93 lines
1.7 KiB
C++
93 lines
1.7 KiB
C++
#include <SDL2/SDL.h>
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#include <SDL2/SDL_ttf.h>
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#include <SDL2/SDL_image.h>
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#include <string>
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#include <vector>
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#include <stdio.h>
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#include "json.hpp"
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#include "sdl_helpers.h"
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#include "Widgets/Widget.h"
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using std::string;
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using std::vector;
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using nlohmann::json;
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int main(int argc, char **argv)
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{
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int result = 0;
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bool ok;
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int screen_width = 800;
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int screen_height = 600;
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string output_filename = "trmnl.png";
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string cfg_filename = "config.json";
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json cfg;
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SDL_Surface* main_surface = nullptr;
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vector<Widget*> widgets;
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ok = init_sdl();
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if (!ok)
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{
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return -1;
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}
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if (argc > 1)
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{
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cfg_filename = argv[1];
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}
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// Read JSON CFG
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ok = read_config_json(cfg, cfg_filename);
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if (!ok)
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{
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result = -1;
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goto cleanup;
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}
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// Change screen size from JSON
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json_extract(cfg, "width", screen_width);
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json_extract(cfg, "height", screen_height);
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// Create surface
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main_surface = SDL_CreateRGBSurfaceWithFormat(0, screen_width, screen_height, 32, SDL_PIXELFORMAT_RGBA8888);
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if (nullptr == main_surface)
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{
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printf("Could not allocate main surface\n");
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result = -1;
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goto cleanup;
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}
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// TODO: Add Widgets From JSON
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// Clear screen with white
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SDL_FillRect(main_surface, nullptr, SDL_MapRGBA(main_surface->format, 255, 255, 255, 255));
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// Apply all widgets
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for (Widget* widget : widgets)
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{
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widget->draw();
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SDL_Rect rect = widget->get_rect();
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SDL_BlitSurface(widget->get_internal_surface(), nullptr, main_surface, &rect);
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}
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// Save image
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json_extract(cfg, "output", output_filename);
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IMG_SavePNG(main_surface, output_filename.c_str());
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cleanup:
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// Destroy All Widgets
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for (Widget* widget : widgets)
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{
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delete widget;
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}
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widgets.clear();
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clean_sdl();
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return result;
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}
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