402 lines
13 KiB
Scheme
402 lines
13 KiB
Scheme
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(define-record-type xft-pattern :xft-pattern
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(really-make-xft-pattern c-pointer)
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xft-pattern?
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(c-pointer xft-pattern-c-pointer))
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(define-exported-binding "xft-pattern" :xft-pattern)
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(define-record-type xft-font :xft-font
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(make-xft-font x-pointer)
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xft-font?
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(x-pointer xft-font-x-pointer))
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(define-exported-binding "xft-font" :xft-font)
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(define-record-type xft-draw :xft-draw
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(make-xft-draw c-pointer)
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xft-draw?
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(c-pointer xft-draw-c-pointer))
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(define-exported-binding "xft-draw" :xft-draw)
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(define-record-type xft-color :xft-color
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(make-xft-color c-pointer display visual colormap)
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xft-color?
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(c-pointer xft-color-c-pointer)
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(display xft-color-display set-xft-color-display!)
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(visual xft-color-visual set-xft-color-visual!)
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(colormap xft-color-colormap set-xft-color-colormap!))
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(define-exported-binding "xft-color" :xft-color)
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(define-record-type xft-objectset :xft-objectset
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(make-xft-objectset c-pointer)
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xft-objectset?
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(c-pointer xft-objectset-c-pointer))
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(define-exported-binding "xft-objectset" :xft-objectset)
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(define-record-type xft-fontset :xft-fontset
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(really-make-xft-fontset c-pointer patterns)
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xft-fontset?
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(c-pointer xft-fontset-c-pointer)
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(patterns xft-fontset-patterns set-xft-fontset-patterns!))
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(define-exported-binding "xft-fontset" :xft-fontset)
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(define-syntax lookup-shared-valued
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(syntax-rules ()
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((lookup-shared-valued str)
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(shared-binding-ref
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(lookup-imported-binding str)))))
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(define-finite-type xft-pattern-object :xft-pattern-object
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(id)
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xft-pattern-object?
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xft-pattern-object-elements
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xft-pattern-object-name
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xft-pattern-object-index
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(id xft-pattern-object-id)
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((family (lookup-shared-valued "scx-xft-pattern-family"))
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(style (lookup-shared-valued "scx-xft-pattern-style"))
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(slant (lookup-shared-valued "scx-xft-pattern-slant"))
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(weight (lookup-shared-valued "scx-xft-pattern-weight"))
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(size (lookup-shared-valued "scx-xft-pattern-size"))
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(pixel-size (lookup-shared-valued "scx-xft-pattern-pixel-size"))
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(encoding (lookup-shared-valued "scx-xft-pattern-encoding"))
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(spacing (lookup-shared-valued "scx-xft-pattern-spacing"))
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(foundry (lookup-shared-valued "scx-xft-pattern-foundry"))
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(core (lookup-shared-valued "scx-xft-pattern-core"))
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(antialias (lookup-shared-valued "scx-xft-pattern-antialias"))
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(xlfd (lookup-shared-valued "scx-xft-pattern-xlfd"))
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(file (lookup-shared-valued "scx-xft-pattern-file"))
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(index (lookup-shared-valued "scx-xft-pattern-index"))
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(rasterizer (lookup-shared-valued "scx-xft-pattern-rasterizer"))
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(outline (lookup-shared-valued "scx-xft-pattern-outline"))
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(scalable (lookup-shared-valued "scx-xft-pattern-scalable"))
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(rgba (lookup-shared-valued "scx-xft-pattern-rgba"))
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(scale (lookup-shared-valued "scx-xft-pattern-scale"))
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(render (lookup-shared-valued "scx-xft-pattern-render"))
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(minspace (lookup-shared-valued "scx-xft-pattern-minspace"))
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(dpi (lookup-shared-valued "scx-xft-pattern-dpi"))
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(char-width (lookup-shared-valued "scx-xft-pattern-char-width"))
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(char-height (lookup-shared-valued "scx-xft-pattern-char-height"))))
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;;; add finalizers
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(define (make-xft-pattern)
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(let ((xft-pattern (scx-xft-pattern-create)))
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(add-finalizer! xft-pattern scx-xft-pattern-destroy)
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xft-pattern))
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(define (scx-xft-pattern-duplicate xft-pattern)
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(let ((copy (scx-xft-pattern-duplicate-internal xft-pattern)))
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(add-finalizer! copy scx-xft-pattern-destroy)
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copy))
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(define (scx-xft-pattern-get xft-pattern xft-pattern-object id)
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(scx-xft-pattern-get-internal
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xft-pattern (xft-pattern-object-id xft-pattern-object) id))
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(define (scx-xft-pattern-add xft-pattern xft-pattern-object value append?)
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(scx-xft-pattern-add-internal
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xft-pattern (xft-pattern-object-id xft-pattern-object) value append?))
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(define (scx-xft-font-match display screen xft-pattern)
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(call-with-values
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(lambda ()
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(let ((screen-number (screen:number screen)))
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(scx-xft-font-match-internal display screen-number xft-pattern)))
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(lambda (result xft-pattern)
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(add-finalizer! xft-pattern scx-xft-pattern-destroy)
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(values result xft-pattern))))
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(define (scx-xft-font-open-pattern display xft-pattern)
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(let ((xft-font (scx-xft-font-open-pattern-internal display xft-pattern)))
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(add-finalizer! xft-font scx-xft-font-close)
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xft-font))
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(define (scx-xft-font-open-name display screen name)
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(let* ((screen-number (screen:number screen))
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(xft-font (scx-xft-font-open-name-internal display screen-number name)))
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(add-finalizer! xft-font scx-xft-font-close)
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xft-font))
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(define (scx-xft-font-open-xlfd display screen name)
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(let* ((screen-numer (screen:number screen))
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(xft-font (scx-xft-font-open-xlfd-internal display screen-numer name)))
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(add-finalizer! xft-font scx-xft-font-close)
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xft-font))
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(define (scx-xft-draw-create display drawable visual colormap)
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(let ((xft-draw (scx-xft-draw-create-internal display drawable visual colormap)))
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(add-finalizer! xft-draw scx-xft-draw-destroy)
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xft-draw))
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(define (scx-xft-draw-create-bitmap display drawable)
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(let ((xft-draw (scx-xft-draw-create-bitmap-internal display drawable)))
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(add-finalizer! xft-draw scx-xft-draw-destroy)
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xft-draw))
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(define (make-xft-objectset)
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(let ((xft-objectset (scx-xft-objectset-create)))
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(add-finalizer! xft-objectset scx-xft-objectset-destroy)
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xft-objectset))
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(define (scx-xft-objectset-add xft-objectset xft-pattern-object)
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(scx-xft-objectset-add-internal
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xft-objectset (xft-pattern-object-id xft-pattern-object)))
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(define (scx-xft-draw-display xft-draw)
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(let ((display (scx-xft-draw-display-internal xft-draw)))
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(if display
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display
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(error "XftDrawDisplay() unavailable in this version of Xft"))))
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(define (scx-xft-draw-drawable xft-draw)
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(let ((drawable (scx-xft-draw-drawable-internal xft-draw)))
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(if drawable
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drawable
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(error "XftDrawDrawable() unavailable in this version of Xft"))))
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(define (scx-xft-draw-colormap xft-draw)
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(let ((colormap (scx-xft-draw-colormap-internal xft-draw)))
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(if colormap
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colormap
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(error "XftDrawColormap() unavailable in this version of Xft"))))
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(define (scx-xft-draw-visual xft-draw)
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(let ((visual (scx-xft-draw-visual-internal xft-draw)))
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(if visual
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visual
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(error "XftDrawVisual() unavailable in this version of Xft"))))
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(define (scx-xft-list-fonts-pattern-objects display screen xft-pattern xft-objectset)
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(let* ((screen-number (screen:number screen))
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(fontset (scx-xft-list-fonts-pattern-objects-internal
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display screen-number xft-pattern xft-objectset)))
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(add-finalizer! fontset scx-xft-fontset-destroy)
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fontset))
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(define (make-xft-fontset)
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(let ((fontset (scx-xft-fontset-create)))
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(set-xft-fontset-patterns! fontset '())
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(add-finalizer! fontset scx-xft-fontset-create)
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fontset))
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(define (scx-xft-fontset-add xft-fontset xft-pattern)
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(set-xft-fontset-patterns!
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xft-fontset (lset-adjoin eq? xft-pattern (xft-fontset-patterns xft-fontset)))
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(scx-xft-fontset-add-internal xft-fontset xft-pattern))
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(define (scx-xft-color-alloc-name display visual colormap name)
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(call-with-values
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(lambda ()
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(apply values
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(scx-xft-color-alloc-name-internal display visual colormap name)))
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(lambda (success? xft-color)
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(if success?
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(begin
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(set-xft-color-display! xft-color display)
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(set-xft-color-visual! xft-color visual)
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(set-xft-color-colormap! xft-color colormap)
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(add-finalizer! xft-color xft-color-finalizer)
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xft-color)
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;;; FIXME: raise error
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#f))))
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(define (scx-xft-color-alloc-value display visual colormap xrendercolor)
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(call-with-values
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(lambda ()
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(apply values
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(scx-xft-color-alloc-value-internal display visual colormap xrendercolor)))
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(lambda (success? xft-color)
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(set-xft-color-display! xft-color display)
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(set-xft-color-visual! xft-color visual)
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(set-xft-color-colormap! xft-color colormap)
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(add-finalizer! xft-color xft-color-finalizer)
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xft-color)))
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(define (xft-color-finalizer xft-color)
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(scx-xft-color-free (xft-color-display xft-color)
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(xft-color-visual xft-color)
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(xft-color-colormap xft-color)
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xft-color))
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;;; import values from C code
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(define scx-xft-version-major
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(shared-binding-ref
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(lookup-imported-binding "scx-xft-version-major")))
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(define scx-xft-version-minor
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(shared-binding-ref
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(lookup-imported-binding "scx-xft-version-minor")))
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(define scx-xft-result-match?
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(let ((code (shared-binding-ref
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(lookup-imported-binding "scx-xft-result-match"))))
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(lambda (value)
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(equal? value code))))
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(define scx-xft-result-no-match?
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(let ((code (shared-binding-ref
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(lookup-imported-binding "scx-xft-result-no-match"))))
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(lambda (value)
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(equal? value code))))
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(define scx-xft-result-type-mismatch?
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(let ((code (shared-binding-ref
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(lookup-imported-binding "scx-xft-result-type-mismatch"))))
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(lambda (value)
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(equal? value code))))
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(define scx-xft-result-no-id?
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(let ((code (shared-binding-ref
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(lookup-imported-binding "scx-xft-result-no-id"))))
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(lambda (value)
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(equal? value code))))
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;;; import functions from C code
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(import-lambda-definition scx-xft-pattern-create
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()
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"scx_XftPatternCreate")
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(import-lambda-definition scx-xft-pattern-destroy
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()
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"scx_XftPatternDestroy")
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(import-lambda-definition scx-xft-pattern-duplicate-internal
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(xft-pattern)
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"scx_XftPatternDuplicate")
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(import-lambda-definition scx-xft-pattern-get-internal
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(xft-pattern object id)
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"scx_XftPatternGet")
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(import-lambda-definition scx-xft-pattern-add-internal
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(xft-pattern object value append?)
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"scx_XftPatternAdd")
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(import-lambda-definition scx-xft-font-match-internal
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(display screen-number xft-pattern)
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"scx_XftFontMatch")
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(import-lambda-definition scx-xft-font-open-pattern-internal
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(display xft-pattern)
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"scx_XftFontOpenPattern")
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(import-lambda-definition scx-xft-font-open-name-internal
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(display screen-number name)
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"scx_XftFontOpenName")
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(import-lambda-definition scx-xft-font-open-xlfd-internal
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(display screen-number xlfd-name)
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"scx_XftFontOpenXlfd")
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(import-lambda-definition scx-xft-font-close
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(display xft-font)
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"scx_XftFontClose")
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(import-lambda-definition scx-xft-draw-create-internal
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(display drawable visual colormap)
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"scx_XftDrawCreate")
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(import-lambda-definition scx-xft-draw-create-bitmap-internal
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(display drawable)
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"scx_XftDrawCreateBitmap")
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(import-lambda-definition scx-xft-draw-change
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(xft-draw drawable)
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"scx_XftDrawChange")
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(import-lambda-definition scx-xft-draw-display-internal
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(xft-draw)
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"scx_XftDrawDisplay")
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(import-lambda-definition scx-xft-draw-drawable-internal
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(xft-draw)
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"scx_XftDrawDrawable")
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(import-lambda-definition scx-xft-draw-colormap-internal
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(xft-draw)
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"scx_XftDrawColormap")
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(import-lambda-definition scx-xft-draw-visual-internal
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(xft-draw)
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"scx_XftDrawVisual")
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(import-lambda-definition scx-xft-draw-destroy
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(xft-draw)
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"scx_XftDrawDestroy")
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(import-lambda-definition scx-xft-text-extents-8bit
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(display xft-font string)
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"scx_XftTextExtents8")
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(import-lambda-definition scx-xft-draw-string-8bit
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(xft-draw xft-color xft-font x y string)
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"scx_XftDrawString8")
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(import-lambda-definition scx-xft-draw-rect
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(xft-draw xft-color x y w h)
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"scx_XftDrawRect")
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(import-lambda-definition scx-xft-draw-set-clip
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(xft-draw region)
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"scx_XftDrawSetClip")
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(import-lambda-definition scx-xft-objectset-create
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()
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"scx_XftObjectSetCreate")
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(import-lambda-definition scx-xft-objectset-destroy
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(xft-objectset)
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"scx_XftObjectSetDestroy")
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(import-lambda-definition scx-xft-objectset-add-internal
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(xft-objectset object)
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"scx_XftObjectSetAdd")
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(import-lambda-definition scx-xft-list-fonts-pattern-objects-internal
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(display screen-number xft-pattern xft-objectset)
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"scx_XftListFontsPatternObjects")
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(import-lambda-definition scx-xft-fontset-create
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()
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"scx_XftFontSetCreate")
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(import-lambda-definition scx-xft-fontset-destroy
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(xft-fontset)
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"scx_XftFontSetDestroy")
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(import-lambda-definition scx-xft-fontset-add-internal
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(xft-fontset xft-pattern)
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"scx_XftFontSetAdd")
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(import-lambda-definition scx-xft-color-alloc-name-internal
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(display visual colormap name)
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"scx_XftColorAllocName")
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(import-lambda-definition scx-xft-color-alloc-value-internal
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(display visual colormap xrendercolor)
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"scx_XftColorAllocValue")
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(import-lambda-definition scx-xft-color-free
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(display visual colormap xft-color)
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"scx_XftColorFree")
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(import-lambda-definition scx-xft-pattern-print
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(xft-pattern)
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"scx_XftPatternPrint")
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(import-lambda-definition scx-xft-fontset-print
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(xft-fontset)
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"scx_XftFontSetPrint")
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(import-lambda-definition scx-xft-default-has-render?
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(display)
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"scx_XftDefaultHasRender")
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