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Overview
| Comment: | * SIZE is wrapper around internal structure _SIZE_ + using ASSERT for checking input parameters at *SIZE* methods * make-size function can receives two (WIDTH HEIGHT) and fourth (width: WIDTH height: HEIGHT) parameters |
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| Timelines: | family | ancestors | descendants | both | tui |
| Files: | files | file ages | folders |
| SHA1: | 142edc1744f01bb98b4f2ce95c5da040cfcc7724 |
| User & Date: | vasalvit 2011-11-08 05:32:56 |
Context
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2011-11-08
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| 15:56 | * RECT is wrapper around internal structure _RECT_ + using ASSERT for checking input parameters at *RECT* methods * make-rect function can receives two (ORIGIN SIZE) and fourth (origin: ORIGIN size: SIZE) parameters check-in: 9c8d6683b7 user: vasalvit tags: tui | |
| 05:32 | * SIZE is wrapper around internal structure _SIZE_ + using ASSERT for checking input parameters at *SIZE* methods * make-size function can receives two (WIDTH HEIGHT) and fourth (width: WIDTH height: HEIGHT) parameters check-in: 142edc1744 user: vasalvit tags: tui | |
| 04:50 | + POINT is wrapper aroung internal structure _POINT_ + using ASSERT for checking input parameters * make-point function can work with two parameters (X Y) and fourth (x: X y: Y) check-in: cfa2ad8a2f user: vasalvit tags: tui | |
Changes
Changes to sources/libraries/tui/primitives.scm.
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; 03.11.2011 vasalvit ; First version ; 07.11.2011 vasalvit ; New internal structure _POINT_, all *POINT* methods ; are wrappers around *_POINT_* methods. ; 08.11.2011 ; Assert's checking for *POINT* methods. ; (require-extension defstruct) ; POINT ; One point on a screen. POINT consists of two values: ; X (number) and Y (number). (defstruct _point_ x y) ................................................................................ (define (alist->point l) (assert (pair? l)) (make-point x: (cdr (assq 'x l)) y: (cdr (assq 'y l)))) ; SIZE ; Represents size of rectangle on a screen. SIZE consists of two ; values - WIDTH (number) and HEIGHT (number). (defstruct size width height) (define empty-size (make-size width: 0 height: 0)) (define (size-width-set! s w) (make-size width: w height: (size-height s))) (define (size-height-set! s h) (make-size height: h width: (size-width s))) (define (size->alist s) (list (cons 'width (size-width s)) (cons 'height (size-height s)))) (define (alist->size l) (make-size width: (cdr (assq 'width l)) height: (cdr (assq 'height l)))) ; RECT ; Represents rectangle on a screen. RECT consists of two values: ; ORIGIN (origin, POINT) and SIZE (size, SIZE). (defstruct rect origin size) (define empty-rect |
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; 03.11.2011 vasalvit ; First version ; 07.11.2011 vasalvit ; New internal structure _POINT_, all *POINT* methods ; are wrappers around *_POINT_* methods. ; 08.11.2011 ; Assert's checking for *POINT* methods. ; *SIZE* methods is wrappers around internal *_SIZE_* ; methods. ; (require-extension defstruct) ; POINT ; One point on a screen. POINT consists of two values: ; X (number) and Y (number). (defstruct _point_ x y) ................................................................................ (define (alist->point l) (assert (pair? l)) (make-point x: (cdr (assq 'x l)) y: (cdr (assq 'y l)))) ; SIZE ; Represents size of rectangle on a screen. SIZE consists of two ; values - WIDTH (number) and HEIGHT (number). (defstruct _size_ width height) (define (mksize w h) (assert (number? w)) (assert (number? h)) (make-_size_ width: w height: h)) (define size (case-lambda [(w h) (mksize w h)] [(a b c d) (assert (or (and (eq? a 'width:) (eq? c 'height:)) (and (eq? a 'height:) (eq? c 'width:)))) (cond [(eq? a 'width:) (mksize b d)] [else (mksize d b)])])) (define make-size size) (define (size? s) (_size_? s)) (define (size-width s) (assert (size? s)) (_size_-width s)) (define (size-height s) (assert (size? s)) (_size_-height s)) (define empty-size (make-size width: 0 height: 0)) (define (size-width-set! s w) (make-size width: w height: (size-height s))) (define (size-height-set! s h) (make-size height: h width: (size-width s))) (define (size->alist s) (list (cons 'width (size-width s)) (cons 'height (size-height s)))) (define (alist->size l) (assert (pair? l)) (make-size width: (cdr (assq 'width l)) height: (cdr (assq 'height l)))) ; RECT ; Represents rectangle on a screen. RECT consists of two values: ; ORIGIN (origin, POINT) and SIZE (size, SIZE). (defstruct rect origin size) (define empty-rect |