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jsketch
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Improved drawing performance

This commit is contained in:
Luis Leiva 2017-11-19 20:38:43 +01:00
parent 1a2328cc9f
commit 7ede4879fd
2 changed files with 14 additions and 8 deletions
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11
jquery.sketchable.js
View File

@ -474,14 +474,16 @@
// Exit early if interactivity is disabled.
if (!options.interactive) return;
data.sketch.isDrawing = true;
var p = getMousePos(e);
// Mark visually 1st point of stroke.
if (options.graphics.firstPointSize > 0) {
data.sketch.beginFill(options.graphics.fillStyle).fillCircle(p.x, p.y, options.graphics.firstPointSize).endFill();
}
data.sketch.isDrawing = true;
data.sketch.beginPath();
// Ensure that coords is properly initialized.
var coords = data.coords[idx];
if (!coords) coords = [];
@ -515,7 +517,7 @@
var coords = data.coords[idx];
var last = coords[coords.length - 1];
if (last) {
var brush = data.sketch.beginPath();
var brush = data.sketch;
if (data.sketch.isDrawing) {
// Style for regular, pendown strokes.
brush.lineStyle(options.graphics.strokeStyle, options.graphics.lineWidth);
@ -523,7 +525,7 @@
// Style for penup strokes.
brush.lineStyle(options.mouseupMovements.strokeStyle || '#DDD', options.mouseupMovements.lineWidth || 1);
}
brush.line(last[0], last[1], p.x, p.y).stroke().closePath();
brush.line(last[0], last[1], p.x, p.y).stroke();
}
saveMousePos(idx, data, p);
@ -545,6 +547,7 @@
if (!options.interactive) return;
data.sketch.isDrawing = false;
data.sketch.closePath();
data.strokes.push(data.coords[idx]);
data.coords[idx] = [];

11
sketchable.js
View File

@ -467,14 +467,16 @@
// Exit early if interactivity is disabled.
if (!options.interactive) return;
data.sketch.isDrawing = true;
var p = getMousePos(e);
// Mark visually 1st point of stroke.
if (options.graphics.firstPointSize > 0) {
data.sketch.beginFill(options.graphics.fillStyle).fillCircle(p.x, p.y, options.graphics.firstPointSize).endFill();
}
data.sketch.isDrawing = true;
data.sketch.beginPath();
// Ensure that coords is properly initialized.
var coords = data.coords[idx];
if (!coords) coords = [];
@ -508,7 +510,7 @@
var coords = data.coords[idx];
var last = coords[coords.length - 1];
if (last) {
var brush = data.sketch.beginPath();
var brush = data.sketch;
if (data.sketch.isDrawing) {
// Style for regular, pendown strokes.
brush.lineStyle(options.graphics.strokeStyle, options.graphics.lineWidth);
@ -516,7 +518,7 @@
// Style for penup strokes.
brush.lineStyle(options.mouseupMovements.strokeStyle || '#DDD', options.mouseupMovements.lineWidth || 1);
}
brush.line(last[0], last[1], p.x, p.y).stroke().closePath();
brush.line(last[0], last[1], p.x, p.y).stroke();
}
saveMousePos(idx, data, p);
@ -538,6 +540,7 @@
if (!options.interactive) return;
data.sketch.isDrawing = false;
data.sketch.closePath();
data.strokes.push(data.coords[idx]);
data.coords[idx] = [];