Add automatic generated files and enable text rendering in USDView (P…

…ixarAnimationStudios#76)

UsdView still show nothing for text, because the implementation is not ready.

(cherry picked from commit 5b8b03705b63a8cad9503516d2cbf8b1a8c9a64a)

extras/usd/examples/usdGeomExamples/simpleText.usda

@@ -0,0 +1,23 @@
+#usda 1.0
+
+(
+    upAxis = "Y"
+    doc = """This layer represents the various geometric forms that curves
+             may be used to represent."""
+)
+
+
+def Xform "Text1" {
+    uniform token[] xformOpOrder = ["xformOp:translate"]
+    float3 xformOp:translate = (0, 9, 0)
+    def Scope "Text11"{
+        def SimpleText "TextA" (){
+            uniform token[] xformOpOrder = ["xformOp:translate"]
+            float3 xformOp:translate = (3, 0, 0)
+
+            string typeface = "Arial"
+            int textHeight = 22
+            string textData = "Fox"
+        }
+    }
+}

pxr/usd/usdGeom/decoratedSimpleText.cpp

@@ -0,0 +1,114 @@
+//
+// Copyright 2016 Pixar
+//
+// Licensed under the Apache License, Version 2.0 (the "Apache License")
+// with the following modification; you may not use this file except in
+// compliance with the Apache License and the following modification to it:
+// Section 6. Trademarks. is deleted and replaced with:
+//
+// 6. Trademarks. This License does not grant permission to use the trade
+//    names, trademarks, service marks, or product names of the Licensor
+//    and its affiliates, except as required to comply with Section 4(c) of
+//    the License and to reproduce the content of the NOTICE file.
+//
+// You may obtain a copy of the Apache License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the Apache License with the above modification is
+// distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied. See the Apache License for the specific
+// language governing permissions and limitations under the Apache License.
+//
+#include "pxr/usd/usdGeom/decoratedSimpleText.h"
+#include "pxr/usd/usd/schemaRegistry.h"
+#include "pxr/usd/usd/typed.h"
+
+#include "pxr/usd/sdf/types.h"
+#include "pxr/usd/sdf/assetPath.h"
+
+PXR_NAMESPACE_OPEN_SCOPE
+
+// Register the schema with the TfType system.
+TF_REGISTRY_FUNCTION(TfType)
+{
+    TfType::Define<UsdGeomDecoratedSimpleText,
+        TfType::Bases< UsdGeomSimpleText > >();
+
+}
+
+/* virtual */
+UsdGeomDecoratedSimpleText::~UsdGeomDecoratedSimpleText()
+{
+}
+
+/* static */
+UsdGeomDecoratedSimpleText
+UsdGeomDecoratedSimpleText::Get(const UsdStagePtr &stage, const SdfPath &path)
+{
+    if (!stage) {
+        TF_CODING_ERROR("Invalid stage");
+        return UsdGeomDecoratedSimpleText();
+    }
+    return UsdGeomDecoratedSimpleText(stage->GetPrimAtPath(path));
+}
+
+
+/* virtual */
+UsdSchemaKind UsdGeomDecoratedSimpleText::_GetSchemaKind() const {
+    return UsdGeomDecoratedSimpleText::schemaKind;
+}
+
+/* virtual */
+UsdSchemaKind UsdGeomDecoratedSimpleText::_GetSchemaType() const {
+    return UsdGeomDecoratedSimpleText::schemaType;
+}
+
+/* static */
+const TfType &
+UsdGeomDecoratedSimpleText::_GetStaticTfType()
+{
+    static TfType tfType = TfType::Find<UsdGeomDecoratedSimpleText>();
+    return tfType;
+}
+
+/* static */
+bool 
+UsdGeomDecoratedSimpleText::_IsTypedSchema()
+{
+    static bool isTyped = _GetStaticTfType().IsA<UsdTyped>();
+    return isTyped;
+}
+
+/* virtual */
+const TfType &
+UsdGeomDecoratedSimpleText::_GetTfType() const
+{
+    return _GetStaticTfType();
+}
+
+/*static*/
+const TfTokenVector&
+UsdGeomDecoratedSimpleText::GetSchemaAttributeNames(bool includeInherited)
+{
+    static TfTokenVector localNames;
+    static TfTokenVector allNames =
+        UsdGeomSimpleText::GetSchemaAttributeNames(true);
+
+    if (includeInherited)
+        return allNames;
+    else
+        return localNames;
+}
+
+PXR_NAMESPACE_CLOSE_SCOPE
+
+// ===================================================================== //
+// Feel free to add custom code below this line. It will be preserved by
+// the code generator.
+//
+// Just remember to wrap code in the appropriate delimiters:
+// 'PXR_NAMESPACE_OPEN_SCOPE', 'PXR_NAMESPACE_CLOSE_SCOPE'.
+// ===================================================================== //
+// --(BEGIN CUSTOM CODE)--

pxr/usd/usdGeom/decoratedSimpleText.h

@@ -0,0 +1,151 @@
+//
+// Copyright 2016 Pixar
+//
+// Licensed under the Apache License, Version 2.0 (the "Apache License")
+// with the following modification; you may not use this file except in
+// compliance with the Apache License and the following modification to it:
+// Section 6. Trademarks. is deleted and replaced with:
+//
+// 6. Trademarks. This License does not grant permission to use the trade
+//    names, trademarks, service marks, or product names of the Licensor
+//    and its affiliates, except as required to comply with Section 4(c) of
+//    the License and to reproduce the content of the NOTICE file.
+//
+// You may obtain a copy of the Apache License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the Apache License with the above modification is
+// distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied. See the Apache License for the specific
+// language governing permissions and limitations under the Apache License.
+//
+#ifndef USDGEOM_GENERATED_DECORATEDSIMPLETEXT_H
+#define USDGEOM_GENERATED_DECORATEDSIMPLETEXT_H
+
+/// \file usdGeom/decoratedSimpleText.h
+
+#include "pxr/pxr.h"
+#include "pxr/usd/usdGeom/api.h"
+#include "pxr/usd/usdGeom/simpleText.h"
+#include "pxr/usd/usd/prim.h"
+#include "pxr/usd/usd/stage.h"
+
+#include "pxr/base/vt/value.h"
+
+#include "pxr/base/gf/vec3d.h"
+#include "pxr/base/gf/vec3f.h"
+#include "pxr/base/gf/matrix4d.h"
+
+#include "pxr/base/tf/token.h"
+#include "pxr/base/tf/type.h"
+
+PXR_NAMESPACE_OPEN_SCOPE
+
+class SdfAssetPath;
+
+// -------------------------------------------------------------------------- //
+// DECORATEDSIMPLETEXT                                                        //
+// -------------------------------------------------------------------------- //
+
+/// \class UsdGeomDecoratedSimpleText
+///
+/// Class for decorated single line single style text.
+///
+class UsdGeomDecoratedSimpleText : public UsdGeomSimpleText
+{
+public:
+    /// Compile time constant representing what kind of schema this class is.
+    ///
+    /// \sa UsdSchemaKind
+    static const UsdSchemaKind schemaKind = UsdSchemaKind::AbstractTyped;
+
+    /// \deprecated
+    /// Same as schemaKind, provided to maintain temporary backward 
+    /// compatibility with older generated schemas.
+    static const UsdSchemaKind schemaType = UsdSchemaKind::AbstractTyped;
+
+    /// Construct a UsdGeomDecoratedSimpleText on UsdPrim \p prim .
+    /// Equivalent to UsdGeomDecoratedSimpleText::Get(prim.GetStage(), prim.GetPath())
+    /// for a \em valid \p prim, but will not immediately throw an error for
+    /// an invalid \p prim
+    explicit UsdGeomDecoratedSimpleText(const UsdPrim& prim=UsdPrim())
+        : UsdGeomSimpleText(prim)
+    {
+    }
+
+    /// Construct a UsdGeomDecoratedSimpleText on the prim held by \p schemaObj .
+    /// Should be preferred over UsdGeomDecoratedSimpleText(schemaObj.GetPrim()),
+    /// as it preserves SchemaBase state.
+    explicit UsdGeomDecoratedSimpleText(const UsdSchemaBase& schemaObj)
+        : UsdGeomSimpleText(schemaObj)
+    {
+    }
+
+    /// Destructor.
+    USDGEOM_API
+    virtual ~UsdGeomDecoratedSimpleText();
+
+    /// Return a vector of names of all pre-declared attributes for this schema
+    /// class and all its ancestor classes.  Does not include attributes that
+    /// may be authored by custom/extended methods of the schemas involved.
+    USDGEOM_API
+    static const TfTokenVector &
+    GetSchemaAttributeNames(bool includeInherited=true);
+
+    /// Return a UsdGeomDecoratedSimpleText holding the prim adhering to this
+    /// schema at \p path on \p stage.  If no prim exists at \p path on
+    /// \p stage, or if the prim at that path does not adhere to this schema,
+    /// return an invalid schema object.  This is shorthand for the following:
+    ///
+    /// \code
+    /// UsdGeomDecoratedSimpleText(stage->GetPrimAtPath(path));
+    /// \endcode
+    ///
+    USDGEOM_API
+    static UsdGeomDecoratedSimpleText
+    Get(const UsdStagePtr &stage, const SdfPath &path);
+
+
+protected:
+    /// Returns the kind of schema this class belongs to.
+    ///
+    /// \sa UsdSchemaKind
+    USDGEOM_API
+    UsdSchemaKind _GetSchemaKind() const override;
+
+    /// \deprecated
+    /// Same as _GetSchemaKind, provided to maintain temporary backward 
+    /// compatibility with older generated schemas.
+    USDGEOM_API
+    UsdSchemaKind _GetSchemaType() const override;
+
+private:
+    // needs to invoke _GetStaticTfType.
+    friend class UsdSchemaRegistry;
+    USDGEOM_API
+    static const TfType &_GetStaticTfType();
+
+    static bool _IsTypedSchema();
+
+    // override SchemaBase virtuals.
+    USDGEOM_API
+    const TfType &_GetTfType() const override;
+
+public:
+    // ===================================================================== //
+    // Feel free to add custom code below this line, it will be preserved by 
+    // the code generator. 
+    //
+    // Just remember to: 
+    //  - Close the class declaration with }; 
+    //  - Close the namespace with PXR_NAMESPACE_CLOSE_SCOPE
+    //  - Close the include guard with #endif
+    // ===================================================================== //
+    // --(BEGIN CUSTOM CODE)--
+};
+
+PXR_NAMESPACE_CLOSE_SCOPE
+
+#endif