Bug fix: strict type check in Editor blend functions

kosinix / grafika

An image processing library for PHP

https://kosinix.github.io/grafika

MIT License

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Open avgeeklucky opened 4 years ago

avgeeklucky commented 4 years ago

Small PR for you. $opacity !== 1 passes with default values because float 1.0 (default value) is not equal to integer 1.

Added type hints to ensure user values are correct. Possibly related: #18