Update C sources, add new functions

raylib/config.h

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+/**********************************************************************************************
+*
+*   raylib configuration flags
+*
+*   This file defines all the configuration flags for the different raylib modules
+*
+*   LICENSE: zlib/libpng
+*
+*   Copyright (c) 2018 Ahmad Fatoum & Ramon Santamaria (@raysan5)
+*
+*   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.
+*
+**********************************************************************************************/
+
+#define RAYLIB_VERSION  "2.0-dev"
+
+// Edit to control what features Makefile'd raylib is compiled with
+#if defined(RAYLIB_CMAKE)
+    // Edit CMakeOptions.txt for CMake instead
+    #include "cmake/config.h"
+#else
+
+//------------------------------------------------------------------------------------
+// Module: core - Configuration Flags
+//------------------------------------------------------------------------------------
+// Camera module is included (camera.h) and multiple predefined cameras are available: free, 1st/3rd person, orbital
+#define SUPPORT_CAMERA_SYSTEM       1
+// Gestures module is included (gestures.h) to support gestures detection: tap, hold, swipe, drag
+#define SUPPORT_GESTURES_SYSTEM     1
+// Mouse gestures are directly mapped like touches and processed by gestures system
+#define SUPPORT_MOUSE_GESTURES      1
+// Use busy wait loop for timing sync, if not defined, a high-resolution timer is setup and used
+//#define SUPPORT_BUSY_WAIT_LOOP      1
+// Allow automatic screen capture of current screen pressing F12, defined in KeyCallback()
+#define SUPPORT_SCREEN_CAPTURE      1
+// Allow automatic gif recording of current screen pressing CTRL+F12, defined in KeyCallback()
+#define SUPPORT_GIF_RECORDING       1
+
+
+//------------------------------------------------------------------------------------
+// Module: rlgl - Configuration Flags
+//------------------------------------------------------------------------------------
+// Support VR simulation functionality (stereo rendering)
+#define SUPPORT_VR_SIMULATOR        1
+// Include stereo rendering distortion shader (shader_distortion.h)
+#define SUPPORT_DISTORTION_SHADER   1
+
+
+//------------------------------------------------------------------------------------
+// Module: shapes - Configuration Flags
+//------------------------------------------------------------------------------------
+// Draw rectangle shapes using font texture white character instead of default white texture
+// Allows drawing rectangles and text with a single draw call, very useful for GUI systems!
+#define SUPPORT_FONT_TEXTURE
+// Use QUADS instead of TRIANGLES for drawing when possible
+// Some lines-based shapes could still use lines
+#define SUPPORT_QUADS_DRAW_MODE
+
+//------------------------------------------------------------------------------------
+// Module: textures - Configuration Flags
+//------------------------------------------------------------------------------------
+// Selecte desired fileformats to be supported for image data loading
+#define SUPPORT_FILEFORMAT_PNG      1
+//#define SUPPORT_FILEFORMAT_BMP    1
+//#define SUPPORT_FILEFORMAT_TGA    1
+//#define SUPPORT_FILEFORMAT_JPG    1
+//#define SUPPORT_FILEFORMAT_GIF    1
+//#define SUPPORT_FILEFORMAT_PSD    1
+#define SUPPORT_FILEFORMAT_DDS      1
+#define SUPPORT_FILEFORMAT_HDR      1
+#define SUPPORT_FILEFORMAT_KTX      1
+#define SUPPORT_FILEFORMAT_ASTC     1
+//#define SUPPORT_FILEFORMAT_PKM    1
+//#define SUPPORT_FILEFORMAT_PVR    1
+
+// Support multiple image editing functions to scale, adjust colors, flip, draw on images, crop... 
+// If not defined only three image editing functions supported: ImageFormat(), ImageAlphaMask(), ImageToPOT()
+#define SUPPORT_IMAGE_MANIPULATION  1
+// Support proedural image generation functionality (gradient, spot, perlin-noise, cellular)
+#define SUPPORT_IMAGE_GENERATION    1
+
+
+//------------------------------------------------------------------------------------
+// Module: text - Configuration Flags
+//------------------------------------------------------------------------------------
+// Default font is loaded on window initialization to be available for the user to render simple text
+// NOTE: If enabled, uses external module functions to load default raylib font
+#define SUPPORT_DEFAULT_FONT        1
+// Selected desired font fileformats to be supported for loading
+#define SUPPORT_FILEFORMAT_FNT      1
+#define SUPPORT_FILEFORMAT_TTF      1
+
+
+//------------------------------------------------------------------------------------
+// Module: models - Configuration Flags
+//------------------------------------------------------------------------------------
+// Selected desired model fileformats to be supported for loading
+#define SUPPORT_FILEFORMAT_OBJ      1
+#define SUPPORT_FILEFORMAT_MTL      1
+// Support procedural mesh generation functions, uses external par_shapes.h library
+// NOTE: Some generated meshes DO NOT include generated texture coordinates
+#define SUPPORT_MESH_GENERATION     1
+
+
+//------------------------------------------------------------------------------------
+// Module: audio - Configuration Flags
+//------------------------------------------------------------------------------------
+// Desired audio fileformats to be supported for loading
+#define SUPPORT_FILEFORMAT_WAV      1
+#define SUPPORT_FILEFORMAT_OGG      1
+#define SUPPORT_FILEFORMAT_XM       1
+#define SUPPORT_FILEFORMAT_MOD      1
+//#define SUPPORT_FILEFORMAT_FLAC   1
+//#define SUPPORT_FILEFORMAT_MP3    1
+
+
+//------------------------------------------------------------------------------------
+// Module: utils - Configuration Flags
+//------------------------------------------------------------------------------------
+// Show TraceLog() output messages
+// NOTE: By default LOG_DEBUG traces not shown
+#define SUPPORT_TRACELOG    1
+// Support saving image data fileformats 
+// NOTE: Requires stb_image_write library
+#define SUPPORT_SAVE_PNG    1
+//#define SUPPORT_SAVE_BMP  1
+
+
+#endif  //defined(RAYLIB_CMAKE)