mirrors/pdf.js
1
0
Fork 0
mirror of https://github.com/mozilla/pdf.js.git synced 2025-04-25 17:48:07 +02:00
Code Activity

Ensure that PartialEvaluator_extractWidths is able to handle indirect objects in all kinds of "width" data (issue 7855)

Browse source 
Fixes 7855.
This commit is contained in:
Jonas Jenwald 2016-11-29 18:28:32 +01:00
parent 451956c0b1
commit c5b06cb40d
4 changed files with 24 additions and 8 deletions
Download patch file Download diff file Expand all files Collapse all files

24
src/core/evaluator.js
View file

@ -1997,14 +1997,14 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
widths = dict.get('W');
if (widths) {
for (i = 0, ii = widths.length; i < ii; i++) {
start = widths[i++];
start = xref.fetchIfRef(widths[i++]);
code = xref.fetchIfRef(widths[i]);
if (isArray(code)) {
for (j = 0, jj = code.length; j < jj; j++) {
glyphsWidths[start++] = code[j];
glyphsWidths[start++] = xref.fetchIfRef(code[j]);
}
} else {
var width = widths[++i];
var width = xref.fetchIfRef(widths[++i]);
for (j = start; j <= code; j++) {
glyphsWidths[j] = width;
}
@ -2013,19 +2013,27 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
}
if (properties.vertical) {
var vmetrics = (dict.get('DW2') || [880, -1000]);
var vmetrics = dict.getArray('DW2') || [880, -1000];
defaultVMetrics = [vmetrics[1], defaultWidth * 0.5, vmetrics[0]];
vmetrics = dict.get('W2');
if (vmetrics) {
for (i = 0, ii = vmetrics.length; i < ii; i++) {
start = vmetrics[i++];
start = xref.fetchIfRef(vmetrics[i++]);
code = xref.fetchIfRef(vmetrics[i]);
if (isArray(code)) {
for (j = 0, jj = code.length; j < jj; j++) {
glyphsVMetrics[start++] = [code[j++], code[j++], code[j]];
glyphsVMetrics[start++] = [
xref.fetchIfRef(code[j++]),
xref.fetchIfRef(code[j++]),
xref.fetchIfRef(code[j])
];
}
} else {
var vmetric = [vmetrics[++i], vmetrics[++i], vmetrics[++i]];
var vmetric = [
xref.fetchIfRef(vmetrics[++i]),
xref.fetchIfRef(vmetrics[++i]),
xref.fetchIfRef(vmetrics[++i])
];
for (j = start; j <= code; j++) {
glyphsVMetrics[j] = vmetric;
}
@ -2039,7 +2047,7 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
if (widths) {
j = firstChar;
for (i = 0, ii = widths.length; i < ii; i++) {
glyphsWidths[j++] = widths[i];
glyphsWidths[j++] = xref.fetchIfRef(widths[i]);
}
defaultWidth = (parseFloat(descriptor.get('MissingWidth')) || 0);
} else {