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|
;; font-map
;; Spencer Kimball
;; To test, open the Font tool dialog,
;; press right mouse button in the list of fonts, choose "Render Font Map"
;; Test cases for font filter regex
;; ".*" expect render all installed fonts
;; "foo" expect render blank image (no matching fonts)
;; "Sans" expect render subset of installed fonts
(define (script-fu-font-map text
use-name
labels
font-filter
font-size
border
colors)
(define (max-font-width text use-name list-cnt list font-size)
(let* ((count 0)
(width 0)
(maxwidth 0)
(font "")
(font-object '())
(extents '()))
(while (< count list-cnt)
(set! font-object (vector-ref list count))
(set! font (car (gimp-resource-get-name font-object)))
(if (= use-name TRUE)
(set! text font))
(set! extents (gimp-text-get-extents-font text
font-size
font-object))
(set! width (car extents))
(if (> width maxwidth)
(set! maxwidth width))
(set! count (+ count 1))
)
maxwidth
)
)
(define (max-font-height text use-name list-cnt list font-size)
(let* ((count 0)
(height 0)
(maxheight 0)
(font "")
(font-object '())
(extents '()))
(while (< count list-cnt)
(set! font-object (vector-ref list count))
(set! font (car (gimp-resource-get-name font-object)))
(if (= use-name TRUE)
(set! text font)
)
(set! extents (gimp-text-get-extents-font text
font-size
font-object))
(set! height (cadr extents))
(if (> height maxheight)
(set! maxheight height)
)
(set! count (+ count 1))
)
maxheight
)
)
(let* (
; gimp-fonts-get-list returns a one element list of results,
; the only element is itself a list of fonts, possibly empty.
(font-list (car (gimp-fonts-get-list font-filter)))
(num-fonts (vector-length font-list))
(label-size (/ font-size 2))
(border (+ border (* labels (/ label-size 2))))
(y border)
(maxheight (max-font-height text use-name num-fonts font-list font-size))
(maxwidth (max-font-width text use-name num-fonts font-list font-size))
(width (+ maxwidth (* 2 border)))
(height (+ (+ (* maxheight num-fonts) (* 2 border))
(* labels (* label-size num-fonts))))
(img (car (gimp-image-new width height (if (= colors 0)
GRAY RGB))))
(drawable (car (gimp-layer-new img "Background"
width height (if (= colors 0)
GRAY-IMAGE RGB-IMAGE)
100 LAYER-MODE-NORMAL)))
(count 0)
(font "")
(font-object '())
)
(gimp-context-push)
(gimp-image-undo-disable img)
(if (= colors 0)
(begin
(gimp-context-set-background '(255 255 255))
(gimp-context-set-foreground '(0 0 0))))
(gimp-image-insert-layer img drawable 0 0)
(gimp-drawable-edit-clear drawable)
(if (= labels TRUE)
(begin
(set! drawable (car (gimp-layer-new img "Labels" width height
(if (= colors 0)
GRAYA-IMAGE RGBA-IMAGE)
100 LAYER-MODE-NORMAL)))
(gimp-image-insert-layer img drawable 0 -1)))
(gimp-drawable-edit-clear drawable)
(while (< count num-fonts)
(set! font-object (vector-ref font-list count))
(set! font (car (gimp-resource-get-name font-object)))
(if (= use-name TRUE)
(set! text font))
(gimp-text-font img -1
border
y
text
0 TRUE font-size
font-object)
(set! y (+ y maxheight))
(if (= labels TRUE)
(begin
(gimp-floating-sel-anchor (car (gimp-text-font img drawable
(- border
(/ label-size 2))
(- y
(/ label-size 2))
font
0 TRUE
label-size
font-object)))
(set! y (+ y label-size))
)
)
(set! count (+ count 1))
)
(gimp-image-set-selected-layers img (vector drawable))
(gimp-image-undo-enable img)
(gimp-display-new img)
(gimp-context-pop)
)
)
(script-fu-register-procedure "script-fu-font-map"
_"Render _Font Map..."
_"Create an image filled with previews of fonts matching a fontname filter"
"Spencer Kimball"
"1997"
SF-STRING _"_Text" "How quickly daft jumping zebras vex."
SF-TOGGLE _"Use font _name as text" FALSE
SF-TOGGLE _"_Labels" TRUE
SF-STRING _"_Filter (regexp)" "Sans"
SF-ADJUSTMENT _"Font _size (pixels)" '(32 2 1000 1 10 0 1)
SF-ADJUSTMENT _"_Border (pixels)" '(10 0 200 1 10 0 1)
SF-OPTION _"_Color scheme" '(_"Black on white" _"Active colors")
)
(script-fu-menu-register "script-fu-font-map"
"<Fonts>/Fonts Menu")
|
