Overview
Comment: | Getting extents |
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Downloads: | Tarball | ZIP archive | SQL archive |
Timelines: | family | ancestors | descendants | both | v1.61 |
Files: | files | file ages | folders |
SHA1: |
04f3e0f7d5a204355807418667457862 |
User & Date: | matt on 2016-07-14 03:50:59 |
Other Links: | branch diff | manifest | tags |
Context
2016-07-14
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23:31 | Fixed getting extents check-in: e32e49b9ab user: matt tags: v1.61 | |
03:50 | Getting extents check-in: 04f3e0f7d5 user: matt tags: v1.61 | |
2016-07-13
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23:05 | Fixed points handling for rectangles check-in: 02b5c6c31c user: matt tags: v1.61 | |
Changes
Modified vg-test.scm from [240549bb15] to [90d7b39a30].
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15 16 17 18 19 20 21 | ;; add the l1 lib to drawing with name firstlib (vg:add-lib d1 "firstlib" l1) ;; instantiate firstlib/firstcomp as inst1 in drawing d1 at 0,0 (vg:instantiate d1 "firstlib" "firstcomp" "inst1" 0 0) (vg:instantiate d1 "firstlib" "firstcomp" "inst2" 200 200) | | > > > > > > > > | 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 | ;; add the l1 lib to drawing with name firstlib (vg:add-lib d1 "firstlib" l1) ;; instantiate firstlib/firstcomp as inst1 in drawing d1 at 0,0 (vg:instantiate d1 "firstlib" "firstcomp" "inst1" 0 0) (vg:instantiate d1 "firstlib" "firstcomp" "inst2" 200 200) (vg:drawing-scalex-set! d1 1.1) (vg:drawing-scaley-set! d1 0.5) ;; (define xtnts (vg:scale-offset-xy ;; (vg:component-get-extents c1) ;; 1.1 1.1 -2 -2)) (define xtnts (apply vg:grow-rect 10 10 (vg:components-get-extents c1))) (vg:add-objs-to-comp c1 (apply vg:make-rect xtnts)) (define cnv #f) (define the-cnv (canvas #:size "500x400" #:expand "YES" #:scrollbar "YES" #:posx "0.5" |
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Modified vg.scm from [42cf0e9697] to [40e90c99ca].
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105 106 107 108 109 110 111 112 113 114 115 116 117 118 | (define (vg:obj-get-extents obj) (let ((type (vg:obj-type obj))) (case type ((r)(vg:rect-get-extents obj))))) (define (vg:rect-get-extents obj) (vg:obj-pts obj)) ;; extents are just the points for a rectangle ;;====================================================================== ;; components ;;====================================================================== ;; add obj to comp ;; | > > > > > > > | 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 | (define (vg:obj-get-extents obj) (let ((type (vg:obj-type obj))) (case type ((r)(vg:rect-get-extents obj))))) (define (vg:rect-get-extents obj) (vg:obj-pts obj)) ;; extents are just the points for a rectangle (define (vg:grow-rect borderx bordery x1 y1 x2 y2) (list (- x1 borderx) (- y1 bordery) (+ x2 borderx) (+ y2 bordery))) ;;====================================================================== ;; components ;;====================================================================== ;; add obj to comp ;; |
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137 138 139 140 141 142 143 | ;; get component from drawing (look in apropriate lib) given libname and compname (define (vg:get-component drawing libname compname) (let* ((lib (hash-table-ref (vg:drawing-libs drawing) libname)) (inst (hash-table-ref (vg:lib-comps lib) compname))) inst)) | | | > > | | | | | | | | | | | | | > < | 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 | ;; get component from drawing (look in apropriate lib) given libname and compname (define (vg:get-component drawing libname compname) (let* ((lib (hash-table-ref (vg:drawing-libs drawing) libname)) (inst (hash-table-ref (vg:lib-comps lib) compname))) inst)) (define (vg:components-get-extents . comps) (let ((llx #f) (lly #f) (ulx #f) (uly #f)) (for-each (lambda (comp) (let ((objs (vg:comp-objs comp))) (for-each (lambda (obj) (let* ((extents (vg:obj-get-extents obj)) (ollx (list-ref extents 0)) (olly (list-ref extents 1)) (oulx (list-ref extents 2)) (ouly (list-ref extents 3))) (if (or (not llx)(< ollx llx))(set! llx ollx)) (if (or (not lly)(< olly lly))(set! lly olly)) (if (or (not ulx)(> oulx ulx))(set! ulx oulx)) (if (or (not uly)(> ouly uly))(set! uly ouly)))) objs))) comps) (list llx lly ulx uly))) ;;====================================================================== ;; libraries ;;====================================================================== ;; register lib with drawing |
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