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1 files changed, 123 insertions, 0 deletions

diff --git a/src/ftgl/FTSize.cpp b/src/ftgl/FTSize.cpp
new file mode 100644
index 0000000..49f1596
--- /dev/null
+++ b/src/ftgl/FTSize.cpp
@@ -0,0 +1,123 @@
+/*
+ * FTGL - OpenGL font library
+ *
+ * Copyright (c) 2001-2004 Henry Maddocks <ftgl@opengl.geek.nz>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include "config.h"
+
+#include "FTSize.h"
+
+
+FTSize::FTSize()
+:   ftFace(0),
+    ftSize(0),
+    size(0),
+    xResolution(0),
+    yResolution(0),
+    err(0)
+{}
+
+
+FTSize::~FTSize()
+{}
+
+
+bool FTSize::CharSize(FT_Face* face, unsigned int pointSize, unsigned int xRes, unsigned int yRes)
+{
+    if(size != pointSize || xResolution != xRes || yResolution != yRes)
+    {
+        err = FT_Set_Char_Size(*face, 0L, pointSize * 64, xResolution, yResolution);
+
+        if(!err)
+        {
+            ftFace = face;
+            size = pointSize;
+            xResolution = xRes;
+            yResolution = yRes;
+            ftSize = (*ftFace)->size;
+        }
+    }
+
+    return !err;
+}
+
+
+unsigned int FTSize::CharSize() const
+{
+    return size;
+}
+
+
+float FTSize::Ascender() const
+{
+    return ftSize == 0 ? 0.0f : static_cast<float>(ftSize->metrics.ascender) / 64.0f;
+}
+
+
+float FTSize::Descender() const
+{
+    return ftSize == 0 ? 0.0f : static_cast<float>(ftSize->metrics.descender) / 64.0f;
+}
+
+
+float FTSize::Height() const
+{
+    if(0 == ftSize)
+    {
+        return 0.0f;
+    }
+
+    if(FT_IS_SCALABLE((*ftFace)))
+    {
+        return ((*ftFace)->bbox.yMax - (*ftFace)->bbox.yMin) * ((float)ftSize->metrics.y_ppem / (float)(*ftFace)->units_per_EM);
+    }
+    else
+    {
+        return static_cast<float>(ftSize->metrics.height) / 64.0f;
+    }
+}
+
+
+float FTSize::Width() const
+{
+    if(0 == ftSize)
+    {
+        return 0.0f;
+    }
+
+    if(FT_IS_SCALABLE((*ftFace)))
+    {
+        return ((*ftFace)->bbox.xMax - (*ftFace)->bbox.xMin) * (static_cast<float>(ftSize->metrics.x_ppem) / static_cast<float>((*ftFace)->units_per_EM));
+    }
+    else
+    {
+        return static_cast<float>(ftSize->metrics.max_advance) / 64.0f;
+    }
+}
+
+
+float FTSize::Underline() const
+{
+    return 0.0f;
+}
+