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QDeclarativeGeoMap currently does not provide any mean to set bearing
and tilt into qgeocameradata.
It has been not a problem since QGeoTiledMap and sons did not support
it.
External renderers however support it, so this patch adds QML api
calls to control these parameters, and adapt the existing logic
to take them into consideration in camera-related
calls, as well as in the afterViewportChange handlers of the Map
Items.
This patch also sligthly modifies the QML api to make the handling
of all the bounded camera property more homogeneous.
Minimum and maximum zoom levels prior plugin initialization
aren't -1 anymore, but are some valid lower and upper bounds
for this property, that is 0 and 30.
in this way all the 2 bounded properties (zoomLevel and
tilt) behave the same, in that they can be freely set before plugin
initialization, within reasonable predefined bounds, and, after that,
they may be clamped depending on the actual plugin capabilities.
Autotests for the QML part of the API included.
Change-Id: I9d09e32698a7330388e465e8ea7523ee39577d34
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Alex Blasche <alexander.blasche@qt.io>
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This patch simplifies the QGeoMap API removing all the API
necessary to convert to and from screen.
This is now demanded to a specific QGeoProjection class, that will
be independent of the map, except for using the same Geo projection
(currently only WebMercator, or EPSG:3857, although we use a sphere
instead of an ellipsoid, i believe)
The benefits are
- This relieves subclasses of QGeoMap from implementing a
GeoProjection API, especially since QtLocation currently supports
only WebMercator, and reimplementations would have to anyway
produce the same results as the inbuilt one.
- This avoids the several indirection steps previously necessary
to perform a map projection (qgeotiledmap -> private->mapscene->
private). Since these operation are quite frequent one per
map item coordinate at every redraw, shortening the indirection
chain is beneficial
- It simplifies the highly complex QGeoTiledMapScene, separating
all the logic that is not needed to draw the scene, but only
to perform geo coordinate <-> screen coordinate conversion
Change-Id: I9e3ca5280166f2d6430a32deb44c030d02d9d4e1
Reviewed-by: Alex Blasche <alexander.blasche@qt.io>
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QGeoProjection is currently a class containing only static methods for
WebMercator conversion/interpolation.
This patch renames it to QWebMercator, effectively freeing the
QGeoProjection name for a real projection class
Change-Id: I15b71d04f7d1d21a1d26f46687ed33aa277f6deb
Reviewed-by: Alex Blasche <alexander.blasche@qt.io>
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Furthermore, since the candidates for abs(), that g++ found, all took
integral parameters, they would have involved truncation. Our qAbs()
is suitably templated to cope with double naturally.
Change-Id: I373a08657ed182c7d853104879b07fb7704cc418
Reviewed-by: Paolo Angelelli <paolo.angelelli@qt.io>
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This patch reimplements the method mercatorToItemPosition using
values relevant for this type of conversion, instead of re-using
values initially computed for the tile generation.
This allows to greatly optimize the method, reducing branches and
the total number of operations, as well as making it easier to
understand.
This patch also removes the support for letterboxing the map
viewport inside the DeclarativeGeoMap, as there now is the
constraint that the map can never be smaller than the containing
element.
Change-Id: Ida98e97ad0a6b65233c80ae3c4abd3ec7664c555
Reviewed-by: Michal Klocek <michal.klocek@qt.io>
Reviewed-by: Alex Blasche <alexander.blasche@qt.io>
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Since the class QGeoMapScene is tightly coupled to QGeoTiledMap, this
patch renames it into QGeoTiledMapScene/QGeoTiledMapScenePrivate, to
clarify the structure of the module and avoid confusion, as otherwise
it would not be clear that this class is exclusively used by QGeoTiledMap.
Change-Id: Ifd76b02ff14d0f0690dc37fcb0a93b0e0702d05d
Reviewed-by: Alex Blasche <alexander.blasche@theqtcompany.com>
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