完成生成靶子数据图片的头部

2025-11-14 11:59:21 +08:00
parent 7871544f01
commit 0745c4ba9f
2 changed files with 275 additions and 9 deletions
--- a/src/util.js
+++ b/src/util.js
@@ -81,11 +81,152 @@ export function renderLine(ctx, from) {
  ctx.stroke();
 }

-export function renderText(ctx, text, size, color, x, y, textAlign = "left") {
+export function renderText(
+  ctx,
+  text,
+  size,
+  color,
+  x,
+  y,
+  textAlign = "left",
+  rotateDeg = 0
+) {
  ctx.setFontSize(size);
  ctx.setFillStyle(color);
  ctx.setTextAlign(textAlign);
-  ctx.fillText(text, x, y);
+  if (rotateDeg) {
+    ctx.save();
+    ctx.translate(x, y);
+    ctx.rotate((Math.PI / 180) * rotateDeg);
+    ctx.fillText(text, 0, 0);
+    ctx.restore();
+  } else {
+    ctx.fillText(text, x, y);
+  }
+}
+
+// 绘制圆角矩形（可选填充和描边）
+export function drawRoundedRect(
+  ctx,
+  x,
+  y,
+  width,
+  height,
+  radius,
+  fillColor = "#fff",
+  strokeColor = null,
+  lineWidth = 1
+) {
+  const r = Math.max(Math.min(radius, Math.min(width, height) / 2), 0);
+  // 当圆角为 0 时，避免使用 arcTo 导致平台差异，直接绘制普通矩形
+  if (r === 0) {
+    ctx.beginPath();
+    if (typeof ctx.rect === "function") {
+      ctx.rect(x, y, width, height);
+    } else {
+      ctx.moveTo(x, y);
+      ctx.lineTo(x + width, y);
+      ctx.lineTo(x + width, y + height);
+      ctx.lineTo(x, y + height);
+      ctx.lineTo(x, y);
+    }
+    if (fillColor) {
+      if (typeof ctx.setFillStyle === "function") {
+        ctx.setFillStyle(fillColor);
+      } else {
+        ctx.fillStyle = fillColor;
+      }
+      ctx.fill();
+    }
+    if (strokeColor) {
+      if (typeof ctx.setLineWidth === "function") {
+        ctx.setLineWidth(lineWidth);
+      } else {
+        ctx.lineWidth = lineWidth;
+      }
+      if (typeof ctx.setStrokeStyle === "function") {
+        ctx.setStrokeStyle(strokeColor);
+      } else {
+        ctx.strokeStyle = strokeColor;
+      }
+      ctx.stroke();
+    }
+    return;
+  }
+  ctx.beginPath();
+  ctx.moveTo(x + r, y);
+  // 顶边到右上角
+  ctx.lineTo(x + width - r, y);
+  ctx.quadraticCurveTo(x + width, y, x + width, y + r);
+  // 右边到右下角
+  ctx.lineTo(x + width, y + height - r);
+  ctx.quadraticCurveTo(x + width, y + height, x + width - r, y + height);
+  // 底边到左下角
+  ctx.lineTo(x + r, y + height);
+  ctx.quadraticCurveTo(x, y + height, x, y + height - r);
+  // 左边到左上角
+  ctx.lineTo(x, y + r);
+  ctx.quadraticCurveTo(x, y, x + r, y);
+  // 显式闭合路径，避免某些 Android WebView/Canvas 在左上角出现缺口
+  ctx.closePath();
+
+  if (fillColor) {
+    if (typeof ctx.setFillStyle === "function") {
+      ctx.setFillStyle(fillColor);
+    } else {
+      ctx.fillStyle = fillColor;
+    }
+    ctx.fill();
+  }
+
+  if (strokeColor) {
+    if (typeof ctx.setLineWidth === "function") {
+      ctx.setLineWidth(lineWidth);
+    } else {
+      ctx.lineWidth = lineWidth;
+    }
+    if (typeof ctx.setStrokeStyle === "function") {
+      ctx.setStrokeStyle(strokeColor);
+    } else {
+      ctx.strokeStyle = strokeColor;
+    }
+    ctx.stroke();
+  }
+}
+
+// 将文本按字符拆分并依次向右绘制，每个字符有白色背景，背景宽度根据字符宽度+内边距动态计算
+export function drawTextBoxesLine(
+  ctx,
+  text,
+  startX,
+  baselineY,
+  fontSize = 9,
+  padding = 10,
+  bgColor = "#fff",
+  textColor = "#000",
+  radius = 4,
+  gap = 0
+) {
+  const str = String(text || "");
+  // 确保测量宽度使用一致的字号
+  ctx.setFontSize(fontSize);
+  const w = ctx.measureText(str).width; // 整段文本宽度
+  const hPadding = padding + 4; // 左右额外加宽，保持高度不变
+  const rectW = Math.ceil(w) + hPadding * 2;
+  const rectH = fontSize + padding * 2;
+  const rectY = baselineY - fontSize - padding / 1.3; // 使文字基线位于背景内部
+  drawRoundedRect(ctx, startX, rectY, rectW, rectH, radius, bgColor, null, 0);
+  // 文本在背景内居中显示
+  renderText(
+    ctx,
+    str,
+    fontSize,
+    textColor,
+    startX + rectW / 2,
+    baselineY,
+    "center"
+  );
+  return startX + rectW + gap;
 }

 export function renderRankTitle(ctx, text) {
@@ -133,7 +274,9 @@ export const drawRoundImage = async (
  y,
  width,
  height,
-  radius
+  radius,
+  borderColor = null,
+  borderWidth = 0
 ) => {
  ctx.save();
  // 创建圆角路径
@@ -160,18 +303,56 @@ export const drawRoundImage = async (
  // 绘制图片
  ctx.drawImage(imgPath, x, y, width, height);
  ctx.restore();
+
+  // 绘制边框（可选）
+  if (borderWidth > 0 && borderColor) {
+    // 内收路径，使描边完全落在给定宽高内
+    const inset = borderWidth / 2;
+    const bx = x + inset;
+    const by = y + inset;
+    const bw = width - inset * 2;
+    const bh = height - inset * 2;
+    const br = Math.max(radius - inset, 0);
+
+    ctx.beginPath();
+    ctx.moveTo(bx + br, by);
+    // 右上角
+    ctx.lineTo(bx + bw - br, by);
+    ctx.arcTo(bx + bw, by, bx + bw, by + br, br);
+    // 右下角
+    ctx.lineTo(bx + bw, by + bh - br);
+    ctx.arcTo(bx + bw, by + bh, bx + bw - br, by + bh, br);
+    // 左下角
+    ctx.lineTo(bx + br, by + bh);
+    ctx.arcTo(bx, by + bh, bx, by + bh - br, br);
+    // 左上角
+    ctx.lineTo(bx, by + br);
+    ctx.arcTo(bx, by, bx + br, by, br);
+
+    if (typeof ctx.setLineWidth === "function") {
+      ctx.setLineWidth(borderWidth);
+    } else {
+      ctx.lineWidth = borderWidth;
+    }
+    if (typeof ctx.setStrokeStyle === "function") {
+      ctx.setStrokeStyle(borderColor);
+    } else {
+      ctx.strokeStyle = borderColor;
+    }
+    ctx.stroke();
+  }
 };

 const loadImage = (src) =>
-  new Promise((resolve) => {
+  new Promise((resolve, reject) => {
    try {
      uni.getImageInfo({
        src,
        success: (res) => resolve(res.path || res.tempFilePath || src),
-        fail: () => resolve(src),
+        fail: (e) => reject(e),
      });
    } catch (e) {
-      resolve(src);
+      reject(src);
    }
  });

@@ -180,6 +361,15 @@ export async function generateCanvasImage(canvasId, type, user, data) {
    var ctx = uni.createCanvasContext(canvasId);
    const width = 300;
    const height = 534;
+    // 先填充整体背景色
+    if (typeof ctx.setFillStyle === "function") {
+      ctx.setFillStyle("#F5F5F5");
+    } else {
+      ctx.fillStyle = "#F5F5F5";
+    }
+    if (typeof ctx.fillRect === "function") {
+      ctx.fillRect(0, 0, width, height);
+    }
    ctx.drawImage("../static/share-bg.png", 0, 0, width, height);
    const avatar = await loadImage(user.avatar);
    drawRoundImage(ctx, avatar, 17, 20, 32, 32, 20);
@@ -461,6 +651,15 @@ export const generateShareCard = (canvasId, date, actual, total) => {
      "https://static.shelingxingqiu.com/attachment/2025-11-04/ddzpm4tyh5vunyacsr.png";
    const drawWidth = 375;
    const drawHeight = 300;
+    // 先填充整体背景色
+    if (typeof ctx.setFillStyle === "function") {
+      ctx.setFillStyle("#F5F5F5");
+    } else {
+      ctx.fillStyle = "#F5F5F5";
+    }
+    if (typeof ctx.fillRect === "function") {
+      ctx.fillRect(0, 0, drawWidth, drawHeight);
+    }
    // 兼容第三个参数传入 "actual/total" 的情况
    let a = actual;
    let t = total;
@@ -675,7 +874,74 @@ export const generateShareCard = (canvasId, date, actual, total) => {
  }
 };

-export const generateShareImage = (canvasId) => {};
+export const generateShareImage = async (canvasId, data) => {
+  try {
+    const pointBook = uni.getStorageSync("point-book");
+    console.log("generate data:", data, pointBook);
+    const ctx = uni.createCanvasContext(canvasId);
+
+    const width = 375;
+    const height = 800;
+
+    ctx.setFillStyle("#F5F5F5");
+    ctx.fillRect(0, 0, width, height);
+
+    const bgUrl = await loadImage(
+      "https://static.shelingxingqiu.com/attachment/2025-11-14/de82iol96zxgwxbjhb.png"
+    );
+    ctx.drawImage(bgUrl, 0, 0, width, height);
+    const avatarUrl = await loadImage(data.user.avatar);
+    drawRoundImage(ctx, avatarUrl, 13, 13, 54, 54, 27, "#000", 1);
+    renderText(ctx, data.user.name, 18, "#000", 84, 36);
+    renderText(ctx, data.recordDate, 9, "#fff", 350, 24, "center", 38);
+    renderText(ctx, "今日打卡", 13, "#fff", 338, 36, "center", 38);
+    // 以第一个字的 x 为起点，右侧字符依次向右排列，每个字符有白色背景并留 5 像素内边距
+    let cursorX = 84;
+    cursorX = drawTextBoxesLine(
+      ctx,
+      pointBook.bowType.name,
+      cursorX,
+      58,
+      9,
+      5,
+      "#fff",
+      "#000",
+      6,
+      2
+    );
+    cursorX = drawTextBoxesLine(
+      ctx,
+      String(pointBook.distance) + " 米",
+      cursorX + 6,
+      58,
+      9,
+      5,
+      "#fff",
+      "#000",
+      6,
+      2
+    );
+    cursorX = drawTextBoxesLine(
+      ctx,
+      pointBook.bowtargetType.name,
+      cursorX + 6,
+      58,
+      9,
+      5,
+      "#fff",
+      "#000",
+      6,
+      2
+    );
+    // const pointBookQrcodeUrl = await loadImage(
+    //   "https://static.shelingxingqiu.com/attachment/2025-11-13/de7fzgghsfgqu0ytu6.png"
+    // );
+    // ctx.drawImage(pointBookQrcodeUrl, 45, 777, 68, 68);
+    ctx.draw();
+  } catch (e) {
+    console.error("generateShareImage 绘制失败:", e);
+  }
+};

 export const getDirectionText = (angle = 0) => {
  if (angle < 0) return "";