matomo-org/matomo

Custom logo with transparent background shows up white in the PDF reports

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#12,703 opened on Apr 8, 2018

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BugHelp wantedc: Design / UI

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Description

Now that in Matomo our top bar is colorful, it does look much better for users to upload a custom logo with a white or clear font and colors. This looks great in the web UI, and in the HTML email reports:

UI Top bar: looks good

top bvar

HTML Email: looks good

top bar email

PDF report: hidden logo white on white

white logo

Solution

If it could look nice, maybe a solution could be to include the top bar at the top of all pages of the PDF report?

Contributor guide

Research direction
Inspect the PDF generation code to identify where the logo image is rendered. Investigate why transparency is lost and ensure proper handling of alpha channel in the PDF library (e.g., TCPDF or similar).
Tech stack
php
Domain
backend
Issue type
Bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
3-5 days
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Fresh
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
PHPPDF generation
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
55