Use positive dimensions for text chunks in the text layer (issue #14415).

Author: calixteman

src/core/evaluator.js

@@ -2367,8 +2367,8 @@ class PartialEvaluator {
       return {
         str,
         dir: bidiResult.dir,
-        width: textChunk.totalWidth,
-        height: textChunk.totalHeight,
+        width: Math.abs(textChunk.totalWidth),
+        height: Math.abs(textChunk.totalHeight),
         transform: textChunk.transform,
         fontName: textChunk.fontName,
         hasEOL: textChunk.hasEOL,
@@ -2484,7 +2484,7 @@ class PartialEvaluator {
               str: " ",
               dir: "ltr",
               width: 0,
-              height: advanceY,
+              height: Math.abs(advanceY),
               transform: textContentItem.prevTransform,
               fontName: textContentItem.fontName,
               hasEOL: false,
@@ -2523,7 +2523,7 @@ class PartialEvaluator {
           textContent.items.push({
             str: " ",
             dir: "ltr",
-            width: advanceX,
+            width: Math.abs(advanceX),
             height: 0,
             transform: textContentItem.prevTransform,
             fontName: textContentItem.fontName,
@@ -2677,8 +2677,8 @@ class PartialEvaluator {
         // TODO: check if using the orientation from last chunk is
         // better or not.
         dir: "ltr",
-        width,
-        height,
+        width: Math.abs(width),
+        height: Math.abs(height),
         transform: transf || getCurrentTextTransform(),
         fontName,
         hasEOL: false,

test/pdfs/.gitignore

@@ -500,3 +500,4 @@
 !poppler-937-0-fuzzed.pdf
 !PDFBOX-3148-2-fuzzed.pdf
 !poppler-90-0-fuzzed.pdf
+!issue14415.pdf

test/pdfs/issue14415.pdf

@@ -6191,5 +6191,11 @@
       "link": true,
       "rounds": 1,
       "type": "eq"
-    }
+    },
+    { "id": "issue14415",
+      "file": "pdfs/issue14415.pdf",
+      "md5": "fa306a250a3d37fe0e7a4b3bba51c91e",
+      "link": true,
+      "type": "text"
+   }
 ]