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mac-plotter-stuff.lisp
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mac-plotter-stuff.lisp
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;; mac-plotter-stuff.lisp -- additional routines to:
;;
;; 1. Permit text output at arbitrary angles
;; 2. Copy graphics pane to clipboard as a PDF image
;; 3. Save graphics pane as a PDF file
;;
;; DM/RAL 05/07
;; ----------------------------------------------------------
(in-package plotter)
;; -----------------------------------------------------------------------
(defparameter *pltstuff-lib*
(translate-logical-pathname "PROJECTS:LIB;libLispPlotterStuff.dylib"))
(fli:register-module *pltstuff-lib*)
#|
;; for reload and retry...
(fli:disconnect-module *pltstuff-lib*)
|#
#| -- unused? ----
(fli:define-c-struct (color-struct (:foreign-name "colorStruct"))
(red :float)
(green :float)
(blue :float)
(alpha :float))
(fli:define-foreign-function (_add-label "pltstuff_add_label" :source)
((view :pointer)
(text (:reference-pass
(:ef-mb-string :limit 256
:external-format :latin-1)))
(x :float)
(y :float)
(font-name (:reference-pass
(:ef-mb-string :limit 256)))
(font-size :float)
(color (:pointer color-struct))
(just :int)
(angle :float)
(transparent :int)
(bgcolor (:pointer color-struct)))
:language :ansi-c
:result-type :void)
(defun fill-color-spec (port color-struct color &optional alpha)
(let ((rgb (color:get-color-spec (color:unconvert-color port color))))
(labels ((fill (component fn)
(setf (fli:foreign-slot-value color-struct component)
(sfloat (funcall fn rgb)))
))
(fill 'red #'color:color-red)
(fill 'green #'color:color-green)
(fill 'blue #'color:color-blue)
(fill 'alpha (if alpha
(constantly alpha)
#'color:color-alpha))
)))
|# ;; ---- unused ----
(defmethod ns-view ((pane capi:output-pane))
(objc:objc-object-pointer
(capi-internals:representation pane)))
(defmethod ns-view ((pane gp:pixmap-port))
(gp::gp-representation-view (gp:port-representation pane)))
#| -- unused? ----
(defun add-label (pane text x y
&key
(font "Times-Roman")
(font-size 12)
(color :black)
;;(alpha 1.0)
alpha
(x-alignment :left)
(y-alignment :baseline)
(angle 0.0)
box
(transparent t)
(bgcolor (gp:graphics-state-background
(gp:get-graphics-state pane)))
&allow-other-keys)
(gp:with-graphics-state (pane
:mask (or box
(list 0 0 (gp:port-width pane)
(gp:port-height pane))))
;; (gp:draw-line pane -1 -1 -1 -1) ;; force the cliprect to take effect
(gp:draw-string pane text
(sfloat x)
(sfloat (- (gp:port-height pane) y)))
))
|# ;; ---- unused ----
#|
(defun add-label (pane text x y
&key
(font "Times-Roman")
(font-size 12)
(color :black)
;;(alpha 1.0)
alpha
(x-alignment :left)
(y-alignment :baseline)
(angle 0.0)
box
(transparent t)
(bgcolor (gp:graphics-state-background
(gp:get-graphics-state pane)))
&allow-other-keys)
(fli:with-dynamic-foreign-objects ()
(let ((color-struct (fli:allocate-dynamic-foreign-object
:type 'color-struct))
(bg-color-struct (fli:allocate-dynamic-foreign-object
:type 'color-struct)))
(fill-color-spec pane color-struct color alpha)
(fill-color-spec pane bg-color-struct bgcolor)
(gp:with-graphics-state (pane
:mask (or box
(list 0 0 (gp:port-width pane)
(gp:port-height pane))))
(gp:draw-line pane -1 -1 -1 -1) ;; force the cliprect to take effect
(_add-label (ns-view pane)
text
(sfloat x)
;; NSView y-coords are inverted from pane y-coords
(sfloat (- (gp:port-height pane) y))
font
(sfloat font-size)
color-struct
(+ (* 4 (ecase y-alignment
(:center 0)
(:baseline 1)
(:bottom 2)
(:top 4)))
(ecase x-alignment
(:left 0)
(:center 1)
(:right 2)))
(sfloat angle)
(if transparent 1 0)
bg-color-struct)
))))
|#
;; ---------------------------------------------------------
;; Copy pane as PDF image
;;
(fli:define-foreign-function (_copy-pdf-plot "pltstuff_copy_pdf_plot" :source)
((view :pointer))
:language :ansi-c
:result-type :void)
(defmethod copy-pdf-plot ((pane capi:output-pane))
(capi:apply-in-pane-process pane
(lambda ()
(_copy-pdf-plot (ns-view pane)))
))
(defmethod copy-pdf-plot ((pixmap gp:pixmap-port))
(_copy-pdf-plot (ns-view pixmap)))
;; -------------------------------------------------------
;; Save pane as PDF file
;;
(fli:define-foreign-function (_save-pdf-plot "pltstuff_save_pdf_plot" :source)
((view :pointer)
(filename (:reference-pass
(:ef-mb-string :limit 256))))
:language :ansi-c
:result-type :void)
(defun save-pdf-plot (pane filename)
(capi:apply-in-pane-process pane
(lambda ()
(_save-pdf-plot (ns-view pane) filename))
))
;; -------------------------------------------------------------
;; Attempt to provide graphics compositing
#|
(fli:define-foreign-function (_set-compositing "pltstuff_set_compositing" :source)
((mode :int))
:language :ansi-c
:result-type :void)
(fli:define-foreign-function (_restore-context "pltstuff_restore_context" :source)
()
:language :ansi-c
:result-type :void)
(defmacro with-compositing ((mode) &body body)
`(progn
(_set-compositing ,mode)
(unwind-protect
(progn
,@body)
(_restore-context))))
(fli:define-foreign-function (_draw-xor-line "pltstuff_draw_xor_line" :source)
((view :pointer)
(x0 :float)
(y0 :float)
(x1 :float)
(y1 :float)
(color (:pointer color-struct)))
:language :ansi-c
:result-type :void)
(defun draw-xor-line (pane x0 y0 x1 y1 &key (color :red))
(fli:with-dynamic-foreign-objects ()
(let* ((color-struct (fli:allocate-dynamic-foreign-object
:type 'color-struct))
(ns-view (slot-value (capi-internals:representation pane)
'capi-cocoa-library::main-view))
(gstate (gp:get-graphics-state pane))
(bgcolor (gp:graphics-state-background gstate)))
(fill-color-spec color-struct (or color
bgcolor))
#|
(destructuring-bind (xx0 yy0 xx1 yy1)
(gp:transform-points
(gp:graphics-state-transform gstate)
(list x0 y0 x1 y1))
|#
(_draw-xor-line ns-view
(float x0 1.0)
;; NSView y-coords are inverted from pane y-coords
(float (- (gp:port-height pane) y0) 1.0)
(float x1 1.0)
;; NSView y-coords are inverted from pane y-coords
(float (- (gp:port-height pane) y1) 1.0)
color-struct)
)))
|#