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how to add a picture 8 years 9 months ago #9356

ecosignitchile Topic Author Offline New Member Posts: 10 Thank you received: 0	Hi , i need to add a picture like a stamp ... what is the method to do it ? thanks !
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how to add a picture 8 years 8 months ago #9365

stronglee Offline Premium Member Posts: 93 Thank you received: 2	Hi, PDFPage class have method -(bool)addAnnotBitmap:(CGImageRef) bitmap :(bool) has_alpha :(const PDF_RECT *) rect; have try
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how to add a picture 8 years 8 months ago #9377

ecosignitchile Topic Author Offline New Member Posts: 10 Thank you received: 0	thanks ! can you show me an example please : ) ???
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how to add a picture 8 years 8 months ago #9382

emanuele
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Posts: 580
Thank you received: 67

Hi,

here is an example to add a picture in the current page (you can add this method in PDFView class):

- (void)vAddImage:(NSString *)image withRect:(PDF_RECT)rect
{
    NSString *tp = NSTemporaryDirectory();
    tp = [tp stringByAppendingPathComponent:@"cache.dat"];
    [m_doc setCache:tp];
    
    PDFPage *page = [m_doc page:m_cur_page];
    
    CGImageRef ref = [[UIImage imageNamed:image] CGImage];
    
    [page addAnnotBitmap:ref :NO :&rect];
    
    [m_view vRenderSync:m_cur_page];
    [self refresh];
    [m_doc save];
}

the first part set the cache file (is needed to add an image).

I tried that method with this simple code:

PDF_RECT rect;
    
    rect.left = 100;
    rect.right = 57;
    rect.top = 100;
    rect.bottom = 57;
    
    [m_view vAddImage:@"icon57.png" withRect:rect];

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how to add a picture 8 years 8 months ago #9384

ecosignitchile Topic Author Offline New Member Posts: 10 Thank you received: 0	thanks i get errors on this lines : [m_view vRenderSync:m_cur_page]; where do i get page number ? [m_view vRenderSync:m_cur_page]; vRenderSync this method looks like doesn't exist [self refresh]; dont know : ) thanks !
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how to add a picture 8 years 8 months ago #9385

emanuele Offline User is blocked Posts: 580 Thank you received: 67	To use this method without errors, you should add it in PDFView.m
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