X-Git-Url: https://git.distorted.org.uk/~mdw/clg/blobdiff_plain/2859caad86eeda767107d58307a7e6a803b1378a..a5ac639f04ec80ce4bcc9f3c6c3cd58c01fc9a44:/cairo/cairo.lisp

diff --git a/cairo/cairo.lisp b/cairo/cairo.lisp
index 276d603..d90b658 100644
--- a/cairo/cairo.lisp
+++ b/cairo/cairo.lisp
@@ -20,12 +20,19 @@
 ;; TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 ;; SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
-;; $Id: cairo.lisp,v 1.7 2006/12/24 14:28:20 espen Exp $
+;; $Id: cairo.lisp,v 1.10 2007/01/13 00:15:36 espen Exp $
 
 (in-package "CAIRO")
 
 (eval-when (:compile-toplevel :load-toplevel :execute)
   (define-enum-type surface-format :argb32 :rgb24 :a8 :a1)
+  #?(pkg-exists-p "cairo" :atleast-version "1.2")
+  (define-enum-type content :color :alpha :color-alpha)
+  #?(pkg-exists-p "cairo" :atleast-version "1.2")
+  (define-enum-type surface-type 
+    :image :pdf :ps :xlib :xcb :glitz :quartz :win32 :beos :directfb 
+    :svg :nquartz :os2)
+  
 
   (define-enum-type status
     :success :no-memory :invalid-restore :invalid-pop-group
@@ -70,13 +77,13 @@
       :type double-float))
     (:metaclass struct-class))
 
-  (defclass font-face (proxy)
+  (defclass font-face (ref-counted-object)
     ()
     (:metaclass proxy-class)
     (:ref %font-face-reference)
     (:unref %font-face-destroy))
 
-  (defclass font-options (proxy)
+  (defclass font-options (ref-counted-object)
     ((antialias
       :allocation :virtual 
       :getter "font_options_get_antialias"
@@ -105,7 +112,7 @@
     (:ref %font-options-reference)
     (:unref %font-options-destroy))
 
-  (defclass scaled-font (proxy)
+  (defclass scaled-font (ref-counted-object)
     ()
     (:metaclass proxy-class)
     (:ref %scaled-font-reference)
@@ -136,7 +143,7 @@
      (y-advance :allocation :alien :reader text-extents-y-advance :type double-float))
     (:metaclass struct-class))
 
-  (defclass pattern (proxy)
+  (defclass pattern (ref-counted-object)
     ((extend
       :allocation :virtual 
       :getter "cairo_pattern_get_extend"
@@ -160,13 +167,24 @@
     (:unref %pattern-destroy))
 
 
-  (defclass surface (proxy)
-    ()
+  (defclass surface (ref-counted-object)
+    (#?(pkg-exists-p "cairo" :atleast-version "1.2")
+     (type
+      :allocation :virtual 
+      :getter "cairo_surface_get_type"
+      :reader surface-type
+      :type surface-type)
+     #?(pkg-exists-p "cairo" :atleast-version "1.2")
+     (content 
+      :allocation :virtual 
+      :getter "cairo_surface_get_content"
+      :reader surface-content
+      :type content))
     (:metaclass proxy-class)
     (:ref %surface-reference)
     (:unref %surface-destroy))
 
-  (defclass context (proxy)
+  (defclass context (ref-counted-object)
     ((target
       :allocation :virtual 
       :getter "cairo_get_target"
@@ -256,7 +274,19 @@
     (:unref %destroy))
 
   (defclass image-surface (surface)
-    ((width
+    (#?(pkg-exists-p "cairo" :atleast-version "1.2")
+     (data
+      :allocation :virtual 
+      :getter "cairo_image_surface_get_data"
+      :reader surface-data
+      :type pointer)
+     #?(pkg-exists-p "cairo" :atleast-version "1.2")
+     (format
+      :allocation :virtual 
+      :getter "cairo_image_surface_get_format"
+      :reader surface-format
+      :type surface-format)
+     (width
       :allocation :virtual 
       :getter "cairo_image_surface_get_width"
       :reader surface-width
@@ -265,10 +295,42 @@
       :allocation :virtual 
       :getter "cairo_image_surface_get_height"
       :reader surface-height
+      :type int)
+     #?(pkg-exists-p "cairo" :atleast-version "1.2")
+     (stride
+      :allocation :virtual 
+      :getter "cairo_image_surface_get_stride"
+      :reader surface-height
       :type int))
-    (:metaclass proxy-class)
-    (:ref %surface-reference)
-    (:unref %surface-destroy))
+    (:metaclass proxy-class))
+
+  #?(pkg-exists-p "cairo" :atleast-version "1.2")
+  (progn
+    (defclass xlib-surface (surface)
+      ((width
+	:allocation :virtual 
+	:getter "cairo_xlib_surface_get_width"
+	:reader surface-width
+	:type int)
+       (height
+	:allocation :virtual 
+	:getter "cairo_xlib_surface_get_height"
+	:reader surface-height
+	:type int))
+      (:metaclass proxy-class))
+
+    (defclass pdf-surface (surface)
+      ()
+      (:metaclass proxy-class))
+
+    (defclass ps-surface (surface)
+      ()
+      (:metaclass proxy-class))
+    
+    (defclass svg-surface (surface)
+      ()
+      (:metaclass proxy-class)))
+
 
 
 ;;   (defclass path (proxy)
@@ -280,7 +342,7 @@
 
 ;;; Cairo context
 
-(defbinding %reference () nil
+(defbinding %reference () pointer
   (location pointer))
 
 (defbinding %destroy () nil
@@ -315,12 +377,20 @@
   ((ensure-color-component blue) double-float)
   ((ensure-color-component alpha) double-float))
 
-(defbinding set-source-surface () nil
+(defbinding set-source-surface (cr surface &optional (x 0.0) (y 0.0)) nil
   (cr context)
   (surface surface)
   (x double-float)
   (y double-float))
 
+(defun set-source (cr source)
+  (etypecase source
+    (pattern (setf (source cr) source))
+    (surface (set-source-surface cr source))
+    (list (apply #'set-source-color cr source))
+    (vector (apply #'set-source-color cr (coerce source 'list)))
+    (null (set-source-color cr 0.0 0.0 0.0))))
+
 (defbinding set-dash (cr dashes &optional (offset 0.0)) nil
   (cr context)
   (dashes (vector double-float))
@@ -361,7 +431,7 @@
 		 (cr context)
 		 (x double-float)
 		 (y double-float))
-	       (defbinding ,ename () boolean
+	       (defbinding ,ename () nil
 		 (cr context)
 		 (x1 double-float :out)
 		 (y1 double-float :out)
@@ -399,58 +469,39 @@
 (defbinding close-path () nil
   (cr context))
 
-(defbinding arc () nil
-  (cr context)
-  (xc double-float)
-  (yc double-float)
-  (radius double-float)
-  (angle1 double-float)
-  (angle2 double-float))
-
-(defbinding arc-negative () nil
-  (cr context)
-  (xc double-float)
-  (yc double-float)
-  (radius double-float)
-  (angle1 double-float)
-  (angle2 double-float))
+(defmacro defpath (name args &optional relative-p)
+  (flet ((def (name type)
+	   `(progn
+	      ,(when (eq type 'optimized-double-float)
+		 `(declaim (ftype (function (context ,@(loop repeat (length args) collect 'double-float))) ,(first name))))
+	      (defbinding ,name () nil
+		(cr context)
+		,@(mapcar #'(lambda (arg) (list arg type)) args)))))
+
+  `(progn
+     ,(def name 'double-float)
+     ,(let ((name (intern (format nil "FAST-~A" name)))
+	    (cname (gffi::default-alien-fname name)))
+	(def (list name cname) 'optimized-double-float))
+     ,@(when relative-p
+	 (let* ((rel-name (intern (format nil "REL-~A" name)))
+		(fast-rel-name (intern (format nil "FAST-REL-~A" name)))
+		(cname (gffi::default-alien-fname rel-name)))
+	   (list
+	    (def rel-name 'double-float)
+	    (def (list fast-rel-name cname) 'optimized-double-float)))))))
+
+
+(defpath arc (xc yc radius angle1 angle2))
+(defpath arc-negative (xc yc radius angle1 angle2))
+(defpath curve-to (x1 y1 x2 y2 x3 y3) t)
+(defpath line-to (x y) t)
+(defpath move-to (x y) t)
+(defpath rectangle (x y width height))
 
 (defun circle (cr x y radius)
   (arc cr x y radius 0.0 (* pi 2)))
 
-(defmacro defpath (name &rest args)
-  (let ((relname (intern (format nil "REL-~A" name))))
-    `(progn
-       (defbinding ,name () nil
-	 (cr context)
-	 ,@args)
-       (defbinding ,relname () nil
-	 (cr context)
-	 ,@args))))
-
-(defpath curve-to
-  (x1 double-float)
-  (y1 double-float)
-  (x2 double-float)
-  (y2 double-float)
-  (x3 double-float)
-  (y3 double-float))
-
-(defpath line-to
-  (x double-float)
-  (y double-float))
-
-(defpath move-to
-  (x double-float)
-  (y double-float))
-
-(defbinding rectangle () nil
-  (cr context)
-  (x double-float)
-  (y double-float)
-  (width double-float)
-  (height double-float))
-
 (defbinding glyph-path (cr glyphs) nil
   (cr context)
   (glyphs (vector glyph))
@@ -468,17 +519,17 @@
     (pattern offset red green blue &optional (alpha 1.0)) nil
   (pattern pattern)
   (offset double-float)
-  (red double-float)
-  (green double-float)
-  (blue double-float)
-  (alpha double-float))
+  ((ensure-color-component red) double-float)
+  ((ensure-color-component green) double-float)
+  ((ensure-color-component blue) double-float)
+  ((ensure-color-component alpha) double-float))
 
 (defbinding (pattern-create "cairo_pattern_create_rgba")
     (red green blue &optional (alpha 1.0)) pattern   
-  (red double-float)
-  (green double-float)
-  (blue double-float)
-  (alpha double-float))
+  ((ensure-color-component red) double-float)
+  ((ensure-color-component green) double-float)
+  ((ensure-color-component blue) double-float)
+  ((ensure-color-component alpha) double-float))
 
 (defbinding pattern-create-for-surface () pattern
   (surface surface))
@@ -497,7 +548,7 @@
   (cy1 double-float)
   (radius1 double-float))
 
-(defbinding %pattern-reference () nil
+(defbinding %pattern-reference () pointer
   (location pointer))
 
 (defbinding %pattern-destroy () nil
@@ -515,11 +566,19 @@
   (tx double-float)
   (ty double-float))
 
-(defbinding scale () nil
+(defbinding scale (cr sx &optional (sy sx)) nil
   (cr context)
   (sx double-float)
   (sy double-float))
 
+(defun scale-to-device (cr &optional keep-rotation-p)
+  (if keep-rotation-p
+      (multiple-value-call #'scale cr (device-to-user-distance cr 1.0))
+    (multiple-value-bind (x y) 
+	(multiple-value-call #'user-to-device cr (get-current-point cr))
+      (identity-matrix cr)
+      (translate cr x y))))
+
 (defbinding rotate () nil
   (cr context)
   (angle double-float))
@@ -540,7 +599,7 @@
   (x double-float :in/out)
   (y double-float :in/out))
 
-(defbinding user-to-device-distance (cr dx &optional (dy 0.0)) nil
+(defbinding user-to-device-distance (cr dx &optional (dy dx)) nil
   (cr context)
   (dx double-float :in/out)
   (dy double-float :in/out))
@@ -550,7 +609,7 @@
   (x double-float :in/out)
   (y double-float :in/out))
 
-(defbinding device-to-user-distance (cr dx &optional (dy 0.0)) nil
+(defbinding device-to-user-distance (cr dx &optional (dy dx)) nil
   (cr context)
   (dx double-float :in/out)
   (dy double-float :in/out))
@@ -594,7 +653,7 @@
 
 ;;; Fonts
 
-(defbinding %font-face-reference () nil
+(defbinding %font-face-reference () pointer
   (location pointer))
 
 (defbinding %font-face-destroy () nil
@@ -607,7 +666,7 @@
 
 ;;; Scaled Fonts
 
-(defbinding %scaled-font-reference () nil
+(defbinding %scaled-font-reference () pointer
   (location pointer))
 
 (defbinding %scaled-font-destroy () nil
@@ -670,7 +729,7 @@
 
 ;;; Surfaces
 
-(defbinding %surface-reference () nil
+(defbinding %surface-reference () pointer
   (location pointer))
 
 (defbinding %surface-destroy () nil
@@ -715,6 +774,11 @@
       (%surface-mark-dirty-rectangle surface x y width height)
     (%surface-mark-dirty surface)))
 
+#?(pkg-exists-p "cairo" :atleast-version "1.2")
+(defbinding surface-set-fallback-resolution () nil
+  (surface surface)
+  (x-pixels-per-inch double-float)
+  (y-pixels-per-inch double-float))
 
 
 ;; Image Surface