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Move annotation layer renderer to own file
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,60 @@ | ||
| /*************************************************************************** | ||
| qgsannotationlayerrenderer.cpp | ||
| ------------------ | ||
| copyright : (C) 2019 by Sandro Mani | ||
| email : smani at sourcepole dot ch | ||
| ***************************************************************************/ | ||
|
|
||
| /*************************************************************************** | ||
| * * | ||
| * This program is free software; you can redistribute it and/or modify * | ||
| * it under the terms of the GNU General Public License as published by * | ||
| * the Free Software Foundation; either version 2 of the License, or * | ||
| * (at your option) any later version. * | ||
| * * | ||
| ***************************************************************************/ | ||
|
|
||
| #include "qgsannotationlayerrenderer.h" | ||
| #include "qgsannotationlayer.h" | ||
| #include "qgsfeedback.h" | ||
|
|
||
| QgsAnnotationLayerRenderer::QgsAnnotationLayerRenderer( QgsAnnotationLayer *layer, QgsRenderContext &context ) | ||
| : QgsMapLayerRenderer( layer->id(), &context ) | ||
| , mFeedback( qgis::make_unique< QgsFeedback >() ) | ||
| { | ||
| // clone items from layer | ||
| const QMap< QString, QgsAnnotationItem * > items = layer->items(); | ||
| mItems.reserve( items.size() ); | ||
| for ( auto it = items.constBegin(); it != items.constEnd(); ++it ) | ||
| { | ||
| if ( it.value() ) | ||
| mItems << ( *it )->clone(); | ||
| } | ||
|
|
||
| // std::sort( mItems.begin(), mItems.end(), []( QgsAnnotationItem * a, QgsAnnotationItem * b ) { return a->zIndex() < b->zIndex(); } ); | ||
| } | ||
|
|
||
| QgsAnnotationLayerRenderer::~QgsAnnotationLayerRenderer() | ||
| { | ||
| qDeleteAll( mItems ); | ||
| } | ||
|
|
||
| QgsFeedback *QgsAnnotationLayerRenderer::feedback() const | ||
| { | ||
| return mFeedback.get(); | ||
| } | ||
|
|
||
| bool QgsAnnotationLayerRenderer::render() | ||
| { | ||
| QgsRenderContext &context = *renderContext(); | ||
|
|
||
| for ( QgsAnnotationItem *item : qgis::as_const( mItems ) ) | ||
| { | ||
| if ( mFeedback->isCanceled() ) | ||
| break; | ||
|
|
||
| renderContext()->setCoordinateTransform( QgsCoordinateTransform( item->crs(), context.coordinateTransform().destinationCrs(), context.transformContext() ) ); | ||
| item->render( context, mFeedback.get() ); | ||
| } | ||
| return true; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,44 @@ | ||
| /*************************************************************************** | ||
| qgsannotationlayerrenderer.h | ||
| ---------------- | ||
| copyright : (C) 2019 by Sandro Mani | ||
| email : smani at sourcepole dot ch | ||
| ***************************************************************************/ | ||
|
|
||
| /*************************************************************************** | ||
| * * | ||
| * This program is free software; you can redistribute it and/or modify * | ||
| * it under the terms of the GNU General Public License as published by * | ||
| * the Free Software Foundation; either version 2 of the License, or * | ||
| * (at your option) any later version. * | ||
| * * | ||
| ***************************************************************************/ | ||
|
|
||
| #ifndef QGSANNOTATIONLAYERRENDERER_H | ||
| #define QGSANNOTATIONLAYERRENDERER_H | ||
|
|
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| #define SIP_NO_FILE | ||
|
|
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| #include "qgis_core.h" | ||
| #include "qgis_sip.h" | ||
| #include "qgsmaplayerrenderer.h" | ||
|
|
||
| class QgsAnnotationItem; | ||
| class QgsAnnotationLayer; | ||
|
|
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| class CORE_EXPORT QgsAnnotationLayerRenderer : public QgsMapLayerRenderer | ||
| { | ||
| public: | ||
|
|
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| QgsAnnotationLayerRenderer( QgsAnnotationLayer *layer, QgsRenderContext &context ); | ||
| ~QgsAnnotationLayerRenderer() override; | ||
| QgsFeedback *feedback() const override; | ||
| bool render() override; | ||
|
|
||
| private: | ||
| QVector< QgsAnnotationItem *> mItems; | ||
| std::unique_ptr< QgsFeedback > mFeedback; | ||
|
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| }; | ||
|
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| #endif // QGSANNOTATIONLAYERRENDERER_H |