From d499af80ce3f5936de9ad60c634f4045914b4992 Mon Sep 17 00:00:00 2001
From: lecoanet
Date: Mon, 13 Nov 2000 10:11:38 +0000
Subject: Ajout de la m�thode Render et d'un attribut -alpha valable en mode
 rendu local. Modif de la m�thode Pick pour utiliser les nouvelles
 fonctionalit�s du module Image.c

---
 generic/Icon.c | 54 +++++++++++++++++++++++++++++++++++++++++++++++-------
 1 file changed, 47 insertions(+), 7 deletions(-)

(limited to 'generic/Icon.c')

diff --git a/generic/Icon.c b/generic/Icon.c
index ea4ecfd..c9635a1 100644
--- a/generic/Icon.c
+++ b/generic/Icon.c
@@ -56,6 +56,7 @@ typedef struct _IconItemStruct {
   ZnAnchor	connection_anchor;
   Pixmap	mask;	/* Used only if the image is *NOT* specified */
   ZnColor	color;	/* Used with the mask */
+  int		alpha;
   
   /* Private data */
   ZnPoint	pos_dev;
@@ -64,6 +65,8 @@ typedef struct _IconItemStruct {
 
 
 static ZnAttrConfig	icon_attrs[] = {
+  { ZN_CONFIG_UINT, "-alpha", NULL,
+    Tk_Offset(IconItemStruct, alpha), 0, ZN_DRAW_FLAG, False },
   { ZN_CONFIG_ANCHOR, "-anchor", NULL,
     Tk_Offset(IconItemStruct, anchor), 0, ZN_COORDS_FLAG, False },
   { ZN_CONFIG_COLOR, "-color", NULL,
@@ -154,7 +157,8 @@ Init(Item		item,
   icon->connection_anchor = ZnAnchorSW;
   icon->mask = ZnUnspecifiedPattern;
   icon->color = ZnGetColorByValue(wi->win, wi->fore_color);
-
+  icon->alpha = 255;
+  
   return ZN_OK;
 }
 
@@ -526,6 +530,41 @@ Draw(Item	item)
 /*
  **********************************************************************************
  *
+ * Render --
+ *
+ **********************************************************************************
+ */
+static void
+Render(Item	item)
+{
+  WidgetInfo	*wi = item->wi;
+  IconItem	icon = (IconItem) item;
+
+  if (icon->image != ZnUnspecifiedImage) {
+    ArtPixBuf	*pixbuf;
+    pixbuf = GetImagePixbuf(wi->win, icon->image_name, icon->image);
+    rgb_image(wi->buf.buf, wi->buf.ox, wi->buf.oy,
+	      wi->buf.cx, wi->buf.cy, wi->buf.rowstride,
+	      pixbuf, icon->pos_dev.x, icon->pos_dev.y, icon->alpha);
+  }
+  else if (icon->mask != ZnUnspecifiedPattern) {
+    BitmapBits	*bitmap = GetBitmapMask(wi->dpy, icon->mask);
+    art_u32	rgba;
+
+    rgba = (((icon->color->red & 0xff00) << 16) |
+	    ((icon->color->green & 0xff00) << 8) |
+	    (icon->color->blue & 0xff00) | (icon->alpha & 0xff));
+    rgb_bitmap(wi->buf.buf, wi->buf.ox, wi->buf.oy,
+	       wi->buf.cx, wi->buf.cy, wi->buf.rowstride,
+	       bitmap->pixels, icon->pos_dev.x, icon->pos_dev.y,
+	       bitmap->width, bitmap->height, bitmap->rowstride, rgba);
+  }
+}
+
+
+/*
+ **********************************************************************************
+ *
  * IsSensitive --
  *
  **********************************************************************************
@@ -572,7 +611,7 @@ Pick(Item	item,
    * vicinity.
    */
   if (dist <= 0.0) {    
-    XImage	*bitmap=NULL;
+    BitmapBits	*bitmap=NULL;
     ImageBits	*im_bits;
     ZnPoint	dp;
     
@@ -586,7 +625,7 @@ Pick(Item	item,
 	goto out_pick;
       }
       im_bits = GetImageBits(wi->win, icon->image_name, icon->image);
-      bitmap = im_bits->mask;
+      bitmap = im_bits->b_bits;
     }
     else if (icon->mask != ZnUnspecifiedPattern) {
       Tk_SizeOfBitmap(wi->dpy, icon->mask, &width, &height);
@@ -596,10 +635,10 @@ Pick(Item	item,
       }
       bitmap = GetBitmapMask(wi->dpy, icon->mask);
     }
-    if (bitmap != ZnUnspecifiedPattern) {
-      /*printf("dpx=%g, dpy=%g, width=%d, height=%d, pixel=%ld\n", dp.x, dp.y,
-	width, height, XGetPixel(bitmap, (int) dp.x, (int) dp.y));*/
-      if (! XGetPixel(bitmap, (int) dp.x, (int) dp.y)) {
+    if (bitmap != NULL) {
+      int  x = (int) dp.x;
+      int  y = (int) dp.y;
+      if (! GetBitmapPixel(bitmap, x, y)) {
 	dist = off_dist;
       }
     }
@@ -767,6 +806,7 @@ static ItemClassStruct ICON_ITEM_CLASS = {
   ComputeCoordinates,
   ToArea,
   Draw,
+  Render,
   IsSensitive,
   Pick,
   NULL,			/* PickVertex */
-- 
cgit v1.1