diff options
| author | Ray <raysan5@gmail.com> | 2017-04-09 23:46:47 +0200 |
|---|---|---|
| committer | Ray <raysan5@gmail.com> | 2017-04-09 23:46:47 +0200 |
| commit | f7bebf9861734c47d0840868f243b186a59a96ba (patch) | |
| tree | f5ca2d320c680ef5926b5455e4498646031cd5ac /docs/examples/src/textures | |
| parent | 8374460c3986b16c68a6dea0643e9af541987d52 (diff) | |
| download | raylib-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/src/textures')
| -rw-r--r-- | docs/examples/src/textures/textures_image_drawing.c | 78 | ||||
| -rw-r--r-- | docs/examples/src/textures/textures_image_loading.c | 63 | ||||
| -rw-r--r-- | docs/examples/src/textures/textures_image_processing.c | 154 | ||||
| -rw-r--r-- | docs/examples/src/textures/textures_logo_raylib.c | 57 | ||||
| -rw-r--r-- | docs/examples/src/textures/textures_raw_data.c | 93 | ||||
| -rw-r--r-- | docs/examples/src/textures/textures_rectangle.c | 78 | ||||
| -rw-r--r-- | docs/examples/src/textures/textures_srcrec_dstrec.c | 79 | ||||
| -rw-r--r-- | docs/examples/src/textures/textures_to_image.c | 68 |
8 files changed, 670 insertions, 0 deletions
diff --git a/docs/examples/src/textures/textures_image_drawing.c b/docs/examples/src/textures/textures_image_drawing.c new file mode 100644 index 00000000..1c6a1fb9 --- /dev/null +++ b/docs/examples/src/textures/textures_image_drawing.c @@ -0,0 +1,78 @@ +/******************************************************************************************* +* +* raylib [textures] example - Image loading and drawing on it +* +* 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" + +int main() +{ + // Initialization + //-------------------------------------------------------------------------------------- + int screenWidth = 800; + int screenHeight = 450; + + InitWindow(screenWidth, screenHeight, "raylib [textures] example - image drawing"); + + // NOTE: Textures MUST be loaded after Window initialization (OpenGL context is required) + + Image cat = LoadImage("resources/cat.png"); // Load image in CPU memory (RAM) + ImageCrop(&cat, (Rectangle){ 100, 10, 280, 380 }); // Crop an image piece + ImageFlipHorizontal(&cat); // Flip cropped image horizontally + ImageResize(&cat, 150, 200); // Resize flipped-cropped image + + Image parrots = LoadImage("resources/parrots.png"); // Load image in CPU memory (RAM) + + // Draw one image over the other with a scaling of 1.5f + ImageDraw(&parrots, cat, (Rectangle){ 0, 0, cat.width, cat.height }, (Rectangle){ 30, 40, cat.width*1.5f, cat.height*1.5f }); + ImageCrop(&parrots, (Rectangle){ 0, 50, parrots.width, parrots.height - 100 }); // Crop resulting image + + UnloadImage(cat); // Unload image from RAM + + Texture2D texture = LoadTextureFromImage(parrots); // Image converted to texture, uploaded to GPU memory (VRAM) + UnloadImage(parrots); // Once image has been converted to texture and uploaded to VRAM, it can be unloaded from RAM + + SetTargetFPS(60); + //--------------------------------------------------------------------------------------- + + // Main game loop + while (!WindowShouldClose()) // Detect window close button or ESC key + { + // Update + //---------------------------------------------------------------------------------- + // TODO: Update your variables here + //---------------------------------------------------------------------------------- + + // Draw + //---------------------------------------------------------------------------------- + BeginDrawing(); + + ClearBackground(RAYWHITE); + + DrawTexture(texture, screenWidth/2 - texture.width/2, screenHeight/2 - texture.height/2 - 40, WHITE); + DrawRectangleLines(screenWidth/2 - texture.width/2, screenHeight/2 - texture.height/2 - 40, texture.width, texture.height, DARKGRAY); + + DrawText("We are drawing only one texture from various images composed!", 240, 350, 10, DARKGRAY); + DrawText("Source images have been cropped, scaled, flipped and copied one over the other.", 190, 370, 10, DARKGRAY); + + EndDrawing(); + //---------------------------------------------------------------------------------- + } + + // De-Initialization + //-------------------------------------------------------------------------------------- + UnloadTexture(texture); // Texture unloading + + CloseWindow(); // Close window and OpenGL context + //-------------------------------------------------------------------------------------- + + return 0; +}
\ No newline at end of file diff --git a/docs/examples/src/textures/textures_image_loading.c b/docs/examples/src/textures/textures_image_loading.c new file mode 100644 index 00000000..54c73586 --- /dev/null +++ b/docs/examples/src/textures/textures_image_loading.c @@ -0,0 +1,63 @@ +/******************************************************************************************* +* +* raylib [textures] example - Image loading and texture creation +* +* NOTE: Images are loaded in CPU memory (RAM); textures are loaded in GPU memory (VRAM) +* +* This example has been created using raylib 1.3 (www.raylib.com) +* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details) +* +* Copyright (c) 2015 Ramon Santamaria (@raysan5) +* +********************************************************************************************/ + +#include "raylib.h" + +int main() +{ + // Initialization + //-------------------------------------------------------------------------------------- + int screenWidth = 800; + int screenHeight = 450; + + InitWindow(screenWidth, screenHeight, "raylib [textures] example - image loading"); + + // NOTE: Textures MUST be loaded after Window initialization (OpenGL context is required) + + Image image = LoadImage("resources/raylib_logo.png"); // Loaded in CPU memory (RAM) + Texture2D texture = LoadTextureFromImage(image); // Image converted to texture, GPU memory (VRAM) + + UnloadImage(image); // Once image has been converted to texture and uploaded to VRAM, it can be unloaded from RAM + //--------------------------------------------------------------------------------------- + + // Main game loop + while (!WindowShouldClose()) // Detect window close button or ESC key + { + // Update + //---------------------------------------------------------------------------------- + // TODO: Update your variables here + //---------------------------------------------------------------------------------- + + // Draw + //---------------------------------------------------------------------------------- + BeginDrawing(); + + ClearBackground(RAYWHITE); + + DrawTexture(texture, screenWidth/2 - texture.width/2, screenHeight/2 - texture.height/2, WHITE); + + DrawText("this IS a texture loaded from an image!", 300, 370, 10, GRAY); + + EndDrawing(); + //---------------------------------------------------------------------------------- + } + + // De-Initialization + //-------------------------------------------------------------------------------------- + UnloadTexture(texture); // Texture unloading + + CloseWindow(); // Close window and OpenGL context + //-------------------------------------------------------------------------------------- + + return 0; +}
\ No newline at end of file diff --git a/docs/examples/src/textures/textures_image_processing.c b/docs/examples/src/textures/textures_image_processing.c new file mode 100644 index 00000000..58b746e0 --- /dev/null +++ b/docs/examples/src/textures/textures_image_processing.c @@ -0,0 +1,154 @@ +/******************************************************************************************* +* +* 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() + +#define NUM_PROCESSES 8 + +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" +}; + +int main() +{ + // Initialization + //-------------------------------------------------------------------------------------- + int screenWidth = 800; + int screenHeight = 450; + + InitWindow(screenWidth, screenHeight, "raylib [textures] example - image processing"); + + // NOTE: Textures MUST be loaded after Window initialization (OpenGL context is required) + + Image image = LoadImage("resources/parrots.png"); // Loaded in CPU memory (RAM) + ImageFormat(&image, UNCOMPRESSED_R8G8B8A8); // Format image to RGBA 32bit (required for texture update) + Texture2D texture = LoadTextureFromImage(image); // Image converted to texture, GPU memory (VRAM) + + int currentProcess = NONE; + bool textureReload = false; + + Rectangle selectRecs[NUM_PROCESSES]; + + for (int i = 0; i < NUM_PROCESSES; i++) selectRecs[i] = (Rectangle){ 40, 50 + 32*i, 150, 30 }; + + SetTargetFPS(60); + //--------------------------------------------------------------------------------------- + + // Main game loop + while (!WindowShouldClose()) // Detect window close button or ESC key + { + // 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(); + //---------------------------------------------------------------------------------- + } + + // De-Initialization + //-------------------------------------------------------------------------------------- + UnloadTexture(texture); // Unload texture from VRAM + UnloadImage(image); // Unload image from RAM + + CloseWindow(); // Close window and OpenGL context + //-------------------------------------------------------------------------------------- + + return 0; +}
\ No newline at end of file diff --git a/docs/examples/src/textures/textures_logo_raylib.c b/docs/examples/src/textures/textures_logo_raylib.c new file mode 100644 index 00000000..f2f93128 --- /dev/null +++ b/docs/examples/src/textures/textures_logo_raylib.c @@ -0,0 +1,57 @@ +/******************************************************************************************* +* +* raylib [textures] example - Texture loading and drawing +* +* This example has been created using raylib 1.0 (www.raylib.com) +* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details) +* +* Copyright (c) 2014 Ramon Santamaria (@raysan5) +* +********************************************************************************************/ + +#include "raylib.h" + +int main() +{ + // Initialization + //-------------------------------------------------------------------------------------- + int screenWidth = 800; + int screenHeight = 450; + + InitWindow(screenWidth, screenHeight, "raylib [textures] example - texture loading and drawing"); + + // NOTE: Textures MUST be loaded after Window initialization (OpenGL context is required) + Texture2D texture = LoadTexture("resources/raylib_logo.png"); // Texture loading + //--------------------------------------------------------------------------------------- + + // Main game loop + while (!WindowShouldClose()) // Detect window close button or ESC key + { + // Update + //---------------------------------------------------------------------------------- + // TODO: Update your variables here + //---------------------------------------------------------------------------------- + + // Draw + //---------------------------------------------------------------------------------- + BeginDrawing(); + + ClearBackground(RAYWHITE); + + DrawTexture(texture, screenWidth/2 - texture.width/2, screenHeight/2 - texture.height/2, WHITE); + + DrawText("this IS a texture!", 360, 370, 10, GRAY); + + EndDrawing(); + //---------------------------------------------------------------------------------- + } + + // De-Initialization + //-------------------------------------------------------------------------------------- + UnloadTexture(texture); // Texture unloading + + CloseWindow(); // Close window and OpenGL context + //-------------------------------------------------------------------------------------- + + return 0; +}
\ No newline at end of file diff --git a/docs/examples/src/textures/textures_raw_data.c b/docs/examples/src/textures/textures_raw_data.c new file mode 100644 index 00000000..d1922180 --- /dev/null +++ b/docs/examples/src/textures/textures_raw_data.c @@ -0,0 +1,93 @@ +/******************************************************************************************* +* +* raylib [textures] example - Load textures from raw data +* +* NOTE: Images are loaded in CPU memory (RAM); textures are loaded in GPU memory (VRAM) +* +* This example has been created using raylib 1.3 (www.raylib.com) +* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details) +* +* Copyright (c) 2015 Ramon Santamaria (@raysan5) +* +********************************************************************************************/ + +#include "raylib.h" + +#include <stdlib.h> // Required for malloc() and free() + +int main() +{ + // Initialization + //-------------------------------------------------------------------------------------- + int screenWidth = 800; + int screenHeight = 450; + + InitWindow(screenWidth, screenHeight, "raylib [textures] example - texture from raw data"); + + // NOTE: Textures MUST be loaded after Window initialization (OpenGL context is required) + + // Load RAW image data (512x512, 32bit RGBA, no file header) + Image sonicRaw = LoadImageRaw("resources/texture_formats/sonic_R8G8B8A8.raw", 512, 512, UNCOMPRESSED_R8G8B8A8, 0); + Texture2D sonic = LoadTextureFromImage(sonicRaw); // Upload CPU (RAM) image to GPU (VRAM) + UnloadImage(sonicRaw); // Unload CPU (RAM) image data + + // Generate a checked texture by code (1024x1024 pixels) + int width = 1024; + int height = 1024; + + // Dynamic memory allocation to store pixels data (Color type) + Color *pixels = (Color *)malloc(width*height*sizeof(Color)); + + for (int y = 0; y < height; y++) + { + for (int x = 0; x < width; x++) + { + if (((x/32+y/32)/1)%2 == 0) pixels[y*height + x] = DARKBLUE; + else pixels[y*height + x] = SKYBLUE; + } + } + + // Load pixels data into an image structure and create texture + Image checkedIm = LoadImageEx(pixels, width, height); + Texture2D checked = LoadTextureFromImage(checkedIm); + UnloadImage(checkedIm); // Unload CPU (RAM) image data + + // Dynamic memory must be freed after using it + free(pixels); // Unload CPU (RAM) pixels data + //--------------------------------------------------------------------------------------- + + // Main game loop + while (!WindowShouldClose()) // Detect window close button or ESC key + { + // Update + //---------------------------------------------------------------------------------- + // TODO: Update your variables here + //---------------------------------------------------------------------------------- + + // Draw + //---------------------------------------------------------------------------------- + BeginDrawing(); + + ClearBackground(RAYWHITE); + + DrawTexture(checked, screenWidth/2 - checked.width/2, screenHeight/2 - checked.height/2, Fade(WHITE, 0.3f)); + DrawTexture(sonic, 330, -20, WHITE); + + DrawText("CHECKED TEXTURE ", 84, 100, 30, DARKBLUE); + DrawText("GENERATED by CODE", 72, 164, 30, DARKBLUE); + DrawText("and RAW IMAGE LOADING", 46, 226, 30, DARKBLUE); + + EndDrawing(); + //---------------------------------------------------------------------------------- + } + + // De-Initialization + //-------------------------------------------------------------------------------------- + UnloadTexture(sonic); // Texture unloading + UnloadTexture(checked); // Texture unloading + + CloseWindow(); // Close window and OpenGL context + //-------------------------------------------------------------------------------------- + + return 0; +}
\ No newline at end of file diff --git a/docs/examples/src/textures/textures_rectangle.c b/docs/examples/src/textures/textures_rectangle.c new file mode 100644 index 00000000..cca5b216 --- /dev/null +++ b/docs/examples/src/textures/textures_rectangle.c @@ -0,0 +1,78 @@ +/******************************************************************************************* +* +* raylib [textures] example - Texture loading and drawing a part defined by a rectangle +* +* This example has been created using raylib 1.3 (www.raylib.com) +* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details) +* +* Copyright (c) 2014 Ramon Santamaria (@raysan5) +* +********************************************************************************************/ + +#include "raylib.h" + +int main() +{ + // Initialization + //-------------------------------------------------------------------------------------- + int screenWidth = 800; + int screenHeight = 450; + + InitWindow(screenWidth, screenHeight, "raylib [texture] example - texture rectangle"); + + // NOTE: Textures MUST be loaded after Window initialization (OpenGL context is required) + Texture2D guybrush = LoadTexture("resources/guybrush.png"); // Texture loading + + Vector2 position = { 350.0f, 240.0f }; + Rectangle frameRec = { 0, 0, guybrush.width/7, guybrush.height }; + int currentFrame = 0; + //-------------------------------------------------------------------------------------- + + // Main game loop + while (!WindowShouldClose()) // Detect window close button or ESC key + { + // Update + //---------------------------------------------------------------------------------- + if (IsKeyPressed(KEY_RIGHT)) + { + currentFrame++; + + if (currentFrame > 6) currentFrame = 0; + + frameRec.x = currentFrame*guybrush.width/7; + } + //---------------------------------------------------------------------------------- + + // Draw + //---------------------------------------------------------------------------------- + BeginDrawing(); + + ClearBackground(RAYWHITE); + + DrawTexture(guybrush, 35, 40, WHITE); + DrawRectangleLines(35, 40, guybrush.width, guybrush.height, LIME); + + DrawTextureRec(guybrush, frameRec, position, WHITE); // Draw part of the texture + + DrawRectangleLines(35 + frameRec.x, 40 + frameRec.y, frameRec.width, frameRec.height, RED); + + DrawText("PRESS RIGHT KEY to", 540, 310, 10, GRAY); + DrawText("CHANGE DRAWING RECTANGLE", 520, 330, 10, GRAY); + + DrawText("Guybrush Ulysses Threepwood,", 100, 300, 10, GRAY); + DrawText("main character of the Monkey Island series", 80, 320, 10, GRAY); + DrawText("of computer adventure games by LucasArts.", 80, 340, 10, GRAY); + + EndDrawing(); + //---------------------------------------------------------------------------------- + } + + // De-Initialization + //-------------------------------------------------------------------------------------- + UnloadTexture(guybrush); // Texture unloading + + CloseWindow(); // Close window and OpenGL context + //-------------------------------------------------------------------------------------- + + return 0; +}
\ No newline at end of file diff --git a/docs/examples/src/textures/textures_srcrec_dstrec.c b/docs/examples/src/textures/textures_srcrec_dstrec.c new file mode 100644 index 00000000..6d824ce6 --- /dev/null +++ b/docs/examples/src/textures/textures_srcrec_dstrec.c @@ -0,0 +1,79 @@ +/******************************************************************************************* +* +* raylib [textures] example - Texture source and destination rectangles +* +* This example has been created using raylib 1.3 (www.raylib.com) +* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details) +* +* Copyright (c) 2015 Ramon Santamaria (@raysan5) +* +********************************************************************************************/ + +#include "raylib.h" + +int main() +{ + // Initialization + //-------------------------------------------------------------------------------------- + int screenWidth = 800; + int screenHeight = 450; + + InitWindow(screenWidth, screenHeight, "raylib [textures] examples - texture source and destination rectangles"); + + // NOTE: Textures MUST be loaded after Window initialization (OpenGL context is required) + Texture2D guybrush = LoadTexture("resources/guybrush.png"); // Texture loading + + int frameWidth = guybrush.width/7; + int frameHeight = guybrush.height; + + // NOTE: Source rectangle (part of the texture to use for drawing) + Rectangle sourceRec = { 0, 0, frameWidth, frameHeight }; + + // NOTE: Destination rectangle (screen rectangle where drawing part of texture) + Rectangle destRec = { screenWidth/2, screenHeight/2, frameWidth*2, frameHeight*2 }; + + // NOTE: Origin of the texture (rotation/scale point), it's relative to destination rectangle size + Vector2 origin = { frameWidth, frameHeight }; + + int rotation = 0; + + SetTargetFPS(60); + //-------------------------------------------------------------------------------------- + + // Main game loop + while (!WindowShouldClose()) // Detect window close button or ESC key + { + // Update + //---------------------------------------------------------------------------------- + rotation++; + //---------------------------------------------------------------------------------- + + // Draw + //---------------------------------------------------------------------------------- + BeginDrawing(); + + ClearBackground(RAYWHITE); + + // NOTE: Using DrawTexturePro() we can easily rotate and scale the part of the texture we draw + // sourceRec defines the part of the texture we use for drawing + // destRec defines the rectangle where our texture part will fit (scaling it to fit) + // origin defines the point of the texture used as reference for rotation and scaling + // rotation defines the texture rotation (using origin as rotation point) + DrawTexturePro(guybrush, sourceRec, destRec, origin, rotation, WHITE); + + DrawLine(destRec.x, 0, destRec.x, screenHeight, GRAY); + DrawLine(0, destRec.y, screenWidth, destRec.y, GRAY); + + EndDrawing(); + //---------------------------------------------------------------------------------- + } + + // De-Initialization + //-------------------------------------------------------------------------------------- + UnloadTexture(guybrush); // Texture unloading + + CloseWindow(); // Close window and OpenGL context + //-------------------------------------------------------------------------------------- + + return 0; +}
\ No newline at end of file diff --git a/docs/examples/src/textures/textures_to_image.c b/docs/examples/src/textures/textures_to_image.c new file mode 100644 index 00000000..37c3b5a0 --- /dev/null +++ b/docs/examples/src/textures/textures_to_image.c @@ -0,0 +1,68 @@ +/******************************************************************************************* +* +* raylib [textures] example - Retrieve image data from texture: GetTextureData() +* +* NOTE: Images are loaded in CPU memory (RAM); textures are loaded in GPU memory (VRAM) +* +* This example has been created using raylib 1.3 (www.raylib.com) +* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details) +* +* Copyright (c) 2015 Ramon Santamaria (@raysan5) +* +********************************************************************************************/ + +#include "raylib.h" + +int main() +{ + // Initialization + //-------------------------------------------------------------------------------------- + int screenWidth = 800; + int screenHeight = 450; + + InitWindow(screenWidth, screenHeight, "raylib [textures] example - texture to image"); + + // NOTE: Textures MUST be loaded after Window initialization (OpenGL context is required) + + Image image = LoadImage("resources/raylib_logo.png"); // Load image data into CPU memory (RAM) + Texture2D texture = LoadTextureFromImage(image); // Image converted to texture, GPU memory (RAM -> VRAM) + UnloadImage(image); // Unload image data from CPU memory (RAM) + + image = GetTextureData(texture); // Retrieve image data from GPU memory (VRAM -> RAM) + UnloadTexture(texture); // Unload texture from GPU memory (VRAM) + + texture = LoadTextureFromImage(image); // Recreate texture from retrieved image data (RAM -> VRAM) + UnloadImage(image); // Unload retrieved image data from CPU memory (RAM) + //--------------------------------------------------------------------------------------- + + // Main game loop + while (!WindowShouldClose()) // Detect window close button or ESC key + { + // Update + //---------------------------------------------------------------------------------- + // TODO: Update your variables here + //---------------------------------------------------------------------------------- + + // Draw + //---------------------------------------------------------------------------------- + BeginDrawing(); + + ClearBackground(RAYWHITE); + + DrawTexture(texture, screenWidth/2 - texture.width/2, screenHeight/2 - texture.height/2, WHITE); + + DrawText("this IS a texture loaded from an image!", 300, 370, 10, GRAY); + + EndDrawing(); + //---------------------------------------------------------------------------------- + } + + // De-Initialization + //-------------------------------------------------------------------------------------- + UnloadTexture(texture); // Texture unloading + + CloseWindow(); // Close window and OpenGL context + //-------------------------------------------------------------------------------------- + + return 0; +}
\ No newline at end of file |
