Link to PDF file (or attach file here):
https://issues.apache.org/jira/secure/attachment/12650283/000004_ShadingPatternTextPDF.pdf

Configuration:
- Web browser and its version: FF 51.0.1 32bit
- Operating system and its version: W7
- PDF.js version: latest

Steps to reproduce the problem:
display file

What is the expected behavior? (add screenshot)
![ok](https://cloud.githubusercontent.com/assets/6665575/23339534/5ff2de9c-fc25-11e6-837e-0fdaf81b4ca9.png)

What went wrong? (add screenshot)
![nok](https://cloud.githubusercontent.com/assets/6665575/23339536/63f7a37e-fc25-11e6-813c-cc218cc4def3.png)

possibly similar problem:
https://www.pdflib.com/fileadmin/pdflib/Cookbook/pdf/color_gradient.pdf (shaded text completely missing)
https://issues.apache.org/jira/secure/attachment/12630566/pslib-shading.pdf (page 4, part of text missing)
https://issues.apache.org/jira/secure/attachment/12652009/pattern-shading-2-4-idMatrix.pdf (some text missing)
https://issues.apache.org/jira/secure/attachment/12652010/pattern-shading-2-4-noMatrix.pdf (some text missing)

if (!this.contentVisible) {
      return;
    }
    const ctx = this.ctx;
    const width = img.width,
      height = img.height;
    const glyph = this.processingType3;
    if (COMPILE_TYPE3_GLYPHS && glyph && glyph.compiled === undefined) {
      if (width <= MAX_SIZE_TO_COMPILE && height <= MAX_SIZE_TO_COMPILE) {
        glyph.compiled = compileType3Glyph({ data: img.data, width, height });
      } else {
        glyph.compiled = null;
      }
    }
    if (glyph?.compiled) {
      glyph.compiled(ctx);
      return;
    }
    const mask = this._createMaskCanvas(img);
    const maskCanvas = mask.canvas;
    ctx.save();
    
    
    ctx.setTransform(1, 0, 0, 1, 0, 0);
    ctx.drawImage(maskCanvas, mask.offsetX, mask.offsetY);
    ctx.restore();
    this.compose();
  }
  paintImageMaskXObjectRepeat(