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/*
* Copyright (c) 1999 Matthias Elter <me@kde.org>
* Copyright (c) 2002 Patrick Julien <freak@codepimps.org>
* Copyright (c) 2004 Boudewijn Rempt <boud@valdyas.org>
*
* 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.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef KIS_BRUSH_
#define KIS_BRUSH_
#include <qcstring.h>
#include <qstring.h>
#include <qsize.h>
#include <qimage.h>
#include <qvaluevector.h>
#include <kio/job.h>
#include "kis_resource.h"
#include "kis_types.h"
#include "kis_point.h"
#include "kis_alpha_mask.h"
#include "koffice_export.h"
#include "kis_boundary.h"
#include "kis_paintop.h"
class QPoint;
class QPixmap;
class KisBoundary;
class KisColorSpace;
class QIODevice;
enum enumBrushType {
INVALID,
MASK,
IMAGE,
PIPE_MASK,
PIPE_IMAGE,
AIRBRUSH
};
class KRITACORE_EXPORT KisBrush : public KisResource {
typedef KisResource super;
Q_OBJECT
public:
/// Construct brush to load filename later as brush
KisBrush(const QString& filename);
/// Load brush from the specified data, at position dataPos, and set the filename
KisBrush(const QString& filename,
const QByteArray & data,
Q_UINT32 & dataPos);
/// Load brush from the specified paint device, in the specified region
KisBrush(KisPaintDevice* image, int x, int y, int w, int h);
/// Load brush as a copy from the specified QImage (handy when you need to copy a brush!)
KisBrush(const QImage& image, const QString& name = QString(""));
virtual ~KisBrush();
virtual bool load();
/// synchronous, doesn't emit any signal (none defined!)
virtual bool save();
virtual QImage img();
virtual bool saveToDevice(QIODevice* dev) const;
/**
@return a mask computed from the grey-level values of the
pixels in the brush.
*/
virtual KisAlphaMaskSP mask(const KisPaintInformation& info,
double subPixelX = 0, double subPixelY = 0) const;
// XXX: return non-tiled simple buffer
virtual KisPaintDeviceSP image(KisColorSpace * colorSpace, const KisPaintInformation& info,
double subPixelX = 0, double subPixelY = 0) const;
void setHotSpot(KisPoint);
KisPoint hotSpot(const KisPaintInformation& info = KisPaintInformation()) const;
void setSpacing(double s) { m_spacing = s; }
double spacing() const { return m_spacing; }
double xSpacing(double pressure = PRESSURE_DEFAULT) const;
double ySpacing(double pressure = PRESSURE_DEFAULT) const;
// Dimensions in pixels of the mask/image at a given pressure.
Q_INT32 maskWidth(const KisPaintInformation& info) const;
Q_INT32 maskHeight(const KisPaintInformation& info) const;
virtual void setUseColorAsMask(bool useColorAsMask) { m_useColorAsMask = useColorAsMask; }
virtual bool useColorAsMask() const { return m_useColorAsMask; }
virtual bool hasColor() const;
virtual void makeMaskImage();
Q_INT32 width() const;
Q_INT32 height() const;
virtual enumBrushType brushType() const;
//QImage outline(double pressure = PRESSURE_DEFAULT);
virtual KisBoundary boundary();
/**
* Returns true if this brush can return something useful for the info. This is used
* by Pipe Brushes that can't paint sometimes
**/
virtual bool canPaintFor(const KisPaintInformation& /*info*/) { return true; }
virtual KisBrush* clone() const;
protected:
void setWidth(Q_INT32 w);
void setHeight(Q_INT32 h);
void setImage(const QImage& img);
void setBrushType(enumBrushType type) { m_brushType = type; };
static double scaleForPressure(double pressure);
private:
class ScaledBrush {
public:
ScaledBrush();
ScaledBrush(KisAlphaMaskSP scaledMask, const QImage& scaledImage, double scale, double xScale, double yScale);
double scale() const { return m_scale; }
double xScale() const { return m_xScale; }
double yScale() const { return m_yScale; }
KisAlphaMaskSP mask() const { return m_mask; }
QImage image() const { return m_image; }
private:
KisAlphaMaskSP m_mask;
QImage m_image;
double m_scale;
double m_xScale;
double m_yScale;
};
bool init();
bool initFromPaintDev(KisPaintDevice* image, int x, int y, int w, int h);
void createScaledBrushes() const;
KisAlphaMaskSP scaleMask(const ScaledBrush *srcBrush, double scale, double subPixelX, double subPixelY) const;
QImage scaleImage(const ScaledBrush *srcBrush, double scale, double subPixelX, double subPixelY) const;
static QImage scaleImage(const QImage& srcImage, int width, int height);
static QImage interpolate(const QImage& image1, const QImage& image2, double t);
static KisAlphaMaskSP scaleSinglePixelMask(double scale, Q_UINT8 maskValue, double subPixelX, double subPixelY);
static QImage scaleSinglePixelImage(double scale, QRgb pixel, double subPixelX, double subPixelY);
// Find the scaled brush(es) nearest to the given scale.
void findScaledBrushes(double scale, const ScaledBrush **aboveBrush, const ScaledBrush **belowBrush) const;
// Initialize our boundary
void generateBoundary();
QByteArray m_data;
bool m_ownData;
KisPoint m_hotSpot;
double m_spacing;
bool m_useColorAsMask;
bool m_hasColor;
QImage m_img;
mutable QValueVector<ScaledBrush> m_scaledBrushes;
Q_INT32 m_width;
Q_INT32 m_height;
Q_UINT32 m_header_size; /* header_size = sizeof (BrushHeader) + brush name */
Q_UINT32 m_version; /* brush file version # */
Q_UINT32 m_bytes; /* depth of brush in bytes */
Q_UINT32 m_magic_number; /* GIMP brush magic number */
enumBrushType m_brushType;
KisBoundary* m_boundary;
};
#endif // KIS_BRUSH_
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