add PGFrameStyle::set_texture

panda/src/pgui/pgFrameStyle.I

@@ -38,6 +38,7 @@ INLINE PGFrameStyle::
 PGFrameStyle(const PGFrameStyle &copy) :
   _type(copy._type),
   _color(copy._color),
+  _texture(copy._texture),
   _width(copy._width)
 {
 }
@@ -51,6 +52,7 @@ INLINE void PGFrameStyle::
 operator = (const PGFrameStyle &copy) {
   _type = copy._type;
   _color = copy._color;
+  _texture = copy._texture;
   _width = copy._width;
 }
 
@@ -113,6 +115,49 @@ get_color() const {
   return _color;
 }
 
+////////////////////////////////////////////////////////////////////
+//     Function: PGFrameStyle::set_texture
+//       Access: Published
+//  Description: Specifies a texture that should be applied to the
+//               frame.
+////////////////////////////////////////////////////////////////////
+INLINE void PGFrameStyle::
+set_texture(Texture *texture) {
+  _texture = texture;
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: PGFrameStyle::has_texture
+//       Access: Published
+//  Description: Returns true if a texture has been applied to the
+//               frame.
+////////////////////////////////////////////////////////////////////
+INLINE bool PGFrameStyle::
+has_texture() const {
+  return !_texture.is_null();
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: PGFrameStyle::get_texture
+//       Access: Published
+//  Description: Returns the texture that has been applied to the
+//               frame, or NULL if no texture has been applied.
+////////////////////////////////////////////////////////////////////
+INLINE Texture *PGFrameStyle::
+get_texture() const {
+  return _texture;
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: PGFrameStyle::clear_texture
+//       Access: Published
+//  Description: Removes the texture from the frame.
+////////////////////////////////////////////////////////////////////
+INLINE void PGFrameStyle::
+clear_texture() {
+  _texture.clear();
+}
+
 ////////////////////////////////////////////////////////////////////
 //     Function: PGFrameStyle::set_width
 //       Access: Published

panda/src/pgui/pgFrameStyle.cxx

@@ -24,6 +24,14 @@
 #include "transparencyAttrib.h"
 #include "pointerTo.h"
 #include "nodePath.h"
+#include "textureAttrib.h"
+#include "renderState.h"
+
+// Specifies the UV range of textures applied to the frame.  Maybe
+// we'll have a reason to make this a parameter of the frame style one
+// day, but for now it's hardcoded to fit the entire texture over the
+// rectangular frame.
+static const LVecBase4f uv_range = LVecBase4f(0.0f, 1.0f, 0.0f, 1.0f);
 
 ostream &
 operator << (ostream &out, PGFrameStyle::Type type) {
@@ -58,6 +66,9 @@ operator << (ostream &out, PGFrameStyle::Type type) {
 void PGFrameStyle::
 output(ostream &out) const {
   out << _type << " color = " << _color << " width = " << _width;
+  if (has_texture()) {
+    out << " texture = " << *get_texture();
+  }
 }
 
 ////////////////////////////////////////////////////////////////////
@@ -167,7 +178,7 @@ generate_flat_geom(const LVecBase4f &frame) {
   float bottom = frame[2];
   float top = frame[3];
 
-  PTA_int lengths=PTA_int::empty_array(0);
+  PTA_int lengths;
   lengths.push_back(4);
 
   PTA_Vertexf verts;
@@ -185,6 +196,25 @@ generate_flat_geom(const LVecBase4f &frame) {
   colors.push_back(_color);
   geom->set_colors(colors, G_OVERALL);
 
+  if (has_texture()) {
+    // Generate UV's.
+    left = uv_range[0];
+    right = uv_range[1];
+    bottom = uv_range[2];
+    top = uv_range[3];
+    
+    PTA_TexCoordf uvs;
+    uvs.push_back(TexCoordf(left, top));
+    uvs.push_back(TexCoordf(left, bottom));
+    uvs.push_back(TexCoordf(right, top));
+    uvs.push_back(TexCoordf(right, bottom));
+    geom->set_texcoords(uvs, G_PER_VERTEX);
+
+    CPT(RenderState) state = 
+      RenderState::make(TextureAttrib::make(get_texture()));
+    gnode->set_geom_state(0, state);
+  }
+  
   return gnode.p();
 }
 
@@ -345,6 +375,9 @@ generate_bevel_geom(const LVecBase4f &frame, bool in) {
   geom->set_coords(verts);
   geom->set_colors(colors, G_PER_COMPONENT);
 
+  // For now, beveled and grooved geoms don't support textures.  Easy
+  // to add if anyone really wants this.
+  
   return gnode.p();
 }
 
@@ -574,5 +607,8 @@ generate_groove_geom(const LVecBase4f &frame, bool in) {
   geom->set_coords(verts);
   geom->set_colors(colors, G_PER_COMPONENT);
 
+  // For now, beveled and grooved geoms don't support textures.  Easy
+  // to add if anyone really wants this.
+  
   return gnode.p();
 }

panda/src/pgui/pgFrameStyle.h

@@ -22,6 +22,8 @@
 #include "pandabase.h"
 
 #include "luse.h"
+#include "texture.h"
+#include "pointerTo.h"
 
 class PandaNode;
 class NodePath;
@@ -54,6 +56,11 @@ PUBLISHED:
   INLINE void set_color(const Colorf &color);
   INLINE const Colorf &get_color() const;
 
+  INLINE void set_texture(Texture *texture);
+  INLINE bool has_texture() const;
+  INLINE Texture *get_texture() const;
+  INLINE void clear_texture();
+
   INLINE void set_width(float x, float y);
   INLINE void set_width(const LVecBase2f &width);
   INLINE const LVecBase2f &get_width() const;
@@ -72,6 +79,7 @@ private:
 private:
   Type _type;
   Colorf _color;
+  PT(Texture) _texture;
   LVecBase2f _width;
 };