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