;; See http://cairographics.org/samples/
#+sbcl(require :gtk)
-#+cmu(asdf:oos 'asdf:load-op :gtk)
#+sbcl(require :cairo)
-#+cmu(asdf:oos 'asdf:load-op :cairo)
+#+(or cmu clisp)(asdf:oos 'asdf:load-op :gtk)
+#+(or cmu clisp)(asdf:oos 'asdf:load-op :cairo)
+
+(eval-when (:compile-toplevel :load-toplevel :execute)
+ (unless (pkg-config:pkg-exists-p "librsvg-2.0" :atleast-version "2.13.93")
+ (warn "SVG tests disabled as the required version of librsvg is not available.")))
+
+#?(pkg-config:pkg-exists-p "librsvg-2.0" :atleast-version "2.13.93")
#+sbcl(require :rsvg)
-#+cmu(asdf:oos 'asdf:load-op :rsvg)
+#+(or cmu clisp)(asdf:oos 'asdf:load-op :rsvg)
(defpackage "TESTCAIRO"
(:use "COMMON-LISP" "GTK")
(signal-connect ,widget 'expose-event
#'(lambda (,event)
(declare (ignore ,event))
- (let ((,cr (gdk:cairo-create (widget-window ,widget))))
+ (gdk:with-cairo-context (,cr (widget-window ,widget))
(multiple-value-bind (width height)
(widget-get-size-allocation ,widget)
(cairo:scale ,cr width height))
(cairo:stroke cr))
+(defun %curve-rectangle (cr x0 y0 width height radius)
+ (unless (and (zerop width) (zerop height))
+ (let ((x1 (+ x0 width))
+ (y1 (+ y0 height)))
+ (cond
+ ((and (< (* 0.5 width) radius) (< (* 0.5 height) radius))
+ (cairo:move-to cr x0 (* 0.5 (+ y0 y1)))
+ (cairo:curve-to cr x0 y0 x0 y0 (* 0.5 (+ x0 x1)) y0)
+ (cairo:curve-to cr x1 y0 x1 y0 x1 (* 0.5 (+ y0 y1)))
+ (cairo:curve-to cr x1 y1 x1 y1 (* 0.5 (+ x0 x1)) y1)
+ (cairo:curve-to cr x0 y1 x0 y1 x0 (* 0.5 (+ y0 y1))))
+ ((< (* 0.5 width) radius)
+ (cairo:move-to cr x0 (+ y0 radius))
+ (cairo:curve-to cr x0 y0 x0 y0 (* 0.5 (+ x0 x1)) y0)
+ (cairo:curve-to cr x1 y0 x1 y0 x1 (+ y0 radius))
+ (cairo:line-to cr x1 (- y1 radius))
+ (cairo:curve-to cr x1 y1 x1 y1 (* 0.5 (+ x0 x1)) y1)
+ (cairo:curve-to cr x0 y1 x0 y1 x0 (- y1 radius)))
+ ((< (* 0.5 height) radius)
+ (cairo:move-to cr x0 (* 0.5 (+ y0 y1)))
+ (cairo:curve-to cr x0 y0 x0 y0 (+ x0 radius) y0)
+ (cairo:line-to cr (- x1 radius) y0)
+ (cairo:curve-to cr x1 y0 x1 y0 x1 (* 0.5 (+ y0 y1)))
+ (cairo:curve-to cr x1 y1 x1 y1 (- x1 radius) y1)
+ (cairo:line-to cr (+ x0 radius) y1)
+ (cairo:curve-to cr x0 y1 x0 y1 x0 (* 0.5 (+ y0 y1))))
+ (t
+ (cairo:move-to cr x0 (+ y0 radius))
+ (cairo:curve-to cr x0 y0 x0 y0 (+ x0 radius) y0)
+ (cairo:line-to cr (- x1 radius) y0)
+ (cairo:curve-to cr x1 y0 x1 y0 x1 (+ y0 radius))
+ (cairo:line-to cr x1 (- y1 radius))
+ (cairo:curve-to cr x1 y1 x1 y1 (- x1 radius) y1)
+ (cairo:line-to cr (+ x0 radius) y1)
+ (cairo:curve-to cr x0 y1 x0 y1 x0 (- y1 radius))))
+ (cairo:close-path cr))))
+
(define-snippet curve-rectangle (cr)
(let ((x0 0.1)
(y0 0.1)
(width 0.8)
(height 0.8)
(radius 0.4))
- (unless (and (zerop width) (zerop height))
- (let ((x1 (+ x0 width))
- (y1 (+ y0 height)))
- (cond
- ((and (< (* 0.5 width) radius) (< (* 0.5 height) radius))
- (cairo:move-to cr x0 (* 0.5 (+ y0 y1)))
- (cairo:curve-to cr x0 y0 x0 y0 (* 0.5 (+ x0 x1)) y0)
- (cairo:curve-to cr x1 y0 x1 y0 x1 (* 0.5 (+ y0 y1)))
- (cairo:curve-to cr x1 y1 x1 y1 (* 0.5 (+ x0 x1)) y1)
- (cairo:curve-to cr x0 y1 x0 y1 x0 (* 0.5 (+ y0 y1))))
- ((< (* 0.5 width) radius)
- (cairo:move-to cr x0 (+ y0 radius))
- (cairo:curve-to cr x0 y0 x0 y0 (* 0.5 (+ x0 x1)) y0)
- (cairo:curve-to cr x1 y0 x1 y0 x1 (+ y0 radius))
- (cairo:line-to cr x1 (- y1 radius))
- (cairo:curve-to cr x1 y1 x1 y1 (* 0.5 (+ x0 x1)) y1)
- (cairo:curve-to cr x0 y1 x0 y1 x0 (- y1 radius)))
- ((< (* 0.5 height) radius)
- (cairo:move-to cr x0 (* 0.5 (+ y0 y1)))
- (cairo:curve-to cr x0 y0 x0 y0 (+ x0 radius) y0)
- (cairo:line-to cr (- x1 radius) y0)
- (cairo:curve-to cr x1 y0 x1 y0 x1 (* 0.5 (+ y0 y1)))
- (cairo:curve-to cr x1 y1 x1 y1 (- x1 radius) y1)
- (cairo:line-to cr (+ x0 radius) y1)
- (cairo:curve-to cr x0 y1 x0 y1 x0 (* 0.5 (+ y0 y1))))
- (t
- (cairo:move-to cr x0 (+ y0 radius))
- (cairo:curve-to cr x0 y0 x0 y0 (+ x0 radius) y0)
- (cairo:line-to cr (- x1 radius) y0)
- (cairo:curve-to cr x1 y0 x1 y0 x1 (+ y0 radius))
- (cairo:line-to cr x1 (- y1 radius))
- (cairo:curve-to cr x1 y1 x1 y1 (- x1 radius) y1)
- (cairo:line-to cr (+ x0 radius) y1)
- (cairo:curve-to cr x0 y1 x0 y1 x0 (- y1 radius))))
- (cairo:close-path cr)
-
- (cairo:set-source-color cr 0.5 0.5 1.0)
- (cairo:fill cr t)
- (cairo:set-source-color cr 0.5 0.0 0.0 0.5)
- (cairo:stroke cr)))))
-
+ (%curve-rectangle cr x0 y0 width height radius)
+ (cairo:set-source-color cr 0.5 0.5 1.0)
+ (cairo:fill cr t)
+ (cairo:set-source-color cr 0.5 0.0 0.0 0.5)
+ (cairo:stroke cr)))
(define-snippet curve-to (cr)
(cairo:fill cr)))
+#?(pkg-config:pkg-exists-p "librsvg-2.0" :atleast-version "2.13.93")
+(progn
(defun snippet-set-bg-svg (cr filename)
(let ((handle (make-instance 'rsvg:handle :filename filename)))
(cairo:with-context (cr)
- (with-slots (rsvg:width rsvg:height) (rsvg:handle-dimensions handle)
- (cairo:scale cr (/ 1.0 rsvg:width) (/ 1.0 rsvg:height))
- (rsvg:cairo-render cr handle)))))
+ (with-slots (rsvg:width rsvg:height) handle
+ (cairo:scale cr (/ 1.0 rsvg:width) (/ 1.0 rsvg:height))
+ (rsvg:render-cairo handle cr)))))
(define-snippet librsvg (cr)
(snippet-set-bg-svg cr "clg:examples;home.svg"))
(cairo:set-source-color cr 0.0 1.0 0.0)
(cairo:rectangle cr 0.4 0.4 0.4 0.4)
(cairo:fill cr)
-
+
(cairo:set-source-color cr 0.0 0.0 1.0)
(cairo:rectangle cr 0.6 0.6 0.3 0.3)
(cairo:fill cr)))
(define-operator-snippet operator-over-reverse :dest-over)
(define-operator-snippet operator-saturate :saturate)
(define-operator-snippet operator-xor :xor)
+)
:vscrollbar-policy :automatic
:border-width 10))
(close-button (make-instance 'button
- :label "close" :can-default t
+ :stock "gtk-close" :can-default t
:signal (list 'clicked #'widget-destroy
:object main-window))))
:child (list (make-instance 'label :label (gtk-version)) :fill nil)
:child (list (make-instance 'label :label (clg-version)) :fill nil)
:child (list (make-instance 'label
- :label #-cmu(format nil "~A (~A)"
- (lisp-implementation-type)
- (lisp-implementation-version))
+ :label #-cmu
+ (format nil "~A (~A)"
+ (lisp-implementation-type)
+ #-clisp
+ (lisp-implementation-version)
+ #+clisp
+ (let ((version (lisp-implementation-version)))
+ (subseq version 0 (position #\sp version))))
;; The version string in CMUCL is far too long
#+cmu(lisp-implementation-type))
:fill nil)
(clg-init)
+#?(pkg-config:pkg-exists-p "librsvg-2.0" :atleast-version "2.13.93")
(rsvg:init)
;; We need to turn off floating point exceptions, because Cairo is