update bundled_deps

bundled_deps/libigl/igl/copyleft/opengl2/tga.h

@@ -0,0 +1,106 @@
+// This file is part of libigl, a simple c++ geometry processing library.
+// 
+// Copyright (C) 2015 Alec Jacobson <alecjacobson@gmail.com>
+// 
+// This Source Code Form is subject to the terms of the Mozilla Public License 
+// v. 2.0. If a copy of the MPL was not distributed with this file, You can 
+// obtain one at http://mozilla.org/MPL/2.0/.
+#ifndef IGL_OPENGL_TGA_H
+#define IGL_OPENGL_TGA_H
+#include "../../igl_inline.h"
+
+#include "../../opengl2/gl.h"
+// See license in tga.cpp
+/* tga.h - interface for TrueVision (TGA) image file loader */
+#include <stdio.h>
+#ifdef _WIN32
+#include <windows.h>
+#endif
+
+namespace igl
+{
+namespace opengl
+{
+
+typedef struct {
+
+  GLsizei  width;
+  GLsizei  height;
+  GLint    components;
+  GLenum   format;
+
+  GLsizei  cmapEntries;
+  GLenum   cmapFormat;
+  GLubyte *cmap;
+
+  GLubyte *pixels;
+  
+} gliGenericImage;
+
+typedef struct {
+  unsigned char idLength;
+  unsigned char colorMapType;
+
+  /* The image type. */
+#define TGA_TYPE_MAPPED 1
+#define TGA_TYPE_COLOR 2
+#define TGA_TYPE_GRAY 3
+#define TGA_TYPE_MAPPED_RLE 9
+#define TGA_TYPE_COLOR_RLE 10
+#define TGA_TYPE_GRAY_RLE 11
+  unsigned char imageType;
+
+  /* Color Map Specification. */
+  /* We need to separately specify high and low bytes to avoid endianness
+     and alignment problems. */
+  unsigned char colorMapIndexLo, colorMapIndexHi;
+  unsigned char colorMapLengthLo, colorMapLengthHi;
+  unsigned char colorMapSize;
+
+  /* Image Specification. */
+  unsigned char xOriginLo, xOriginHi;
+  unsigned char yOriginLo, yOriginHi;
+
+  unsigned char widthLo, widthHi;
+  unsigned char heightLo, heightHi;
+
+  unsigned char bpp;
+
+  /* Image descriptor.
+     3-0: attribute bpp
+     4:   left-to-right ordering
+     5:   top-to-bottom ordering
+     7-6: zero
+     */
+#define TGA_DESC_ABITS 0x0f
+#define TGA_DESC_HORIZONTAL 0x10
+#define TGA_DESC_VERTICAL 0x20
+  unsigned char descriptor;
+
+} TgaHeader;
+
+typedef struct {
+  unsigned int extensionAreaOffset;
+  unsigned int developerDirectoryOffset;
+#define TGA_SIGNATURE "TRUEVISION-XFILE"
+  char signature[16];
+  char dot;
+  char null;
+} TgaFooter;
+
+IGL_INLINE extern gliGenericImage *gliReadTGA(FILE *fp, char *name, int hflip, int vflip);
+IGL_INLINE int gli_verbose(int new_verbose);
+IGL_INLINE extern int gliVerbose(int newVerbose);
+
+IGL_INLINE void writeTGA( gliGenericImage* image, FILE *fp);
+
+
+
+} // end of igl namespace
+}
+
+#ifndef IGL_STATIC_LIBRARY
+#  include "tga.cpp"
+#endif
+
+#endif