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adding image to pdf

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adding image to pdf 7 years 4 months ago #11584

Shades Topic Author Offline User is blocked Posts: 37 Thank you received: 0	Hi, Need your help please to be able to add an image without alpha: CGRect drawRect = CGRectMake(100, 0, 300, 300); UIImage *img =[UIImage imageWithData:data]; if(img){ CGContextDrawImage(context, drawRect, img.CGImage); } After that I am not able to see the image added even after invoking [m_view vRenderSync:page]; Thank you for your help
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adding image to pdf 7 years 4 months ago #11585

stronglee Offline Premium Member Posts: 93 Thank you received: 2	Hi， did you check context is nil ? and are you calling UIGraphicsGetCurrentContext() inside of the drawRect method? As far as I know, it can only be called within drawRect, otherwise it will just return nil. I tried your method add into drawRect method ,it works.
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adding image to pdf 7 years 4 months ago #11586

stronglee Offline Premium Member Posts: 93 Thank you received: 2	If you want add image annot to PDF files,you can try AddAnnotBitmap method
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adding image to pdf 7 years 4 months ago #11587

Shades Topic Author Offline User is blocked Posts: 37 Thank you received: 0	Thank you for your reply with AddAnnotBitmap,the image doesn't keep the transparent background .( the background is always white )That's why I am trying other methods.
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adding image to pdf 7 years 3 months ago #11594

emanuele Offline User is blocked Posts: 580 Thank you received: 67	Hi, you can download the new beta version here , with the new PDFDoc method: [PDFDoc newImage] that uses a CGImageRef to create a PDFDocImage object. Here is an example: // Get PDFDocImage instance from CGImageRef (keeping alpha channel) PDFDocImage *i = [m_doc newImage:ref :YES]; // Add the image [page addAnnotBitmap:i :&rect]; The following user(s) said Thank You: Shades
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adding image to pdf 7 years 3 months ago #11597

Shades Topic Author Offline User is blocked Posts: 37 Thank you received: 0	Thank you very much for your help !!
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