From 43907650b84fe72741678e0c992555d762f50777 Mon Sep 17 00:00:00 2001
From: lecoanet
Date: Mon, 13 Nov 2000 10:14:51 +0000
Subject: D�but d'impl�mentation de la m�thode Render et modif de
 ComputeCoordinates. Ajout des attributs -linealpha et -fillalpha.

---
 generic/Curve.c | 54 +++++++++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 53 insertions(+), 1 deletion(-)

diff --git a/generic/Curve.c b/generic/Curve.c
index 46eaa05..df32562 100644
--- a/generic/Curve.c
+++ b/generic/Curve.c
@@ -88,12 +88,16 @@ typedef struct _CurveItemStruct {
   Pixmap	line_pattern;
   ZnColor	line_color;
   ZnColor	marker_color;
-  char		*tile_name;
+  int		line_alpha;
+  int		fill_alpha;
+   char		*tile_name;
   
   /* Private data */
   ZnImage	tile;
   ZnPoly	dev_shape;
   ZnColorGradient gradient;
+  ArtSVP	*outline_svp;
+  ArtSVP	*fill_svp;
 #ifdef GPC
   gpc_tristrip	tristrip;
 #endif
@@ -111,6 +115,8 @@ static ZnAttrConfig	cv_attrs[] = {
   { ZN_CONFIG_BOOL, "-composescale", NULL,
     Tk_Offset(CurveItemStruct, header.flags), COMPOSE_SCALE_BIT,
     ZN_COORDS_FLAG, False },
+  { ZN_CONFIG_UINT, "-fillalpha", NULL,
+    Tk_Offset(CurveItemStruct, fill_alpha), 0, ZN_DRAW_FLAG, False },
   { ZN_CONFIG_GRADIENT_COLOR, "-fillcolor", NULL,
     Tk_Offset(CurveItemStruct, fill_color), 0,
     ZN_DRAW_FLAG|ZN_BORDER_FLAG, False },
@@ -127,6 +133,8 @@ static ZnAttrConfig	cv_attrs[] = {
     ZN_COORDS_FLAG, False },
   { ZN_CONFIG_LINE_END, "-lastend", NULL,
     Tk_Offset(CurveItemStruct, last_end), 0, ZN_COORDS_FLAG, False },
+  { ZN_CONFIG_UINT, "-linealpha", NULL,
+    Tk_Offset(CurveItemStruct, line_alpha), 0, ZN_DRAW_FLAG, False },
   { ZN_CONFIG_COLOR, "-linecolor", NULL,
     Tk_Offset(CurveItemStruct, line_color), 0,
     ZN_DRAW_FLAG, False },
@@ -276,6 +284,7 @@ Init(Item		item,
   cv->line_color = ZnGetColorByValue(wi->win, wi->fore_color);
   cv->marker_color = ZnGetColorByValue(wi->win, wi->fore_color);
   cv->grad_geom = NULL;
+  cv->outline_svp = cv->fill_svp = NULL;
 
   return ZN_OK;
 }
@@ -354,6 +363,10 @@ Clone(Item	item)
   if (cv->grad_geom) {
     cv->grad_geom = GradientGeomDuplicate(cv->grad_geom);
   }
+  if (cv->outline_svp) {
+  }
+  if (cv->fill_svp) {
+  }
 }
 
 
@@ -409,6 +422,12 @@ Destroy(Item	item)
     gpc_free_tristrip(&cv->tristrip);
   }  
 #endif
+  if (cv->outline_svp) {
+    art_svp_free(cv->outline_svp);
+  }
+  if (cv->fill_svp) {
+    art_svp_free(cv->fill_svp);
+  }
 }
 
 
@@ -1173,6 +1192,38 @@ Draw(Item	item)
 /*
  **********************************************************************************
  *
+ * Render --
+ *
+ **********************************************************************************
+ */
+static void
+Render(Item	item)
+{
+  WidgetInfo	*wi = item->wi;
+  CurveItem	cv = (CurveItem) item;
+  XColor	*color = ZnColorGradientMidColor(wi->win, cv->fill_color);
+  ArtPixBuf	*pixbuf = NULL;
+  
+  if (cv->fill_svp != NULL) {
+    if (strlen(cv->tile_name) != 0) {
+      pixbuf = GetImagePixbuf(wi->win, cv->tile_name, cv->tile);
+    }
+    ITEM_P.RenderSVP(wi, cv->fill_svp, color->red, color->green,
+		     color->blue, cv->fill_alpha & 0xff,
+		     item->item_bounding_box.orig.x,
+		     item->item_bounding_box.orig.y, pixbuf);
+  }
+  if (cv->outline_svp != NULL) {
+    ITEM_P.RenderSVP(wi, cv->outline_svp, cv->line_color->red,
+		     cv->line_color->green, cv->line_color->blue,
+		     cv->line_alpha & 0xff, 0, 0, NULL);
+  }
+}
+
+
+/*
+ **********************************************************************************
+ *
  * IsSensitive --
  *
  **********************************************************************************
@@ -1664,6 +1715,7 @@ static ItemClassStruct CURVE_ITEM_CLASS = {
   ComputeCoordinates,
   ToArea,
   Draw,
+  Render,
   IsSensitive,
   Pick,
   PickVertex,		/* PickVertex */
-- 
cgit v1.1