From 37a92b86d13e89d0dcec92be6d23ceced29dbc36 Mon Sep 17 00:00:00 2001
From: scuri <scuri>
Date: Mon, 21 Jun 2010 22:55:10 +0000
Subject: *** empty log message ***

---
 src/ftgl/FTGlyph/FTPixmapGlyph.cpp | 139 +++++++++++++++++++++++++++++++++++++
 1 file changed, 139 insertions(+)
 create mode 100644 src/ftgl/FTGlyph/FTPixmapGlyph.cpp

(limited to 'src/ftgl/FTGlyph/FTPixmapGlyph.cpp')

diff --git a/src/ftgl/FTGlyph/FTPixmapGlyph.cpp b/src/ftgl/FTGlyph/FTPixmapGlyph.cpp
new file mode 100644
index 0000000..5301e43
--- /dev/null
+++ b/src/ftgl/FTGlyph/FTPixmapGlyph.cpp
@@ -0,0 +1,139 @@
+/*
+ * FTGL - OpenGL font library
+ *
+ * Copyright (c) 2001-2004 Henry Maddocks <ftgl@opengl.geek.nz>
+ * Copyright (c) 2008 Sam Hocevar <sam@zoy.org>
+ *
+ * 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 <math.h>
+
+#include "FTGL/ftgl.h"
+
+#include "FTInternals.h"
+#include "FTPixmapGlyphImpl.h"
+
+
+//
+//  FTGLPixmapGlyph
+//
+
+
+FTPixmapGlyph::FTPixmapGlyph(FT_GlyphSlot glyph) :
+    FTGlyph(new FTPixmapGlyphImpl(glyph))
+{}
+
+
+FTPixmapGlyph::~FTPixmapGlyph()
+{}
+
+
+const FTPoint& FTPixmapGlyph::Render(const FTPoint& pen, int renderMode)
+{
+    FTPixmapGlyphImpl *myimpl = dynamic_cast<FTPixmapGlyphImpl *>(impl);
+    return myimpl->RenderImpl(pen, renderMode);
+}
+
+
+//
+//  FTGLPixmapGlyphImpl
+//
+
+
+FTPixmapGlyphImpl::FTPixmapGlyphImpl(FT_GlyphSlot glyph)
+:   FTGlyphImpl(glyph),
+    destWidth(0),
+    destHeight(0),
+    data(0)
+{
+    err = FT_Render_Glyph(glyph, FT_RENDER_MODE_NORMAL);
+    if(err || ft_glyph_format_bitmap != glyph->format)
+    {
+        return;
+    }
+
+    FT_Bitmap bitmap = glyph->bitmap;
+
+    //check the pixel mode
+    //ft_pixel_mode_grays
+
+    int srcWidth = bitmap.width;
+    int srcHeight = bitmap.rows;
+
+    destWidth = srcWidth;
+    destHeight = srcHeight;
+
+    if(destWidth && destHeight)
+    {
+        data = new unsigned char[destWidth * destHeight * 2];
+        unsigned char* src = bitmap.buffer;
+
+        unsigned char* dest = data + ((destHeight - 1) * destWidth * 2);
+        size_t destStep = destWidth * 2 * 2;
+
+        for(int y = 0; y < srcHeight; ++y)
+        {
+            for(int x = 0; x < srcWidth; ++x)
+            {
+                *dest++ = static_cast<unsigned char>(255);
+                *dest++ = *src++;
+            }
+            dest -= destStep;
+        }
+
+        destHeight = srcHeight;
+    }
+
+    pos.X(glyph->bitmap_left);
+    pos.Y(srcHeight - glyph->bitmap_top);
+}
+
+
+FTPixmapGlyphImpl::~FTPixmapGlyphImpl()
+{
+    delete [] data;
+}
+
+
+const FTPoint& FTPixmapGlyphImpl::RenderImpl(const FTPoint& pen,
+                                             int renderMode)
+{
+    if(data)
+    {
+        float dx, dy;
+
+        dx = floor(pen.Xf() + pos.Xf());
+        dy = floor(pen.Yf() - pos.Yf());
+
+        glBitmap(0, 0, 0.0f, 0.0f, dx, dy, (const GLubyte*)0);
+        glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
+        glPixelStorei(GL_UNPACK_ALIGNMENT, 2);
+
+        glDrawPixels(destWidth, destHeight, GL_LUMINANCE_ALPHA,
+                     GL_UNSIGNED_BYTE, (const GLvoid*)data);
+        glBitmap(0, 0, 0.0f, 0.0f, -dx, -dy, (const GLubyte*)0);
+    }
+
+    return advance;
+}
+
-- 
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