1 files changed, 145 insertions, 0 deletions
diff --git a/src/render/Qt3DSRenderPathFontSpecification.cpp b/src/render/Qt3DSRenderPathFontSpecification.cpp
new file mode 100644
index 0000000..3e9276a
--- /dev/null
+++ b/src/render/Qt3DSRenderPathFontSpecification.cpp
@@ -0,0 +1,145 @@
+/****************************************************************************
+**
+** Copyright (C) 2015 NVIDIA Corporation.
+** Copyright (C) 2017 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of Qt 3D Studio.
+**
+** $QT_BEGIN_LICENSE:GPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "render/Qt3DSRenderPathFontSpecification.h"
+#include "render/Qt3DSRenderPathFontText.h"
+#include "render/Qt3DSRenderBaseTypes.h"
+#include "render/Qt3DSRenderContext.h"
+
+namespace qt3ds {
+namespace render {
+
+    NVRenderPathFontSpecification::NVRenderPathFontSpecification(NVRenderContextImpl &context,
+                                                                 NVFoundationBase &fnd,
+                                                                 CRegisteredString fontName)
+        : m_Context(context)
+        , m_Foundation(fnd)
+        , m_Backend(context.GetBackend())
+        , mRefCount(0)
+        , m_NumFontGlyphs(0)
+        , m_EmScale(2048) // 2048 is default true type scale
+        , m_Type(NVRenderPathFormatType::UByte)
+        , m_TransformType(NVRenderPathTransformType::Translate2D)
+        , m_FontName(fontName)
+    {
+    }
+
+    NVRenderPathFontSpecification::~NVRenderPathFontSpecification()
+    {
+        m_Context.ReleasePathFontSpecification(*this);
+    }
+
+    void NVRenderPathFontSpecification::LoadPathGlyphs(const char *fontName,
+                                                       NVRenderPathFormatType::Enum type)
+    {
+        // check if we already created it
+        if (m_NumFontGlyphs)
+            return;
+
+        m_Type = type;
+
+        // create fonts based on the input
+        m_PathRenderHandle = m_Backend->LoadPathGlyphsIndexedRange(
+            NVRenderPathFontTarget::FileFont, fontName, NVRenderPathFontStyleFlags(), 0, m_EmScale,
+            &m_NumFontGlyphs);
+
+        // Fallback in case the previuos call fails
+        // This is a no-op if the previous call succeeds
+        // Note that sans is an inbuild driver font
+        if (!m_PathRenderHandle) {
+            m_PathRenderHandle = m_Backend->LoadPathGlyphsIndexedRange(
+                NVRenderPathFontTarget::SystemFont, "Arial", NVRenderPathFontStyleFlags(), 0,
+                m_EmScale, &m_NumFontGlyphs);
+        }
+
+        // we should have some glyphs
+        QT3DS_ASSERT(m_NumFontGlyphs);
+    }
+
+    void
+    NVRenderPathFontSpecification::StencilFillPathInstanced(NVRenderPathFontItem &inPathFontItem)
+    {
+        const void *glyphIDs = inPathFontItem.GetGlyphIDs();
+        const QT3DSF32 *spacing = inPathFontItem.GetSpacing();
+        if (!glyphIDs || !spacing || !inPathFontItem.GetGlyphsCount()) {
+            QT3DS_ASSERT(false || !inPathFontItem.GetGlyphsCount());
+            return;
+        }
+
+        m_Backend->StencilFillPathInstanced(m_PathRenderHandle, inPathFontItem.GetGlyphsCount(),
+                                            m_Type, glyphIDs, NVRenderPathFillMode::Fill, 0xFF,
+                                            m_TransformType, spacing);
+    }
+
+    void NVRenderPathFontSpecification::CoverFillPathInstanced(NVRenderPathFontItem &inPathFontItem)
+    {
+        const void *glyphIDs = inPathFontItem.GetGlyphIDs();
+        const QT3DSF32 *spacing = inPathFontItem.GetSpacing();
+        if (!glyphIDs || !spacing || !inPathFontItem.GetGlyphsCount()) {
+            QT3DS_ASSERT(false || !inPathFontItem.GetGlyphsCount());
+            return;
+        }
+
+        m_Backend->CoverFillPathInstanced(
+            m_PathRenderHandle, inPathFontItem.GetGlyphsCount(), m_Type, glyphIDs,
+            NVRenderPathCoverMode::BoundingBoxOfBoundingBox, m_TransformType, spacing);
+    }
+
+    QT3DSU32
+    NVRenderPathFontSpecification::getSizeofType(NVRenderPathFormatType::Enum type)
+    {
+        switch (type) {
+        case NVRenderPathFormatType::Byte:
+            return sizeof(QT3DSI8);
+        case NVRenderPathFormatType::UByte:
+            return sizeof(QT3DSU8);
+        case NVRenderPathFormatType::Bytes2:
+            return sizeof(QT3DSU16);
+        case NVRenderPathFormatType::Uint:
+            return sizeof(QT3DSU32);
+        case NVRenderPathFormatType::Utf8:
+            return sizeof(QT3DSU32);
+        default:
+            QT3DS_ASSERT(false);
+            return 1;
+        }
+    }
+
+    NVRenderPathFontSpecification *
+    NVRenderPathFontSpecification::CreatePathFontSpecification(NVRenderContextImpl &context,
+                                                               CRegisteredString fontName)
+    {
+        QT3DS_ASSERT(context.IsPathRenderingSupported());
+
+        return QT3DS_NEW(context.GetFoundation().getAllocator(),
+                      NVRenderPathFontSpecification)(context, context.GetFoundation(), fontName);
+    }
+}
+}