mirror/html2canvas
1
0
Fork 0
mirror of https://github.com/niklasvh/html2canvas.git synced 2023-08-10 21:13:10 +03:00
Code Issues Projects Releases Wiki Activity

make box-shadow with offset more consistent

Browse Source
This commit is contained in:
heyoubiao 2020-09-25 18:14:06 +08:00
parent 5623b0651f
commit ac3fee3ad8
1 changed files with 5 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
src/render/canvas/canvas-renderer.ts
View File

@ -483,6 +483,7 @@ export class CanvasRenderer {
mask(paths: Path[]) {
this.ctx.beginPath();
this.ctx.save();
// reset tranform to identity
this.ctx.setTransform(1, 0, 0, 1, 0, 0);
this.ctx.moveTo(0, 0);
this.ctx.lineTo(this.canvas.width, 0);
@ -675,8 +676,8 @@ export class CanvasRenderer {
const maskOffset = shadow.inset ? 0 : MASK_OFFSET;
const shadowPaintingArea = transformPath(
borderBoxArea,
-maskOffset + (shadow.inset ? 1 : -1) * shadow.spread.number,
(shadow.inset ? 1 : -1) * shadow.spread.number,
shadow.offsetX.number - maskOffset + (shadow.inset ? 1 : -1) * shadow.spread.number,
shadow.offsetY.number + (shadow.inset ? 1 : -1) * shadow.spread.number,
shadow.spread.number * (shadow.inset ? -2 : 2),
shadow.spread.number * (shadow.inset ? -2 : 2)
);
@ -691,8 +692,8 @@ export class CanvasRenderer {
this.path(shadowPaintingArea);
}
this.ctx.shadowOffsetX = shadow.offsetX.number + maskOffset;
this.ctx.shadowOffsetY = shadow.offsetY.number;
this.ctx.shadowOffsetX = maskOffset;
this.ctx.shadowOffsetY = 0;
this.ctx.shadowColor = asString(shadow.color);
this.ctx.shadowBlur = shadow.blur.number;
this.ctx.fillStyle = shadow.inset ? asString(shadow.color) : 'rgba(0,0,0,1)';