java;gutter:false;
/*<em>
* 图片组合
</em>/
@Slf4j
public class ComposeImageUtil {</p>
<pre><code>/**
* 合成商品链接
*
* @param composeGoodsImageCmd
* @param oSSUtil
* @return
*/
public static String handleComposeGoodsImage(ComposeGoodsImageCmd composeGoodsImageCmd, OSSUtil oSSUtil) {
//图片上传路径
String keyName = composeGoodsImageCmd.getKeyName();
//合成图宽高
Long imgWidth = composeGoodsImageCmd.getImgWidth();
Long imgHigh = composeGoodsImageCmd.getImgHigh();
//修正规则
String amendmentRules = composeGoodsImageCmd.getAmendmentRules();
//主商品有效面积（英文逗号隔开）
String effectiveArea = composeGoodsImageCmd.getEffectiveArea();
//主商品中心点坐标（x_y,x_y,x_y）
String centralPoint = composeGoodsImageCmd.getCentralPoint();
//主商品合成顺序（英文逗号隔开）
String order = composeGoodsImageCmd.getOrder();
//前置商品数
Integer frontGoodsNum = composeGoodsImageCmd.getFrontGoodsNum() == null ? 0 : composeGoodsImageCmd.getFrontGoodsNum();
List collocationGoodsBaseList = composeGoodsImageCmd.getCollocationGoodsBaseDTOList();
if (
ObjectUtils.isEmpty(imgWidth) || imgWidth < 1 ||
ObjectUtils.isEmpty(imgHigh) || imgHigh < 1 ||
StringUtils.isBlank(amendmentRules) || StringUtils.isBlank(effectiveArea) ||
StringUtils.isBlank(centralPoint) || StringUtils.isBlank(order) ||
ObjectUtils.isEmpty(collocationGoodsBaseList) || StringUtils.isBlank(keyName)
) {
log.error("handleComposeGoodsImage attribute is null. imgWidth ={},imgHigh ={},amendmentRules ={},EffectiveArea ={},CentralPoint ={},Order ={},collocationGoodsBaseList size={}",
imgWidth, imgHigh, amendmentRules, effectiveArea, centralPoint, order, collocationGoodsBaseList.size());
return null;
}
//修正规则
Map> aidaCollocateAmendmentRuleMap = JSONObject.parseObject(amendmentRules, HashMap.class);
//主商品有效面积转换
String[] EffectiveAreaStr = effectiveArea.split(",");
long[] EffectiveAreaArray = new long[EffectiveAreaStr.length];
for (int EffectiveAreaindex = 0; EffectiveAreaindex < EffectiveAreaStr.length; EffectiveAreaindex++) {
EffectiveAreaArray[EffectiveAreaindex] = Integer.parseInt(EffectiveAreaStr[EffectiveAreaindex]);
}
//主商品中心点坐标（x_y,x_y,x_y）转换
String[] CentralPointStr = centralPoint.split(",");
int[][] CentralPointArray = new int[CentralPointStr.length][2];
for (int CentralPointindex = 0; CentralPointindex < CentralPointStr.length; CentralPointindex++) {
String[] point = CentralPointStr[CentralPointindex].split("_");
CentralPointArray[CentralPointindex] = new int[]{Integer.parseInt(point[0]), Integer.parseInt(point[1])};
}
//组合顺序转换
String[] orderStr = order.split(",");
int[] orderArray = new int[orderStr.length];
for (int Orderindex = 0; Orderindex < orderStr.length; Orderindex++) {
orderArray[Orderindex] = Integer.parseInt(orderStr[Orderindex]);
}
if (
collocationGoodsBaseList.size() != EffectiveAreaArray.length ||
collocationGoodsBaseList.size() != CentralPointArray.length || collocationGoodsBaseList.size() != orderArray.length
) {
log.error("handleComposeGoodsImage data Num fail. collocationGoodsBaseList size={},EffectiveAreaArray size ={},aidaCollocateAmendmentRuleMap size ={},CentralPointArray size ={},orderArray size={}",
collocationGoodsBaseList.size(), EffectiveAreaArray.length, aidaCollocateAmendmentRuleMap.size(), CentralPointArray.length, orderArray.length);
//素材数量不足退出
return null;
}
//时间统计
StopWatch clock = new StopWatch();
clock.start(" amendmentRulesList = aidaCollocateAmendmentRuleMap.get(position);
position = position - frontGoodsNum;
clock.start(" imageUrlMap = new HashMap<>();
imageUrlMap.put(AidaCompositeConstant.AIDACOMPOSE_LAYERORDER_0, stickImgOrderCmd.getBackGroundUrl());
imageUrlMap.put(AidaCompositeConstant.AIDACOMPOSE_LAYERORDER_1, stickImgOrderCmd.getGoodsImageMasterUrl());
imageUrlMap.put(AidaCompositeConstant.AIDACOMPOSE_LAYERORDER_2, stickImgOrderCmd.getGoodsImageSlaveUrl());
//合成图片
BufferedImage bufferedImage = ComposeImageUtil.createPng(width.intValue(), heigh.intValue());
for (Byte layer : layerOrderArray) {
String imageUrl = imageUrlMap.get(layer);
if (StringUtils.isNotBlank(imageUrl)) {
try {
stickImg(bufferedImage, ImgUtil.read(new URL(imageUrl)), 0, 0);
} catch (Exception e) {
}
}
}
return bufferedImage;
}
/**
* 贴按顺序贴图返回组装对象
*
* @param stickImgOrderCmd 配饰参数
*/
public static List stickImgOrderToJson(StickImgOrderCmd stickImgOrderCmd) {
if (ObjectUtils.isEmpty(stickImgOrderCmd)) {
return null;
}
Long width = stickImgOrderCmd.getWidth();
Long heigh = stickImgOrderCmd.getHeigh();
//贴图顺序
Byte[] layerOrderArray = {0, 1, 2};
if (StringUtils.isNotBlank(stickImgOrderCmd.getLayerOrder())) {
String[] layerOrderSplit = stickImgOrderCmd.getLayerOrder().split(",");
layerOrderArray = new Byte[layerOrderSplit.length];
for (int layerOrderIndex = 0; layerOrderIndex < layerOrderSplit.length; layerOrderIndex++) {
layerOrderArray[layerOrderIndex] = Byte.parseByte(layerOrderSplit[layerOrderIndex]);
}
}
//图片的图片地址
Map imageUrlMap = new HashMap<>();
imageUrlMap.put(AidaCompositeConstant.AIDACOMPOSE_LAYERORDER_0, stickImgOrderCmd.getBackGroundUrl());
imageUrlMap.put(AidaCompositeConstant.AIDACOMPOSE_LAYERORDER_1, stickImgOrderCmd.getGoodsImageMasterUrl());
imageUrlMap.put(AidaCompositeConstant.AIDACOMPOSE_LAYERORDER_2, stickImgOrderCmd.getGoodsImageSlaveUrl());
//合成图片
//中心点坐标x
Long centerPointX = width / 2;
//中心点坐标y
Long centerPointY = heigh / 2;
//数据组装
List coordinateList = new ArrayList<>();
for (int layerOrder = 0; layerOrder < layerOrderArray.length; layerOrder++) {
Byte layer = layerOrderArray[layerOrder];
String imageUrl = imageUrlMap.get(layer);
if (StringUtils.isNotBlank(imageUrl)) {
ComposeImageCoordinateDTO composeImageCoordinate = new ComposeImageCoordinateDTO();
composeImageCoordinate.setWidth(width);
composeImageCoordinate.setHeigh(heigh);
composeImageCoordinate.setCenterPointX(centerPointX.intValue());
composeImageCoordinate.setCenterPointY(centerPointY.intValue());
composeImageCoordinate.setImageUrl(OSSUrlUtil.specifyWidthAndHeight(imageUrl, width.intValue(), heigh.intValue()));
composeImageCoordinate.setLayer(layerOrder);
coordinateList.add(composeImageCoordinate);
}
}
return coordinateList;
}
/**
* 创建透明图
*
* @param width
* @param height
* @return
*/
public static BufferedImage createPng(int width, int height) {
// 创建BufferedImage对象
BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
// 获取Graphics2D
Graphics2D g2d = image.createGraphics();
// ---------- 背景透明开始 -----------------
image = g2d.getDeviceConfiguration().createCompatibleImage(width, height, Transparency.TRANSLUCENT);
g2d.dispose();
// ---------- 背景透明代码结束 -----------------
return image;
}
/**
* 计算转换后目标矩形的宽高
*
* @param width
* @param height
* @param angle 角度
* @return 目标矩形
*/
private static int[] calcRotatedSize(int width, int height, int angle) {
if (angle == 0 || angle % 360 == 0) {
return new int[]{width, height};
}
double cos = Math.abs(Math.cos(Math.toRadians(angle)));
double sin = Math.abs(Math.sin(Math.toRadians(angle)));
int des_width = (int) (width * cos) + (int) (height * sin);
int des_height = (int) (height * cos) + (int) (width * sin);
return new int[]{des_width, des_height};
}
/**
* 贴图片
*
* @param srcImage 底图
* @param pressImg 贴图
* @param x 坐标x（必填）
* @param y 坐标y（必填）
*/
public static void stickImg(BufferedImage srcImage, BufferedImage pressImg, int x, int y) {
if (ObjectUtils.isEmpty(srcImage) || ObjectUtils.isEmpty(pressImg)) {
return;
}
//将图片放到指定位置
Graphics2D graphics2D = srcImage.createGraphics();
graphics2D.drawImage(pressImg, x, y, null);
graphics2D.dispose();
}
/**
* 贴文字
*
* @param srcImage 底图
* @param color 颜色
* @param font 字体
* @param text 文本
* @param x 坐标x（必填）
* @param y 坐标y（必填）
*/
public static void stickText(BufferedImage srcImage, Color color, Font font, String text, int x, int y) {
if (ObjectUtils.isEmpty(srcImage) || ObjectUtils.isEmpty(font) || StringUtils.isBlank(text)) {
return;
}
// 创建画笔
Graphics2D graphics2D = srcImage.createGraphics();
// 设置画笔颜色为白色
// pen.setColor(Color.WHITE);
graphics2D.setColor(color);
// 设置画笔字体样式为微软雅黑，斜体，文字大小为20px
graphics2D.setFont(font);
// 写上水印文字和坐标
graphics2D.drawString(text, x, y);
graphics2D.dispose();
}
</code></pre>
<p>}
Original: https://www.cnblogs.com/zxf330301/p/16409482.html
Author: 随风而逝,只是飘零
Title: javacv 图片合成
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