Add a D binding

bindings/pnglite.d

@@ -0,0 +1,110 @@
+/*  pnglite.d - D binding for the pnglite library
+    Copyright (c) 2012 Pavel Sountsov
+
+    This software is provided 'as-is', without any express or implied
+    warranty. In no event will the authors be held liable for any damages
+    arising from the use of this software.
+
+    Permission is granted to anyone to use this software for any purpose,
+    including commercial applications, and to alter it and redistribute it
+    freely, subject to the following restrictions:
+
+    1. The origin of this software must not be misrepresented; you must not
+       claim that you wrote the original software. If you use this software
+       in a product, an acknowledgment in the product documentation would be
+       appreciated but is not required.  
+
+    2. Altered source versions must be plainly marked as such, and must not be
+       misrepresented as being the original software.
+
+    3. This notice may not be removed or altered from any source
+       distribution.
+ */
+
+module pnglite;
+
+extern(C):
+
+/*
+    Enumerations for pnglite.
+    Negative numbers are error codes and 0 and up are okay responses.
+*/
+
+enum
+{
+	PNG_DONE                = 1,
+	PNG_NO_ERROR            = 0,
+	PNG_FILE_ERROR          = -1,
+	PNG_HEADER_ERROR        = -2,
+	PNG_IO_ERROR            = -3,
+	PNG_EOF_ERROR           = -4,
+	PNG_CRC_ERROR           = -5,
+	PNG_MEMORY_ERROR        = -6,
+	PNG_ZLIB_ERROR          = -7,
+	PNG_UNKNOWN_FILTER      = -8,
+	PNG_NOT_SUPPORTED       = -9,
+	PNG_WRONG_ARGUMENTS     = -10
+}
+
+/*
+    The five different kinds of color storage in PNG files.
+*/
+
+enum
+{
+	PNG_GREYSCALE           = 0,
+	PNG_TRUECOLOR           = 2,
+	PNG_INDEXED             = 3,
+	PNG_GREYSCALE_ALPHA     = 4,
+	PNG_TRUECOLOR_ALPHA     = 6
+}
+
+/*
+    Typedefs for callbacks.
+*/
+
+alias uint function(void* input, size_t size, size_t numel, void* user_pointer) png_write_callback_t;
+alias uint function(void* output, size_t size, size_t numel, void* user_pointer) png_read_callback_t;
+alias void function(void* p) png_free_t;
+alias void* function(size_t s) png_alloc_t;
+
+struct png_t
+{
+	void*                  zs;                /* pointer to z_stream */
+	png_read_callback_t    read_fun;
+	png_write_callback_t   write_fun;
+	void*                  user_pointer;
+
+	ubyte*                 png_data;
+	uint                   png_datalen;
+
+	uint                   width;
+	uint                   height;
+	ubyte                  depth;
+	ubyte                  color_type;
+	ubyte                  compression_method;
+	ubyte                  filter_method;
+	ubyte                  interlace_method;
+	ubyte                  bpp;
+}
+
+int png_init(png_alloc_t pngalloc, png_free_t pngfree);
+int png_open_file(png_t *png, in char* filename);
+
+int png_open_file_read(png_t *png, in char* filename);
+int png_open_file_write(png_t *png, in char* filename);
+
+int png_open(png_t* png, png_read_callback_t read_fun, void* user_pointer);
+
+int png_open_read(png_t* png, png_read_callback_t read_fun, void* user_pointer);
+int png_open_write(png_t* png, png_write_callback_t write_fun, void* user_pointer);
+
+void png_print_info(png_t* png);
+
+char* png_error_string(int error);
+
+int png_get_data(png_t* png, ubyte* data);
+
+int png_set_data(png_t* png, uint width, uint height, char depth, int color, ubyte* data);
+
+int png_close_file(png_t* png);