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CHINASOFT3_OHOS / ContourView

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README
Apache-2.0

ContourView

项目介绍

  • 项目名称:ContourView自定义 View:用贝塞尔曲线绘制酷炫轮廓背景
  • 所属系列:openharmony的第三方组件适配移植
  • 功能:自定义 View:用贝塞尔曲线绘制酷炫轮廓背景
  • 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:Release 1.0.1

效果演示

screen1

安装教程

1.在项目根目录下的build.gradle文件中,

allprojects {
   repositories {
       maven {
            url 'https://s01.oss.sonatype.org/content/repositories/releases/'
       }
   }
}

2.在app模块的build.gradle文件中,

dependencies {
   implementation('com.gitee.chinasoft_ohos:contourView:1.0.0')
   ......  
}

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。 创建视图ContourView

 <com.ocnyang.contourview.ContourView
            ohos:height="match_parent"
            ohos:width="match_parent"
            app:contour_style="Sand"
            app:shader_mode="Radial"
            app:shader_startcolor="$color:startcolor"
            app:shader_endcolor="$color:endcolor"
            app:shader_style="Left_To_Bottom"
            />

java 中使用

private void initCustomContourView() {
        ContourView contourViewCustom = (ContourView) findComponentById(ResourceTable.Id_contourview_custom);
        int width = getWidth();
        int hight = 700;
        int[] ints = {width / 2, 50, ((int) (width * 0.75)), hight / 2, ((int) (width * 0.35)), 350};
        int[] intArr = new int[]{width / 5, hight / 3, width / 4 * 3, hight / 2, width / 2, ((int) (hight * 0.9)), width / 5, ((int) (hight * 0.8))};
        contourViewCustom.setPoints(ints, intArr);
        try {
            contourViewCustom.setShaderStartColor(new Color(getResourceManager().getElement(ResourceTable.Color_startcolor).getColor()));
            contourViewCustom.setShaderEndColor(new Color(getResourceManager().getElement(ResourceTable.Color_endcolor).getColor()));
        } catch (Exception e) {
        }
        contourViewCustom.setShaderMode(ContourView.SHADER_MODE_RADIAL);
    }

属性设置

(xml)属性名称 说明 值类型
contour_style 内置轮廓样式 Beach,Ripples,Clouds,Sand,Shell
smoothness 轮廓弯曲系数(没有必要的情况下,不建议设置) Float类型 范围:0--1,建议范围:0.15--0.3,默认:0.25
shader_mode 轮廓内颜色的填充方式 Radial,Sweep,Linear,不设置默认纯色填充
shader_startcolor 填充起始颜色 color类型,半透明效果,设置类似#90FF0000的值(默认白色,需设置shader_mode 才有效果)
shader_endcolor 填充结束颜色 同上
shader_style 填充起始点及方向的控制 LeftToBottom(左上角到右下角),RightToBottom(右上角到左下角),TopToBottom(上中点到下中点),Center(中点到右下角)
shader_color 填充纯色颜色 color类型,默认白色,不设置shader_mode时,可以通过此属性设置纯色填充颜色

动态属性

以上的(xml)属性都有对应的设置方法。 此外,还有一些可以动态设置的属性。

轮廓锚点坐标集

public void setPoints(List<Point[]> pointsList)
//List<> 表示轮廓的个数,Point[] 表示具体某个轮廓的坐标集,每个轮廓至少4个锚点。
方法参数 说明
setPoints(int... pts) 单个轮廓,int[]{锚点1.x,锚点1.y,锚点2.x,锚点2.y......锚点n.x,锚点y}
setPoints(Point[]... pointsArr) 单个轮廓
setPoints(Point... points) 多个轮廓
setPoints(int[]... ptsArr) 多个轮廓

Shader 自定义轮廓绘制方式

public void setShader(Shader... shader)
//Shader:传入自己自定义RadialGradient,SweepGradient,LinearGradient。
//当传入多个Shader时,给多个轮廓设置不同的绘制方式,Shader[0]填充轮廓1,Shader[1]填充轮廓2...

Step2. 在布局文件中使用,也可以设置相应的自定义属性

<com.ocnyang.contourview.ContourView
    ohos:layout_width="match_parent"
    ohos:layout_height="400dp"
    app:contour_style="Ripples"
    app:shader_endcolor="@color/endcolor"
    app:shader_mode="RadialGradient"
    app:shader_startcolor="@color/startcolor"
    app:shader_style="Center"
    app:smoothness="0.2"/>

根据自己的需要来设置属性。

Step3. 如果需要自定义自己独特的轮廓,可以在代码中动态设置以下内容

/**
 * Customize the coordinates of the anchor to control the area to be drawn。
 */
private void initCustomContourView() {
    ContourView contourViewCustom = (ContourView) findViewById(R.id.contourview_custom);
    int width = getWidth();//获取屏幕的宽度
    int hight = 400;
    int[] ints = {width / 2, 0, width, hight / 2, width / 2, hight, 0, hight / 2};
    int[] intArr = new int[]{width / 2, hight / 4, width / 4 * 3, hight / 2, width / 2, hight / 4 * 3, width / 4, hight / 2};
    contourViewCustom.setPoints(ints, intArr);
    contourViewCustom.setShaderStartColor(getResources().getColor(R.color.startcolor));
    contourViewCustom.setShaderEndColor(getResources().getColor(R.color.endcolor));
    contourViewCustom.setShaderMode(ContourView.SHADER_MODE_RADIAL);
}

/**
 * Controls the color of the drawing.
 */
private void initBeachContourView() {
    ContourView contourViewBeach = ((ContourView) findViewById(R.id.contourview_beach));

    RadialGradient radialGradient = new RadialGradient(0, 0,4000,
            getResources().getColor(R.color.startcolor),
            getResources().getColor(R.color.endcolor),
            Shader.TileMode.CLAMP);
    LinearGradient linearGradient = new LinearGradient(0, 0, getWidth(), 400,
            Color.argb(30, 255, 255, 255), Color.argb(90, 255, 255, 255),
            Shader.TileMode.REPEAT);
    contourViewBeach.setShader(radialGradient, linearGradient);
}

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

  • 0.0.1-SNAPSHOT

版权和许可信息

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用贝塞尔曲线绘制酷炫轮廓背景 展开 收起
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Apache-2.0
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