The drawLine() function ignores a transparent color and draws the line completely opaque. #ffffff44 for example is drawn as #ffffffff.
The erroneous output was observed with GD version bundled (2.1.0 compatible), which is now about 8 years old and no longer supported. However, it still seems to be unfortunately present in many installations. For example, a recent official PHP 8.3 Docker image still contains this old version.
With a setup with the same version the line width is also ignored. See #1304
There were no problems with current GD versions (e.g. 2.3.3).
Describe the bug
The drawLine() function ignores a transparent color and draws the line completely opaque.
#ffffff44
for example is drawn as#ffffffff
.The erroneous output was observed with GD version
bundled (2.1.0 compatible)
, which is now about 8 years old and no longer supported. However, it still seems to be unfortunately present in many installations. For example, a recent official PHP 8.3 Docker image still contains this old version.With a setup with the same version the line width is also ignored. See #1304
There were no problems with current GD versions (e.g.
2.3.3
).Code Example
Expected behavior
Function should draw line (half) transparent according to given color.
Environment
3.6.3
GD bundled (2.1.0 compatible)