mirror of
https://github.com/tumic0/QtPBFImagePlugin.git
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3.0
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@ -26,7 +26,7 @@ build_script:
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nmake release
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artifacts:
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- path: release\pbf2.dll
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- path: release\pbf3.dll
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cache:
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- C:\tools\vcpkg\installed\
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54
.github/workflows/android.yml
vendored
Normal file
54
.github/workflows/android.yml
vendored
Normal file
@ -0,0 +1,54 @@
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name: Android
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on:
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push:
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branches:
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- master
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jobs:
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build:
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name: QtPBFImagePlugin
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runs-on: ubuntu-20.04
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steps:
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- name: Checkout
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uses: actions/checkout@v3
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- name: Install protobuf compiler
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run: |
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sudo apt-get update
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sudo apt-get install protobuf-compiler
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- name: set up JDK 11
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uses: actions/setup-java@v3
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with:
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distribution: 'zulu'
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java-version: '11'
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- name: Setup Android SDK
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uses: android-actions/setup-android@v2
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- name: Run sdkmanager update
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run: ${ANDROID_HOME}/tools/bin/sdkmanager --update
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- name: Install android platform, platform-tools, build-tools and ndk
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run: ${ANDROID_HOME}/tools/bin/sdkmanager --install "cmdline-tools;latest" "platform-tools" "platforms;android-33" "build-tools;33.0.0" "ndk;23.1.7779620"
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- name: Setup NDK path
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run: echo "ANDROID_NDK_ROOT=${ANDROID_HOME}/ndk/23.1.7779620/" >> $GITHUB_ENV
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- name: Install Qt (Desktop)
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uses: jurplel/install-qt-action@v3
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with:
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aqtversion: '==3.1.*'
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version: '6.4.0'
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- name: Install Qt (Android)
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uses: jurplel/install-qt-action@v3
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with:
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aqtversion: '==3.1.*'
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version: '6.4.0'
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target: 'android'
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arch: 'android_arm64_v8a'
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- name: Install Android Google Protocol Buffers
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run: git clone https://github.com/tumic0/android_protobuf.git
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- name: Configure build
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run: qmake pbfplugin.pro PROTOBUF=android_protobuf
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- name: Build project
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run: make -j2
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- name: Upload artifacts
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uses: actions/upload-artifact@v3
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with:
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name: libplugins_imageformats_libpbf_arm64-v8a.so
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path: plugins/libpbf/libplugins_imageformats_libpbf_arm64-v8a.so
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14
README.md
14
README.md
@ -18,19 +18,19 @@ to fit the styles and available data (OpenMapTiles, Mapbox tiles).
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Due to a major design flaw in the Mapbox vector tiles specification - the zoom
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is not part of the PBF data - the plugin can not be used "as is", but passing
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the zoom level is necessary. This is done by exploiting the optional *format*
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parameter of the QImage constructor or the QImage::fromData() or
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QPixmap::loadFromData() functions. The zoom number is passed as ASCII string
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parameter of the QImage constructor or the *QImage::loadFromData()* or
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*QPixmap::loadFromData()* functions. The zoom number is passed as ASCII string
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to the functions:
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```cpp
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QPixmap pm;
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pm.loadFromData(data, QByteArray::number(zoom));
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QImage img;
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img.loadFromData(data, QByteArray::number(zoom));
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```
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For a complete code sample see the [pbf2png](https://github.com/tumic0/pbf2png)
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conversion utility.
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### HiDPI
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The plugin supports vector scaling using QImageReader's setScaledSize() method,
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The plugin supports vector scaling using QImageReader's *setScaledSize()* method,
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so when used like in the following example:
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```cpp
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QImage img;
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@ -44,9 +44,9 @@ you will get 1024x1024px tiles with a pixel ratio of 2 (= HiDPI tiles).
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Since version 3 of the plugin tile overzoom is supported. If you set *format*
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to `$zoom;$overzoom`:
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```cpp
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QPixmap pm;
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QImage img;
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QByteArray fmt(QByteArray::number(zoom) + ';' + QByteArray::number(overzoom));
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pm.loadFromData(data, fmt);
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img.loadFromData(data, fmt);
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```
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you will get (512<<overzoom)x(512<<overzoom)px tiles with a pixel ratio of 1.
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When overzoom is combined with setScaledSize(), the base size is the overzoomed
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@ -39,9 +39,12 @@ RESOURCES += pbfplugin.qrc
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DEFINES += QT_NO_DEPRECATED_WARNINGS
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unix:!macx{
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unix:!macx:!android {
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LIBS += -lprotobuf-lite \
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-lz
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target.path += $$[QT_INSTALL_PLUGINS]/imageformats
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INSTALLS += target
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}
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win32 {
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INCLUDEPATH += $$PROTOBUF/include \
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@ -58,6 +61,12 @@ macx {
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LIBS += $$PROTOBUF/lib/libprotobuf-lite.a \
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-lz
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}
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android {
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INCLUDEPATH += $$PROTOBUF/include
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LIBS += $$PROTOBUF/$$ANDROID_TARGET_ARCH/libprotobuf-lite.a \
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-lz
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target.path += $$[QT_INSTALL_PLUGINS]/imageformats
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INSTALLS += target
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top_builddir=$$shadowed($$PWD)
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DESTDIR = $$top_builddir/plugins/libpbf
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TARGET = $$qt5LibraryTarget(libpbf, "plugins/imageformats/")
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}
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