Enable TIFF image format handling, fixes #344 #345
Merged
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Further to #344, here's a PR to enable TIFF image format support. I saw that there were some vestiges of TIFF format support already (for example the
tif
property in the test case), so I've made use of that. The test suite runs only with thegd
driver, so operations that requireimagick
(which includes the TIFF format) can't be tested, so I wrote a new test method that reconfigures the test to run with imagick, and skips the test if it's not installed.I don't understand how the mock works in
testGetFormat
– I tried copying it but couldn't make it work, so I've not created a similar test for that.