[gtk+/wip/alexl/broadway4: 80/96] broadway: Add border node

[Alexander Larsson <alexl src gnome org>]

commit cf03229a99a243031a82f3e13bc08aa3aad0efcc
Author: Alexander Larsson <alexl redhat com>
Date:   Tue Nov 21 23:01:00 2017 +0100

    broadway: Add border node

 gdk/broadway/broadway-protocol.h |    1 +
 gdk/broadway/broadway.js         |   66 +++++++++++++++++++++++++++++++++++++-
 gdk/broadway/broadwayd.c         |   12 ++++++-
 gsk/gskbroadwayrenderer.c        |   51 ++++++++++++++++++++++++++++-
 4 files changed, 127 insertions(+), 3 deletions(-)
---
diff --git a/gdk/broadway/broadway-protocol.h b/gdk/broadway/broadway-protocol.h
index 57b3110..cb2c68f 100644
--- a/gdk/broadway/broadway-protocol.h
+++ b/gdk/broadway/broadway-protocol.h
@@ -12,6 +12,7 @@ typedef enum { /* Sync changes with broadway.js */
   BROADWAY_NODE_TEXTURE,
   BROADWAY_NODE_CONTAINER,
   BROADWAY_NODE_COLOR,
+  BROADWAY_NODE_BORDER,
 } BroadwayNodeType;
 
 typedef enum {
diff --git a/gdk/broadway/broadway.js b/gdk/broadway/broadway.js
index 5bf9bfe..cbf5b2e 100644
--- a/gdk/broadway/broadway.js
+++ b/gdk/broadway/broadway.js
@@ -293,6 +293,7 @@ function cmdLowerSurface(id)
 
 function SwapNodes(node_data, div) {
     this.node_data = node_data;
+    this.node_data_signed = new Int32Array(node_data);
     this.data_pos = 0;
     this.div = div;
     this.div2 = document.createElement('div');
@@ -324,6 +325,10 @@ SwapNodes.prototype.decode_uint32 = function() {
     return this.node_data[this.data_pos++];
 }
 
+SwapNodes.prototype.decode_int32 = function() {
+    return this.node_data_signed[this.data_pos++];
+}
+
 SwapNodes.prototype.decode_color = function() {
     var rgba = this.decode_uint32();
     a = (rgba >> 24) & 0xff;
@@ -337,6 +342,35 @@ SwapNodes.prototype.decode_color = function() {
     return c
 }
 
+SwapNodes.prototype.decode_float = function() {
+    return this.decode_int32() / 256.0;
+}
+
+SwapNodes.prototype.decode_size = function() {
+    var s = new Object();
+    s.width = this.decode_float ();
+    s.height = this.decode_float ();
+    return s
+}
+
+SwapNodes.prototype.decode_rect = function() {
+    var r = new Object();
+    r.x = this.decode_float ();
+    r.y = this.decode_float ();
+    r.width = this.decode_float ();
+    r.height = this.decode_float ();
+    return r;
+}
+
+SwapNodes.prototype.decode_rounded_rect = function() {
+    var r = new Object();
+    r.bounds = this.decode_rect();
+    r.sizes = []
+    for (var i = 0; i < 4; i++)
+       r.sizes[i] = this.decode_size();
+    return r
+}
+
 SwapNodes.prototype.handle_node = function(parent)
 {
     var type = this.decode_uint32();
@@ -372,8 +406,8 @@ SwapNodes.prototype.handle_node = function(parent)
         var y = this.decode_uint32();
         var width = this.decode_uint32();
         var height = this.decode_uint32();
-       var div = document.createElement('div');
        var c = this.decode_color ()
+       var div = document.createElement('div');
         div.style["position"] = "absolute";
         div.style["left"] = x + "px";
         div.style["top"] = y + "px";
@@ -383,6 +417,36 @@ SwapNodes.prototype.handle_node = function(parent)
         parent.appendChild(div);
         break;
 
+    case 3:  // BORDER
+       var rrect = this.decode_rounded_rect();
+       var border_widths = []
+       for (var i = 0; i < 4; i++)
+           border_widths[i] = this.decode_float();
+       var border_colors = []
+       for (var i = 0; i < 4; i++)
+           border_colors[i] = this.decode_color();
+
+       var div = document.createElement('div');
+        div.style["position"] = "absolute";
+        div.style["left"] = (rrect.bounds.x + border_widths[3]) + "px";
+        div.style["top"] = (rrect.bounds.y + border_widths[0]) + "px";
+        div.style["width"] = (rrect.bounds.width - border_widths[1] - border_widths[3]) + "px";
+        div.style["height"] = (rrect.bounds.height - border_widths[0] - border_widths[2]) + "px";
+       div.style["border-style"] = "solid";
+       div.style["border-top-left-radius"] = rrect.sizes[0].width + "px " + rrect.sizes[0].height + "px"
+       div.style["border-top-right-radius"] = rrect.sizes[1].width + "px " + rrect.sizes[1].height + "px"
+       div.style["border-bottom-right-radius"] = rrect.sizes[2].width + "px " + rrect.sizes[2].height + "px"
+       div.style["border-bottom-left-radius"] = rrect.sizes[3].width + "px " + rrect.sizes[3].height + "px"
+       div.style["border-top-color"] = border_colors[0];
+       div.style["border-top-width"] = border_widths[0] + "px";
+       div.style["border-right-color"] = border_colors[1];
+       div.style["border-right-width"] = border_widths[1] + "px";
+       div.style["border-bottom-color"] = border_colors[2];
+       div.style["border-bottom-width"] = border_widths[2] + "px";
+       div.style["border-left-color"] = border_colors[3];
+       div.style["border-left-width"] = border_widths[3] + "px";
+        parent.appendChild(div);
+        break;
     default:
         alert("Unexpected node type " + type);
     }
diff --git a/gdk/broadway/broadwayd.c b/gdk/broadway/broadwayd.c
index 55a23b3..a26fc5a 100644
--- a/gdk/broadway/broadwayd.c
+++ b/gdk/broadway/broadwayd.c
@@ -215,6 +215,13 @@ get_client_serial (BroadwayClient *client, guint32 daemon_serial)
   return client_serial;
 }
 
+#define NODE_SIZE_COLOR 1
+#define NODE_SIZE_FLOAT 1
+#define NODE_SIZE_POINT 2
+#define NODE_SIZE_SIZE 2
+#define NODE_SIZE_RECT (NODE_SIZE_POINT + NODE_SIZE_SIZE)
+#define NODE_SIZE_RRECT (NODE_SIZE_RECT + 4 * NODE_SIZE_SIZE)
+
 static int
 rewrite_node_textures (BroadwayClient *client,
                        int len, guint32 data[], int pos)
@@ -227,7 +234,10 @@ rewrite_node_textures (BroadwayClient *client,
   type = data[pos++];
   switch (type) {
   case BROADWAY_NODE_COLOR:
-    pos += 5;
+    pos += NODE_SIZE_RECT + NODE_SIZE_COLOR;
+    break;
+  case BROADWAY_NODE_BORDER:
+    pos += NODE_SIZE_RRECT + 4 * NODE_SIZE_FLOAT + 4 * NODE_SIZE_COLOR;
     break;
   case BROADWAY_NODE_TEXTURE:
     data[pos+4] = GPOINTER_TO_INT (g_hash_table_lookup (client->textures,
diff --git a/gsk/gskbroadwayrenderer.c b/gsk/gskbroadwayrenderer.c
index f22f404..9269312 100644
--- a/gsk/gskbroadwayrenderer.c
+++ b/gsk/gskbroadwayrenderer.c
@@ -108,6 +108,44 @@ add_rgba (GArray *nodes, const GdkRGBA *rgba)
 }
 
 static void
+add_float (GArray *nodes, float f)
+{
+  gint32 i = (gint32) (f * 256.0f);
+  guint u = (guint32) i;
+  g_array_append_val (nodes, u);
+}
+
+static void
+add_point (GArray *nodes, const graphene_point_t *point)
+{
+  add_float (nodes, point->x);
+  add_float (nodes, point->y);
+}
+
+static void
+add_size (GArray *nodes, const graphene_size_t *size)
+{
+  add_float (nodes, size->width);
+  add_float (nodes, size->height);
+}
+
+static void
+add_rect (GArray *nodes, const graphene_rect_t *rect)
+{
+  add_point (nodes, &rect->origin);
+  add_size (nodes, &rect->size);
+}
+
+static void
+add_rounded_rect (GArray *nodes, const GskRoundedRect *rrect)
+{
+  int i;
+  add_rect (nodes, &rrect->bounds);
+  for (i = 0; i < 4; i++)
+    add_size (nodes, &rrect->corner[i]);
+}
+
+static void
 gsk_broadway_renderer_add_node (GskRenderer *self,
                                 GArray *nodes,
                                 GPtrArray *node_textures,
@@ -139,7 +177,6 @@ gsk_broadway_renderer_add_node (GskRenderer *self,
 
     case GSK_COLOR_NODE:
       {
-
         add_uint32 (nodes, BROADWAY_NODE_COLOR);
         add_uint32 (nodes, x);
         add_uint32 (nodes, y);
@@ -149,6 +186,18 @@ gsk_broadway_renderer_add_node (GskRenderer *self,
       }
       return;
 
+    case GSK_BORDER_NODE:
+      {
+       int i;
+        add_uint32 (nodes, BROADWAY_NODE_BORDER);
+       add_rounded_rect (nodes, gsk_border_node_peek_outline (node));
+       for (i = 0; i < 4; i++)
+         add_float (nodes, gsk_border_node_peek_widths (node)[i]);
+       for (i = 0; i < 4; i++)
+         add_rgba (nodes, &gsk_border_node_peek_colors (node)[i]);
+      }
+      return;
+
     default:
       {
         cairo_surface_t *surface;