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Renderer - Draw text if a font can't be loaded #12711

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Renderer - Draw text if a font can't be loaded #12711

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5405500
Draw text if the font can't be loaded.
dsherret Dec 9, 2020
fde426d
Revert hasOwnProperty check and use null instead.
dsherret Dec 9, 2020
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4 changes: 2 additions & 2 deletions src/display/canvas.js
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Original file line number Diff line number Diff line change
Expand Up @@ -1592,10 +1592,10 @@ const CanvasGraphics = (function CanvasGraphicsClosure() {

let addToPath;
if (font.disableFontFace || isAddToPathSet || patternFill) {
addToPath = font.getPathGenerator(this.commonObjs, character);
addToPath = font.tryGetPathGenerator(this.commonObjs, character);
}

if (font.disableFontFace || patternFill) {
if (addToPath && (font.disableFontFace || patternFill)) {
ctx.save();
ctx.translate(x, y);
ctx.beginPath();
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8 changes: 3 additions & 5 deletions src/display/font_loader.js
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Original file line number Diff line number Diff line change
Expand Up @@ -393,7 +393,7 @@ class FontFaceObject {
return rule;
}

getPathGenerator(objs, character) {
tryGetPathGenerator(objs, character) {
if (this.compiledGlyphs[character] !== undefined) {
return this.compiledGlyphs[character];
}
Expand All @@ -410,11 +410,9 @@ class FontFaceObject {
featureId: UNSUPPORTED_FEATURES.errorFontGetPath,
});
}
warn(`getPathGenerator - ignoring character: "${ex}".`);
warn(`tryGetPathGenerator - ignoring character: "${ex}".`);

return (this.compiledGlyphs[character] = function (c, size) {
// No-op function, to allow rendering to continue.
});
return (this.compiledGlyphs[character] = null);
}

// If we can, compile cmds into JS for MAXIMUM SPEED...
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