mirror of
https://invent.kde.org/graphics/okular
synced 2024-11-05 18:34:53 +00:00
af6e9a9b0b
Qt5 changed the default QPen to not be cosmetic, so we need to specify we want it to be cosmetic BUGS: 375719
83 lines
3.8 KiB
C++
83 lines
3.8 KiB
C++
/***************************************************************************
|
|
* Copyright (C) 2005 by Enrico Ros <eros.kde@email.it> *
|
|
* *
|
|
* 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 _OKULAR_PAGEPAINTER_H_
|
|
#define _OKULAR_PAGEPAINTER_H_
|
|
|
|
#include <QtGui/QBrush>
|
|
#include <QtGui/QImage>
|
|
#include <QtGui/QPen>
|
|
|
|
#include "core/area.h" // for NormalizedPoint
|
|
|
|
class QPainter;
|
|
class QRect;
|
|
namespace Okular {
|
|
class DocumentObserver;
|
|
class Page;
|
|
}
|
|
|
|
/**
|
|
* @short Paints a Okular::Page to an open painter using given flags.
|
|
*/
|
|
class Q_DECL_EXPORT PagePainter
|
|
{
|
|
public:
|
|
// list of flags passed to the painting function. by OR-ing those flags
|
|
// you can decide whether or not to permit drawing of a certain feature.
|
|
enum PagePainterFlags { Accessibility = 1, EnhanceLinks = 2,
|
|
EnhanceImages = 4, Highlights = 8,
|
|
TextSelection = 16, Annotations = 32 };
|
|
|
|
// draw (using painter 'p') the 'page' requested by 'observer' using features
|
|
// in 'flags'. 'limits' is the bounding rect of the paint operation,
|
|
// 'scaledWidth' and 'scaledHeight' the expected size of page contents
|
|
static void paintPageOnPainter( QPainter * p, const Okular::Page * page, Okular::DocumentObserver *observer,
|
|
int flags, int scaledWidth, int scaledHeight, const QRect & pageLimits );
|
|
|
|
// draw (using painter 'p') the 'page' requested by 'observer' using features
|
|
// in 'flags'.
|
|
// 'pageLimits' is the bounding rect of the paint operation relative to the
|
|
// top left of the (cropped) page.
|
|
// 'scaledWidth' and 'scaledHeight' the size of the page pixmap (before cropping).
|
|
// 'crop' is the (normalized) cropped rectangle within the page.
|
|
// The painter's (0,0) is assumed to be top left of the painted ('pageLimits') rect.
|
|
static void paintCroppedPageOnPainter( QPainter * p, const Okular::Page * page, Okular::DocumentObserver *observer,
|
|
int flags, int scaledWidth, int scaledHeight, const QRect & pageLimits,
|
|
const Okular::NormalizedRect & crop, Okular::NormalizedPoint *viewPortPoint );
|
|
|
|
private:
|
|
static void cropPixmapOnImage( QImage & dest, const QPixmap * src, const QRect & r );
|
|
static void recolor(QImage *image, const QColor &foreground, const QColor &background);
|
|
|
|
// create an image taking the 'cropRect' portion of an image scaled
|
|
// to 'scaledWidth' by 'scaledHeight' pixels. cropRect must be inside
|
|
// the QRect(0,0, scaledWidth,scaledHeight)
|
|
static void scalePixmapOnImage( QImage & dest, const QPixmap *src,
|
|
int scaledWidth, int scaledHeight, const QRect & cropRect, QImage::Format format = QImage::Format_ARGB32_Premultiplied );
|
|
|
|
// set the alpha component of the image to a given value
|
|
static void changeImageAlpha( QImage & image, unsigned int alpha );
|
|
|
|
// my pretty dear raster function
|
|
typedef QList< Okular::NormalizedPoint > NormalizedPath;
|
|
enum RasterOperation { Normal, Multiply };
|
|
static void drawShapeOnImage(
|
|
QImage & image,
|
|
const NormalizedPath & imagePoints,
|
|
bool closeShape,
|
|
const QPen & pen,
|
|
const QBrush & brush = QBrush(),
|
|
double penWidthMultiplier = 1.0,
|
|
RasterOperation op = Normal
|
|
//float antiAliasRadius = 1.0
|
|
);
|
|
};
|
|
|
|
#endif
|