From 96679897294bf893e91a81b0005ef05c82c03258 Mon Sep 17 00:00:00 2001
From: lecoanet
Date: Mon, 13 Nov 2000 10:12:58 +0000
Subject: Ajout de la m�thode Render et des attributs -linealpha et -fillalpha.

---
 generic/Rectangle.c | 98 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 98 insertions(+)

(limited to 'generic/Rectangle.c')

diff --git a/generic/Rectangle.c b/generic/Rectangle.c
index 9f3a69a..840a45b 100644
--- a/generic/Rectangle.c
+++ b/generic/Rectangle.c
@@ -69,12 +69,16 @@ typedef struct _RectangleItemStruct {
   Pixmap	line_pattern;
   ZnColorGradient fill_color;
   ZnGradientGeom  grad_geom;
+  int		line_alpha;
+  int		fill_alpha;
   char		*tile_name;
   
   /* Private data */
   ZnPoint	dev[4];
   ZnImage	tile;
   ZnColorGradient gradient;
+  ArtSVP	*outline_svp;
+  ArtSVP	*fill_svp;
 } RectangleItemStruct, *RectangleItem;
 
 
@@ -85,6 +89,8 @@ static ZnAttrConfig	rect_attrs[] = {
   { ZN_CONFIG_BOOL, "-composescale", NULL,
     Tk_Offset(RectangleItemStruct, header.flags), COMPOSE_SCALE_BIT,
     ZN_COORDS_FLAG, False },
+  { ZN_CONFIG_UINT, "-fillalpha", NULL,
+    Tk_Offset(RectangleItemStruct, fill_alpha), 0, ZN_DRAW_FLAG, False },
   { ZN_CONFIG_GRADIENT_COLOR, "-fillcolor", NULL,
     Tk_Offset(RectangleItemStruct, fill_color), 0,
     ZN_DRAW_FLAG|ZN_BORDER_FLAG, False },
@@ -94,6 +100,8 @@ static ZnAttrConfig	rect_attrs[] = {
     Tk_Offset(RectangleItemStruct, fill_pattern), 0, ZN_DRAW_FLAG, False },
   { ZN_CONFIG_GRADIENT_GEOM, "-gradient", NULL,
     Tk_Offset(RectangleItemStruct, grad_geom), 0, ZN_DRAW_FLAG, False },
+  { ZN_CONFIG_UINT, "-linealpha", NULL,
+    Tk_Offset(RectangleItemStruct, line_alpha), 0, ZN_DRAW_FLAG, False },
   { ZN_CONFIG_COLOR, "-linecolor", NULL,
     Tk_Offset(RectangleItemStruct, line_color), 0,
     ZN_DRAW_FLAG, False },
@@ -198,9 +206,12 @@ Init(Item		item,
   rect->tile = ZnUnspecifiedImage;
   rect->fill_pattern = ZnUnspecifiedPattern;
   rect->line_color = ZnGetColorByValue(wi->win, wi->fore_color);
+  rect->line_alpha = 255;
   rect->fill_color = ZnGetColorGradient(wi->interp, wi->win,
 					ZnNameOfColor(wi->fore_color));
+  rect->fill_alpha = 255;
   rect->grad_geom = NULL;
+  rect->outline_svp = rect->fill_svp = NULL;
   
   return ZN_OK;
 }
@@ -243,6 +254,10 @@ Clone(Item	item)
   if (rect->grad_geom) {
     rect->grad_geom = GradientGeomDuplicate(rect->grad_geom);
   }
+  if (rect->outline_svp) {
+  }
+  if (rect->fill_svp) {
+  }
 }
 
 
@@ -280,6 +295,12 @@ Destroy(Item	item)
   if (rect->grad_geom) {
     GradientGeomDelete(rect->grad_geom);
   }
+  if (rect->outline_svp) {
+    art_svp_free(rect->outline_svp);
+  }
+  if (rect->fill_svp) {
+    art_svp_free(rect->fill_svp);
+  }
 }
 
 
@@ -402,6 +423,50 @@ ComputeCoordinates(Item		item,
     item->item_bounding_box.corner.x += rect->line_width;
     item->item_bounding_box.corner.y += rect->line_width;
   }
+  item->item_bounding_box.orig.x -= 1;
+  item->item_bounding_box.orig.y -= 1;
+  item->item_bounding_box.corner.x += 1;
+  item->item_bounding_box.corner.y += 1;
+  
+  if (wi->local_render) {
+    ArtVpath	vpath[6];
+
+    if (ISSET(rect->flags, FILLED_BIT) || rect->line_width) {
+      vpath[0].code = ART_MOVETO;
+      vpath[0].x = rect->dev[0].x;
+      vpath[0].y = rect->dev[0].y;
+      vpath[1].code = ART_LINETO;
+      vpath[1].x = rect->dev[3].x;
+      vpath[1].y = rect->dev[3].y;
+      vpath[2].code = ART_LINETO;
+      vpath[2].x = rect->dev[2].x;
+      vpath[2].y = rect->dev[2].y;
+      vpath[3].code = ART_LINETO;
+      vpath[3].x = rect->dev[1].x;
+      vpath[3].y = rect->dev[1].y;
+      vpath[4].code = ART_LINETO;
+      vpath[4].x = rect->dev[0].x;
+      vpath[4].y = rect->dev[0].y;
+      vpath[5].code = ART_END;
+    }
+    if (rect->fill_svp) {
+      art_svp_free(rect->fill_svp);
+      rect->fill_svp = NULL;
+    }
+    if (ISSET(rect->flags, FILLED_BIT)) {
+      rect->fill_svp = art_svp_from_vpath(vpath);
+    }
+    if (rect->outline_svp) {
+      art_svp_free(rect->outline_svp);
+      rect->outline_svp = NULL;
+    }
+    if (rect->line_width) {
+      rect->outline_svp = art_svp_vpath_stroke(vpath,
+					       ART_PATH_STROKE_JOIN_MITER,
+					       ART_PATH_STROKE_CAP_SQUARE,
+					       rect->line_width, 2, 1);
+    }
+  }
 }
 
 
@@ -599,6 +664,38 @@ Draw(Item	item)
 /*
  **********************************************************************************
  *
+ * Render --
+ *
+ **********************************************************************************
+ */
+static void
+Render(Item	item)
+{
+  WidgetInfo	*wi  = item->wi;
+  RectangleItem	rect = (RectangleItem) item;
+  XColor	*color = ZnColorGradientMidColor(wi->win, rect->fill_color);
+  ArtPixBuf	*pixbuf = NULL;
+  
+  if (rect->fill_svp != NULL) {
+    if (strlen(rect->tile_name) != 0) {
+      pixbuf = GetImagePixbuf(wi->win, rect->tile_name, rect->tile);
+    }
+    ITEM_P.RenderSVP(wi, rect->fill_svp, color->red, color->green,
+		     color->blue, rect->fill_alpha & 0xff,
+		     item->item_bounding_box.orig.x,
+		     item->item_bounding_box.orig.y, pixbuf);
+  }
+  if (rect->outline_svp != NULL) {
+    ITEM_P.RenderSVP(wi, rect->outline_svp, rect->line_color->red,
+		     rect->line_color->green, rect->line_color->blue,
+		     rect->line_alpha & 0xff, 0, 0, NULL);
+  }
+}
+  
+
+/*
+ **********************************************************************************
+ *
  * IsSensitive --
  *
  **********************************************************************************
@@ -831,6 +928,7 @@ static ItemClassStruct RECTANGLE_ITEM_CLASS = {
   ComputeCoordinates,
   ToArea,
   Draw,
+  Render,
   IsSensitive,
   Pick,
   NULL,			/* PickVertex */
-- 
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