initial commit

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
+}