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优化圆形文本

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24kycj
2025-05-28 01:11:17 +08:00
parent cbf8b48986
commit 71aa2c3d1f
5 changed files with 245 additions and 23 deletions
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data.json
+1 -1
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@@ -1 +1 @@
{"history":[{"time":"2025-4-10","path":"E:\\project\\sideline\\shanghaikashu\\文件\\soon文件\\ceshi6.soon"},{"time":"2025-4-10","path":"E:\\project\\sideline\\shanghaikashu\\文件\\soon文件\\ceshi7.soon"},{"time":"2025-4-9","path":"E:\\project\\sideline\\shanghaikashu\\文件\\soon文件\\ceshi5.soon"},{"time":"2025-4-9","path":"E:\\project\\sideline\\shanghaikashu\\文件\\soon文件\\ceshi.soon"}]}
{"history":[{"time":"2025-5-28","path":"E:\\project\\sideline\\shanghaikashu\\文件\\soon文件\\ceshi6.soon"},{"time":"2025-4-10","path":"E:\\project\\sideline\\shanghaikashu\\文件\\soon文件\\ceshi7.soon"},{"time":"2025-4-9","path":"E:\\project\\sideline\\shanghaikashu\\文件\\soon文件\\ceshi5.soon"},{"time":"2025-4-9","path":"E:\\project\\sideline\\shanghaikashu\\文件\\soon文件\\ceshi.soon"}]}
design1.html
+10 -7
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@@ -200,12 +200,12 @@
style="display: inline-block;width: 150px;position: relative;top:-3px;left:5px;">
</div>
</div>
<!-- <div class="component-line">
<div class="component-line">
<span class="name" language="m" zh="直径：" ozh="直径：" en="Diameter:"></span>
<div id="circle_text_diameter"
style="display: inline-block;width: 150px;position: relative;top:-3px;left:5px;">
</div>
</div> -->
</div>
<div class="component-line">
<span class="name" language="m" zh="颜色：" ozh="顏色：" en="Color:"></span>
<input type="color" id="circle_text_color" class="input_color">
@@ -586,7 +586,7 @@
</div>
</div>
<script src="./public/js/fabric.min.js"></script>
<script src="./public/js/guideLines.js"></script>
<script src="./public/js/guideLines1.js"></script>
<script src="./public/js/print.min.js"></script>
<script src="./public/js/crypto-js.min.js"></script>
<script src="./public/js/jspdf.umd.min.js"></script>
@@ -613,7 +613,7 @@
(function (fabric) {
fabric.CurvedText = fabric.util.createClass(fabric.Object, {
type: 'curved-text',
diameter: 250,
diameter: 0,
kerning: 0,
text: '',
flipped: false,
@@ -4984,7 +4984,7 @@
lockScalingY: true,
fontFamily: 'Arial',
originX: 'center',
originY: 'center',
// originY: 'center',
angle: angleDeg,
flipped: pointer.y > canvas.height/2 ? true : false
});
@@ -6194,12 +6194,15 @@
if (objs[getIndex(e.target) - 1].type ===11) {
let pointer = {
x: obj.left,
y: obj.top > canvas.height/2 ? obj.top + obj.height/2 : obj.top - obj.height/2
y: obj.top
}
console.log(obj)
// console.log(obj)
let distance = getDisdance(pointer.x, pointer.y, canvas.width/2,canvas.height/2)
let angleDeg = getDeg(pointer)
let flipped = pointer.y > canvas.height/2 ? true : false
// distance = distance + 140
// console.log(pointer.x, pointer.y, canvas.width/2,canvas.height/2, distance*2)
circle_text_diameter.setValue(distance*2-500);
obj.set("diameter", distance*2);
obj.set("angle", angleDeg);
obj.set("flipped", flipped);
design2.html
+15 -15
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@@ -565,7 +565,7 @@
</div>
</div>
<script src="./public/js/fabric.min.js"></script>
<script src="./public/js/guideLines.js"></script>
<script src="./public/js/guideLines2.js"></script>
<script src="./public/js/print.min.js"></script>
<script src="./public/js/crypto-js.min.js"></script>
<script src="./public/js/jspdf.umd.min.js"></script>
@@ -5915,20 +5915,20 @@
})
canvas2.on("object:moving", function (e) {
let obj = canvas.getActiveObject()
if (objs[getIndex(e.target) - 1].type ===11) {
let pointer = {
x: obj.left,
y: obj.top > canvas.height/2 ? obj.top + obj.height/2 : obj.top - obj.height/2
}
console.log(obj)
let distance = getDisdance(pointer.x, pointer.y, canvas.width/2,canvas.height/2)
let angleDeg = getDeg(pointer)
let flipped = pointer.y > canvas.height/2 ? true : false
obj.set("diameter", distance*2);
// obj.set("angle", angleDeg);
obj.set("flipped", flipped);
// canvas.renderAll();
}
// if (objs[getIndex(e.target) - 1].type ===11) {
// let pointer = {
// x: obj.left,
// y: obj.top > canvas.height/2 ? obj.top + obj.height/2 : obj.top - obj.height/2
// }
// console.log(obj)
// let distance = getDisdance(pointer.x, pointer.y, canvas.width/2,canvas.height/2)
// let angleDeg = getDeg(pointer)
// let flipped = pointer.y > canvas.height/2 ? true : false
// obj.set("diameter", distance*2);
// // obj.set("angle", angleDeg);
// obj.set("flipped", flipped);
// // canvas.renderAll();
// }
updateControls();
});
canvas2.on('object:scaling', function (e) {
public/js/guideLines.js → public/js/guideLines1.js
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public/js/guideLines2.js
+219
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@@ -0,0 +1,219 @@
function initAligningGuidelines(canvas) {
var ctx = canvas.getSelectionContext(),
//aligningLineOffset = 0,
//aligningLineMargin = 0,
//aligningLineWidth = 1,
//aligningLineColor = 'rgb(0,0,0)',
aligningLineOffset = 4,
aligningLineMargin = 5,//吸引
aligningLineWidth = 2,
aligningLineColor = '#6637FF',
viewportTransform,
zoom = 1;
function drawVerticalLine(coords) {
drawLine(
coords.x + 0.5,
coords.y1 > coords.y2 ? coords.y2 : coords.y1,
coords.x + 0.5,
coords.y2 > coords.y1 ? coords.y2 : coords.y1);
}
function drawHorizontalLine(coords) {
drawLine(
coords.x1 > coords.x2 ? coords.x2 : coords.x1,
coords.y + 0.5,
coords.x2 > coords.x1 ? coords.x2 : coords.x1,
coords.y + 0.5);
}
function drawLine(x1, y1, x2, y2) {
ctx.save();
ctx.lineWidth = aligningLineWidth;
ctx.strokeStyle = aligningLineColor;
ctx.beginPath();
let width = canvas.getWidth();
let height = canvas.getHeight();
ctx.moveTo(width / 2 - ( ( width / 2 - (x1) ) * zoom ) , height / 2 - ( ( height / 2 - (y1) ) * zoom ));//哪个点散射出来
ctx.lineTo(width / 2 - ( ( width / 2 - (x2) ) * zoom ), height / 2 - ( ( height / 2 - (y2) ) * zoom ));//结束到哪个点
//修复中心放大后的位置偏移 2021-10-24
ctx.stroke();
ctx.restore();
}
function isInRange(value1, value2) {
value1 = Math.round(value1);
value2 = Math.round(value2);
for (var i = value1 - aligningLineMargin, len = value1 + aligningLineMargin; i <= len; i++) {
if (i === value2) {
return true;
}
}
return false;
}
var verticalLines = [],
horizontalLines = [];
canvas.on('mouse:down', function () {
viewportTransform = canvas.viewportTransform;
zoom = canvas.getZoom();
});
canvas.on('object:moving', function(e) {
var activeObject = e.target,
canvasObjects = canvas.getObjects(),
activeObjectCenter = activeObject.getCenterPoint(),
activeObjectLeft = activeObjectCenter.x,
activeObjectTop = activeObjectCenter.y,
activeObjectBoundingRect = activeObject.getBoundingRect(),
activeObjectHeight = activeObjectBoundingRect.height / viewportTransform[3],
activeObjectWidth = activeObjectBoundingRect.width / viewportTransform[0],
horizontalInTheRange = false,
verticalInTheRange = false,
transform = canvas._currentTransform;
if (!transform) return;
// It should be trivial to DRY this up by encapsulating (repeating) creation of x1, x2, y1, and y2 into functions,
// but we're not doing it here for perf. reasons -- as this a function that's invoked on every mouse move
for (var i = canvasObjects.length; i--; ) {
if (canvasObjects[i] === activeObject) continue;
var objectCenter = canvasObjects[i].getCenterPoint(),
objectLeft = objectCenter.x,
objectTop = objectCenter.y,
objectBoundingRect = canvasObjects[i].getBoundingRect(),
objectHeight = objectBoundingRect.height / viewportTransform[3],
objectWidth = objectBoundingRect.width / viewportTransform[0];
// snap by the horizontal center line
if (isInRange(objectLeft, activeObjectLeft)) {
verticalInTheRange = true;
verticalLines.push({
x: objectLeft,
y1: (objectTop < activeObjectTop)
? (objectTop - objectHeight / 2 - aligningLineOffset)
: (objectTop + objectHeight / 2 + aligningLineOffset),
y2: (activeObjectTop > objectTop)
? (activeObjectTop + activeObjectHeight / 2 + aligningLineOffset)
: (activeObjectTop - activeObjectHeight / 2 - aligningLineOffset)
});
activeObject.setPositionByOrigin(new fabric.Point(objectLeft, activeObjectTop), 'center', 'center');
}
// snap by the left edge
if (isInRange(objectLeft - objectWidth / 2, activeObjectLeft - activeObjectWidth / 2)) {
verticalInTheRange = true;
verticalLines.push({
x: objectLeft - objectWidth / 2,
y1: (objectTop < activeObjectTop)
? (objectTop - objectHeight / 2 - aligningLineOffset)
: (objectTop + objectHeight / 2 + aligningLineOffset),
y2: (activeObjectTop > objectTop)
? (activeObjectTop + activeObjectHeight / 2 + aligningLineOffset)
: (activeObjectTop - activeObjectHeight / 2 - aligningLineOffset)
});
activeObject.setPositionByOrigin(new fabric.Point(objectLeft - objectWidth / 2 + activeObjectWidth / 2, activeObjectTop), 'center', 'center');
}
// snap by the right edge
if (isInRange(objectLeft + objectWidth / 2, activeObjectLeft + activeObjectWidth / 2)) {
verticalInTheRange = true;
verticalLines.push({
x: objectLeft + objectWidth / 2,
y1: (objectTop < activeObjectTop)
? (objectTop - objectHeight / 2 - aligningLineOffset)
: (objectTop + objectHeight / 2 + aligningLineOffset),
y2: (activeObjectTop > objectTop)
? (activeObjectTop + activeObjectHeight / 2 + aligningLineOffset)
: (activeObjectTop - activeObjectHeight / 2 - aligningLineOffset)
});
activeObject.setPositionByOrigin(new fabric.Point(objectLeft + objectWidth / 2 - activeObjectWidth / 2, activeObjectTop), 'center', 'center');
}
// snap by the vertical center line
if (isInRange(objectTop, activeObjectTop)) {
horizontalInTheRange = true;
horizontalLines.push({
y: objectTop,
x1: (objectLeft < activeObjectLeft)
? (objectLeft - objectWidth / 2 - aligningLineOffset)
: (objectLeft + objectWidth / 2 + aligningLineOffset),
x2: (activeObjectLeft > objectLeft)
? (activeObjectLeft + activeObjectWidth / 2 + aligningLineOffset)
: (activeObjectLeft - activeObjectWidth / 2 - aligningLineOffset)
});
activeObject.setPositionByOrigin(new fabric.Point(activeObjectLeft, objectTop), 'center', 'center');
}
// snap by the top edge
if (isInRange(objectTop - objectHeight / 2, activeObjectTop - activeObjectHeight / 2)) {
horizontalInTheRange = true;
horizontalLines.push({
y: objectTop - objectHeight / 2,
x1: (objectLeft < activeObjectLeft)
? (objectLeft - objectWidth / 2 - aligningLineOffset)
: (objectLeft + objectWidth / 2 + aligningLineOffset),
x2: (activeObjectLeft > objectLeft)
? (activeObjectLeft + activeObjectWidth / 2 + aligningLineOffset)
: (activeObjectLeft - activeObjectWidth / 2 - aligningLineOffset)
});
activeObject.setPositionByOrigin(new fabric.Point(activeObjectLeft, objectTop - objectHeight / 2 + activeObjectHeight / 2), 'center', 'center');
}
// snap by the bottom edge
if (isInRange(objectTop + objectHeight / 2, activeObjectTop + activeObjectHeight / 2)) {
horizontalInTheRange = true;
horizontalLines.push({
y: objectTop + objectHeight / 2,
x1: (objectLeft < activeObjectLeft)
? (objectLeft - objectWidth / 2 - aligningLineOffset)
: (objectLeft + objectWidth / 2 + aligningLineOffset),
x2: (activeObjectLeft > objectLeft)
? (activeObjectLeft + activeObjectWidth / 2 + aligningLineOffset)
: (activeObjectLeft - activeObjectWidth / 2 - aligningLineOffset)
});
activeObject.setPositionByOrigin(new fabric.Point(activeObjectLeft, objectTop + objectHeight / 2 - activeObjectHeight / 2), 'center', 'center');
}
}
if (!horizontalInTheRange) {
horizontalLines.length = 0;
}
if (!verticalInTheRange) {
verticalLines.length = 0;
}
});
canvas.on('before:render', function() {
if(canvas&&canvas.contextTop)
{
canvas.clearContext(canvas.contextTop);
}
});
canvas.on('after:render', function() {
for (var i = verticalLines.length; i--; ) {
drawVerticalLine(verticalLines[i]);
}
for (var i = horizontalLines.length; i--; ) {
drawHorizontalLine(horizontalLines[i]);
}
verticalLines.length = horizontalLines.length = 0;
});
canvas.on('mouse:up', function() {
verticalLines.length = horizontalLines.length = 0;
canvas.renderAll();
});
}