From 6b36f92065f054abd810d956169a87180677d4f7 Mon Sep 17 00:00:00 2001
From: lecoanet
Date: Mon, 18 Feb 2002 16:03:54 +0000
Subject: Passage des couleurs en gradients pour uniformiser

---
 generic/Arc.c | 29 +++++++++++------------------
 1 file changed, 11 insertions(+), 18 deletions(-)

(limited to 'generic/Arc.c')

diff --git a/generic/Arc.c b/generic/Arc.c
index f370057..c65a4f1 100644
--- a/generic/Arc.c
+++ b/generic/Arc.c
@@ -74,12 +74,11 @@ typedef struct _ArcItemStruct {
   Pixmap	line_pattern;
   Pixmap	fill_pattern;
   ZnGradient	*fill_color;
-  ZnColor	line_color;
+  ZnGradient	*line_color;
   ZnDim		line_width;
   LineStyle	line_style;
   ZnLineEnd	first_end;
   ZnLineEnd	last_end;
-  int		line_alpha;
   char		*tile_name;
   unsigned char flags;
 
@@ -115,9 +114,7 @@ static ZnAttrConfig	arc_attrs[] = {
     Tk_Offset(ArcItemStruct, first_end), 0, ZN_COORDS_FLAG, False },
   { ZN_CONFIG_LINE_END, "-lastend", NULL,
     Tk_Offset(ArcItemStruct, last_end), 0, ZN_COORDS_FLAG, False },
-  { ZN_CONFIG_ALPHA, "-linealpha", NULL,
-    Tk_Offset(ArcItemStruct, line_alpha), 0, ZN_DRAW_FLAG, False },
-  { ZN_CONFIG_COLOR, "-linecolor", NULL,
+  { ZN_CONFIG_GRADIENT, "-linecolor", NULL,
     Tk_Offset(ArcItemStruct, line_color), 0,
     ZN_DRAW_FLAG|ZN_BORDER_FLAG, False },
   { ZN_CONFIG_PATTERN, "-linepattern", NULL,
@@ -228,10 +225,8 @@ Init(Item		item,
   (*args)++;
   (*argc)--;
 
-  arc->fill_color = ZnGetGradient(wi->interp, wi->win,
-				  ZnNameOfColor(wi->fore_color));
-  arc->line_alpha = 100;
-  arc->line_color = ZnGetColorByValue(wi->win, wi->fore_color);
+  arc->fill_color = ZnGetGradientByValue(wi->fore_gradient);
+  arc->line_color = ZnGetGradientByValue(wi->fore_gradient);
   
   return ZN_OK;
 }
@@ -273,7 +268,7 @@ Clone(Item	item)
     arc->fill_pattern = Tk_GetBitmap(wi->interp, wi->win,
 				     Tk_NameOfBitmap(wi->dpy, arc->fill_pattern));
   }
-  arc->line_color = ZnGetColorByValue(wi->win, arc->line_color);
+  arc->line_color = ZnGetGradientByValue(arc->line_color);
   arc->fill_color = ZnGetGradientByValue(arc->fill_color);
   arc->render_shape = NULL;
 }
@@ -318,7 +313,7 @@ Destroy(Item	item)
     ZnFree(arc->grad_geo);
   }
   ZnFreeGradient(arc->fill_color);
-  ZnFreeColor(arc->line_color);
+  ZnFreeGradient(arc->line_color);
 }
 
 
@@ -1073,9 +1068,7 @@ Draw(Item	item)
   
   /* Fill if requested */
   if (ISSET(arc->flags, FILLED_BIT)) {
-    values.foreground = ZnPixel(ZnGetGradientColor(wi->win,
-						   arc->fill_color,
-						   0.0, NULL));
+    values.foreground = ZnPixel(ZnGetGradientColor(arc->fill_color, 0.0, NULL));
     values.arc_mode = ISSET(arc->flags, PIE_SLICE_BIT) ? ArcPieSlice : ArcChord;
     if (arc->tile != ZnUnspecifiedImage) { /* Fill Tiled */
       Pixmap pmap = GetImagePixmap(wi->win, arc->tile_name, arc->tile, NULL);
@@ -1120,7 +1113,7 @@ Draw(Item	item)
     ZnPoint	tang;
       
     SetLineStyle(wi, arc->line_style);
-    values.foreground = ZnPixel(arc->line_color);
+    values.foreground = ZnPixel(ZnGetGradientColor(arc->line_color, 0, NULL));
     values.line_width = (arc->line_width == 1) ? 0 : arc->line_width;
     values.cap_style = CapRound;
     values.join_style = JoinRound;
@@ -1286,8 +1279,8 @@ Render(Item	item)
 	glEnable(GL_POLYGON_STIPPLE);
 	glPolygonStipple(GetBitmapMask(wi->dpy, arc->fill_pattern)->pixels);
       }
-      color = ZnGetGradientColor(wi->win, arc->fill_color, 0.0, &alpha);
-      alpha = alpha*wi->alpha/100*65535/100;
+      color = ZnGetGradientColor(arc->fill_color, 0.0, &alpha);
+      alpha = ZnComposeAlpha(alpha, wi->alpha);
       glColor4us(color->red, color->green, color->blue, alpha);
       ArcRenderCB(arc);
       glDisable(GL_POLYGON_STIPPLE);
@@ -1314,7 +1307,7 @@ Render(Item	item)
     }
     RenderPolyline(wi, p, num_points, arc->line_width, False,
 		   arc->line_style, CapRound, JoinRound, first, last,
-		   arc->line_color, arc->line_alpha*wi->alpha/100*65535/100);
+		   arc->line_color);
   }
 #endif
 }
-- 
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