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#include "testing/testing.hpp"
#include "map/navigator.hpp"
#include "geometry/screenbase.hpp"
#include "std/cmath.hpp"
#include "std/bind.hpp"
// -3 -2 -1 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
//
// 7 +-----------------------------------------------+
// | |
// 6 | |
// | |
// 5 | |
// | |
// 4 | +-----------------------+ |
// | | | |
// 3 | | | |
// | | | |
// 2 | | | |
// | | | |
// 1 | | a B<-------b | |
// | | | |
// 0 | +-----------------------+ |
// | |
//-1 +-----------------------------------------------+
UNIT_TEST(Navigator_Scale2Points)
{
ScalesProcessor scales;
Navigator navigator(scales);
navigator.OnSize(0, 0, 200, 100);
navigator.SetFromRect(m2::AnyRectD(m2::RectD(0, 0, 8, 4)));
ScreenBase const & screen = navigator.Screen();
TEST_EQUAL(screen.ClipRect(), m2::RectD(0, 0, 8, 4), ());
navigator.StartScale(screen.GtoP(m2::PointD(1, 1)),
screen.GtoP(m2::PointD(7, 1)), 0);
navigator.StopScale(screen.GtoP(m2::PointD(1, 1)),
screen.GtoP(m2::PointD(4, 1)), 1);
TEST_EQUAL(screen.ClipRect(), m2::RectD(-1, -1, 15, 7), ());
}
namespace
{
void CheckNavigator(Navigator const & nav)
{
typedef m2::PointD P;
m2::RectD clipR = nav.Screen().ClipRect();
P arr[] = { clipR.LeftTop(), clipR.RightTop(),
clipR.RightBottom(), clipR.LeftBottom(),
clipR.Center() };
for (size_t i = 0; i < ARRAY_SIZE(arr); ++i)
{
P const & pxP = arr[i];
P const gP = nav.PtoG(pxP);
P const pxP2 = nav.GtoP(gP);
TEST(m2::AlmostEqualULPs(pxP, pxP2), (pxP, pxP2));
}
}
}
UNIT_TEST(Navigator_G2P_P2G)
{
ScalesProcessor scales;
Navigator navigator(scales);
// Initialize.
navigator.OnSize(0, 0, 200, 100);
navigator.SetFromRect(m2::AnyRectD(m2::RectD(0, 0, 8, 4)));
TEST_EQUAL(navigator.Screen().ClipRect(), m2::RectD(0, 0, 8, 4), ());
CheckNavigator(navigator);
navigator.Scale(3.0);
CheckNavigator(navigator);
navigator.Move(math::pi / 4.0, 3.0);
CheckNavigator(navigator);
navigator.Scale(1/3.0);
CheckNavigator(navigator);
}
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