Marmelator/pdf.js.mirror
1
0
Fork 0
mirror of https://github.com/mozilla/pdf.js.git synced 2026-08-02 20:37:21 +02:00
Code Issues Packages Projects Releases Wiki Activity

Use the MathClamp helper function in the src/display/canvas.js file

Browse Source
This commit is contained in:
Jonas Jenwald 2026-05-31 11:07:41 +02:00
parent 145feeaa3f
commit 0e1660700a
1 changed files with 2 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
src/display/canvas.js
View File

@ -45,6 +45,7 @@ import {
TilingPattern, TilingPattern,
} from "./pattern_helper.js"; } from "./pattern_helper.js";
import { convertBlackAndWhiteToRGBA } from "../shared/image_utils.js"; import { convertBlackAndWhiteToRGBA } from "../shared/image_utils.js";
import { MathClamp } from "../shared/math_clamp.js";
// <canvas> contexts store most of the state we need natively. // <canvas> contexts store most of the state we need natively.
// However, PDF needs a bit more state, which we store here. // However, PDF needs a bit more state, which we store here.
@ -2481,12 +2482,7 @@ class CanvasGraphics {
// Keeping the font at minimal size and using the fontSizeScale to change // Keeping the font at minimal size and using the fontSizeScale to change
// the current transformation matrix before the fillText/strokeText. // the current transformation matrix before the fillText/strokeText.
// See https://bugzilla.mozilla.org/show_bug.cgi?id=726227 // See https://bugzilla.mozilla.org/show_bug.cgi?id=726227
let browserFontSize = size; const browserFontSize = MathClamp(size, MIN_FONT_SIZE, MAX_FONT_SIZE);
if (size < MIN_FONT_SIZE) {
browserFontSize = MIN_FONT_SIZE;
} else if (size > MAX_FONT_SIZE) {
browserFontSize = MAX_FONT_SIZE;
}
this.current.fontSizeScale = size / browserFontSize; this.current.fontSizeScale = size / browserFontSize;
this.ctx.font = `${italic} ${bold} ${browserFontSize}px ${typeface}`; this.ctx.font = `${italic} ${bold} ${browserFontSize}px ${typeface}`;