分享图兼容性修复

This commit is contained in:
kron
2025-11-17 12:02:07 +08:00
parent 046d1a7c9e
commit d9563a25c6
4 changed files with 544 additions and 410 deletions

481
src/canvas.js Normal file
View File

@@ -0,0 +1,481 @@
import { loadImage } from "@/util";
function drawLine(ctx, x1, y1, x2, y2, color = "#000", width = 1) {
ctx.beginPath();
ctx.lineWidth = width;
ctx.strokeStyle = color;
ctx.moveTo(x1, y1);
ctx.lineTo(x2, y2);
ctx.stroke();
}
const drawRoundImage = async (
ctx,
img,
x,
y,
width,
height,
radius,
borderColor = null,
borderWidth = 0
) => {
ctx.save();
// 创建圆角路径
ctx.beginPath();
ctx.moveTo(x + radius, y);
// 右上角
ctx.lineTo(x + width - radius, y);
ctx.arcTo(x + width, y, x + width, y + radius, radius);
// 右下角
ctx.lineTo(x + width, y + height - radius);
ctx.arcTo(x + width, y + height, x + width - radius, y + height, radius);
// 左下角
ctx.lineTo(x + radius, y + height);
ctx.arcTo(x, y + height, x, y + height - radius, radius);
// 左上角
ctx.lineTo(x, y + radius);
ctx.arcTo(x, y, x + radius, y, radius);
ctx.clip();
// 绘制图片
ctx.drawImage(img, 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();
}
};
function drawRingCircle(ctx, x, y, text, diameter = 12) {
const fillColor = "#ff4444";
const borderColor = "#ffffff";
const borderWidth = 1;
const r = diameter / 2;
const cx = x - r - borderWidth;
const cy = y - r - borderWidth;
ctx.beginPath();
ctx.arc(cx, cy, r, 0, Math.PI * 2);
ctx.fillStyle = fillColor;
ctx.shadowColor = "rgba(0,0,0,0.25)";
ctx.shadowBlur = 2;
ctx.shadowOffsetX = 0;
ctx.shadowOffsetY = 1;
ctx.fill();
// 重置阴影
ctx.shadowColor = "transparent";
ctx.shadowBlur = 0;
ctx.shadowOffsetX = 0;
ctx.shadowOffsetY = 0;
ctx.lineWidth = borderWidth;
ctx.strokeStyle = borderColor;
ctx.stroke();
const fontSize = 9;
ctx.save();
ctx.translate(cx, cy);
ctx.textAlign = "center";
ctx.textBaseline = "middle";
ctx.font = `${fontSize}px sans-serif`;
ctx.fillStyle = "#ffffff";
ctx.scale(0.7, 1);
ctx.fillText(String(text ?? ""), 0, 0);
ctx.restore();
}
function drawRoundedRect(
ctx,
x,
y,
width,
height,
radius,
fillColor = "#fff",
strokeColor = null,
lineWidth = 1
) {
const r = Math.max(Math.min(radius, Math.min(width, height) / 2), 0);
if (r === 0) {
ctx.beginPath();
ctx.rect(x, y, width, height);
if (fillColor) {
ctx.fillStyle = fillColor;
ctx.fill();
}
if (strokeColor) {
ctx.lineWidth = lineWidth;
ctx.strokeStyle = strokeColor;
ctx.stroke();
}
return;
}
ctx.beginPath();
ctx.moveTo(x + r, y);
ctx.lineTo(x + width - r, y);
ctx.quadraticCurveTo(x + width, y, x + width, y + r);
ctx.lineTo(x + width, y + height - r);
ctx.quadraticCurveTo(x + width, y + height, x + width - r, y + height);
ctx.lineTo(x + r, y + height);
ctx.quadraticCurveTo(x, y + height, x, y + height - r);
ctx.lineTo(x, y + r);
ctx.quadraticCurveTo(x, y, x + r, y);
ctx.closePath();
if (fillColor) {
ctx.fillStyle = fillColor;
ctx.fill();
}
if (strokeColor) {
ctx.lineWidth = lineWidth;
ctx.strokeStyle = strokeColor;
ctx.stroke();
}
}
function drawTextBoxesLine(
ctx,
text,
startX,
baselineY,
fontSize = 9,
padding = 10,
bgColor = "#fff",
textColor = "#000",
radius = 4,
gap = 0
) {
const str = String(text || "");
ctx.font = `${fontSize}px sans-serif`;
const w = ctx.measureText(str).width; // 整段文本宽度
const hPadding = padding + 4;
const rectW = Math.ceil(w) + hPadding * 2;
const rectH = fontSize + padding * 2;
const rectY = baselineY - fontSize - padding / 1.3;
drawRoundedRect(ctx, startX, rectY, rectW, rectH, radius, bgColor, null, 0);
renderText(
ctx,
str,
fontSize,
textColor,
startX + rectW / 2,
baselineY,
"center"
);
return startX + rectW + gap;
}
function renderText(
ctx,
text,
size,
color,
x,
y,
textAlign = "left",
rotateDeg = 0
) {
ctx.font = `${size}px sans-serif`;
ctx.fillStyle = color;
ctx.textAlign = textAlign;
ctx.textBaseline = "alphabetic";
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);
}
}
export const generateShareImage = async (canvasId, data) => {
try {
const pointBook = uni.getStorageSync("point-book");
const arrowData = data.groups && data.groups[0] ? data.groups[0] : {};
const hasPoint =
Array.isArray(arrowData.list) &&
arrowData.list.some((arrow) => arrow?.x && arrow?.y);
const width = 375;
const height = hasPoint ? 800 : 440;
// 获取 Canvas 2D 上下文并按 DPR 设置
const { canvas, ctx } = await getCanvas2DContext(canvasId, width, height);
// 背景填充
ctx.fillStyle = "#F5F5F5";
ctx.fillRect(0, 0, width, height);
// 背景图
const bgSrc = await loadImage(
"https://static.shelingxingqiu.com/attachment/2025-11-14/de88ugdgqwecnmsqfv.png"
);
const bgImg = await loadCanvasImage(canvas, bgSrc);
ctx.drawImage(bgImg, 0, 0, width, 300);
// 头像
const avatarSrc = await loadImage(data.user.avatar);
const avatarImg = await loadCanvasImage(canvas, avatarSrc);
await drawRoundImage(ctx, avatarImg, 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", 39);
renderText(ctx, "今日打卡", 13, "#fff", 336, 38, "center", 39);
// 文本标签
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
);
renderText(ctx, "落点稳定性", 13, "#999", 25, 110);
renderText(ctx, "黄心率", 13, "#999", 145, 110);
renderText(ctx, "10环数", 13, "#999", 262, 110);
renderText(
ctx,
Number(arrowData.stability.toFixed(2)),
15,
"#000",
25,
133
);
renderText(
ctx,
Number((arrowData.yellowRate * 100).toFixed(2)) + "%",
15,
"#000",
145,
133
);
renderText(ctx, arrowData.tenRings, 15, "#000", 262, 133);
renderText(ctx, "平均环数", 13, "#999", 25, 175);
renderText(ctx, "总换数", 13, "#999", 145, 175);
renderText(
ctx,
Number(arrowData.averageRing.toFixed(2)),
15,
"#000",
25,
200
);
renderText(
ctx,
`${arrowData.userTotalRing}/${arrowData.totalRing}`,
15,
"#000",
145,
200
);
if (hasPoint) {
drawRoundedRect(ctx, 20, 230, 5, 15, 5, "#FED847");
renderText(ctx, "落点分布", 13, "#999", 32, 242);
const bowSrc = await loadImage(pointBook.bowtargetType.iconPng);
const bowImg = await loadCanvasImage(canvas, bowSrc);
ctx.drawImage(bowImg, 375 * 0.08, 250, 375 * 0.84, 375 * 0.84);
arrowData.list
.filter((arrow) => arrow?.x && arrow?.y)
.forEach((arrow, index) => {
const px = 375 * 0.08 + 375 * 0.84 * arrow.x;
const py = 250 + 375 * 0.84 * arrow.y;
drawRingCircle(ctx, px, py, index + 1);
});
}
const ringNames = ["X", 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, "M"];
const ringBarHeight = hasPoint ? 700 : 340;
let rings = new Array(12).fill(0);
arrowData.list.forEach((arrow) => {
if (arrow.ring === 0) rings[0]++;
else if (arrow.ring === -1) rings[11]++;
else rings[arrow.ring]++;
});
[rings[0], rings[11]] = [rings[11], rings[0]];
rings = rings.reverse().map((count) => ({
count,
rate: count / arrowData.list.length,
}));
const barColor = (rate) => {
if (rate >= 0.4) return "#FDC540";
if (rate >= 0.2) return "#FED847";
return "#ffe88f";
};
const barWidth = 20;
const barSpacing = 7.1;
const startX = 38;
const startY = ringBarHeight - 15;
rings.forEach((ring, index) => {
const barHeight = ring.rate * 90;
if (ring.rate > 0) {
renderText(
ctx,
Number((ring.rate * 100).toFixed(1)) + "%",
9,
"#333",
startX + index * (barWidth + barSpacing),
startY - barHeight - (hasPoint ? 6 : 3)
);
}
ctx.fillStyle = barColor(ring.rate);
ctx.fillRect(
startX + index * (barWidth + barSpacing),
startY - barHeight,
barWidth,
barHeight
);
});
renderText(ctx, "环值", 9, "#999", 15, ringBarHeight - 1);
ringNames.forEach((ring, index) => {
renderText(
ctx,
ring,
11,
"#333",
48 + index * 27,
ringBarHeight,
"center"
);
});
drawLine(ctx, 15, ringBarHeight - 15, 362, ringBarHeight - 15, "#333");
const qrcodeSrc = await loadImage(
"https://static.shelingxingqiu.com/attachment/2025-11-13/de7fzgghsfgqu0ytu6.png"
);
const qrcodeImg = await loadCanvasImage(canvas, qrcodeSrc);
ctx.drawImage(qrcodeImg, 40, hasPoint ? 715 : 358, 68, 68);
renderText(ctx, "射灵星球", 18, "#333", 120, hasPoint ? 734 : 380);
renderText(
ctx,
"高效记录每一箭,快来一起打卡吧!",
13,
"#999",
120,
hasPoint ? 756 : 402
);
renderText(ctx, "扫码打卡", 13, "#FFA118", 120, hasPoint ? 777 : 422);
// 2D 即时绘制,无需 ctx.draw()
} catch (e) {
console.error("generateShareImage 绘制失败:", e);
}
};
// 顶部导入与工具方法
async function getCanvas2DContext(canvasId, targetWidth, targetHeight) {
return new Promise((resolve) => {
const query = uni.createSelectorQuery();
query
.select(`#${canvasId}`)
.fields({ node: true, size: true })
.exec((res) => {
const { node: canvas } = res[0] || {};
const ctx = canvas.getContext("2d");
const dpr = uni.getSystemInfoSync().pixelRatio || 1;
const w = targetWidth || res[0].width;
const h = targetHeight || res[0].height;
canvas.width = w * dpr;
canvas.height = h * dpr;
ctx.scale(dpr, dpr);
resolve({ canvas, ctx, dpr, cssWidth: w, cssHeight: h });
});
});
}
async function loadCanvasImage(canvas, src) {
return new Promise((resolve, reject) => {
try {
const img = canvas.createImage();
img.onload = () => resolve(img);
img.onerror = (e) => reject(e);
img.src = src;
} catch (e) {
reject(e);
}
});
}

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@@ -7,7 +7,8 @@ import ScreenHint2 from "@/components/ScreenHint2.vue";
import RingBarChart from "@/components/RingBarChart.vue"; import RingBarChart from "@/components/RingBarChart.vue";
import { getPointBookDetailAPI, addNoteAPI } from "@/apis"; import { getPointBookDetailAPI, addNoteAPI } from "@/apis";
import { wxShare, generateShareCard, generateShareImage } from "@/util"; import { wxShare, generateShareCard } from "@/util";
import { generateShareImage } from "@/canvas";
import useStore from "@/store"; import useStore from "@/store";
import { storeToRefs } from "pinia"; import { storeToRefs } from "pinia";
@@ -23,6 +24,7 @@ const targetId = ref(0);
const targetSrc = ref(""); const targetSrc = ref("");
const arrows = ref([]); const arrows = ref([]);
const notes = ref(""); const notes = ref("");
const hasPoint = ref(false);
const record = ref({ const record = ref({
groups: [], groups: [],
user: {}, user: {},
@@ -94,6 +96,11 @@ onLoad(async (options) => {
if (options.id) { if (options.id) {
const result = await getPointBookDetailAPI(options.id || 243); const result = await getPointBookDetailAPI(options.id || 243);
record.value = result; record.value = result;
const arrowData =
record.value.groups && record.value.groups[0]
? record.value.groups[0]
: {};
hasPoint.value = (arrowData.list || []).some((arrow) => arrow.x && arrow.y);
notes.value = result.remark || ""; notes.value = result.remark || "";
const config = uni.getStorageSync("point-book-config"); const config = uni.getStorageSync("point-book-config");
config.targetOption.some((item) => { config.targetOption.some((item) => {
@@ -170,8 +177,9 @@ onShareTimeline(async () => {
></canvas> ></canvas>
<canvas <canvas
class="share-canvas" class="share-canvas"
canvas-id="shareImageCanvas" id="shareImageCanvas"
style="width: 375px; height: 860px" type="2d"
:style="`width: 375px; height: ${hasPoint ? 800 : 440}px`"
></canvas> ></canvas>
<view class="detail-data"> <view class="detail-data">
<view> <view>
@@ -216,7 +224,7 @@ onShareTimeline(async () => {
<text>{{ notes ? "我的备注" : "添加备注" }}</text> <text>{{ notes ? "我的备注" : "添加备注" }}</text>
</button> </button>
</view> </view>
<view class="title-bar"> <view class="title-bar" v-if="hasPoint">
<view /> <view />
<text>落点分布</text> <text>落点分布</text>
<!-- <button hover-class="none" @click="() => openTip(2)"> <!-- <button hover-class="none" @click="() => openTip(2)">
@@ -227,7 +235,10 @@ onShareTimeline(async () => {
/> />
</button> --> </button> -->
</view> </view>
<view :style="{ transform: 'translateY(-64rpx) scale(0.9)' }"> <view
:style="{ transform: 'translateY(-64rpx) scale(0.9)' }"
v-if="hasPoint"
>
<BowTargetEdit <BowTargetEdit
:id="targetId" :id="targetId"
:src="targetSrc" :src="targetSrc"
@@ -235,7 +246,7 @@ onShareTimeline(async () => {
:scroll="false" :scroll="false"
/> />
</view> </view>
<view :style="{ transform: 'translateY(-100rpx)' }"> <view :style="{ transform: hasPoint ? 'translateY(-100rpx)' : 'none' }">
<!-- <view class="title-bar"> <!-- <view class="title-bar">
<view /> <view />
<text>环值分布</text> <text>环值分布</text>

View File

@@ -312,7 +312,6 @@ onShareTimeline(() => {
</view> </view>
<canvas <canvas
id="heatMapCanvas" id="heatMapCanvas"
canvas-id="heatMapCanvas"
type="2d" type="2d"
style=" style="
width: 100%; width: 100%;

View File

@@ -105,222 +105,6 @@ export function renderText(
} }
} }
// 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();
}
}
export function drawRingCircle(ctx, x, y, text, diameter = 12) {
const fillColor = "#ff4444";
const borderColor = "#ffffff";
const borderWidth = 1;
const r = diameter / 2;
// 传入的 x/y 需要减去半径和边框长度
const cx = x - r - borderWidth;
const cy = y - r - borderWidth;
// 画圆填充
ctx.beginPath();
if (typeof ctx.arc === "function") {
ctx.arc(cx, cy, r, 0, Math.PI * 2);
} else {
// 简易兼容:没有 arc 方法时,用圆角矩形近似
drawRoundedRect(ctx, cx - r, cy - r, r * 2, r * 2, r, fillColor, null, 0);
}
if (typeof ctx.setFillStyle === "function") {
ctx.setFillStyle(fillColor);
} else {
ctx.fillStyle = fillColor;
}
// 添加微弱阴影提升立体感
if (typeof ctx.setShadow === "function") {
ctx.setShadow(0, 1, 2, "rgba(0,0,0,0.25)");
} else {
ctx.shadowColor = "rgba(0,0,0,0.25)";
ctx.shadowBlur = 2;
ctx.shadowOffsetX = 0;
ctx.shadowOffsetY = 1;
}
ctx.fill();
// 重置阴影,避免影响后续描边和文字
if (typeof ctx.setShadow === "function") {
ctx.setShadow(0, 0, 0, "rgba(0,0,0,0)");
} else {
ctx.shadowColor = "transparent";
ctx.shadowBlur = 0;
ctx.shadowOffsetX = 0;
ctx.shadowOffsetY = 0;
}
// 画白色 1px 边框
if (typeof ctx.setLineWidth === "function") {
ctx.setLineWidth(borderWidth);
} else {
ctx.lineWidth = borderWidth;
}
if (typeof ctx.setStrokeStyle === "function") {
ctx.setStrokeStyle(borderColor);
} else {
ctx.strokeStyle = borderColor;
}
// 当 arc 不可用时drawRoundedRect 已经完成边框;否则对圆描边
if (typeof ctx.arc === "function") {
ctx.stroke();
}
// 在圆心绘制数字,使用水平缩放实现窄体,并保持圆心居中
const fontSize = 9;
if (typeof ctx.setFontSize === "function") {
ctx.setFontSize(fontSize);
} else {
ctx.font = `${fontSize}px sans-serif`;
}
if (typeof ctx.setFillStyle === "function") {
ctx.setFillStyle("#ffffff");
} else {
ctx.fillStyle = "#ffffff";
}
ctx.save();
ctx.translate(cx, cy);
// 居中对齐
if (typeof ctx.setTextAlign === "function") {
ctx.setTextAlign("center");
} else {
ctx.textAlign = "center";
}
if (typeof ctx.setTextBaseline === "function") {
ctx.setTextBaseline("middle");
} else {
ctx.textBaseline = "middle";
}
ctx.scale(0.7, 1);
ctx.fillText(String(text ?? ""), 0, 0);
ctx.restore();
}
// 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) { export function renderRankTitle(ctx, text) {
const fontSize = 8; const fontSize = 8;
const textWidth = ctx.measureText(text).width; const textWidth = ctx.measureText(text).width;
@@ -435,7 +219,7 @@ export const drawRoundImage = async (
} }
}; };
const loadImage = (src) => export const loadImage = (src) =>
new Promise((resolve, reject) => { new Promise((resolve, reject) => {
try { try {
uni.getImageInfo({ uni.getImageInfo({
@@ -526,21 +310,64 @@ export async function generateCanvasImage(canvasId, type, user, data) {
export const wxShare = async (canvasId = "shareCanvas") => { export const wxShare = async (canvasId = "shareCanvas") => {
try { try {
// 先尝试按 id 查找 <canvas type="2d"> 节点
const { pixelRatio: dpr = 1 } = uni.getSystemInfoSync() || {};
const info = await new Promise((resolve) => {
const query = uni.createSelectorQuery();
query
.select(`#${canvasId}`)
.fields({ node: true, size: true })
.exec((res) => resolve(res && res[0]));
});
const canvas = info?.node;
const cssWidth = info?.width;
const cssHeight = info?.height;
if (canvas && typeof canvas.getContext === "function") {
// 2D 画布导出:传入 canvas 节点
const tempPath = await new Promise((resolve, reject) => {
uni.canvasToTempFilePath({
canvas,
width: cssWidth,
height: cssHeight,
// 按 DPR 导出更清晰的图片
destWidth: Math.round(cssWidth * dpr),
destHeight: Math.round(cssHeight * dpr),
fileType: "png",
quality: 1,
success: (r) => {
const p = r.tempFilePath || r.apFilePath || r.filePath;
resolve(p);
},
fail: reject,
});
});
wx.showShareImageMenu({
entrancePath: "pages/index",
path: tempPath,
});
return tempPath;
}
// 回退:旧版非 2D 画布(通过 canvasId 导出)
const res = await uni.canvasToTempFilePath({ const res = await uni.canvasToTempFilePath({
canvasId, canvasId,
fileType: "png", // 图片格式,可选 jpg 或 png fileType: "png",
quality: 1, // 图片质量,取值范围为 0-1 quality: 1,
}); });
wx.showShareImageMenu({ wx.showShareImageMenu({
entrancePath: "pages/index", entrancePath: "pages/index",
path: res.tempFilePath, path: res.tempFilePath,
}); });
return res.tempFilePath;
} catch (error) { } catch (error) {
console.log("生成图片失败:", error); console.log("生成图片失败:", error);
uni.showToast({ uni.showToast({
title: "生成图片失败", title: "生成图片失败",
icon: "error", icon: "error",
}); });
throw error;
} }
}; };
@@ -966,190 +793,6 @@ export const generateShareCard = (canvasId, date, actual, total) => {
} }
}; };
export function drawLine(ctx, x1, y1, x2, y2, color = "#000", width = 1) {
ctx.beginPath();
ctx.lineWidth = width;
ctx.strokeStyle = color;
ctx.moveTo(x1, y1);
ctx.lineTo(x2, y2);
ctx.stroke();
}
export const generateShareImage = async (canvasId, data) => {
try {
const pointBook = uni.getStorageSync("point-book");
const arrowData = data.groups && data.groups[0] ? data.groups[0] : {};
const hasPoint = arrowData.list.some((arrow) => arrow.x && arrow.y);
const ctx = uni.createCanvasContext(canvasId);
const width = 375;
const height = hasPoint ? 800 : 440;
ctx.setFillStyle("#F5F5F5");
ctx.fillRect(0, 0, width, height);
const bgUrl = await loadImage(
"https://static.shelingxingqiu.com/attachment/2025-11-14/de88ugdgqwecnmsqfv.png"
);
ctx.drawImage(bgUrl, 0, 0, width, 300);
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", 39);
renderText(ctx, "今日打卡", 13, "#fff", 336, 38, "center", 39);
// 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
);
renderText(ctx, "落点稳定性", 13, "#999", 25, 110);
renderText(ctx, "黄心率", 13, "#999", 145, 110);
renderText(ctx, "10环数", 13, "#999", 262, 110);
renderText(ctx, arrowData.stability, 15, "#000", 25, 133);
renderText(
ctx,
Number((arrowData.yellowRate * 100).toFixed(2)) + "%",
15,
"#000",
145,
133
);
renderText(ctx, arrowData.tenRings, 15, "#000", 262, 133);
renderText(ctx, "平均环数", 13, "#999", 25, 175);
renderText(ctx, "总换数", 13, "#999", 145, 175);
renderText(ctx, arrowData.averageRing, 15, "#000", 25, 200);
renderText(
ctx,
`${arrowData.userTotalRing}/${arrowData.totalRing}`,
15,
"#000",
145,
200
);
if (hasPoint) {
drawRoundedRect(ctx, 20, 230, 5, 15, 5, "#FED847");
renderText(ctx, "落点分布", 13, "#999", 32, 242);
const bowUrl = await loadImage(pointBook.bowtargetType.iconPng);
ctx.drawImage(bowUrl, 375 * 0.08, 250, 375 * 0.84, 375 * 0.84);
arrowData.list.forEach((arrow, index) => {
const px = 375 * 0.08 + 375 * 0.84 * arrow.x;
const py = 250 + 375 * 0.84 * arrow.y;
drawRingCircle(ctx, px, py, index + 1);
});
}
const ringNames = ["X", 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, "M"];
const ringBarHeight = hasPoint ? 700 : 340;
// 统计每个环数的次数
let rings = new Array(12).fill(0);
arrowData.list.forEach((arrow) => {
if (arrow.ring === 0) rings[0]++;
else if (arrow.ring === -1) rings[11]++;
else rings[arrow.ring]++;
});
[rings[0], rings[11]] = [rings[11], rings[0]];
rings = rings.reverse();
rings = rings.map((count) => ({
count,
rate: count / arrowData.list.length,
}));
// 渲染柱子
const barColor = (rate) => {
if (rate >= 0.4) return "#FDC540";
if (rate >= 0.2) return "#FED847";
return "#ffe88f";
};
const barWidth = 20;
const barSpacing = 7.1;
const startX = 38;
const startY = ringBarHeight - 15;
rings.forEach((ring, index) => {
const barHeight = ring.rate * 90;
if (ring.rate > 0) {
renderText(
ctx,
Number((ring.rate * 100).toFixed(1)) + "%",
9,
"#333",
startX + index * (barWidth + barSpacing),
startY - barHeight - (hasPoint ? 6 : 3)
);
}
ctx.fillStyle = barColor(ring.rate);
ctx.fillRect(
startX + index * (barWidth + barSpacing),
startY - barHeight,
barWidth,
barHeight
);
});
renderText(ctx, "环值", 9, "#999", 15, ringBarHeight - 1);
ringNames.forEach((ring, index) => {
renderText(
ctx,
ring,
11,
"#333",
48 + index * 27,
ringBarHeight,
"center"
);
});
drawLine(ctx, 15, ringBarHeight - 15, 362, ringBarHeight - 15, "#333");
const pointBookQrcodeUrl = await loadImage(
"https://static.shelingxingqiu.com/attachment/2025-11-13/de7fzgghsfgqu0ytu6.png"
);
ctx.drawImage(pointBookQrcodeUrl, 40, hasPoint ? 715 : 358, 68, 68);
renderText(ctx, "射灵星球", 18, "#333", 120, hasPoint ? 734 : 380);
renderText(
ctx,
"高效记录每一箭,快来一起打卡吧!",
13,
"#999",
120,
hasPoint ? 756 : 402
);
renderText(ctx, "扫码打卡", 13, "#FFA118", 120, hasPoint ? 777 : 422);
ctx.draw();
} catch (e) {
console.error("generateShareImage 绘制失败:", e);
}
};
export const getDirectionText = (angle = 0) => { export const getDirectionText = (angle = 0) => {
if (angle < 0) return ""; if (angle < 0) return "";
if (angle >= 337.5 || angle < 22.5) { if (angle >= 337.5 || angle < 22.5) {