From 2636e834c25a42bb2dd01c3c61d075b666dee3bf Mon Sep 17 00:00:00 2001
From: Alexander Sulfrian <alexander@sulfrian.net>
Date: Sun, 25 Dec 2011 16:18:49 +0100
Subject: base: moved Image and Texture to more appropriate locations

---
 src/menu/texture.cpp | 114 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 114 insertions(+)
 create mode 100644 src/menu/texture.cpp

(limited to 'src/menu/texture.cpp')

diff --git a/src/menu/texture.cpp b/src/menu/texture.cpp
new file mode 100644
index 00000000..cf24b9ce
--- /dev/null
+++ b/src/menu/texture.cpp
@@ -0,0 +1,114 @@
+/*
+ * UltraStar Deluxe - Karaoke Game
+ *
+ * UltraStar Deluxe is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; see the file COPYING. If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ */
+
+#include "texture.hpp"
+
+namespace usdx
+{
+	log4cpp::Category&  Texture::log =
+		log4cpp::Category::getInstance("usdx.base.texture");
+
+	Texture::Texture(boost::filesystem::wpath filename) :
+		filename(filename), texture(0), size(0, 0), rotation(0)
+	{
+		Image image(filename);
+
+		size.set_width(image.get_surface()->w);
+		size.set_height(image.get_surface()->h);
+
+		// // Check that the image dimensions are a power of 2
+		// if ((image.get_surface()->w & (image.get_surface()->w - 1)) != 0 ) {
+		// 	LOG4CXX_ERROR(log, "" << filename << " has a width of " << image.get_surface()->w << " that is not a power of 2");
+		// 	throw TextureSizeException(size);
+		// }
+
+		// if ((image.get_surface()->h & (image.get_surface()->h - 1)) != 0 ) {
+		// 	LOG4CXX_ERROR(log, "" << filename << " has a height of " << image.get_surface()->h << " that is not a power of 2");
+		// 	throw TextureSizeException(size);
+		// }
+
+
+		switch (image.get_surface()->format->BytesPerPixel) {
+		case 4:
+			if (image.get_surface()->format->Rmask == 0x000000ff) {
+				texture_format = GL_RGBA;
+			}
+			else {
+				texture_format = GL_BGRA;
+			}
+
+			break;
+
+		case 3:
+			if (image.get_surface()->format->Rmask == 0x000000ff) {
+				texture_format = GL_RGB;
+			}
+			else {
+				texture_format = GL_BGR;
+			}
+
+			break;
+
+		default:
+            log << log4cpp::Priority::ERROR << "'" << filename <<
+                "' is not in true color! Could not handle that!";
+			throw TextureColorDepthException(image.get_surface()->format->BytesPerPixel);
+		}
+
+		// Have OpenGL generate a texture object handle for us
+		glGenTextures(1, &texture);
+
+		// Bind the texture object
+		glBindTexture(GL_TEXTURE_2D, texture);
+
+		// Set the texture's stretching properties
+		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+
+		// Edit the texture object's image data using the information SDL_Surface gives us
+		glTexImage2D(GL_TEXTURE_2D,
+			     0,
+			     image.get_surface()->format->BytesPerPixel,
+			     image.get_surface()->w,
+			     image.get_surface()->h,
+			     0,
+			     texture_format,
+			     GL_UNSIGNED_BYTE,
+			     image.get_surface()->pixels);
+	}
+
+	Texture::~Texture()
+	{
+		if (glIsTexture(texture)) {
+			glDeleteTextures(1, &texture);
+		}
+	}
+
+	GLuint Texture::get_texture(void) const
+	{
+		return texture;
+	}
+};
-- 
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