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画笔绘制
放大缩小画布
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entry模块的build.gradle文件中,
dependencies {
implementation('com.gitee.chinasoft_ohos:DrawView:1.0.0')
在sdk6,DevEco Studio 2.2 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
将DrawView添加到布局中
<com.byox.drawview.views.DrawView
ohos:id="$+id:draw_view"
ohos:width="match_parent"
ohos:height="match_parent"
ohos:bottom_margin="80vp"
ohos:top_margin="60vp"
app:dv_draw_alpha="255"
app:dv_draw_anti_alias="true"
app:dv_draw_color="$color:thumColor"
app:dv_draw_corners="round"
app:dv_draw_dither="true"
app:dv_draw_enable_zoom="true"
app:dv_draw_font_family="default_font"
app:dv_draw_font_size="12"
app:dv_draw_max_zoom_factor="8"
app:dv_draw_mode="0"
app:dv_draw_style="2"
app:dv_draw_tool="0"
app:dv_draw_width="4"
app:dv_draw_zoomregion_maxscale="5"
app:dv_draw_zoomregion_minscale="2"
app:dv_draw_zoomregion_scale="4"
app:dv_draw_is_camera="true"/>
在Java代码中, 可以设置/更改一些DrawView的属性.
mDrawView.setDrawColor(newPaint.getColor().getValue()) //设置画布颜色
.setPaintStyle(newPaint.getStyle()) //定义视图的绘制样式
.setDrawWidth((int) newPaint.getStrokeWidth()) //设置画布宽度
.setDrawAlpha(newPaint.getAlpha()) //绘制颜色的透明度
.setAntiAlias(newPaint.isAntiAlias()) //使用抗锯齿值进行绘制
.setLineCap(newPaint.getStrokeCap()) //设置画笔类型
.setFontFamily(newPaint.getFont()) //用于绘制文本的字体系列
.setFontSize(newPaint.getTextSize()); //设置字体大小
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当前版本demo功能与原组件基本无差异
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.
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