Differential D12059 Diff 31942 lib/documentview/svgviewadapter.cpp

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lib/documentview/svgviewadapter.cpp

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24// Qt 24​// Qt
25#include <QCursor> 25​#include <QCursor>
26#include <QGraphicsSvgItem> 26​#include <QGraphicsSvgItem>
27#include <QGraphicsTextItem> 27​#include <QGraphicsTextItem>
28#include <QGraphicsWidget> 28​#include <QGraphicsWidget>
29#include <QPainter> 29​#include <QPainter>
30#include <QSvgRenderer> 30​#include <QSvgRenderer>
31#include <QDebug> 31​#include <QDebug>
32​#include <QtMath>
32 33​
33// KDE 34​// KDE
34 35​
35// Local 36​// Local
36#include "document/documentfactory.h" 37​#include "document/documentfactory.h"
37#include <qgraphicssceneevent.h> 38​#include <qgraphicssceneevent.h>
38#include <lib/gvdebug.h> 39​#include <lib/gvdebug.h>
39#include <lib/gwenviewconfig.h> 40​#include <lib/gwenviewconfig.h>
40 41​
41namespace Gwenview 42​namespace Gwenview
42{ 43​{
43 44​
44/// SvgImageView //// 45​/// SvgImageView ////
45SvgImageView::SvgImageView(QGraphicsItem* parent) 46​SvgImageView::SvgImageView(QGraphicsItem* parent)
46: AbstractImageView(parent) 47​: AbstractImageView(parent)
47, mSvgItem(new QGraphicsSvgItem(this)) 48​, mSvgItem(new QGraphicsSvgItem(this))
48, mAlphaBackgroundMode(AbstractImageView::AlphaBackgroundCheckBoard) 49​, mAlphaBackgroundMode(AbstractImageView::AlphaBackgroundCheckBoard)
49, mAlphaBackgroundColor(Qt::black) 50​, mAlphaBackgroundColor(Qt::black)
50, mImageFullyLoaded(false) 51​, mImageFullyLoaded(false)
51{ 52​{
53​ // At certain scales, the SVG can render outside its own bounds up to 1 pixel
54​ // This clips it so it isn't drawn outside the background or over the selection rect
55​ mSvgItem->setFlag(ItemClipsToShape);
56​
52 // So we aren't unnecessarily drawing the background for every paint() 57​ // So we aren't unnecessarily drawing the background for every paint()
53 setCacheMode(QGraphicsItem::DeviceCoordinateCache); 58​ setCacheMode(QGraphicsItem::DeviceCoordinateCache);
54} 59​}
55 60​
56void SvgImageView::loadFromDocument() 61​void SvgImageView::loadFromDocument()
57{ 62​{
58 Document::Ptr doc = document(); 63​ Document::Ptr doc = document();
59 GV_RETURN_IF_FAIL(doc); 64​ GV_RETURN_IF_FAIL(doc);
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96 101​
97void SvgImageView::onScrollPosChanged(const QPointF& /* oldPos */) 102​void SvgImageView::onScrollPosChanged(const QPointF& /* oldPos */)
98{ 103​{
99 adjustItemPos(); 104​ adjustItemPos();
100} 105​}
101 106​
102void SvgImageView::adjustItemPos() 107​void SvgImageView::adjustItemPos()
103{ 108​{
104 mSvgItem->setPos(imageOffset() - scrollPos()); 109​ mSvgItem->setPos((imageOffset() - scrollPos()).toPoint());
105 update(); 110​ update();
106} 111​}
107 112​
108void SvgImageView::setAlphaBackgroundMode(AbstractImageView::AlphaBackgroundMode mode) 113​void SvgImageView::setAlphaBackgroundMode(AbstractImageView::AlphaBackgroundMode mode)
109{ 114​{
110 mAlphaBackgroundMode = mode; 115​ mAlphaBackgroundMode = mode;
111 update(); 116​ update();
112} 117​}
113 118​
114void SvgImageView::setAlphaBackgroundColor(const QColor& color) 119​void SvgImageView::setAlphaBackgroundColor(const QColor& color)
115{ 120​{
116 mAlphaBackgroundColor = color; 121​ mAlphaBackgroundColor = color;
117 update(); 122​ update();
118} 123​}
119 124​
120void SvgImageView::drawAlphaBackground(QPainter* painter) 125​void SvgImageView::drawAlphaBackground(QPainter* painter)
121{ 126​{
122 const QRectF imageRect = QRectF(imageOffset(), visibleImageSize()); 127​ // The point and size must be rounded to integers independently, to keep consistency with RasterImageView
128​ const QRect imageRect = QRect(imageOffset().toPoint(), visibleImageSize().toSize());
123 129​
124 switch (mAlphaBackgroundMode) { 130​ switch (mAlphaBackgroundMode) {
125 case AbstractImageView::AlphaBackgroundNone: 131​ case AbstractImageView::AlphaBackgroundNone:
126 // Unlike RasterImageView, SVGs are rendered directly on the image view, 132​ // Unlike RasterImageView, SVGs are rendered directly on the image view,
127 // therefore we can simply not draw a background 133​ // therefore we can simply not draw a background
128 break; 134​ break;
129 case AbstractImageView::AlphaBackgroundCheckBoard: 135​ case AbstractImageView::AlphaBackgroundCheckBoard:
130 painter->drawTiledPixmap(imageRect, alphaBackgroundTexture(), scrollPos()); 136​ painter->drawTiledPixmap(imageRect, alphaBackgroundTexture(), scrollPos());
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