How to use PDFView to addAnnotBitmap in 2.1.0 - RadaeePDF.com
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13 Jul 2017
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TOPIC: How to use PDFView to addAnnotBitmap in 2.1.0

How to use PDFView to addAnnotBitmap in 2.1.0 4 years 7 months ago #6097

  • chpike
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I added method in PDFPage Class.
Method is as Follows
- (BOOL)addAnnotBitmap:(PDF_MATRIX)matrix :(CGImageRef)bitmap :(BOOL)has_alpha :(const PDF_RECT *)rect  {
    return Page_addAnnotBitmap(m_page, matrix, bitmap, has_alpha, rect);
}

And I added method in PDFView Class.
Method is as Follows
- (void)addImageWithImage:(UIImage *)image1
{
    
    UIImage *image = [UIImage imageNamed:@"test.png"];
    
    CGImageRef cgimage = image.CGImage;
    
    size_t width  = CGImageGetWidth(cgimage);
    size_t height = CGImageGetHeight(cgimage);
    
    size_t bpr = CGImageGetBytesPerRow(cgimage);
    size_t bpp = CGImageGetBitsPerPixel(cgimage);
    size_t bpc = CGImageGetBitsPerComponent(cgimage);
    size_t bytes_per_pixel = bpp / bpc;
    
    CGBitmapInfo info = CGImageGetBitmapInfo(cgimage);
    
    NSLog(
          @"\n"
          "===== %@ =====\n"
          "CGImageGetHeight: %d\n"
          "CGImageGetWidth:  %d\n"
          "CGImageGetColorSpace: %@\n"
          "CGImageGetBitsPerPixel:     %d\n"
          "CGImageGetBitsPerComponent: %d\n"
          "CGImageGetBytesPerRow:      %d\n"
          "CGImageGetBitmapInfo: 0x%.8X\n"
          "  kCGBitmapAlphaInfoMask     = %s\n"
          "  kCGBitmapFloatComponents   = %s\n"
          "  kCGBitmapByteOrderMask     = 0x%.8X\n"
          "  kCGBitmapByteOrderDefault  = %s\n"
          "  kCGBitmapByteOrder16Little = %s\n"
          "  kCGBitmapByteOrder32Little = %s\n"
          "  kCGBitmapByteOrder16Big    = %s\n"
          "  kCGBitmapByteOrder32Big    = %s\n",
          @"stamp",
          (int)width,
          (int)height,
          CGImageGetColorSpace(cgimage),
          (int)bpp,
          (int)bpc,
          (int)bpr,
          (unsigned)info,
          (info & kCGBitmapAlphaInfoMask)     ? "YES" : "NO",
          (info & kCGBitmapFloatComponents)   ? "YES" : "NO",
          (info & kCGBitmapByteOrderMask),
          ((info & kCGBitmapByteOrderMask) == kCGBitmapByteOrderDefault)  ? "YES" : "NO",
          ((info & kCGBitmapByteOrderMask) == kCGBitmapByteOrder16Little) ? "YES" : "NO",
          ((info & kCGBitmapByteOrderMask) == kCGBitmapByteOrder32Little) ? "YES" : "NO",
          ((info & kCGBitmapByteOrderMask) == kCGBitmapByteOrder16Big)    ? "YES" : "NO",
          ((info & kCGBitmapByteOrderMask) == kCGBitmapByteOrder32Big)    ? "YES" : "NO"
          );
    
    PDFVPage *vpage = [m_view vGetPage:0];
    PDFPage   *page = [vpage GetPage];
    PDFMatrix *mat = [vpage CreateMatrix];
    
    PDF_RECT rectInPDF;
    rectInPDF.left   = 0;
    rectInPDF.top    = 0;
    rectInPDF.right  = rectInPDF.left + image.size.width;
    rectInPDF.bottom = rectInPDF.top  + image.size.height;
    
    [mat invert];
    [mat transformRect:&rectInPDF];
    
    if ([page addAnnotBitmap:mat.handle :image.CGImage :YES :&rectInPDF]) {
        NSLog(@"success");
    } else {
        NSLog(@"fail");
    }
    NSLog(@"annotCount := %d", [page annotCount]);
    
    [m_view vRenderPage:0];
    
    m_modified = true;
    [m_doc save];
    m_status = sta_none;
    m_ink = NULL;
    [self refresh];


}

After adding the code, I received the value that annotation has added, successfully.

But,

I can't see annotation in PDF document also annotation hasn't added.
(And there wasn't no change at value of annotation count)


How bitmap annotation add in PDF document.

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How to use PDFView to addAnnotBitmap in 2.1.0 4 years 6 months ago #6339

  • Rossi
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Hi, I have the same issue. The addAnnotBitmap method return 1 but a see anything. If i look for the last annotation type it return 15 (ink annotation) that is the last annotation that i inserted.
I also tried to use Page_addBitmap but xcode return the following error:
Undefined symbols for architecture i386:
"_Page_addBitmap", referenced from:
so seem there isn't this method.
How can I add image to my pdf?

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How to use PDFView to addAnnotBitmap in 2.1.0 4 years 6 months ago #6375

  • emanuele
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Hi,

please check this answer, I think is the same problem:

http://www.androidpdf.mobi/forum/ios-dev/1791-addannotbitmap-doesn-t-work-in-2-2-0

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