# FreeDrawView **Repository Path**: chinasoft5_ohos/FreeDrawView ## Basic Information - **Project Name**: FreeDrawView - **Description**: 根据手势绘制图案，获取绘制的图片 - **Primary Language**: Java - **License**: Apache-2.0 - **Default Branch**: master - **Homepage**: None - **GVP Project**: No ## Statistics - **Stars**: 3 - **Forks**: 1 - **Created**: 2021-06-16 - **Last Updated**: 2024-05-29 ## Categories & Tags **Categories**: harmonyos-draw **Tags**: None ## README # FreeDrawView #### 项目介绍 - 项目名称：自定义画板 - 所属系列：openharmony的第三方组件适配移植 - 功能：根据手势绘制图案，获取绘制的图片 - 项目移植状态：主功能完成 - 调用差异：无 - 开发版本：sdk6，DevEco Studio2.2 Beta1 - 基线版本：Release1.1.2 #### 效果演示 ![输入图片说明](https://images.gitee.com/uploads/images/2021/0622/114342_261bdcba_962061.gif "FreeDrawView.gif") #### 安装教程 1.在项目根目录下的build.gradle文件中， ```gradle allprojects { repositories { maven { url 'https://s01.oss.sonatype.org/content/repositories/releases/' } } } ``` 2.在entry模块的build.gradle文件中， ```gradle dependencies { implementation('com.gitee.chinasoft_ohos:FreeDrawView:1.0.1') ...... } ``` 在sdk6，DevEco Studio2.2 Beta1下项目可直接运行 如无法运行，删除项目.gradle,.idea,build,gradle,build.gradle文件， 并依据自己的版本创建新项目，将新项目的对应文件复制到根目录下 #### 使用说明 使用该库非常简单，只需查看提供的示例的源代码。 在布局文件中加入控件,代码实例如下 ```xml ``` java 文件中使用 ```java public class AbilityDrawSlice extends AbilitySlice { FreeDrawView mSignatureView; @Override public void onStart(Intent intent) { super.onStart(intent); super.setUIContent(ResourceTable.Layout_Ability_draw); ((AbilityDraw) getAbility()).setAbilityCall(this); mSignatureView = (FreeDrawView) findComponentById(ResourceTable.Id_free_draw_view); // Setup the View mSignatureView.setPaintColor(Color.BLACK); mSignatureView.setPaintWidthPx(12); mSignatureView.setPaintWidthDp(6); mSignatureView.setPaintAlpha(255);// from 0 to 255 mSignatureView.setResizeBehaviour(ResizeBehaviour.CROP);// Must be one of ResizeBehaviour // values; // This listener will be notified every time the path done and undone count changes mSignatureView.setPathRedoUndoCountChangeListener(new PathRedoUndoCountChangeListener() { @Override public void onUndoCountChanged(int undoCount) { // The undoCount is the number of the paths that can be undone } @Override public void onRedoCountChanged(int redoCount) { // The redoCount is the number of path removed that can be redrawn } }); // This listener will be notified every time a new path has been drawn mSignatureView.setOnPathDrawnListener(new PathDrawnListener() { @Override public void onNewPathDrawn() { // The user has finished drawing a path } @Override public void onPathStart() { // The user has started drawing a path } }); // This will take a screenshot of the current drawn content of the view mSignatureView.getDrawScreenshot(new FreeDrawView.DrawCreatorListener() { @Override public void onDrawCreated(Bitmap draw) { // The draw Bitmap is the drawn content of the View } @Override public void onDrawCreationError() { // Something went wrong creating the bitmap, should never // happen unless the async task has been canceled } }); } @Override public void onSaveAbilityState(PacMap outState) { mFreeDrawView.onSaveAbilityState(outState); } @Override public void onRestoreAbilityState(PacMap inState) { setBackgroundColor(mSideView, mFreeDrawView.getPaintColor()); mFreeDrawView.onRestoreAbilityState(inState); } } ``` ##### 自定义属性 ------ | XML Attribute | Java method | Description | Default value | |------------------------- |----------------------------------------------------------------- |----------------------------------------------------------------------------------------------------------------- |--------------------------------------------------------------------------------------------- | | paintColor | setPaintColor(@ColorInt int checked) | Set the color of the paint | Color.BLACK | | paintWidth | setPaintWidthPx(@FloatRange(from = 0) float widthPx) | Set the width of the paint in pixels | 4dp | | | setPaintWidthDp(float dp) | Set the width of the paint in dp | 4dp | | paintAlpha | setPaintAlpha(@IntRange(from = 0, to = 255) int alpha) | Set the alpha of the paint | 255 | | resizeBehaviour | setResizeBehaviour(ResizeBehaviour newBehaviour) | The behaviour of the view every time it is resized (on rotation for example) one of [clear, fitXY, crop] | ResizeBehaviour.CROP | ##### 公共方法 * `public void undoLast()` 撤回上一条 * `public void redoLast()` 恢复上一条 * `public void undoAll()` 撤回所有 * `public void redoAll()` 恢复所有 * `public void clearHistory()` 清除历史看记录 * `public void clearDraw()` 清除所有绘制 * `public void clearDrawAndHistory()` 清除所有绘制和历史记录 * `public int getPathCount(boolean includeCurrentlyDrawingPath)` 获取绘制的数量 * `setOnPathDrawnListener(PathDrawnListener listener)` 设置监听 * `setPathRedoUndoCountChangeListener(PathRedoUndoCountChangeListener listener)` 设置监听 * `removePathDrawnListener()` 移除监听 * `removePathRedoUndoCountChangeListener()` 移除监听 #### 测试信息 CodeCheck代码测试无异常 CloudTest代码测试无异常 病毒安全检测通过 当前版本demo功能与原组件基本无差异 #### 版本迭代 - 1.0.1 - 1.0.0 - 0.0.1-SNAPSHOT #### 版权和许可信息 Copyright 2017 Riccardo Moro. Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.