111 lines
2.2 KiB
C++
111 lines
2.2 KiB
C++
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include "Eo.h"
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#include "Evas.h"
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#include "Eo.hh"
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#include "Eina.hh"
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#include "Evas.hh"
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#include "main.h"
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#define EXPEDITE_CXX_TEST_IMPL
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#include "line_blend_capi.h"
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/* standard var */
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static int done = 0;
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/* private data */
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static efl::eina::list<evas::line> lines;
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/* setup */
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static void _setup(void)
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{
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evas::canvas canvas(::eo_ref(G_evas));
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srnd();
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for (int i = 0; i < OBNUM; i++)
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{
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evas::line o(efl::eo::parent = canvas);
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lines.push_back(o);
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int a = (rnd()&0xff) / 2;
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int r = ((rnd()&0xff) * a) / 255;
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int g = ((rnd()&0xff) * a) / 255;
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int b = ((rnd()&0xff) * a) / 255;
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o.evas::object::color_set(r, g, b, a);
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o.xy_set(((win_w / 2) * (rnd()&0xff)) / 255,
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((win_h / 2) * (rnd()&0xff)) / 255,
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((win_w / 2) * (rnd()&0xff)) / 255 + (win_w / 2),
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((win_h / 2) * (rnd()&0xff)) / 255 + (win_h / 2));
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o.visibility_set(true);
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}
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done = 0;
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}
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/* cleanup */
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static void _cleanup()
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{
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for (evas::line l : lines)
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l.parent_set(efl::eo::base(nullptr));
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lines.clear();
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}
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#define PI (double) 3.141592654
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static void
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_rotate_point(Evas_Coord *ox, Evas_Coord *oy, int r)
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{
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double d;
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double x, y;
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double angle;
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x = *ox - (win_w / 2);
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y = *oy - (win_h / 2);
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d = sqrt(x * x + y * y);
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angle = atan((double) y / (double) x);
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if (x < 0) angle -= PI;
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switch (r & 0x3)
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{
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case 0: angle += 1 * PI / 180; break;
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case 1: angle += -1 * PI / 180; break;
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case 2: angle += 7 * PI / 180; break;
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case 3: angle += -1 * PI / 180; break;
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}
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*ox = d * cos(angle) + (win_w / 2);
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*oy = d * sin(angle) + (win_h / 2);
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}
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/* loop - do things */
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static void _loop(double t, int f)
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{
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Evas_Coord ox1, oy1, ox2, oy2;
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Evas_Object *o;
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int i = 0;
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for (evas::line& line : lines)
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{
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line.xy_get(&ox1, &oy1, &ox2, &oy2);
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_rotate_point(&ox1, &oy1, i);
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_rotate_point(&ox2, &oy2, i);
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line.xy_set(ox1, oy1, ox2, oy2);
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++i;
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}
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FPS_STD(NAME);
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}
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/* prepend special key handlers if interactive (before STD) */
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static void _key(char *key)
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{
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KEY_STD;
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}
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extern "C" void FNAME(void)
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{
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ui_func_set(_key, _loop);
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_setup();
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}
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