Working on configuration flags
This commit is contained in:
Ray
parent
3f0c296422
commit
5387b45431
@ -70,13 +70,13 @@
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*
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**********************************************************************************************/
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// Default supported features
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//-------------------------------------
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// Default configuration flags (supported features)
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//-------------------------------------------------
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#define SUPPORT_DEFAULT_FONT
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#define SUPPORT_MOUSE_GESTURES
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#define SUPPORT_CAMERA_SYSTEM
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#define SUPPORT_GESTURES_SYSTEM
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//-------------------------------------
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//-------------------------------------------------
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#include "raylib.h"
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@ -13,7 +13,7 @@
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* - Multiple textures support, including compressed formats and mipmaps generation
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* - Basic 3d support for Shapes, Models, Billboards, Heightmaps and Cubicmaps
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* - Powerful math module for Vector, Matrix and Quaternion operations: [raymath]
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* - Audio loading and playing with streaming support and mixing channels [audio]
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* - Audio loading and playing with streaming support and mixing channels: [audio]
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* - VR stereo rendering support with configurable HMD device parameters
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* - Multiple platforms support: Windows, Linux, Mac, Android, Raspberry Pi, HTML5 and Oculus Rift CV1
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* - Custom color palette for fancy visuals on raywhite background
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19
src/rlgl.c
19
src/rlgl.c
@ -25,7 +25,7 @@
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* #define SUPPORT_VR_SIMULATION / SUPPORT_STEREO_RENDERING
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* Support VR simulation functionality (stereo rendering)
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*
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* #define SUPPORT_SHADER_DISTORTION
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* #define SUPPORT_DISTORTION_SHADER
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* Include stereo rendering distortion shader (shader_distortion.h)
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*
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* DEPENDENCIES:
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@ -54,6 +54,11 @@
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*
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**********************************************************************************************/
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// Default configuration flags (supported features)
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//-------------------------------------------------
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#define SUPPORT_VR_SIMULATION
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//-------------------------------------------------
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#include "rlgl.h"
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#include <stdio.h> // Required for: fopen(), fclose(), fread()... [Used only on LoadText()]
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@ -100,7 +105,7 @@
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#include <stdarg.h> // Required for: va_list, va_start(), vfprintf(), va_end() [Used only on TraceLog()]
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#endif
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#if !defined(GRAPHICS_API_OPENGL_11) && !defined(RLGL_NO_DISTORTION_SHADER)
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#if !defined(GRAPHICS_API_OPENGL_11) && defined(SUPPORT_DISTORTION_SHADER)
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#include "shader_distortion.h" // Distortion shader to be embedded
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#endif
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@ -2592,9 +2597,11 @@ void InitVrSimulator(int vrDevice)
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// NOTE: screen size should match HMD aspect ratio
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vrConfig.stereoFbo = rlglLoadRenderTexture(screenWidth, screenHeight);
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#if defined(SUPPORT_DISTORTION_SHADER)
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// Load distortion shader (initialized by default with Oculus Rift CV1 parameters)
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vrConfig.distortionShader.id = LoadShaderProgram(vDistortionShaderStr, fDistortionShaderStr);
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if (vrConfig.distortionShader.id != 0) LoadDefaultShaderLocations(&vrConfig.distortionShader);
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#endif
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SetStereoConfig(hmd);
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@ -2613,7 +2620,9 @@ void CloseVrSimulator(void)
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if (vrSimulatorReady)
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{
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rlDeleteRenderTextures(vrConfig.stereoFbo); // Unload stereo framebuffer and texture
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#if defined(SUPPORT_DISTORTION_SHADER)
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UnloadShader(vrConfig.distortionShader); // Unload distortion shader
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#endif
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}
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#endif
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}
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@ -2700,8 +2709,12 @@ void EndVrDrawing(void)
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rlMatrixMode(RL_MODELVIEW); // Enable internal modelview matrix
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rlLoadIdentity(); // Reset internal modelview matrix
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#if defined(SUPPORT_DISTORTION_SHADER)
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// Draw RenderTexture (stereoFbo) using distortion shader
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currentShader = vrConfig.distortionShader;
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#else
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currentShader = GetDefaultShader();
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#endif
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rlEnableTexture(vrConfig.stereoFbo.texture.id);
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@ -3536,6 +3549,7 @@ static void SetStereoConfig(VrDeviceInfo hmd)
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TraceLog(DEBUG, "VR: Distortion Shader: Scale = { %f, %f }", scale[0], scale[1]);
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TraceLog(DEBUG, "VR: Distortion Shader: ScaleIn = { %f, %f }", scaleIn[0], scaleIn[1]);
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#if defined(SUPPORT_DISTORTION_SHADER)
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// Update distortion shader with lens and distortion-scale parameters
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SetShaderValue(vrConfig.distortionShader, GetShaderLocation(vrConfig.distortionShader, "leftLensCenter"), leftLensCenter, 2);
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SetShaderValue(vrConfig.distortionShader, GetShaderLocation(vrConfig.distortionShader, "rightLensCenter"), rightLensCenter, 2);
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@ -3546,6 +3560,7 @@ static void SetStereoConfig(VrDeviceInfo hmd)
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SetShaderValue(vrConfig.distortionShader, GetShaderLocation(vrConfig.distortionShader, "scaleIn"), scaleIn, 2);
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SetShaderValue(vrConfig.distortionShader, GetShaderLocation(vrConfig.distortionShader, "hmdWarpParam"), hmd.distortionK, 4);
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SetShaderValue(vrConfig.distortionShader, GetShaderLocation(vrConfig.distortionShader, "chromaAbParam"), hmd.chromaAbCorrection, 4);
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#endif
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// Fovy is normally computed with: 2*atan2(hmd.vScreenSize, 2*hmd.eyeToScreenDistance)*RAD2DEG
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// ...but with lens distortion it is increased (see Oculus SDK Documentation)
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327
src/textures.c
327
src/textures.c
@ -4,24 +4,24 @@
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*
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* CONFIGURATION:
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*
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* #define SUPPORT_STB_IMAGE / INCLUDE_STB_IMAGE
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*
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* #define SUPPORT_FILEFORMAT_BMP / SUPPORT_LOAD_BMP
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* #define SUPPORT_FILEFORMAT_PNG / SUPPORT_LOAD_PNG
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* #define SUPPORT_FILEFORMAT_BMP
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* #define SUPPORT_FILEFORMAT_PNG
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* #define SUPPORT_FILEFORMAT_TGA
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* #define SUPPORT_FILEFORMAT_JPG / ENABLE_LOAD_JPG
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* #define SUPPORT_FILEFORMAT_JPG
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* #define SUPPORT_FILEFORMAT_GIF
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* #define SUPPORT_FILEFORMAT_PSD
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* #define SUPPORT_FILEFORMAT_HDR
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* #define SUPPORT_FILEFORMAT_DDS / ENABLE_LOAD_DDS
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* #define SUPPORT_FILEFORMAT_DDS
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* #define SUPPORT_FILEFORMAT_PKM
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* #define SUPPORT_FILEFORMAT_KTX
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* #define SUPPORT_FILEFORMAT_PVR
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* #define SUPPORT_FILEFORMAT_ASTC
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* Selected desired fileformats to be supported for loading. Some of those formats are
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* Selecte desired fileformats to be supported for image data loading. Some of those formats are
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* supported by default, to remove support, just comment unrequired #define in this module
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*
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* #define SUPPORT_IMAGE_RESIZE / INCLUDE_STB_IMAGE_RESIZE
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* #define SUPPORT_IMAGE_MANIPULATION
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* Support multiple image editing functions to scale, adjust colors, flip, draw on images, crop...
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* If not defined only three image editing functions supported: ImageFormat(), ImageAlphaMask(), ImageToPOT()
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*
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* DEPENDENCIES:
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* stb_image - Multiple image formats loading (JPEG, PNG, BMP, TGA, PSD, GIF, PIC)
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@ -50,6 +50,12 @@
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*
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**********************************************************************************************/
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// Default configuration flags (supported features)
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//-------------------------------------------------
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#define SUPPORT_FILEFORMAT_PNG
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#define SUPPORT_IMAGE_MANIPULATION
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//-------------------------------------------------
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#include "raylib.h"
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#include <stdlib.h> // Required for: malloc(), free()
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@ -61,23 +67,46 @@
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#include "utils.h" // Required for: fopen() Android mapping, TraceLog()
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// Support only desired texture formats, by default: JPEG, PNG, BMP, TGA
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//#define STBI_NO_JPEG // Image format .jpg and .jpeg
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//#define STBI_NO_PNG
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//#define STBI_NO_BMP
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//#define STBI_NO_TGA
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// Support only desired texture formats on stb_image
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#if !defined(SUPPORT_FILEFORMAT_BMP)
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#define STBI_NO_BMP
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#endif
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#if !defined(SUPPORT_FILEFORMAT_PNG)
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#define STBI_NO_PNG
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#endif
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#if !defined(SUPPORT_FILEFORMAT_TGA)
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#define STBI_NO_TGA
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#endif
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#if !defined(SUPPORT_FILEFORMAT_JPG)
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#define STBI_NO_JPEG // Image format .jpg and .jpeg
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#endif
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#if !defined(SUPPORT_FILEFORMAT_PSD)
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#define STBI_NO_PSD
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#endif
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#if !defined(SUPPORT_FILEFORMAT_GIF)
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#define STBI_NO_GIF
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#endif
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#if !defined(SUPPORT_FILEFORMAT_HDR)
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#define STBI_NO_HDR
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#endif
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// Image fileformats not supported by default
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#define STBI_NO_PIC
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#define STBI_NO_PNM // Image format .ppm and .pgm
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#if (defined(SUPPORT_FILEFORMAT_BMP) || defined(SUPPORT_FILEFORMAT_PNG) || defined(SUPPORT_FILEFORMAT_TGA) || \
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defined(SUPPORT_FILEFORMAT_JPG) || defined(SUPPORT_FILEFORMAT_PSD) || defined(SUPPORT_FILEFORMAT_GIF) || \
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defined(SUPPORT_FILEFORMAT_HDR))
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#define STB_IMAGE_IMPLEMENTATION
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#include "external/stb_image.h" // Required for: stbi_load()
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// NOTE: Used to read image data (multiple formats support)
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#endif
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#if defined(SUPPORT_IMAGE_MANIPULATION)
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#define STB_IMAGE_RESIZE_IMPLEMENTATION
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#include "external/stb_image_resize.h" // Required for: stbir_resize_uint8()
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// NOTE: Used for image scaling on ImageResize()
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#endif
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//----------------------------------------------------------------------------------
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// Defines and Macros
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@ -102,11 +131,21 @@
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//----------------------------------------------------------------------------------
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// Module specific Functions Declaration
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//----------------------------------------------------------------------------------
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#if defined(SUPPORT_FILEFORMAT_DDS)
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static Image LoadDDS(const char *fileName); // Load DDS file
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#endif
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#if defined(SUPPORT_FILEFORMAT_PKM)
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static Image LoadPKM(const char *fileName); // Load PKM file
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#endif
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#if defined(SUPPORT_FILEFORMAT_KTX)
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static Image LoadKTX(const char *fileName); // Load KTX file
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#endif
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#if defined(SUPPORT_FILEFORMAT_PVR)
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static Image LoadPVR(const char *fileName); // Load PVR file
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#endif
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#if defined(SUPPORT_FILEFORMAT_ASTC)
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static Image LoadASTC(const char *fileName); // Load ASTC file
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#endif
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//----------------------------------------------------------------------------------
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// Module Functions Definition
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@ -124,18 +163,21 @@ Image LoadImage(const char *fileName)
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image.mipmaps = 0;
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image.format = 0;
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if ((strcmp(GetExtension(fileName),"png") == 0) ||
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(strcmp(GetExtension(fileName),"bmp") == 0) ||
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(strcmp(GetExtension(fileName),"tga") == 0) ||
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(strcmp(GetExtension(fileName),"jpg") == 0)
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#ifndef STBI_NO_GIF
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if ((strcmp(GetExtension(fileName),"png") == 0)
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#if defined(SUPPORT_FILEFORMAT_BMP)
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|| (strcmp(GetExtension(fileName),"bmp") == 0)
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#endif
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#if defined(SUPPORT_FILEFORMAT_TGA)
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|| (strcmp(GetExtension(fileName),"tga") == 0)
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#endif
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#if defined(SUPPORT_FILEFORMAT_JPG)
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|| (strcmp(GetExtension(fileName),"jpg") == 0)
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#endif
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#if defined(SUPPORT_FILEFORMAT_DDS)
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|| (strcmp(GetExtension(fileName),"gif") == 0)
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#endif
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#ifndef STBI_NO_PSD
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#if defined(SUPPORT_FILEFORMAT_PSD)
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|| (strcmp(GetExtension(fileName),"psd") == 0)
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#endif
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#ifndef STBI_NO_PIC
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|| (strcmp(GetExtension(fileName),"pic") == 0)
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#endif
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)
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{
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@ -155,11 +197,21 @@ Image LoadImage(const char *fileName)
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else if (imgBpp == 3) image.format = UNCOMPRESSED_R8G8B8;
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else if (imgBpp == 4) image.format = UNCOMPRESSED_R8G8B8A8;
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}
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#if defined(SUPPORT_FILEFORMAT_DDS)
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else if (strcmp(GetExtension(fileName),"dds") == 0) image = LoadDDS(fileName);
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#endif
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#if defined(SUPPORT_FILEFORMAT_PKM)
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else if (strcmp(GetExtension(fileName),"pkm") == 0) image = LoadPKM(fileName);
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#endif
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#if defined(SUPPORT_FILEFORMAT_KTX)
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else if (strcmp(GetExtension(fileName),"ktx") == 0) image = LoadKTX(fileName);
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#endif
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#if defined(SUPPORT_FILEFORMAT_PVR)
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else if (strcmp(GetExtension(fileName),"pvr") == 0) image = LoadPVR(fileName);
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#endif
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#if defined(SUPPORT_FILEFORMAT_ASTC)
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else if (strcmp(GetExtension(fileName),"astc") == 0) image = LoadASTC(fileName);
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#endif
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else if (strcmp(GetExtension(fileName),"rres") == 0)
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{
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RRES rres = LoadResource(fileName, 0);
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@ -171,6 +223,7 @@ Image LoadImage(const char *fileName)
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UnloadResource(rres);
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}
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else TraceLog("[%s] Image fileformat not supported", fileName);
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if (image.data != NULL) TraceLog(INFO, "[%s] Image loaded successfully (%ix%i)", fileName, image.width, image.height);
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else TraceLog(WARNING, "[%s] Image could not be loaded", fileName);
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@ -664,115 +717,6 @@ void ImageAlphaMask(Image *image, Image alphaMask)
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}
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}
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// Dither image data to 16bpp or lower (Floyd-Steinberg dithering)
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// NOTE: In case selected bpp do not represent an known 16bit format,
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// dithered data is stored in the LSB part of the unsigned short
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void ImageDither(Image *image, int rBpp, int gBpp, int bBpp, int aBpp)
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{
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if (image->format >= COMPRESSED_DXT1_RGB)
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{
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TraceLog(WARNING, "Compressed data formats can not be dithered");
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return;
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}
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if ((rBpp+gBpp+bBpp+aBpp) > 16)
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{
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TraceLog(WARNING, "Unsupported dithering bpps (%ibpp), only 16bpp or lower modes supported", (rBpp+gBpp+bBpp+aBpp));
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}
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else
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{
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Color *pixels = GetImageData(*image);
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free(image->data); // free old image data
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if ((image->format != UNCOMPRESSED_R8G8B8) && (image->format != UNCOMPRESSED_R8G8B8A8))
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{
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TraceLog(WARNING, "Image format is already 16bpp or lower, dithering could have no effect");
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}
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// Define new image format, check if desired bpp match internal known format
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if ((rBpp == 5) && (gBpp == 6) && (bBpp == 5) && (aBpp == 0)) image->format = UNCOMPRESSED_R5G6B5;
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else if ((rBpp == 5) && (gBpp == 5) && (bBpp == 5) && (aBpp == 1)) image->format = UNCOMPRESSED_R5G5B5A1;
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else if ((rBpp == 4) && (gBpp == 4) && (bBpp == 4) && (aBpp == 4)) image->format = UNCOMPRESSED_R4G4B4A4;
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else
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{
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image->format = 0;
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TraceLog(WARNING, "Unsupported dithered OpenGL internal format: %ibpp (R%iG%iB%iA%i)", (rBpp+gBpp+bBpp+aBpp), rBpp, gBpp, bBpp, aBpp);
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}
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// NOTE: We will store the dithered data as unsigned short (16bpp)
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image->data = (unsigned short *)malloc(image->width*image->height*sizeof(unsigned short));
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Color oldPixel = WHITE;
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Color newPixel = WHITE;
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int rError, gError, bError;
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unsigned short rPixel, gPixel, bPixel, aPixel; // Used for 16bit pixel composition
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#define MIN(a,b) (((a)<(b))?(a):(b))
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for (int y = 0; y < image->height; y++)
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{
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for (int x = 0; x < image->width; x++)
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{
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oldPixel = pixels[y*image->width + x];
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// NOTE: New pixel obtained by bits truncate, it would be better to round values (check ImageFormat())
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newPixel.r = oldPixel.r >> (8 - rBpp); // R bits
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newPixel.g = oldPixel.g >> (8 - gBpp); // G bits
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newPixel.b = oldPixel.b >> (8 - bBpp); // B bits
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newPixel.a = oldPixel.a >> (8 - aBpp); // A bits (not used on dithering)
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// NOTE: Error must be computed between new and old pixel but using same number of bits!
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// We want to know how much color precision we have lost...
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rError = (int)oldPixel.r - (int)(newPixel.r << (8 - rBpp));
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gError = (int)oldPixel.g - (int)(newPixel.g << (8 - gBpp));
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bError = (int)oldPixel.b - (int)(newPixel.b << (8 - bBpp));
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pixels[y*image->width + x] = newPixel;
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// NOTE: Some cases are out of the array and should be ignored
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if (x < (image->width - 1))
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{
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pixels[y*image->width + x+1].r = MIN((int)pixels[y*image->width + x+1].r + (int)((float)rError*7.0f/16), 0xff);
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pixels[y*image->width + x+1].g = MIN((int)pixels[y*image->width + x+1].g + (int)((float)gError*7.0f/16), 0xff);
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pixels[y*image->width + x+1].b = MIN((int)pixels[y*image->width + x+1].b + (int)((float)bError*7.0f/16), 0xff);
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}
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if ((x > 0) && (y < (image->height - 1)))
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{
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pixels[(y+1)*image->width + x-1].r = MIN((int)pixels[(y+1)*image->width + x-1].r + (int)((float)rError*3.0f/16), 0xff);
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pixels[(y+1)*image->width + x-1].g = MIN((int)pixels[(y+1)*image->width + x-1].g + (int)((float)gError*3.0f/16), 0xff);
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pixels[(y+1)*image->width + x-1].b = MIN((int)pixels[(y+1)*image->width + x-1].b + (int)((float)bError*3.0f/16), 0xff);
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}
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if (y < (image->height - 1))
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{
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pixels[(y+1)*image->width + x].r = MIN((int)pixels[(y+1)*image->width + x].r + (int)((float)rError*5.0f/16), 0xff);
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pixels[(y+1)*image->width + x].g = MIN((int)pixels[(y+1)*image->width + x].g + (int)((float)gError*5.0f/16), 0xff);
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pixels[(y+1)*image->width + x].b = MIN((int)pixels[(y+1)*image->width + x].b + (int)((float)bError*5.0f/16), 0xff);
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}
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if ((x < (image->width - 1)) && (y < (image->height - 1)))
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{
|
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pixels[(y+1)*image->width + x+1].r = MIN((int)pixels[(y+1)*image->width + x+1].r + (int)((float)rError*1.0f/16), 0xff);
|
||||
pixels[(y+1)*image->width + x+1].g = MIN((int)pixels[(y+1)*image->width + x+1].g + (int)((float)gError*1.0f/16), 0xff);
|
||||
pixels[(y+1)*image->width + x+1].b = MIN((int)pixels[(y+1)*image->width + x+1].b + (int)((float)bError*1.0f/16), 0xff);
|
||||
}
|
||||
|
||||
rPixel = (unsigned short)newPixel.r;
|
||||
gPixel = (unsigned short)newPixel.g;
|
||||
bPixel = (unsigned short)newPixel.b;
|
||||
aPixel = (unsigned short)newPixel.a;
|
||||
|
||||
((unsigned short *)image->data)[y*image->width + x] = (rPixel << (gBpp + bBpp + aBpp)) | (gPixel << (bBpp + aBpp)) | (bPixel << aBpp) | aPixel;
|
||||
}
|
||||
}
|
||||
|
||||
free(pixels);
|
||||
}
|
||||
}
|
||||
|
||||
// Convert image to POT (power-of-two)
|
||||
// NOTE: It could be useful on OpenGL ES 2.0 (RPI, HTML5)
|
||||
void ImageToPOT(Image *image, Color fillColor)
|
||||
@ -818,6 +762,7 @@ void ImageToPOT(Image *image, Color fillColor)
|
||||
}
|
||||
}
|
||||
|
||||
#if defined(SUPPORT_IMAGE_MANIPULATION)
|
||||
// Copy an image to a new image
|
||||
Image ImageCopy(Image image)
|
||||
{
|
||||
@ -1203,6 +1148,115 @@ void ImageFlipHorizontal(Image *image)
|
||||
image->data = processed.data;
|
||||
}
|
||||
|
||||
// Dither image data to 16bpp or lower (Floyd-Steinberg dithering)
|
||||
// NOTE: In case selected bpp do not represent an known 16bit format,
|
||||
// dithered data is stored in the LSB part of the unsigned short
|
||||
void ImageDither(Image *image, int rBpp, int gBpp, int bBpp, int aBpp)
|
||||
{
|
||||
if (image->format >= COMPRESSED_DXT1_RGB)
|
||||
{
|
||||
TraceLog(WARNING, "Compressed data formats can not be dithered");
|
||||
return;
|
||||
}
|
||||
|
||||
if ((rBpp+gBpp+bBpp+aBpp) > 16)
|
||||
{
|
||||
TraceLog(WARNING, "Unsupported dithering bpps (%ibpp), only 16bpp or lower modes supported", (rBpp+gBpp+bBpp+aBpp));
|
||||
}
|
||||
else
|
||||
{
|
||||
Color *pixels = GetImageData(*image);
|
||||
|
||||
free(image->data); // free old image data
|
||||
|
||||
if ((image->format != UNCOMPRESSED_R8G8B8) && (image->format != UNCOMPRESSED_R8G8B8A8))
|
||||
{
|
||||
TraceLog(WARNING, "Image format is already 16bpp or lower, dithering could have no effect");
|
||||
}
|
||||
|
||||
// Define new image format, check if desired bpp match internal known format
|
||||
if ((rBpp == 5) && (gBpp == 6) && (bBpp == 5) && (aBpp == 0)) image->format = UNCOMPRESSED_R5G6B5;
|
||||
else if ((rBpp == 5) && (gBpp == 5) && (bBpp == 5) && (aBpp == 1)) image->format = UNCOMPRESSED_R5G5B5A1;
|
||||
else if ((rBpp == 4) && (gBpp == 4) && (bBpp == 4) && (aBpp == 4)) image->format = UNCOMPRESSED_R4G4B4A4;
|
||||
else
|
||||
{
|
||||
image->format = 0;
|
||||
TraceLog(WARNING, "Unsupported dithered OpenGL internal format: %ibpp (R%iG%iB%iA%i)", (rBpp+gBpp+bBpp+aBpp), rBpp, gBpp, bBpp, aBpp);
|
||||
}
|
||||
|
||||
// NOTE: We will store the dithered data as unsigned short (16bpp)
|
||||
image->data = (unsigned short *)malloc(image->width*image->height*sizeof(unsigned short));
|
||||
|
||||
Color oldPixel = WHITE;
|
||||
Color newPixel = WHITE;
|
||||
|
||||
int rError, gError, bError;
|
||||
unsigned short rPixel, gPixel, bPixel, aPixel; // Used for 16bit pixel composition
|
||||
|
||||
#define MIN(a,b) (((a)<(b))?(a):(b))
|
||||
|
||||
for (int y = 0; y < image->height; y++)
|
||||
{
|
||||
for (int x = 0; x < image->width; x++)
|
||||
{
|
||||
oldPixel = pixels[y*image->width + x];
|
||||
|
||||
// NOTE: New pixel obtained by bits truncate, it would be better to round values (check ImageFormat())
|
||||
newPixel.r = oldPixel.r >> (8 - rBpp); // R bits
|
||||
newPixel.g = oldPixel.g >> (8 - gBpp); // G bits
|
||||
newPixel.b = oldPixel.b >> (8 - bBpp); // B bits
|
||||
newPixel.a = oldPixel.a >> (8 - aBpp); // A bits (not used on dithering)
|
||||
|
||||
// NOTE: Error must be computed between new and old pixel but using same number of bits!
|
||||
// We want to know how much color precision we have lost...
|
||||
rError = (int)oldPixel.r - (int)(newPixel.r << (8 - rBpp));
|
||||
gError = (int)oldPixel.g - (int)(newPixel.g << (8 - gBpp));
|
||||
bError = (int)oldPixel.b - (int)(newPixel.b << (8 - bBpp));
|
||||
|
||||
pixels[y*image->width + x] = newPixel;
|
||||
|
||||
// NOTE: Some cases are out of the array and should be ignored
|
||||
if (x < (image->width - 1))
|
||||
{
|
||||
pixels[y*image->width + x+1].r = MIN((int)pixels[y*image->width + x+1].r + (int)((float)rError*7.0f/16), 0xff);
|
||||
pixels[y*image->width + x+1].g = MIN((int)pixels[y*image->width + x+1].g + (int)((float)gError*7.0f/16), 0xff);
|
||||
pixels[y*image->width + x+1].b = MIN((int)pixels[y*image->width + x+1].b + (int)((float)bError*7.0f/16), 0xff);
|
||||
}
|
||||
|
||||
if ((x > 0) && (y < (image->height - 1)))
|
||||
{
|
||||
pixels[(y+1)*image->width + x-1].r = MIN((int)pixels[(y+1)*image->width + x-1].r + (int)((float)rError*3.0f/16), 0xff);
|
||||
pixels[(y+1)*image->width + x-1].g = MIN((int)pixels[(y+1)*image->width + x-1].g + (int)((float)gError*3.0f/16), 0xff);
|
||||
pixels[(y+1)*image->width + x-1].b = MIN((int)pixels[(y+1)*image->width + x-1].b + (int)((float)bError*3.0f/16), 0xff);
|
||||
}
|
||||
|
||||
if (y < (image->height - 1))
|
||||
{
|
||||
pixels[(y+1)*image->width + x].r = MIN((int)pixels[(y+1)*image->width + x].r + (int)((float)rError*5.0f/16), 0xff);
|
||||
pixels[(y+1)*image->width + x].g = MIN((int)pixels[(y+1)*image->width + x].g + (int)((float)gError*5.0f/16), 0xff);
|
||||
pixels[(y+1)*image->width + x].b = MIN((int)pixels[(y+1)*image->width + x].b + (int)((float)bError*5.0f/16), 0xff);
|
||||
}
|
||||
|
||||
if ((x < (image->width - 1)) && (y < (image->height - 1)))
|
||||
{
|
||||
pixels[(y+1)*image->width + x+1].r = MIN((int)pixels[(y+1)*image->width + x+1].r + (int)((float)rError*1.0f/16), 0xff);
|
||||
pixels[(y+1)*image->width + x+1].g = MIN((int)pixels[(y+1)*image->width + x+1].g + (int)((float)gError*1.0f/16), 0xff);
|
||||
pixels[(y+1)*image->width + x+1].b = MIN((int)pixels[(y+1)*image->width + x+1].b + (int)((float)bError*1.0f/16), 0xff);
|
||||
}
|
||||
|
||||
rPixel = (unsigned short)newPixel.r;
|
||||
gPixel = (unsigned short)newPixel.g;
|
||||
bPixel = (unsigned short)newPixel.b;
|
||||
aPixel = (unsigned short)newPixel.a;
|
||||
|
||||
((unsigned short *)image->data)[y*image->width + x] = (rPixel << (gBpp + bBpp + aBpp)) | (gPixel << (bBpp + aBpp)) | (bPixel << aBpp) | aPixel;
|
||||
}
|
||||
}
|
||||
|
||||
free(pixels);
|
||||
}
|
||||
}
|
||||
|
||||
// Modify image color: tint
|
||||
void ImageColorTint(Image *image, Color color)
|
||||
{
|
||||
@ -1359,6 +1413,7 @@ void ImageColorBrightness(Image *image, int brightness)
|
||||
|
||||
image->data = processed.data;
|
||||
}
|
||||
#endif // SUPPORT_IMAGE_MANIPULATION
|
||||
|
||||
// Generate GPU mipmaps for a texture
|
||||
void GenTextureMipmaps(Texture2D *texture)
|
||||
@ -1547,6 +1602,7 @@ void DrawTexturePro(Texture2D texture, Rectangle sourceRec, Rectangle destRec, V
|
||||
// Module specific Functions Definition
|
||||
//----------------------------------------------------------------------------------
|
||||
|
||||
#if defined(SUPPORT_FILEFORMAT_DDS)
|
||||
// Loading DDS image data (compressed or uncompressed)
|
||||
static Image LoadDDS(const char *fileName)
|
||||
{
|
||||
@ -1744,7 +1800,9 @@ static Image LoadDDS(const char *fileName)
|
||||
|
||||
return image;
|
||||
}
|
||||
#endif
|
||||
|
||||
#if defined(SUPPORT_FILEFORMAT_PKM)
|
||||
// Loading PKM image data (ETC1/ETC2 compression)
|
||||
// NOTE: KTX is the standard Khronos Group compression format (ETC1/ETC2, mipmaps)
|
||||
// PKM is a much simpler file format used mainly to contain a single ETC1/ETC2 compressed image (no mipmaps)
|
||||
@ -1836,7 +1894,9 @@ static Image LoadPKM(const char *fileName)
|
||||
|
||||
return image;
|
||||
}
|
||||
#endif
|
||||
|
||||
#if defined(SUPPORT_FILEFORMAT_KTX)
|
||||
// Load KTX compressed image data (ETC1/ETC2 compression)
|
||||
static Image LoadKTX(const char *fileName)
|
||||
{
|
||||
@ -1929,7 +1989,9 @@ static Image LoadKTX(const char *fileName)
|
||||
|
||||
return image;
|
||||
}
|
||||
#endif
|
||||
|
||||
#if defined(SUPPORT_FILEFORMAT_PVR)
|
||||
// Loading PVR image data (uncompressed or PVRT compression)
|
||||
// NOTE: PVR v2 not supported, use PVR v3 instead
|
||||
static Image LoadPVR(const char *fileName)
|
||||
@ -2087,7 +2149,9 @@ static Image LoadPVR(const char *fileName)
|
||||
|
||||
return image;
|
||||
}
|
||||
#endif
|
||||
|
||||
#if defined(SUPPORT_FILEFORMAT_ASTC)
|
||||
// Load ASTC compressed image data (ASTC compression)
|
||||
static Image LoadASTC(const char *fileName)
|
||||
{
|
||||
@ -2170,3 +2234,4 @@ static Image LoadASTC(const char *fileName)
|
||||
|
||||
return image;
|
||||
}
|
||||
#endif
|
||||
@ -20,7 +20,7 @@
|
||||
* Show TraceLog() DEBUG messages
|
||||
*
|
||||
* DEPENDENCIES:
|
||||
* stb_image_write - PNG writting functions
|
||||
* stb_image_write - BMP/PNG writting functions
|
||||
*
|
||||
*
|
||||
* LICENSE: zlib/libpng
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user