

gallery/src/main/res/layout/dialog_crop_info.xml

@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:orientation="vertical"
+    android:padding="16dp"
+    android:background="@drawable/bg_dialog">
+
+    <TextView
+        android:id="@+id/info_text"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:textSize="14sp"
+        android:fontFamily="monospace"
+        android:textColor="@android:color/white"/>
+
+    <ImageView
+        android:id="@+id/preview_image"
+        android:layout_width="match_parent"
+        android:layout_height="200dp"
+        android:layout_marginTop="16dp"
+        android:scaleType="fitCenter"
+        android:background="@android:color/black"/>
+
+</LinearLayout>

gallery/src/main/res/layout/item_color_icon.xml

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="40dp"
+    android:layout_height="40dp">
+
+    <View
+        android:id="@+id/color_view"
+        android:layout_width="32dp"
+        android:layout_height="32dp"
+        android:layout_gravity="center"
+        android:background="@drawable/bg_color_circle"/>
+
+    <View
+        android:layout_width="36dp"
+        android:layout_height="36dp"
+        android:layout_gravity="center"
+        android:background="@drawable/bg_color_circle_border"/>
+
+</FrameLayout>