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Merge branch 'master' of https://github.com/tumic0/QtPBFImagePlugin

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Martin Tůma 2019-10-06 13:27:10 +02:00
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@ -16,7 +16,8 @@ placed in the same directory as the style itself. A default fallback style
(OSM-Liberty) for OpenMapTiles is part of the plugin.
"Plain" PBF files as well as gzip compressed files (as used in MBTiles) are
supported by the plugin.
supported by the plugin. The tile size is (since version 2.0 of the plugin) 512px
to fit the styles and available data (OpenMapTiles, Mapbox tiles).
## Usage
Due to a major design flaw in the Mapbox vector tiles specification - the zoom
@ -33,10 +34,10 @@ The plugin supports vector scaling using QImageReader's setScaledSize() method,
so when used like in the following example:
```cpp
QImageReader reader(file, QString::number(zoom).toLatin1());
reader.setScaledSize(QSize(512, 512));
reader.setScaledSize(QSize(1024, 1024));
reader.read(&image);
```
you will get 512x512px tiles with a pixel ratio of 2 (= HiDPI tiles).
you will get 1024x1024px tiles with a pixel ratio of 2 (= HiDPI tiles).
## Build
### Requirements
@ -73,6 +74,9 @@ style are ignored.
* Text PBF features must have a unique id (OpenMapTiles >= v3.7) for the text layout
algorithm to work properly.
## Changelog
[Changelog](https://build.opensuse.org/package/view_file/home:tumic:QtPBFImagePlugin/QtPBFImagePlugin/libqt5-qtpbfimageformat.changes)
## Status
A picture is worth a thousand words. Data and styles from https://openmaptiles.org.
#### OSM-liberty