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set font size and color on annotation layer

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use the default appearance to set the font size and color of a text
annotation widget
This commit is contained in:
Dominik Hufnagel 2021-01-21 22:33:43 +01:00
parent 6ffb6b1c0c
commit c5083cda02
5 changed files with 30 additions and 41 deletions
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17
src/core/annotation.js
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@ -997,9 +997,7 @@ class WidgetAnnotation extends Annotation {
data.defaultAppearance = isString(defaultAppearance)
? defaultAppearance
: "";
this._defaultAppearanceData = parseDefaultAppearance(
data.defaultAppearance
);
data.defaultAppearanceData = parseDefaultAppearance(data.defaultAppearance);
const fieldType = getInheritableProperty({ dict, key: "FT" });
data.fieldType = isName(fieldType) ? fieldType.name : null;
@ -1294,7 +1292,7 @@ class WidgetAnnotation extends Annotation {
// Doing so prevents exceptions and allows saving/printing
// the file as expected.
this.data.defaultAppearance = "/Helvetica 0 Tf 0 g";
this._defaultAppearanceData = parseDefaultAppearance(
this.data.defaultAppearanceData = parseDefaultAppearance(
this.data.defaultAppearance
);
}
@ -1377,7 +1375,7 @@ class WidgetAnnotation extends Annotation {
},
};
const { fontName, fontSize } = this._defaultAppearanceData;
const { fontName, fontSize } = this.data.defaultAppearanceData;
await evaluator.handleSetFont(
this._fieldResources.mergedResources,
[fontName, fontSize],
@ -1392,9 +1390,9 @@ class WidgetAnnotation extends Annotation {
}
_computeFontSize(font, height) {
let fontSize = this._defaultAppearanceData.fontSize;
let fontSize = this.data.defaultAppearanceData.fontSize;
if (!fontSize) {
const { fontColor, fontName } = this._defaultAppearanceData;
const { fontColor, fontName } = this.data.defaultAppearanceData;
let capHeight;
if (font.capHeight) {
capHeight = font.capHeight;
@ -1456,7 +1454,7 @@ class WidgetAnnotation extends Annotation {
PDFJSDev.test("!PRODUCTION || TESTING")
) {
assert(
this._defaultAppearanceData,
this.data.defaultAppearanceData,
"Expected `_defaultAppearanceData` to have been set."
);
}
@ -1467,7 +1465,8 @@ class WidgetAnnotation extends Annotation {
} = this._fieldResources;
const fontNameStr =
this._defaultAppearanceData && this._defaultAppearanceData.fontName.name;
this.data.defaultAppearanceData &&
this.data.defaultAppearanceData.fontName.name;
if (!fontNameStr) {
return localResources || Dict.empty;
}