From d7a54361f5baee94016af242a2f2969cec3ea977 Mon Sep 17 00:00:00 2001 From: Fabien Freling Date: Sun, 13 Feb 2022 22:07:26 +0100 Subject: [PATCH] load image in gui --- justfile | 2 +- src/main_gui.cpp | 262 ++++++++++++++--------------------------------- 2 files changed, 79 insertions(+), 185 deletions(-) diff --git a/justfile b/justfile index 1845430..f02f8a0 100644 --- a/justfile +++ b/justfile @@ -20,7 +20,7 @@ run-cli: build-cli {{exe_cli}} lenna.png 0 0 0 0 run-gui: build-gui - nixGL {{exe_gui}} + nixGL {{exe_gui}} lenna.png generate-build: git clean -xf src/ diff --git a/src/main_gui.cpp b/src/main_gui.cpp index 2097604..f9e05f1 100644 --- a/src/main_gui.cpp +++ b/src/main_gui.cpp @@ -1,198 +1,92 @@ -/******************************************************************************************* - * - * 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 3.5 (www.raylib.com) - * raylib is licensed under an unmodified zlib/libpng license (View raylib.h - *for details) - * - * Copyright (c) 2016 Ramon Santamaria (@raysan5) - * - ********************************************************************************************/ +#include +#include +#include +#include -#include "raylib.h" +namespace raylib { +#include +} -#include // Required for: free() +#include "bounding_box.h" -#define NUM_PROCESSES 8 +namespace fs = std::filesystem; -typedef enum { - NONE = 0, - COLOR_GRAYSCALE, - COLOR_TINT, - COLOR_INVERT, - COLOR_CONTRAST, - COLOR_BRIGHTNESS, - FLIP_VERTICAL, - FLIP_HORIZONTAL -} ImageProcess; +struct Button { + raylib::Rectangle rect; + std::string text; + bool hover = false; -static const char* processText[] = { - "NO PROCESSING", "COLOR GRAYSCALE", "COLOR TINT", "COLOR INVERT", - "COLOR CONTRAST", "COLOR BRIGHTNESS", "FLIP VERTICAL", "FLIP HORIZONTAL"}; + bool pressed() { + hover = + raylib::CheckCollisionPointRec(raylib::GetMousePosition(), rect); + return hover and + raylib::IsMouseButtonReleased(raylib::MOUSE_BUTTON_LEFT); + }; -int main(void) { - // Initialization - //-------------------------------------------------------------------------------------- - const int screenWidth = 800; - const int screenHeight = 450; + void draw() const { + raylib::DrawRectangleRec(rect, raylib::LIGHTGRAY); + raylib::DrawRectangleLines(rect.x, rect.y, rect.width, rect.height, + raylib::BLUE); + raylib::DrawText(text.c_str(), + (rect.x + rect.width / 2 - + raylib::MeasureText(text.c_str(), 10) / 2), + rect.y + 11, 10, raylib::DARKBLUE); + }; +}; - InitWindow(screenWidth, screenHeight, - "raylib [textures] example - image processing"); +void draw(const BoundingBox& box) {} - // NOTE: Textures MUST be loaded after Window initialization (OpenGL context - // is required) - - Image imOrigin = - LoadImage("resources/parrots.png"); // Loaded in CPU memory (RAM) - ImageFormat( - &imOrigin, - PIXELFORMAT_UNCOMPRESSED_R8G8B8A8); // Format image to RGBA 32bit - // (required for texture update) - // <-- ISSUE - Texture2D texture = LoadTextureFromImage( - imOrigin); // Image converted to texture, GPU memory (VRAM) - - Image imCopy = ImageCopy(imOrigin); - - int currentProcess = NONE; - bool textureReload = false; - - Rectangle toggleRecs[NUM_PROCESSES] = {{0}}; - int mouseHoverRec = -1; - - for (int i = 0; i < NUM_PROCESSES; i++) - toggleRecs[i] = (Rectangle){40.0f, (float)(50 + 32 * i), 150.0f, 30.0f}; - - SetTargetFPS(60); - //--------------------------------------------------------------------------------------- - - // Main game loop - while (!WindowShouldClose()) // Detect window close button or ESC key - { - // Update - //---------------------------------------------------------------------------------- - - // Mouse toggle group logic - for (int i = 0; i < NUM_PROCESSES; i++) { - if (CheckCollisionPointRec(GetMousePosition(), toggleRecs[i])) { - mouseHoverRec = i; - - if (IsMouseButtonReleased(MOUSE_BUTTON_LEFT)) { - currentProcess = i; - textureReload = true; - } - break; - } else - mouseHoverRec = -1; - } - - // Keyboard toggle group logic - if (IsKeyPressed(KEY_DOWN)) { - currentProcess++; - if (currentProcess > (NUM_PROCESSES - 1)) - currentProcess = 0; - textureReload = true; - } else if (IsKeyPressed(KEY_UP)) { - currentProcess--; - if (currentProcess < 0) - currentProcess = 7; - textureReload = true; - } - - // Reload texture when required - if (textureReload) { - UnloadImage(imCopy); // Unload image-copy data - imCopy = - ImageCopy(imOrigin); // Restore image-copy from image-origin - - // 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(&imCopy); - break; - case COLOR_TINT: - ImageColorTint(&imCopy, GREEN); - break; - case COLOR_INVERT: - ImageColorInvert(&imCopy); - break; - case COLOR_CONTRAST: - ImageColorContrast(&imCopy, -40); - break; - case COLOR_BRIGHTNESS: - ImageColorBrightness(&imCopy, -80); - break; - case FLIP_VERTICAL: - ImageFlipVertical(&imCopy); - break; - case FLIP_HORIZONTAL: - ImageFlipHorizontal(&imCopy); - break; - default: - break; - } - - Color* pixels = LoadImageColors( - imCopy); // Load pixel data from image (RGBA 32bit) - UpdateTexture(texture, - pixels); // Update texture with new image data - UnloadImageColors(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++) { - DrawRectangleRec(toggleRecs[i], - ((i == currentProcess) || (i == mouseHoverRec)) - ? SKYBLUE - : LIGHTGRAY); - DrawRectangleLines( - (int)toggleRecs[i].x, (int)toggleRecs[i].y, - (int)toggleRecs[i].width, (int)toggleRecs[i].height, - ((i == currentProcess) || (i == mouseHoverRec)) ? BLUE : GRAY); - DrawText(processText[i], - (int)(toggleRecs[i].x + toggleRecs[i].width / 2 - - MeasureText(processText[i], 10) / 2), - (int)toggleRecs[i].y + 11, 10, - ((i == currentProcess) || (i == mouseHoverRec)) - ? DARKBLUE - : 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(); - //---------------------------------------------------------------------------------- +int main(int argc, const char* argv[]) { + if (argc < 2) { + std::cerr << "Usage: " << argv[0] << " path/to/image\n"; + return 1; } - // De-Initialization - //-------------------------------------------------------------------------------------- - UnloadTexture(texture); // Unload texture from VRAM - UnloadImage(imOrigin); // Unload image-origin from RAM - UnloadImage(imCopy); // Unload image-copy from RAM + const fs::path input(argv[1]); + if (!fs::exists(input)) { + std::cerr << "Input file " << input << " does not exist.\n"; + return 1; + } + raylib::Vector2 win_size = {800, 450}; + const int padding = 5; + raylib::Vector2 in_offset = {padding, 40}; - CloseWindow(); // Close window and OpenGL context - //-------------------------------------------------------------------------------------- + raylib::InitWindow(win_size.x, win_size.y, "netatmo - rect packing"); + raylib::SetTargetFPS(60); + + raylib::Image imOrigin = raylib::LoadImage(input.c_str()); + raylib::ImageFormat(&imOrigin, raylib::PIXELFORMAT_UNCOMPRESSED_R8G8B8A8); + raylib::Texture2D texture = raylib::LoadTextureFromImage(imOrigin); + + win_size.x = std::max(win_size.x, in_offset.x + texture.width + padding); + win_size.y = std::max(win_size.y, in_offset.y + texture.height + padding); + + raylib::SetWindowSize(win_size.x, win_size.y); + + Button b_add_box = {{padding, padding, 150, 30}, "Add box"}; + std::vector bboxes; + + while (!raylib::WindowShouldClose()) { + if (b_add_box.pressed()) { + bboxes.push_back(BoundingBox({0, 0, 20, 20})); + } + + raylib::BeginDrawing(); + raylib::ClearBackground(raylib::RAYWHITE); + + b_add_box.draw(); + + raylib::DrawTexture(texture, in_offset.x, in_offset.y, raylib::WHITE); + raylib::DrawRectangleLines(in_offset.x, in_offset.y, texture.width, + texture.height, raylib::BLACK); + + raylib::EndDrawing(); + } + + // Cleanup + raylib::UnloadTexture(texture); + raylib::UnloadImage(imOrigin); + raylib::CloseWindow(); return 0; }