eina_tiler_01.c

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eina_tiler_01.c
//Compile with:
//gcc eina_tiler_01.c -o eina_tiler_01 `pkg-config --cflags --libs ecore-evas ecore evas eina`
#include <Ecore_Evas.h>
#include <Ecore.h>
#include <Evas.h>
#include <Eina.h>
#define WINDOW_PAD (20)
static Eina_Tiler *tiler;
static Eina_Rectangle *input_rects;
static unsigned int input_count;
static unsigned int input_idx = 0, input_color_idx = 0, output_color_idx = 0;
static Eina_List *output_objs = NULL;
static Evas_Coord maxw, maxh, winw, winh;
static Evas *evas;
static const struct color {
unsigned char r, g, b;
} colors[] = {
{255, 0, 0},
{0, 255, 0},
{0, 0, 255},
{255, 128, 0},
{0, 255, 128},
{128, 0, 255},
{255, 255, 0},
{0, 255, 255},
{255, 0, 255},
{255, 0, 128},
{128, 255, 0},
{0, 128, 255},
{128, 128, 0},
{0, 128, 128},
{128, 0, 128},
{128, 0, 0},
{0, 128, 0},
{0, 0, 128},
{255, 128, 0},
{0, 255, 128},
{128, 0, 255},
{64, 64, 0},
{0, 64, 64},
{64, 0, 64},
{128, 128, 0},
{0, 128, 128},
{128, 0, 128},
{255, 0, 128},
{128, 255, 0},
{0, 128, 255},
{128, 64, 0},
{0, 128, 64},
{64, 0, 128},
{128, 0, 64},
{64, 128, 0},
{0, 64, 128}
};
#define MAX_COLORS (sizeof(colors) / sizeof(colors[0]))
static void
add_text(const char *text, int x, int y, int w)
{
Evas_Object *o = evas_object_text_add(evas);
evas_object_color_set(o, 0, 0, 0, 255);
evas_object_move(o, x, y);
evas_object_resize(o, w, WINDOW_PAD);
evas_object_text_font_set(o, "Sans", 10);
evas_object_text_text_set(o, text);
evas_object_show(o);
}
static void
output_rects_reset(void)
{
Evas_Object *o;
EINA_LIST_FREE(output_objs, o)
evas_object_del(o);
output_color_idx = 0;
}
static void
add_input_rect(const Eina_Rectangle *r)
{
Evas_Object *o;
Evas_Coord bx, by;
bx = WINDOW_PAD;
by = WINDOW_PAD;
o = evas_object_rectangle_add(evas);
#define C(comp) (((int)colors[input_color_idx].comp * 128) / 255)
evas_object_color_set(o, C(r), C(g), C(b), 128);
#undef C
evas_object_move(o, r->x + bx, r->y + by);
evas_object_resize(o, r->w, r->h);
evas_object_show(o);
input_color_idx = (input_color_idx + 1) % MAX_COLORS;
bx += maxw + WINDOW_PAD;
o = evas_object_rectangle_add(evas);
evas_object_color_set(o, 32, 32, 32, 128);
evas_object_move(o, r->x + bx, r->y + by);
evas_object_resize(o, r->w, 1);
evas_object_layer_set(o, EVAS_LAYER_MAX);
evas_object_show(o);
o = evas_object_rectangle_add(evas);
evas_object_color_set(o, 32, 32, 32, 128);
evas_object_move(o, r->x + bx, r->y + by);
evas_object_resize(o, 1, r->h);
evas_object_layer_set(o, EVAS_LAYER_MAX);
evas_object_show(o);
o = evas_object_rectangle_add(evas);
evas_object_color_set(o, 32, 32, 32, 128);
evas_object_move(o, r->x + bx, r->y + by + r->h);
evas_object_resize(o, r->w, 1);
evas_object_layer_set(o, EVAS_LAYER_MAX);
evas_object_show(o);
o = evas_object_rectangle_add(evas);
evas_object_color_set(o, 32, 32, 32, 128);
evas_object_move(o, r->x + bx + r->w, r->y + by);
evas_object_resize(o, 1, r->h);
evas_object_layer_set(o, EVAS_LAYER_MAX);
evas_object_show(o);
}
static void
add_output_rect(const Eina_Rectangle *r)
{
Evas_Object *o = evas_object_rectangle_add(evas);
#define C(comp) (((int)colors[output_color_idx].comp * 128) / 255)
evas_object_color_set(o, C(r), C(g), C(b), 128);
#undef C
evas_object_move(o, r->x + maxw + 2 * WINDOW_PAD, r->y + WINDOW_PAD);
evas_object_resize(o, r->w, r->h);
evas_object_show(o);
output_color_idx = (output_color_idx + 1) % MAX_COLORS;
output_objs = eina_list_append(output_objs, o);
}
static Eina_Bool
process_input(void *data EINA_UNUSED)
{
Eina_Iterator *itr;
Eina_Rectangle r, *r1;
unsigned int out = 0;
if (input_idx == input_count)
{
add_text("Done. Close the window to exit",
WINDOW_PAD, winh - WINDOW_PAD, winw - 2 * WINDOW_PAD);
return EINA_FALSE;
}
output_rects_reset();
r = input_rects[input_idx];
printf("Iteration #%u: %dx%d%+d%+d\n", input_idx, r.w, r.h, r.x, r.y);
input_idx++;
add_input_rect(&r);
eina_tiler_rect_add(tiler, &r);
itr = eina_tiler_iterator_new(tiler);
EINA_ITERATOR_FOREACH(itr, r1)
{
printf("\tOutput #%u: %dx%d%+d%+d\n", out, r1->w, r1->h, r1->x, r1->y);
add_output_rect(r1);
out++;
}
eina_iterator_free(itr);
return EINA_TRUE;
}
static void
usage(const char *progname)
{
fprintf(stderr,
"Usage:\n\n"
"\t%s <rect1> ... <rectN>\n\n"
"with rectangles being in the format:\n"
"\tWIDTHxHEIGHT<+->X<+->Y\n"
"examples:\n"
"\t100x100+10+10 - width=100, height=100 at x=10, y=10\n"
"\t150x50+5+6 - width=150, height=50 at x=5, y=6\n",
progname);
}
int
main(int argc, char *argv[])
{
Ecore_Evas *ee;
Evas_Object *o;
int i;
if (argc < 2)
{
usage(argv[0]);
return -2;
}
input_rects = calloc(argc - 1, sizeof(Eina_Rectangle));
input_count = 0;
maxw = 0;
maxh = 0;
for (i = 1; i < argc; i++)
{
Eina_Rectangle *r = input_rects + input_count;
char sx, sy;
if (sscanf(argv[i], "%dx%d%c%d%c%d",
&(r->w), &(r->h), &sx, &(r->x), &sy, &(r->y)) == 6)
{
if (sx == '-') r->x *= -1;
if (sy == '-') r->y *= -1;
if (maxw < r->x + r->w) maxw = r->x + r->w;
if (maxh < r->y + r->h) maxh = r->y + r->h;
input_count++;
}
else
fprintf(stderr, "ERROR: invalid rectangle ignored: %s\n", argv[i]);
}
if (input_count == 0)
{
fputs("ERROR: Could not find any valid rectangle. Exit!\n", stderr);
usage(argv[0]);
free(input_rects);
return -3;
}
if ((maxw == 0) || (maxh == 0))
{
fputs("ERROR: All rectangles with size 0x0. Exit!\n", stderr);
usage(argv[0]);
free(input_rects);
return -3;
}
ecore_evas_init();
ecore_init();
evas_init();
eina_init();
winw = 2 * maxw + 3 * WINDOW_PAD;
winh = maxh + 2 * WINDOW_PAD;
ee = ecore_evas_new(NULL, 0, 0, winw, winh, NULL);
if (!ee)
{
fputs("ERROR: Could not create window. Check ecore-evas install.\n",
stderr);
goto end;
}
evas = ecore_evas_get(ee);
o = evas_object_rectangle_add(evas);
evas_object_color_set(o, 255, 255, 255, 255);
evas_object_resize(o, winw, winh);
evas_object_show(o);
add_text("Input", WINDOW_PAD, 0, maxw);
o = evas_object_rectangle_add(evas);
evas_object_color_set(o, 200, 200, 200, 255);
evas_object_move(o, WINDOW_PAD, WINDOW_PAD);
evas_object_resize(o, maxw, maxh);
evas_object_show(o);
add_text("Output", maxw + 2 * WINDOW_PAD, 0, maxw);
o = evas_object_rectangle_add(evas);
evas_object_color_set(o, 200, 200, 200, 255);
evas_object_move(o, maxw + 2 * WINDOW_PAD, WINDOW_PAD);
evas_object_resize(o, maxw, maxh);
evas_object_show(o);
tiler = eina_tiler_new(maxw, maxh);
ecore_timer_add(2.0, process_input, NULL);
ecore_evas_show(ee);
ecore_main_loop_begin();
eina_list_free(output_objs);
eina_tiler_free(tiler);
ecore_evas_free(ee);
end:
free(input_rects);
eina_shutdown();
evas_shutdown();
ecore_shutdown();
ecore_evas_shutdown();
return 0;
}