diff options
Diffstat (limited to 'src/core.c')
| -rw-r--r-- | src/core.c | 38 |
1 files changed, 31 insertions, 7 deletions
@@ -35,6 +35,7 @@ #include <time.h> // Useful to initialize random seed #include <math.h> // Math related functions, tan() on SetPerspective #include "vector3.h" // Basic Vector3 functions +#include "utils.h" // WritePNG() function //#define GLFW_DLL // Using GLFW DLL on Windows -> No, we use static version! @@ -81,7 +82,6 @@ static char currentGamepadState[32] = {0}; // Required to check if gamepad btn //---------------------------------------------------------------------------------- extern void LoadDefaultFont(); // [Module: text] Loads default font on InitWindow() extern void UnloadDefaultFont(); // [Module: text] Unloads default font from GPU memory -extern void WriteBitmap(const char *fileName, const pixel *imgDataPixel, int width, int height); // [Module: textures] Writes a bitmap (BMP) file //---------------------------------------------------------------------------------- // Module specific Functions Declaration @@ -354,6 +354,15 @@ int GetRandomValue(int min, int max) return (rand()%(abs(max-min)+1) + min); } +// Fades color by a percentadge +Color Fade(Color color, float alpha) +{ + if (alpha < 0.0) alpha = 0.0; + else if (alpha > 1.0) alpha = 1.0; + + return (Color){color.r, color.g, color.b, color.a*alpha}; +} + //---------------------------------------------------------------------------------- // Module Functions Definition - Input (Keyboard, Mouse, Gamepad) Functions //---------------------------------------------------------------------------------- @@ -737,21 +746,36 @@ static void TakeScreenshot() char buffer[20]; // Buffer to store file name int fbWidth, fbHeight; - Color *imgDataPixel; // Pixel image data array + unsigned char *imgData; // Pixel image data array glfwGetFramebufferSize(window, &fbWidth, &fbHeight); // Get framebuffer size of current window - imgDataPixel = (Color *)malloc(fbWidth * fbHeight * sizeof(Color)); + imgData = (unsigned char *)malloc(fbWidth * fbHeight * sizeof(unsigned char) * 4); // NOTE: glReadPixels returns image flipped vertically -> (0,0) is the bottom left corner of the framebuffer - glReadPixels(0, 0, fbWidth, fbHeight, GL_RGBA, GL_UNSIGNED_BYTE, imgDataPixel); + glReadPixels(0, 0, fbWidth, fbHeight, GL_RGBA, GL_UNSIGNED_BYTE, imgData); + + // TODO: Flip image vertically! + + unsigned char *imgDataFlip = (unsigned char *)malloc(fbWidth * fbHeight * sizeof(unsigned char) * 4); + + for (int y = fbHeight-1; y >= 0; y--) + { + for (int x = 0; x < (fbWidth*4); x++) + { + imgDataFlip[x + (fbHeight - y - 1)*fbWidth*4] = imgData[x + (y*fbWidth*4)]; + } + } + + free(imgData); - sprintf(buffer, "screenshot%03i.bmp", shotNum); + sprintf(buffer, "screenshot%03i.png", shotNum); // NOTE: BMP directly stores data flipped vertically - WriteBitmap(buffer, imgDataPixel, fbWidth, fbHeight); // Writes pixel data array into a bitmap (BMP) file + //WriteBitmap(buffer, imgDataPixel, fbWidth, fbHeight); // Writes pixel data array into a bitmap (BMP) file + WritePNG(buffer, imgDataFlip, fbWidth, fbHeight); - free(imgDataPixel); + free(imgDataFlip); shotNum++; }
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