github.com/pdfcpu/pdfcpu@v0.11.1/pkg/samples/cut (about) cutCustom_page_1.pdf cutHorAndVerQuarter_page_1.pdf cutHorAndVerThird_page_1.pdf cutHorRot_page_1.pdf cutHor_page_1.pdf cutVer_page_1.pdf ndown16_page_1.pdf ndown2_page_1.pdf ndown9_page_1.pdf ndownRot2_page_1.pdf posterDimScaled_page_1.pdf posterDim_page_1.pdf posterScaled_page_1.pdf poster_page_1.pdf