aboutsummaryrefslogtreecommitdiff
path: root/docs/examples/web/textures_image_processing.c
diff options
context:
space:
mode:
authorRay <raysan5@gmail.com>2017-04-09 23:46:47 +0200
committerRay <raysan5@gmail.com>2017-04-09 23:46:47 +0200
commitf7bebf9861734c47d0840868f243b186a59a96ba (patch)
treef5ca2d320c680ef5926b5455e4498646031cd5ac /docs/examples/web/textures_image_processing.c
parent8374460c3986b16c68a6dea0643e9af541987d52 (diff)
downloadraylib-f7bebf9861734c47d0840868f243b186a59a96ba.tar.gz
raylib-f7bebf9861734c47d0840868f243b186a59a96ba.zip
Working on web examples
Reorganizing folders Review examples Work on makefile and loader.html
Diffstat (limited to 'docs/examples/web/textures_image_processing.c')
-rw-r--r--docs/examples/web/textures_image_processing.c184
1 files changed, 0 insertions, 184 deletions
diff --git a/docs/examples/web/textures_image_processing.c b/docs/examples/web/textures_image_processing.c
deleted file mode 100644
index 39b40fec..00000000
--- a/docs/examples/web/textures_image_processing.c
+++ /dev/null
@@ -1,184 +0,0 @@
-/*******************************************************************************************
-*
-* raylib [textures] example - Image processing
-*
-* NOTE: Images are loaded in CPU memory (RAM); textures are loaded in GPU memory (VRAM)
-*
-* This example has been created using raylib 1.4 (www.raylib.com)
-* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
-*
-* Copyright (c) 2016 Ramon Santamaria (@raysan5)
-*
-********************************************************************************************/
-
-#include "raylib.h"
-
-#include <stdlib.h> // Required for: free()
-
-#if defined(PLATFORM_WEB)
- #include <emscripten/emscripten.h>
-#endif
-
-#define NUM_PROCESSES 8
-
-//----------------------------------------------------------------------------------
-// Global Variables Definition
-//----------------------------------------------------------------------------------
-int screenWidth = 800;
-int screenHeight = 450;
-
-typedef enum {
- NONE = 0,
- COLOR_GRAYSCALE,
- COLOR_TINT,
- COLOR_INVERT,
- COLOR_CONTRAST,
- COLOR_BRIGHTNESS,
- FLIP_VERTICAL,
- FLIP_HORIZONTAL
-} ImageProcess;
-
-static const char *processText[] = {
- "NO PROCESSING",
- "COLOR GRAYSCALE",
- "COLOR TINT",
- "COLOR INVERT",
- "COLOR CONTRAST",
- "COLOR BRIGHTNESS",
- "FLIP VERTICAL",
- "FLIP HORIZONTAL"
-};
-
-Image image;
-Texture2D texture;
-
-int currentProcess = NONE;
-bool textureReload = false;
-
-Rectangle selectRecs[NUM_PROCESSES];
-
-//----------------------------------------------------------------------------------
-// Module Functions Declaration
-//----------------------------------------------------------------------------------
-void UpdateDrawFrame(void); // Update and Draw one frame
-
-//----------------------------------------------------------------------------------
-// Main Enry Point
-//----------------------------------------------------------------------------------
-int main()
-{
- // Initialization
- //--------------------------------------------------------------------------------------
- InitWindow(screenWidth, screenHeight, "raylib [textures] example - image processing");
-
- // NOTE: Textures MUST be loaded after Window initialization (OpenGL context is required)
-
- image = LoadImage("resources/parrots.png"); // Loaded in CPU memory (RAM)
- ImageFormat(&image, UNCOMPRESSED_R8G8B8A8); // Format image to RGBA 32bit (required for texture update)
- texture = LoadTextureFromImage(image); // Image converted to texture, GPU memory (VRAM)
-
- for (int i = 0; i < NUM_PROCESSES; i++) selectRecs[i] = (Rectangle){ 40, 50 + 32*i, 150, 30 };
-
-#if defined(PLATFORM_WEB)
- emscripten_set_main_loop(UpdateDrawFrame, 0, 1);
-#else
- SetTargetFPS(60); // Set our game to run at 60 frames-per-second
- //--------------------------------------------------------------------------------------
-
- // Main game loop
- while (!WindowShouldClose()) // Detect window close button or ESC key
- {
- UpdateDrawFrame();
- }
-#endif
-
- // De-Initialization
- //--------------------------------------------------------------------------------------
- UnloadTexture(texture); // Unload texture from VRAM
- UnloadImage(image); // Unload image from RAM
-
- CloseWindow(); // Close window and OpenGL context
- //--------------------------------------------------------------------------------------
-
- return 0;
-}
-
-//----------------------------------------------------------------------------------
-// Module Functions Definition
-//----------------------------------------------------------------------------------
-void UpdateDrawFrame(void)
-{
- // Update
- //----------------------------------------------------------------------------------
- if (IsKeyPressed(KEY_DOWN))
- {
- currentProcess++;
- if (currentProcess > 7) currentProcess = 0;
- textureReload = true;
- }
- else if (IsKeyPressed(KEY_UP))
- {
- currentProcess--;
- if (currentProcess < 0) currentProcess = 7;
- textureReload = true;
- }
-
- if (textureReload)
- {
- UnloadImage(image); // Unload current image data
- image = LoadImage("resources/parrots.png"); // Re-load image data
-
- // NOTE: Image processing is a costly CPU process to be done every frame,
- // If image processing is required in a frame-basis, it should be done
- // with a texture and by shaders
- switch (currentProcess)
- {
- case COLOR_GRAYSCALE: ImageColorGrayscale(&image); break;
- case COLOR_TINT: ImageColorTint(&image, GREEN); break;
- case COLOR_INVERT: ImageColorInvert(&image); break;
- case COLOR_CONTRAST: ImageColorContrast(&image, -40); break;
- case COLOR_BRIGHTNESS: ImageColorBrightness(&image, -80); break;
- case FLIP_VERTICAL: ImageFlipVertical(&image); break;
- case FLIP_HORIZONTAL: ImageFlipHorizontal(&image); break;
- default: break;
- }
-
- Color *pixels = GetImageData(image); // Get pixel data from image (RGBA 32bit)
- UpdateTexture(texture, pixels); // Update texture with new image data
- free(pixels); // Unload pixels data from RAM
-
- textureReload = false;
- }
- //----------------------------------------------------------------------------------
-
- // Draw
- //----------------------------------------------------------------------------------
- BeginDrawing();
-
- ClearBackground(RAYWHITE);
-
- DrawText("IMAGE PROCESSING:", 40, 30, 10, DARKGRAY);
-
- // Draw rectangles
- for (int i = 0; i < NUM_PROCESSES; i++)
- {
- if (i == currentProcess)
- {
- DrawRectangleRec(selectRecs[i], SKYBLUE);
- DrawRectangleLines(selectRecs[i].x, selectRecs[i].y, selectRecs[i].width, selectRecs[i].height, BLUE);
- DrawText(processText[i], selectRecs[i].x + selectRecs[i].width/2 - MeasureText(processText[i], 10)/2, selectRecs[i].y + 11, 10, DARKBLUE);
- }
- else
- {
- DrawRectangleRec(selectRecs[i], LIGHTGRAY);
- DrawRectangleLines(selectRecs[i].x, selectRecs[i].y, selectRecs[i].width, selectRecs[i].height, GRAY);
- DrawText(processText[i], selectRecs[i].x + selectRecs[i].width/2 - MeasureText(processText[i], 10)/2, selectRecs[i].y + 11, 10, DARKGRAY);
- }
- }
-
- DrawTexture(texture, screenWidth - texture.width - 60, screenHeight/2 - texture.height/2, WHITE);
- DrawRectangleLines(screenWidth - texture.width - 60, screenHeight/2 - texture.height/2, texture.width, texture.height, BLACK);
-
- EndDrawing();
- //----------------------------------------------------------------------------------
-} \ No newline at end of file