# ImageMerge

**Repository Path**: zhoulikai/ImageMerge

## Basic Information

- **Project Name**: ImageMerge
- **Description**: 图片合成库，应用于根据后台配置模板生成各种营销海报
- **Primary Language**: Android
- **License**: Not specified
- **Default Branch**: master
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 1
- **Forks**: 0
- **Created**: 2019-06-25
- **Last Updated**: 2020-12-29

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README

# ImageMerge

#### 介绍
图片合成库，应用于根据后台配置模板生成各种营销海报

#### 软件架构
- imageLib为图片合成Module
- app为图片合成案例


#### 运行

1. ./gradlew clean
2. ./gradlew assembleDebug
3. adb install -r app/build/outputs/apk/debug/app-debug.apk

#### 使用说明

- 创建所需要的不同类型的元素对象
```
ImageElement imageElement = new ImageElement(imgUrl,
                true, imgLeft, imgTop,
                imgWidth, imgHeight, ImageElement.IMG_LOAD_TYPE_GLIDE, isWidthStandard);
boolean imageResult = imageElement.generateElement();
```
```
TextElement textElement = new TextElement(text,
                fontSize, fontColor, textLeft, textTop,
                0, textWidth, true, isBoldFont);
boolean textResult = textElement.generateElement();
```
```
QRCodeImageElement qrCodeImageElement = new QRCodeImageElement("", qrCodeUrl,
                qrIconBitMap, true,
                qrCodeLeft, qrCodeTop, qrCodeWidth, qrCodeHeight);
boolean qrCodeResult = qrCodeImageElement.generateElement();
```
```
AvatarElement avatarElement = new AvatarElement(headBitMap, avater, true,
                avatarX, avatarY,
                avatarWidth, avatarHeight, true);
boolean avatarResult = avatarElement.generateElement();
```
- 遍历将元素绘制到画布上去
```
 /**
     * 根据图片上Element合成图片
     *
     * @param sourceBitmapWidth
     * @param sourceBitmapHeight
     * @param imageElements
     * @return
     */
    private Bitmap mergeImageElement(int sourceBitmapWidth, int sourceBitmapHeight,
                                     List<IMergeImageElement> imageElements) {
        if (sourceBitmapHeight <= 0 || sourceBitmapWidth <= 0) {
            return null;
        }
        if (imageElements == null || imageElements.isEmpty()) {
            return null;
        }
        Bitmap shareBitmap = Bitmap.createBitmap(sourceBitmapWidth, sourceBitmapHeight, Bitmap.Config.ARGB_8888);
        Canvas canvas = new Canvas(shareBitmap);
        canvas.drawColor(Color.WHITE);
        for (IMergeImageElement mergeImageElement : imageElements) {
            if (mergeImageElement != null) {
                boolean result = mergeImageElement.mergeImage(canvas);
                if (!result) {
                    return null;
                }
            }
        }
        return shareBitmap;
    }
```