All Questions
924 questions
-1
votes
3
answers
60
views
How to generate a PDF with a grid of images per page?
Our work involves visually inspecting a number of plots together. All plots of same size. we want to print them in pages to study. Something like a 8.5"x11" paper with 1" margin gives ...
- 7,177
2
votes
1
answer
119
views
Losing image resolution when converting PDF to image and back with PDFBox
I had a Java program written for me that would take a single page 36" high x 48" wide PDF file and would "slice" it into 3 single pages, 12x36, 24x36 and 12x36 of which I would ...
- 23
0
votes
0
answers
24
views
Error with pdf-to-img library in TypeScript (NestJS): "esModule() is not a function"
I'm working on a NestJS project using TypeScript and trying to convert a PDF (from either a stream or a buffer) into images. I decided to use the pdf-to-img library. However, when I try to use the ...
- 83
0
votes
0
answers
63
views
How to Center and Scale Images Proportionally in a PDF Using jspdf Without Quality Loss?
I want to display images within a PDF using jspdf, but I am facing an issue with how the images are being rendered.
Issue:
The image is covering the entire div in the PDF.
Desired Result:
The image ...
- 331
1
vote
0
answers
36
views
FOP internal image processing - inverting colors
I am generating a pdf via xsl/fo.
In that base xml I am using <fo:external-graphic src="path2file">
The image is in TIF-Format and is converted by the internal image process.
The ...
0
votes
1
answer
80
views
Converting pdf to images gives squares in text areas of the converted image
I'm trying to convert pdf to image using the following code, but the conversion is working fine but for each element in the pdf it gives a square over the element like for each text area there is a ...
- 25
0
votes
0
answers
64
views
Image is rendered in white rather than the actual image using react-pdf in node.js
I am having a problem with showing images in my pdf generator that I am using @react-pdf/renderer, I switching the process of creating the PDF from client-side to server-side to reduce the load on the ...
- 13
-1
votes
1
answer
51
views
ImageMagick: shaded colors become total black [closed]
I need to convert a pdf file containing only one image to a .jpeg or .png format using ImageMagick.
This is the image. Original PDF file: https://file.io/WMEsCGtbodwz
Using the command line
convert -...
- 391
1
vote
1
answer
156
views
PyPDF does not give me the right image
I am writing a python program to merge multiple PDFs containing images into one PDF, with the option to select specific pages from PDF source files, specify the order and other things.
I'm using PyPDF ...
1
vote
1
answer
57
views
Im trying to save imge in java as pdf
Here are my imports:
package semestralka;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Image;
import java.awt.image.BufferedImage;
import java.awt....
0
votes
2
answers
151
views
Can I create a clickable hyperlink in a pdf using R magick?
I am using R and magick to create infographics as a PDF and want to inset a clickable hyperlink in the resultant PDF output.
Is this possible to do within magick?
Is there another option where I ...
- 83
0
votes
0
answers
61
views
Conversion from PDF to image fails in ghostscript
I need to convert the first page of a PDF file into an image using GhostScript, but I cannot manage to get an acceptable output file.
I am calling the C++ library (ver. 10.03.0) directly from C# using ...
- 358
0
votes
0
answers
37
views
iText 7. Wrap text around image with TextAlignment.JUSTIFIED case
Is it possible to make justified text alignment with floating image correctly?
Now it looks like this:
My code:
val writer = PdfWriter("HelloWorld.pdf")
val pdf = PdfDocument(writer)
val ...
0
votes
0
answers
217
views
TCPDF - Image on Whole Page
I have a problem with TCPDF, I would like the photo to cover the entire page, but the changes added to the code, i.e. resize, fitbox, fitonpage, do not introduce the desired changes. The photo should ...
0
votes
1
answer
396
views
How to convert multi-page PDF file to image without using pdf2Image?
I am trying to use pdf2image to convert a multi-page PDF to since image variable like it is done in Textractor code so that I can use it in LazyDocument:
import pdf2image
from pdf2image import ...
- 700
1
vote
1
answer
1k
views
Find, Replace and adjust image in PDF's using python
I have code in python which is finding and replacing a image in pdfs, but I'm having hard time adjusting the size of the new image so what the code is doing is finding the old image and it's using the ...
- 41
0
votes
0
answers
195
views
Chrome PDF print image aspect ratio incorrect - very apparent with small images - is there a workaround?
When printing to PDF from Google Chrome, strange things happen to small images.
The images seem to alternate between being stretched or squished horizontally.
It happens to all image types I've tried.
...
- 1,429
0
votes
0
answers
34
views
How to show and change Image inside a Flask Route?
I am Trying to build a Library Management System using flask. The idea is there will be a homepage, where when clicked on a book, we will be redirected to a reader(also written in HTML), which will ...
0
votes
1
answer
145
views
Get black image but i don't know why
The following codes gives me a nearly black image
import fitz
import cv2 #opencv for preprocessing of image
import numpy as np
filename = 'sample_pdf\muscle model\Invoice of muscle model from ...
0
votes
1
answer
2k
views
Using PDF React Renderer, Images do not be displayed when downloaded
I have a strange issue whit React PDF Renderer. I have a document with an Image located on the public folder. There is no problem to displayed the image with de PDFViewer componant.
But If I want to ...
- 81
-1
votes
1
answer
281
views
Images randomly not rendering using wkhtmltopdf or DinkToPdf
When using DinkToPdf, had issues where random pictures would not render whether only 1 image or multiple were in the html being converted. The picture could be moved anywhere in the html, above other ...
- 68
0
votes
1
answer
358
views
MuPDF mutools question: can't get extract to work
Where does MuPDF's mutools put the image files it extracts? The official documentation says "The image and font files will be saved out to the same folder which the file originates from." ...
- 1
0
votes
0
answers
105
views
Image not found in asset catalog - SwiftUI
I have some images on the asset catalog, all of them working fine, but one in particular is giving me trouble.
I have a set of images called "a1", "a2", "a3" and "a4&...
- 29
1
vote
2
answers
400
views
Why do PDFs generated from HTML with images consume significantly more storage than the images themselves?
EDIT: The malfunction in Chromium was caused by a bug, which has since been fixed. Thank you to everyone who contributed to finding the solution!
Why do PDFs generated from HTML with images consume ...
- 439
0
votes
2
answers
76
views
The argument type 'ImageProvider<Object>' can't be assigned to the parameter type 'ImageProvider'
I'm trying to display an Image in a PDF, using the Flutter pdf package.
pw.Image( myImage ),
This line is giving me the error
The argument type 'ImageProvider<Object>' can't be assigned to the ...
- 12.6k
-1
votes
1
answer
58
views
Identifying rectangular ducts and their inside information using Python [closed]
Click to see floor plan image:
I'm a mechanical engineer and new to programming.
I want to identify the different color rectangular ducts and information enclosed in them.
Any help would be greatly ...
0
votes
1
answer
690
views
Flutter Syncfusion PDF and Images failing
I cannot get a document that is created to work at all when I incorporate and image anywhere on the page. It will work when running through the IDE but not once I build the package. I'm running it ...
0
votes
1
answer
130
views
How to read a pdf containing multiple pages as images in Leptonica
Tesseract uses leptonica load images on which to do OCR:
#include <tesseract/baseapi.h>
#include <leptonica/allheaders.h>
int main() {
tesseract::TessBaseAPI *api = new tesseract::...
- 8,572
0
votes
0
answers
886
views
how to reduce the quality of all images in a pdf file using PyMuPDF
I am trying to make the maximum compression of the pdf file.
To do this, I save the open pdf file using the method save(deflate=True, garbage=4, clean=True)
But I also want to reduce the quality of ...
- 29
0
votes
3
answers
308
views
How to insert dynamic picture in PDF Document (ADOBE PRO or FoxIT)
I have a PDF document with one first page where I want to put a image based on the path + filename of the external image-file (JPG).
If I change the picture (keeping path and filename), I want that ...
0
votes
0
answers
316
views
Express.js - pdf2pic generated PNG image from PDFkit buffer stream comes out corrupted
I've created Express.js HTTP server that listens for POST request of body containing text. This text is then used by PDFkit library to generate PDF with the text as a body.
I'm not saving the PDF on ...
- 1,058
0
votes
0
answers
32
views
Image alignment using after doing a document Conversion
private static void DownloadAndConvertToPDF(FileInfo originalFileInfo, string fileLocal, string filePdfName)
{
try
{
try
{
if (originalFileInfo.Extension.Equals(&...
1
vote
0
answers
252
views
Does flying-saucer-pdf-itext5 support the max-width attribute of the img?
I added an attribute max-width to the img tag.
.half-img {
max-width: 283px;
}
<table>
<tr>
<td class="table-top">
<div class="number&...
- 11
0
votes
1
answer
328
views
How to install `titling` package via RStudio?
I need to knit an rmarkdown document in pdf format, which would contain an image on top of the title. Reading on it at https://bookdown.org/yihui/rmarkdown-cookbook/latex-logo.html
and some other ...
- 512
0
votes
0
answers
2k
views
How to convert PDF to img in Next js
I am trying to convert a pdf file attached by user to image and for that I am using pdfjs-dist, I have done this implementation:
"use client"
import { useState, useEffect } from 'react';
...
- 39
-1
votes
1
answer
2k
views
Insert image in pdf file using python
I want to insert an image in a pdf using a python script. I have given a jpg as well as a png file. I want to be able to specify a page number, x and y coordinates and heigth and width of the image. ...
- 310
0
votes
1
answer
558
views
Gotenberg img convertion for pdf size opimization
I use https://gotenberg.dev/ docker image for converting html with img to pdf.
I have a webp image of reasonable size.
I generate pdf with pyhon code like
with io.BytesIO() as tmp_index_html:
...
- 12.5k
0
votes
1
answer
1k
views
Create a PDF file from HTML specified via URL
I would like to generate a PDF and Image file from HTML specified via URL(page) and send it to an external system. I need to perform this generation logic in java. The most popular and widely used ...
- 1,093
0
votes
0
answers
3k
views
Convert PDF to image in typescript
I want to convert PDF pages to images and show them in <img/>. I've searched a lot and found many libraries but they didn't work in typescript.
I've installed pdf-img-convert, pdfjs-dist, and '...
- 63
0
votes
0
answers
107
views
Issue: Image hiding behind PDF element while embedding through Apache pdfbox library
I am using apache pdfbox jar to embed image to attached PDF with below JAVA code:
import org.apache.pdfbox.io.MemoryUsageSetting;
import org.apache.pdfbox.pdmodel.PDDocument;
import org.apache.pdfbox....
1
vote
1
answer
652
views
How to insert image in pdf using Java
I am trying to create pdfs with Java. I do not want to use libraries like ITextPdf but want to generate the raw code of the pdf with Java. I got the basics down and am able to create some pdfs. The ...
- 121
0
votes
0
answers
75
views
Open an Image through specific app using PDF hyperlink
I have used pymupdf, fitz to insert hyperlinks into a PDF that lets me open images when the hyperlinks are clicked. Is it possible to specify a certain application to open the images with or will they ...
1
vote
0
answers
52
views
In pdfbox, why does BufferImage and ImageXObject have different resolution
When I use pdfbox to extract jpeg 2000 image from a book, I found the BufferImage and ImageXObject have different resolution.
The pdf file: https://drive.google.com/file/d/1yAfTFeAz6bfrcQOAEEm5MFMuPpM-...
- 31
3
votes
3
answers
6k
views
How to remove images from PDF?
I have a batch of pdfs that contain images of digital signatures (encircled in green).
What I want is to remove them or at least what is written on it but i couldnt find any solution, I've tried the ...
- 41
0
votes
1
answer
308
views
Is it possible to embed a 360 degree viewer in a PDF using Python or some other language?
I have panoramas saved as jpg files. I need to embed a 360 degree viewer in the PDF in which I can view the panorama. I am working in Python but I am happy to run C++ code, Javascript or any other ...
0
votes
1
answer
522
views
Converting a Base64 string to PDF in React
I've Base64 string and want to convert into PDF. My function works for a small Base64 string like text, images, emojis and all, but when I add images more than 50 KB (not sure) to the Base64 string ...
0
votes
0
answers
67
views
Imagick library in windows (XAMPP)
I have been trying to use Imagick to convert a PDF file (base64/blob) to an image. But I receive an error when executing the code. I am using XAMPP in Windows. This is the error I am getting:
Fatal ...
- 29
0
votes
0
answers
246
views
How to write a pdf using pdf writer in I.textSharp when it says null reference exception [duplicate]
var file = new FileStream("output.pdf", FileMode.Create);
using (var document = new Document())
{
PdfWriter writer = PdfWriter.GetInstance(document, file);
}
this is throwing null ...
- 19
0
votes
0
answers
396
views
Convert PDF file into a preview Image inside react page
I'm trying once i upload a PDF to my site to display a lil preview of it instead of a PDF logo or some thing like that.
Would appreciate if someone implemented some thing like that would help me with ...
- 1
0
votes
1
answer
126
views
getJpegSize could not find the size of the image
I am using jspdf and I am trying to show the image in pdf but I am getting an error
Uncaught Error: getJpegSize could not find the size of the image
I have tried to find the solution over Google but ...
- 2,327