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@ -71,10 +71,10 @@ |
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#if defined(SUPPORT_MODULE_RTEXTURES) |
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#include "utils.h" // Required for: TRACELOG() |
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#include "rlgl.h" // OpenGL abstraction layer to OpenGL 1.1, 3.3 or ES2 |
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#include "rlgl.h" // OpenGL abstraction layer to multiple versions |
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#include <stdlib.h> // Required for: malloc(), free() |
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#include <string.h> // Required for: strlen() [Used in ImageTextEx()], strcmp() [Used in LoadImageFromMemory()] |
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#include <stdlib.h> // Required for: malloc(), calloc(), free() |
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#include <string.h> // Required for: strlen() [Used in ImageTextEx()], strcmp() [Used in LoadImageFromMemory()/LoadImageAnimFromMemory()/ExportImageToMemory()] |
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#include <math.h> // Required for: fabsf() [Used in DrawTextureRec()] |
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#include <stdio.h> // Required for: sprintf() [Used in ExportImageAsCode()] |
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@ -293,9 +293,12 @@ Image LoadImage(const char *fileName) |
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unsigned char *fileData = LoadFileData(fileName, &dataSize); |
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// Loading image from memory data |
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if (fileData != NULL) image = LoadImageFromMemory(GetFileExtension(fileName), fileData, dataSize); |
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if (fileData != NULL) |
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{ |
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image = LoadImageFromMemory(GetFileExtension(fileName), fileData, dataSize); |
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RL_FREE(fileData); |
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UnloadFileData(fileData); |
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} |
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return image; |
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} |
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@ -322,7 +325,7 @@ Image LoadImageRaw(const char *fileName, int width, int height, int format, int |
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image.mipmaps = 1; |
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image.format = format; |
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RL_FREE(fileData); |
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UnloadFileData(fileData); |
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} |
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return image; |
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@ -431,7 +434,7 @@ Image LoadImageAnim(const char *fileName, int *frames) |
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image.mipmaps = 1; |
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image.format = PIXELFORMAT_UNCOMPRESSED_R8G8B8A8; |
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RL_FREE(fileData); |
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UnloadFileData(fileData); |
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RL_FREE(delays); // NOTE: Frames delays are discarded |
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} |
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} |
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@ -494,6 +497,9 @@ Image LoadImageAnimFromMemory(const char *fileType, const unsigned char *fileDat |
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Image LoadImageFromMemory(const char *fileType, const unsigned char *fileData, int dataSize) |
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{ |
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Image image = { 0 }; |
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// Security check for input data |
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if ((fileType == NULL) || (fileData == NULL) || (dataSize == 0)) return image; |
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if ((false) |
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#if defined(SUPPORT_FILEFORMAT_PNG) |
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@ -699,11 +705,15 @@ Image LoadImageFromScreen(void) |
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// Check if an image is ready |
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bool IsImageReady(Image image) |
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{ |
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return ((image.data != NULL) && // Validate pixel data available |
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(image.width > 0) && |
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(image.height > 0) && // Validate image size |
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(image.format > 0) && // Validate image format |
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(image.mipmaps > 0)); // Validate image mipmaps (at least 1 for basic mipmap level) |
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bool result = false; |
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if ((image.data != NULL) && // Validate pixel data available |
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(image.width > 0) && |
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(image.height > 0) && // Validate image size |
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(image.format > 0) && // Validate image format |
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(image.mipmaps > 0)) result = true; // Validate image mipmaps (at least 1 for basic mipmap level) |
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return result; |
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} |
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// Unload image from CPU memory (RAM) |
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@ -718,6 +728,7 @@ bool ExportImage(Image image, const char *fileName) |
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{ |
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int result = 0; |
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// Security check for input data |
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if ((image.width == 0) || (image.height == 0) || (image.data == NULL)) return result; |
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#if defined(SUPPORT_IMAGE_EXPORT) |
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@ -805,6 +816,7 @@ unsigned char *ExportImageToMemory(Image image, const char *fileType, int *dataS |
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unsigned char *fileData = NULL; |
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*dataSize = 0; |
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// Security check for input data |
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if ((image.width == 0) || (image.height == 0) || (image.data == NULL)) return NULL; |
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#if defined(SUPPORT_IMAGE_EXPORT) |
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@ -2184,7 +2196,7 @@ void ImageKernelConvolution(Image *image, float* kernel, int kernelSize) |
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endRange = kernelWidth/2 + 1; |
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} |
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for(int x = 0; x < image->height; x++) |
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for (int x = 0; x < image->height; x++) |
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{ |
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for (int y = 0; y < image->width; y++) |
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{ |
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@ -3940,13 +3952,17 @@ RenderTexture2D LoadRenderTexture(int width, int height) |
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// Check if a texture is ready |
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bool IsTextureReady(Texture2D texture) |
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{ |
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bool result = false; |
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// TODO: Validate maximum texture size supported by GPU? |
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return ((texture.id > 0) && // Validate OpenGL id |
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(texture.width > 0) && |
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(texture.height > 0) && // Validate texture size |
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(texture.format > 0) && // Validate texture pixel format |
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(texture.mipmaps > 0)); // Validate texture mipmaps (at least 1 for basic mipmap level) |
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if ((texture.id > 0) && // Validate OpenGL id |
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(texture.width > 0) && |
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(texture.height > 0) && // Validate texture size |
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(texture.format > 0) && // Validate texture pixel format |
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(texture.mipmaps > 0)) result = true; // Validate texture mipmaps (at least 1 for basic mipmap level) |
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return result; |
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} |
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// Unload texture from GPU memory (VRAM) |
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@ -3963,9 +3979,13 @@ void UnloadTexture(Texture2D texture) |
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// Check if a render texture is ready |
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bool IsRenderTextureReady(RenderTexture2D target) |
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{ |
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return ((target.id > 0) && // Validate OpenGL id |
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IsTextureReady(target.depth) && // Validate FBO depth texture/renderbuffer |
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IsTextureReady(target.texture)); // Validate FBO texture |
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bool result = false; |
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if ((target.id > 0) && // Validate OpenGL id |
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IsTextureReady(target.depth) && // Validate FBO depth texture/renderbuffer |
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IsTextureReady(target.texture)) result = true; // Validate FBO texture |
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return result; |
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} |
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// Unload render texture from GPU memory (VRAM) |
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@ -4473,16 +4493,22 @@ bool ColorIsEqual(Color col1, Color col2) |
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// Get color with alpha applied, alpha goes from 0.0f to 1.0f |
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Color Fade(Color color, float alpha) |
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{ |
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Color result = color; |
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if (alpha < 0.0f) alpha = 0.0f; |
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else if (alpha > 1.0f) alpha = 1.0f; |
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result.a = (unsigned char)(255.0f*alpha); |
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return (Color){ color.r, color.g, color.b, (unsigned char)(255.0f*alpha) }; |
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return n">result; |
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} |
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// Get hexadecimal value for a Color |
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int ColorToInt(Color color) |
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{ |
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return (((int)color.r << 24) | ((int)color.g << 16) | ((int)color.b << 8) | (int)color.a); |
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int result = (((int)color.r << 24) | ((int)color.g << 16) | ((int)color.b << 8) | (int)color.a); |
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return result; |
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} |
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// Get color normalized as float [0..1] |
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@ -4701,10 +4727,14 @@ Color ColorContrast(Color color, float contrast) |
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// Get color with alpha applied, alpha goes from 0.0f to 1.0f |
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Color ColorAlpha(Color color, float alpha) |
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{ |
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Color result = color; |
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if (alpha < 0.0f) alpha = 0.0f; |
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else if (alpha > 1.0f) alpha = 1.0f; |
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return (Color){color.r, color.g, color.b, (unsigned char)(255.0f*alpha)}; |
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result.a = (unsigned char)(255.0f*alpha); |
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return result; |
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} |
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// Get src alpha-blended into dst color with tint |
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@ -5007,21 +5037,31 @@ int GetPixelDataSize(int width, int height, int format) |
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// REF: https://stackoverflow.com/questions/1659440/32-bit-to-16-bit-floating-point-conversion/60047308#60047308 |
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static float HalfToFloat(unsigned short x) |
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{ |
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float result = 0.0f; |
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const unsigned int e = (x & 0x7C00) >> 10; // Exponent |
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const unsigned int m = (x & 0x03FF) << 13; // Mantissa |
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const float fm = (float)m; |
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const unsigned int v = (*(unsigned int*)&fm) >> 23; // Evil log2 bit hack to count leading zeros in denormalized format |
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const unsigned int r = (x & 0x8000) << 16 | (e != 0)*((e + 112) << 23 | m) | ((e == 0)&(m != 0))*((v - 37) << 23 | ((m << (150 - v)) & 0x007FE000)); // sign : normalized : denormalized |
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return *(float*)&r; |
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result = *(float *)&r; |
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return result; |
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} |
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// Convert float to half-float (stored as unsigned short) |
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static unsigned short FloatToHalf(float x) |
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{ |
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unsigned short result = 0; |
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const unsigned int b = (*(unsigned int*) & x) + 0x00001000; // Round-to-nearest-even: add last bit after truncated mantissa |
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const unsigned int e = (b & 0x7F800000) >> 23; // Exponent |
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const unsigned int m = b & 0x007FFFFF; // Mantissa; in line below: 0x007FF000 = 0x00800000-0x00001000 = decimal indicator flag - initial rounding |
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return (b & 0x80000000) >> 16 | (e > 112)*((((e - 112) << 10) & 0x7C00) | m >> 13) | ((e < 113) & (e > 101))*((((0x007FF000 + m) >> (125 - e)) + 1) >> 1) | (e > 143)*0x7FFF; // sign : normalized : denormalized : saturate |
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result = (b & 0x80000000) >> 16 | (e > 112)*((((e - 112) << 10) & 0x7C00) | m >> 13) | ((e < 113) & (e > 101))*((((0x007FF000 + m) >> (125 - e)) + 1) >> 1) | (e > 143)*0x7FFF; // sign : normalized : denormalized : saturate |
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return result; |
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} |
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// Get pixel data from image as Vector4 array (float normalized) |
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Ray
1 år sedan