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d961079c5d
* Add render package * Add text state * Add more text operators * Remove unnecessary files * Add text font * Add custom text render method * Improve text rendering method * Rename text state methods * Refactor and document context interface * Refact text begin/end operators * Fix graphics state transformations * Keep original font when doing font substitution * Take page cropbox into account * Revert to substitution font if original font measurement is 0 * Add font substitution package * Implement addition transform.Point methods * Use transform.Point in the image context package * Remove unneeded functionality from the render image package * Fix golint notices in the image rendering package * Fix go vet notices in the render package * Fix golint notices in the top-level render package * Improve render context package documentation * Document context text state struct. * Document context text font struct. * Minor logging improvements * Add license disclaimer to the render package files * Avoid using package aliases where possible * Change style of section comments * Adapt render package import style to follow the developer guide * Improve documentation for the internal matrix implementation * Update render package dependency versions * Apply crop box post render * Account for offseted media boxes * Improve metrics of rendered characters * Fix text matrix translation * Change priority of fonts used for measuring rendered characters * Skip invalid m and l operators on image rendering * Small fix for v operator * Fix rendered characters spacing issues * Refactor naming of internal render packages