Merging upstream version 115.11.0esr.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

2 files changed, 128 insertions, 76 deletions

diff --git a/toolkit/components/pdfjs/content/build/pdf.js b/toolkit/components/pdfjs/content/build/pdf.js
index 017a45914e..d2034d412b 100644
--- a/toolkit/components/pdfjs/content/build/pdf.js
+++ b/toolkit/components/pdfjs/content/build/pdf.js
@@ -829,6 +829,18 @@ function normalizeUnicode(str) {
     return p1 ? p1.normalize("NFKC") : NormalizationMap.get(p2);
   });
 }
+const FontRenderOps = {
+  BEZIER_CURVE_TO: 0,
+  MOVE_TO: 1,
+  LINE_TO: 2,
+  QUADRATIC_CURVE_TO: 3,
+  RESTORE: 4,
+  SAVE: 5,
+  SCALE: 6,
+  TRANSFORM: 7,
+  TRANSLATE: 8
+};
+exports.FontRenderOps = FontRenderOps;
 
 /***/ }),
 /* 2 */
@@ -965,7 +977,6 @@ function getDocument(src) {
   };
   const transportParams = {
     ignoreErrors,
-    isEvalSupported,
     disableFontFace,
     fontExtraProperties,
     enableXfa,
@@ -2153,7 +2164,6 @@ class WorkerTransport {
           }
           const inspectFont = params.pdfBug && globalThis.FontInspector?.enabled ? (font, url) => globalThis.FontInspector.fontAdded(font, url) : null;
           const font = new _font_loader.FontFaceObject(exportedData, {
-            isEvalSupported: params.isEvalSupported,
             disableFontFace: params.disableFontFace,
             ignoreErrors: params.ignoreErrors,
             inspectFont
@@ -4760,7 +4770,6 @@ class FontLoader {
 exports.FontLoader = FontLoader;
 class FontFaceObject {
   constructor(translatedData, {
-    isEvalSupported = true,
     disableFontFace = false,
     ignoreErrors = false,
     inspectFont = null
@@ -4769,7 +4778,6 @@ class FontFaceObject {
     for (const i in translatedData) {
       this[i] = translatedData[i];
     }
-    this.isEvalSupported = isEvalSupported !== false;
     this.disableFontFace = disableFontFace === true;
     this.ignoreErrors = ignoreErrors === true;
     this._inspectFont = inspectFont;
@@ -4824,22 +4832,72 @@ class FontFaceObject {
         throw ex;
       }
       (0, _util.warn)(`getPathGenerator - ignoring character: "${ex}".`);
-      return this.compiledGlyphs[character] = function (c, size) {};
     }
-    if (this.isEvalSupported && _util.FeatureTest.isEvalSupported) {
-      const jsBuf = [];
-      for (const current of cmds) {
-        const args = current.args !== undefined ? current.args.join(",") : "";
-        jsBuf.push("c.", current.cmd, "(", args, ");\n");
-      }
-      return this.compiledGlyphs[character] = new Function("c", "size", jsBuf.join(""));
+    if (!Array.isArray(cmds) || cmds.length === 0) {
+      return this.compiledGlyphs[character] = function (c, size) {};
     }
-    return this.compiledGlyphs[character] = function (c, size) {
-      for (const current of cmds) {
-        if (current.cmd === "scale") {
-          current.args = [size, -size];
-        }
-        c[current.cmd].apply(c, current.args);
+     const commands = [];
+     for (let i = 0, ii = cmds.length; i < ii;) {
+       switch (cmds[i++]) {
+         case _util.FontRenderOps.BEZIER_CURVE_TO:
+           {
+             const [a, b, c, d, e, f] = cmds.slice(i, i + 6);
+             commands.push(ctx => ctx.bezierCurveTo(a, b, c, d, e, f));
+             i += 6;
+           }
+           break;
+         case _util.FontRenderOps.MOVE_TO:
+           {
+             const [a, b] = cmds.slice(i, i + 2);
+             commands.push(ctx => ctx.moveTo(a, b));
+             i += 2;
+           }
+           break;
+         case _util.FontRenderOps.LINE_TO:
+           {
+             const [a, b] = cmds.slice(i, i + 2);
+             commands.push(ctx => ctx.lineTo(a, b));
+             i += 2;
+           }
+           break;
+         case _util.FontRenderOps.QUADRATIC_CURVE_TO:
+           {
+             const [a, b, c, d] = cmds.slice(i, i + 4);
+             commands.push(ctx => ctx.quadraticCurveTo(a, b, c, d));
+             i += 4;
+           }
+           break;
+         case _util.FontRenderOps.RESTORE:
+           commands.push(ctx => ctx.restore());
+           break;
+         case _util.FontRenderOps.SAVE:
+           commands.push(ctx => ctx.save());
+           break;
+         case _util.FontRenderOps.SCALE:
+           _util.assert(commands.length === 2, "Scale command is only valid at the third position.");
+           break;
+         case _util.FontRenderOps.TRANSFORM:
+           {
+             const [a, b, c, d, e, f] = cmds.slice(i, i + 6);
+             commands.push(ctx => ctx.transform(a, b, c, d, e, f));
+             i += 6;
+           }
+           break;
+         case _util.FontRenderOps.TRANSLATE:
+           {
+             const [a, b] = cmds.slice(i, i + 2);
+             commands.push(ctx => ctx.translate(a, b));
+             i += 2;
+           }
+           break;
+       }
+     }
+     return this.compiledGlyphs[character] = function glyphDrawer(ctx, size) {
+       commands[0](ctx);
+       commands[1](ctx);
+       ctx.scale(size, -size);
+       for (let i = 2, ii = commands.length; i < ii; i++) {
+         commands[i](ctx);
       }
     };
   }
diff --git a/toolkit/components/pdfjs/content/build/pdf.worker.js b/toolkit/components/pdfjs/content/build/pdf.worker.js
index 62305d24a9..87999f64a6 100644
--- a/toolkit/components/pdfjs/content/build/pdf.worker.js
+++ b/toolkit/components/pdfjs/content/build/pdf.worker.js
@@ -1421,6 +1421,18 @@ function normalizeUnicode(str) {
     return p1 ? p1.normalize("NFKC") : NormalizationMap.get(p2);
   });
 }
+const FontRenderOps = {
+  BEZIER_CURVE_TO: 0,
+  MOVE_TO: 1,
+  LINE_TO: 2,
+  QUADRATIC_CURVE_TO: 3,
+  RESTORE: 4,
+  SAVE: 5,
+  SCALE: 6,
+  TRANSFORM: 7,
+  TRANSLATE: 8
+};
+exports.FontRenderOps = FontRenderOps;
 
 /***/ }),
 /* 3 */
@@ -11304,6 +11316,10 @@ class PartialEvaluator {
         systemFontInfo = (0, _font_substitutions.getFontSubstitution)(this.systemFontCache, this.idFactory, this.options.standardFontDataUrl, fontName.name, standardFontName);
       }
     }
+     let fontMatrix = dict.getArray("FontMatrix");
+     if (!Array.isArray(fontMatrix) || fontMatrix.length !== 6 || fontMatrix.some(x => typeof x !== "number")) {
+       fontMatrix = _util.FONT_IDENTITY_MATRIX;
+     }
     properties = {
       type,
       name: fontName.name,
@@ -11316,7 +11332,7 @@ class PartialEvaluator {
       loadedName: baseDict.loadedName,
       composite,
       fixedPitch: false,
-      fontMatrix: dict.getArray("FontMatrix") || _util.FONT_IDENTITY_MATRIX,
+      fontMatrix,
       firstChar,
       lastChar,
       toUnicode,
@@ -30781,22 +30797,13 @@ function lookupCmap(ranges, unicode) {
 }
 function compileGlyf(code, cmds, font) {
   function moveTo(x, y) {
-    cmds.push({
-      cmd: "moveTo",
-      args: [x, y]
-    });
+    cmds.add(_util.FontRenderOps.MOVE_TO, [x, y]);
   }
   function lineTo(x, y) {
-    cmds.push({
-      cmd: "lineTo",
-      args: [x, y]
-    });
+    cmds.add(_util.FontRenderOps.LINE_TO, [x, y]);
   }
   function quadraticCurveTo(xa, ya, x, y) {
-    cmds.push({
-      cmd: "quadraticCurveTo",
-      args: [xa, ya, x, y]
-    });
+    cmds.add(_util.FontRenderOps.QUADRATIC_CURVE_TO, [xa, ya, x, y]);
   }
   let i = 0;
   const numberOfContours = getInt16(code, i);
@@ -30855,17 +30862,11 @@ function compileGlyf(code, cmds, font) {
       }
       const subglyph = font.glyphs[glyphIndex];
       if (subglyph) {
-        cmds.push({
-          cmd: "save"
-        }, {
-          cmd: "transform",
-          args: [scaleX, scale01, scale10, scaleY, x, y]
-        });
+        cmds.add(_util.FontRenderOps.SAVE);
+        cmds.add(_util.FontRenderOps.TRANSFORM, [scaleX, scale01, scale10, scaleY, x, y]);
         if (!(flags & 0x02)) {}
         compileGlyf(subglyph, cmds, font);
-        cmds.push({
-          cmd: "restore"
-        });
+        cmds.add(_util.FontRenderOps.RESTORE);
       }
     } while (flags & 0x20);
   } else {
@@ -30955,22 +30956,13 @@ function compileGlyf(code, cmds, font) {
 }
 function compileCharString(charStringCode, cmds, font, glyphId) {
   function moveTo(x, y) {
-    cmds.push({
-      cmd: "moveTo",
-      args: [x, y]
-    });
+    cmds.add(_util.FontRenderOps.MOVE_TO, [x, y]);
   }
   function lineTo(x, y) {
-    cmds.push({
-      cmd: "lineTo",
-      args: [x, y]
-    });
+    cmds.add(_util.FontRenderOps.LINE_TO, [x, y]);
   }
   function bezierCurveTo(x1, y1, x2, y2, x, y) {
-    cmds.push({
-      cmd: "bezierCurveTo",
-      args: [x1, y1, x2, y2, x, y]
-    });
+    cmds.add(_util.FontRenderOps.BEZIER_CURVE_TO, [x1, y1, x2, y2, x, y]);
   }
   const stack = [];
   let x = 0,
@@ -31140,17 +31132,11 @@ function compileCharString(charStringCode, cmds, font, glyphId) {
             const bchar = stack.pop();
             y = stack.pop();
             x = stack.pop();
-            cmds.push({
-              cmd: "save"
-            }, {
-              cmd: "translate",
-              args: [x, y]
-            });
+            cmds.add(_util.FontRenderOps.SAVE);
+            cmds.add(_util.FontRenderOps.TRANSLATE, [x, y]);
             let cmap = lookupCmap(font.cmap, String.fromCharCode(font.glyphNameMap[_encodings.StandardEncoding[achar]]));
             compileCharString(font.glyphs[cmap.glyphId], cmds, font, cmap.glyphId);
-            cmds.push({
-              cmd: "restore"
-            });
+            cmds.add(_util.FontRenderOps.RESTORE);
             cmap = lookupCmap(font.cmap, String.fromCharCode(font.glyphNameMap[_encodings.StandardEncoding[bchar]]));
             compileCharString(font.glyphs[cmap.glyphId], cmds, font, cmap.glyphId);
           }
@@ -31317,6 +31303,22 @@ function compileCharString(charStringCode, cmds, font, glyphId) {
   parse(charStringCode);
 }
 const NOOP = [];
+class Commands {
+  cmds = [];
+  add(cmd, args) {
+    if (args) {
+      if (args.some(arg => typeof arg !== "number")) {
+        warn(`Commands.add - "${cmd}" has at least one non-number arg: "${args}".`);
+        const newArgs = args.map(arg => typeof arg === "number" ? arg : 0);
+        this.cmds.push(cmd, ...newArgs);
+      } else {
+        this.cmds.push(cmd, ...args);
+      }
+    } else {
+      this.cmds.push(cmd);
+    }
+  }
+}
 class CompiledFont {
   constructor(fontMatrix) {
     if (this.constructor === CompiledFont) {
@@ -31334,8 +31336,7 @@ class CompiledFont {
     let fn = this.compiledGlyphs[glyphId];
     if (!fn) {
       try {
-        fn = this.compileGlyph(this.glyphs[glyphId], glyphId);
-        this.compiledGlyphs[glyphId] = fn;
+        fn = this.compiledGlyphs[glyphId] = this.compileGlyph(this.glyphs[glyphId], glyphId);
       } catch (ex) {
         this.compiledGlyphs[glyphId] = NOOP;
         if (this.compiledCharCodeToGlyphId[charCode] === undefined) {
@@ -31363,20 +31364,13 @@ class CompiledFont {
         (0, _util.warn)("Invalid fd index for glyph index.");
       }
     }
-    const cmds = [{
-      cmd: "save"
-    }, {
-      cmd: "transform",
-      args: fontMatrix.slice()
-    }, {
-      cmd: "scale",
-      args: ["size", "-size"]
-    }];
+    const cmds = new Commands();
+    cmds.add(_util.FontRenderOps.SAVE);
+    cmds.add(_util.FontRenderOps.TRANSFORM, fontMatrix.slice());
+    cmds.add(_util.FontRenderOps.SCALE);
     this.compileGlyphImpl(code, cmds, glyphId);
-    cmds.push({
-      cmd: "restore"
-    });
-    return cmds;
+    cmds.add(_util.FontRenderOps.RESTORE);
+    return cmds.cmds;
   }
   compileGlyphImpl() {
     (0, _util.unreachable)("Children classes should implement this.");