diff options
Diffstat (limited to 'src/cdraw.c')
| -rw-r--r-- | src/cdraw.c | 194 |
1 files changed, 194 insertions, 0 deletions
diff --git a/src/cdraw.c b/src/cdraw.c new file mode 100644 index 0000000..5f3a1b5 --- /dev/null +++ b/src/cdraw.c @@ -0,0 +1,194 @@ +#include <stdio.h> +#include <SDL2/SDL.h> +#include <SDL2/SDL_image.h> + +#include "cdraw.h" +#include "types.h" +#include "canvas.h" +#include "debug.h" +#include "palette.h" +#include "ui.h" + +/* macros */ +#define LENGTH(X) (sizeof X / sizeof X[0]) + +typedef struct { + SDL_Keymod mod; + SDL_Keycode sym; + void (*func)(const Arg *); + const Arg arg; +} Key; + +#include "config.h" + +SDL_Window *win; +void *ren; +void *def_palette; +struct Canvas* cur_canvas; + +/* TODO: window resize change mouseX and mouse Y */ +int mouseX, mouseY; + +void keypress(SDL_Keysym *); + +void +keypress(SDL_Keysym *k) +{ + static Key *p, *end; + /* printf("Key pressed: %d %d %d\n", k->sym, k->mod, KMOD_SHIFT); */ + for (p = keys, end = &p[LENGTH(keys)]; p != end; ++p) { + if (k->sym == p->sym + && k->mod == p->mod) + p->func(&(p->arg)); + } +} + +uint +main_quit() +{ + /* TODO: checks */ + canvas_destroy(cur_canvas); + ui_destroy(); + SDL_DestroyWindow(win); + IMG_Quit(); + SDL_Quit(); + return 1; +} + +uint +main_window_init(const char *s) +{ + int ss; + if (SDL_Init(SDL_INIT_VIDEO) < 0) { + printf("SDL_Init failed: %s\n", SDL_GetError()); + return 1; + } + + if (IMG_Init(IMG_INIT_PNG) == 0) + return 1; + + win = SDL_CreateWindow("cdraw", + SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, + 512, 256, + SDL_WINDOW_RESIZABLE); + if (win == NULL) { + printf("SDL_CreateWindow failed: %s\n", SDL_GetError()); + return 1; + } + + ren = SDL_CreateRenderer(win, -1, 0); + if (ren == NULL) { + printf("SDL_CreateRenderer failed: %s\n", SDL_GetError()); + return 1; + } + + SDL_SetRenderDrawColor(ren, 18, 18, 18, 255); + SDL_SetRenderDrawBlendMode(ren, SDL_BLENDMODE_BLEND); + SDL_RenderPresent(ren); + + def_palette = palette_open_gpl(def_palette_path); + if (def_palette == NULL) + return 1; + + ui_create("assets/ui.png"); + if (s == NULL) + cur_canvas = canvas_init(64, 64, ren); + else { + ss = strlen(s); + if (ss > 4 && strcmp(&s[ss-4], ".cdr") == 0) + cur_canvas = canvas_open(s, ren); + else + cur_canvas = canvas_import_png(s, ren); + } + + ui_redraw_panel(UI_PANELTYPE_CANVAS); + if (cur_canvas == NULL) + return 1; + + return 0; +} + +uint +main_event_handle() +{ + static uint8 q, r; + static SDL_Event event; + q = r = 0; + while (SDL_PollEvent(&event)) { + switch (event.type) { + case SDL_QUIT: + q = 1; + break; + case SDL_WINDOWEVENT: + switch (event.window.event) { + case SDL_WINDOWEVENT_RESIZED: + r = 1; + /* FALLTROUGH */ + case SDL_WINDOWEVENT_MOVED: + break; + } + break; + case SDL_MOUSEBUTTONDOWN: + switch (event.button.button) { + case SDL_BUTTON_LEFT: + ui_mousel_down(event.button.x, event.button.y); + break; + case SDL_BUTTON_RIGHT: + break; + } + break; + case SDL_MOUSEBUTTONUP: + switch (event.button.button) { + case SDL_BUTTON_LEFT: + ui_mousel_up(event.button.x, event.button.y); + is_drawing = 0; + break; + } + break; + case SDL_MOUSEMOTION: + mouseX = event.motion.x; + mouseY = event.motion.y; + ui_mouse_move(mouseX, mouseY); + break; + case SDL_KEYDOWN: + keypress(&event.key.keysym); + break; + } + } + + if (r) + ui_resize(); + + SDL_SetRenderDrawColor(ren, INTTOCOL(back_c), 255); + SDL_RenderClear(ren); + ui_present(); + SDL_RenderPresent(ren); + + if (q) + return main_quit(); + return 0; +} + +int +main(int argc, char *argv[]) +{ + Uint32 ltick, fdif; + + if (main_window_init(argc > 1 ? argv[1] : NULL)) + return 1; + + fdif = 1000 / fps; + while (1) { + ltick = SDL_GetTicks(); + if (main_event_handle()) + break; + ltick = SDL_GetTicks() - ltick; + + if (ltick < fdif) + SDL_Delay(fdif-ltick); + } + +#ifdef F_MEMORY_DEBUG + f_debug_mem_show(); +#endif +} |