/usr/include/OverlayUnidraw/ovraster.h is in ivtools-dev 1.2.11a1-11.
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* Copyright (c) 1999 Vectaport Inc.
* Copyright (c) 1997 R.B. Kissh & Associates, Vectaport Inc.
* Copyright (c) 1994-1996 Vectaport Inc.
* Copyright (c) 1990, 1991 Stanford University
*
* Permission to use, copy, modify, distribute, and sell this software and
* its documentation for any purpose is hereby granted without fee, provided
* that the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the names of the copyright holders not be used in
* advertising or publicity pertaining to distribution of the software
* without specific, written prior permission. The copyright holders make
* no representations about the suitability of this software for any purpose.
* It is provided "as is" without express or implied warranty.
*
* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS.
* IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL,
* INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
* FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
*/
#define NDEBUG
/*
* Overlay Raster component declarations.
*/
#ifndef overlay_rastercomp_h
#define overlay_rastercomp_h
#include <OverlayUnidraw/ovcomps.h>
#include <OverlayUnidraw/ovviews.h>
#include <OverlayUnidraw/ovpsview.h>
#include <OverlayUnidraw/scriptview.h>
#include <Unidraw/Graphic/rasterrect.h>
#include <InterViews/raster.h>
#include <IV-X11/Xlib.h>
#include <IV-X11/xraster.h>
#include <OS/list.h>
#include <OS/string.h>
#include <assert.h>
#undef None
class OvImportCmd;
class OverlayRaster;
class OverlayRasterRect;
class RasterScript;
#include <iosfwd>
//: alignment of gray-level ramp when embbeded in a OverlayRaster.
enum RampAlignment { R_LB, R_LT, R_TL, R_TR, R_RT, R_RB, R_BR, R_BL };
declareList(CopyStringList,CopyString)
//: clone of RasterComp derived from OverlayComp.
class RasterOvComp : public OverlayComp {
public:
RasterOvComp(OverlayRasterRect* = nil, const char* pathname = nil,
OverlayComp* parent = nil);
RasterOvComp(istream&, OverlayComp* parent = nil);
virtual ~RasterOvComp();
OverlayRasterRect* GetOverlayRasterRect();
// return pointer to graphic.
virtual void SetPathName(const char*);
// set pathname associated with raster.
virtual const char* GetPathName();
// return pathname associated with raster.
virtual boolean GetByPathnameFlag() { return _import_flags & bypath_mask;}
// return flag that indicates whether component will be serialized
// by data or by pathname.
virtual void SetByPathnameFlag(boolean flag)
{ _import_flags = flag ? _import_flags |= bypath_mask : _import_flags &= ~bypath_mask;}
// set flag that indicates whether component will be serialized
// by data or by pathname.
virtual boolean GetFromCommandFlag() { return _import_flags & fromcomm_mask;}
// return flag that indicates whether component will be serialized
// by data or by pathname.
virtual void SetFromCommandFlag(boolean flag)
{ _import_flags = flag ? _import_flags |= fromcomm_mask : _import_flags &= ~fromcomm_mask;}
// set flag that indicates whether component will be serialized
// by data or by pathname.
virtual Component* Copy();
virtual ClassId GetClassId();
virtual boolean IsA(ClassId);
virtual boolean operator == (OverlayComp&);
virtual void Interpret(Command*);
// interpret an image command, otherwise pass to base class.
virtual void Uninterpret(Command*);
// uninterpret an image command, otherwise pass to base class.
virtual void Configure(Editor*);
// hook for initializing component after Editor is constructed.
static boolean UseGrayRaster() { return _use_gray_raster; }
// return flag that indicates whether GrayRaster or OverlayRaster should be used.
static void UseGrayRaster(boolean flag) { _use_gray_raster = flag; }
// set flag that indicates whether GrayRaster or OverlayRaster should be used.
static ParamList* get_param_list();
protected:
ParamList* GetParamList();
void GrowParamList(ParamList*);
static ParamList* _ovraster_params;
char* _pathname;
int _import_flags;
CopyStringList _commands;
CopyString _com_exp;
static boolean _use_gray_raster;
static boolean _warned;
friend class RasterScript;
CLASS_SYMID2("RasterComp", OVRASTER_COMP);
};
//: graphical view of RasterOvComp.
class RasterOvView : public OverlayView {
public:
RasterOvView(RasterOvComp* = nil);
virtual void Update();
RasterOvComp* GetRasterOvComp();
virtual Graphic* GetGraphic();
OverlayRasterRect* GetOverlayRasterRect()
{return (OverlayRasterRect*)GetGraphic();}
// return pointer to graphic.
OverlayRaster* GetOverlayRaster ();
// return pointer to raster inside graphic.
virtual ClassId GetClassId();
virtual boolean IsA(ClassId);
};
//: "PostScript" view of RasterOvComp.
class RasterPS : public OverlayPS {
public:
RasterPS(OverlayComp* = nil);
virtual boolean Definition(ostream&);
virtual ClassId GetClassId();
virtual boolean IsA(ClassId);
};
//: serialized view of RasterOvComp.
class RasterScript : public OverlayScript {
public:
RasterScript(RasterOvComp* = nil);
virtual boolean Definition(ostream&);
// output variable-length ASCII record that defines the component.
static int ReadRaster(istream&, void*, void*, void*, void*);
// read raster pathname if it exists, and construct OverlayRasterRect
// a OverlayRaster or GrayRaster inside.
static int ReadRGB(istream&, void*, void*, void*, void*);
// read RGB pixel values directly from serialized file.
static int ReadGrayChar(istream&, void*, void*, void*, void*);
// read 8-bit pixel values directly from serialized file.
static int ReadGrayUChar(istream&, void*, void*, void*, void*);
// read unsigned 8-bit pixel values directly from serialized file.
static int ReadGrayShort(istream&, void*, void*, void*, void*);
// read 16-bit pixel values directly from serialized file.
static int ReadGrayUShort(istream&, void*, void*, void*, void*);
// read unsigned 16-bit pixel values directly from serialized file.
static int ReadGrayInt(istream&, void*, void*, void*, void*);
// read integer pixel values directly from serialized file.
static int ReadGrayUInt(istream&, void*, void*, void*, void*);
// read unsigned integer pixel values directly from serialized file.
static int ReadGrayLong(istream&, void*, void*, void*, void*);
// read long pixel values directly from serialized file.
static int ReadGrayULong(istream&, void*, void*, void*, void*);
// read unsigned long pixel values directly from serialized file.
static int ReadGrayFloat(istream&, void*, void*, void*, void*);
// read floating point pixel values directly from serialized file.
static int ReadGrayDouble(istream&, void*, void*, void*, void*);
// read double floating point pixel values directly from serialized file.
static int ReadAlpha(istream&, void*, void*, void*, void*);
// read alpha-transparency value specification.
static int ReadSub(istream&, void*, void*, void*, void*);
// read sub-image specification.
static int ReadProcess(istream&, void*, void*, void*, void*);
// read image-processing command string.
virtual ClassId GetClassId();
virtual boolean IsA(ClassId);
boolean GetByPathnameFlag();
boolean GetFromCommandFlag();
};
class MultiLineObj;
class OverlayRaster;
//: derived RasterRect Graphic for use with OverlayRaster and GrayRaster.
class OverlayRasterRect : public RasterRect {
public:
OverlayRasterRect(OverlayRaster* = nil, Graphic* = nil);
virtual ~OverlayRasterRect();
void clippts(MultiLineObj*);
// set polygon used for additional clipping
void clippts(int* x, int* y, int n);
// set polygon used for additional clipping
MultiLineObj* clippts();
// return polygon used for additional clipping
void alphaval(float alpha) { _alphaval = alpha; }
// set alpha-transparency value, default is 1.0
float alphaval() { return _alphaval; }
// return alpha-transparency value.
virtual Graphic* Copy();
OverlayRaster* GetOriginal() { return (OverlayRaster*)_raster; }
// return raster associated with this graphic.
virtual void SetRaster(OverlayRaster*);
// set raster associated with this graphic.
OverlayRaster* GetOverlayRaster();
// return raster associated with this graphic.
const char* path() const;
// return pathname associated with the raster.
void load_image(const char* pathname = nil);
// method for deferred loading of raster by pathname.
void draw(Canvas *c, Graphic* gs);
// drawing method.
void xbeg(IntCoord);
// set xbeg of subimage specification (disabled == -1).
void xend(IntCoord);
// set xend of subimage specification (disabled == -1).
void ybeg(IntCoord);
// set ybeg of subimage specification (disabled == -1).
void yend(IntCoord);
// set yend of subimage specification (disabled == -1).
IntCoord xbeg() const;
// xbeg of subimage specification (disabled == -1).
IntCoord xend() const;
// xend of subimage specification (disabled == -1).
IntCoord ybeg() const;
// ybeg of subimage specification (disabled == -1).
IntCoord yend() const;
// yend of subimage specification (disabled == -1).
virtual OverlayRasterRect& operator = (OverlayRasterRect&);
// assignment operator.
boolean damage_done() { return _damage_done; }
// indicates if a damage rectangle has been set for this raster.
void damage_done(boolean flag) { _damage_done = flag; }
// set flag that indicates damage rectangle specified for this
// raster.
void damage_flush();
// if a damage rectangle is set this does a partial flush
// by calling Raster::flushrect. This clears the flag
// returned by ::damage_done.
void damage_rect(IntCoord l, IntCoord b, IntCoord r, IntCoord t);
// set rectangle used by ::damage_flush for calling Raster::flushrect.
protected:
IntCoord _xbeg;
IntCoord _xend;
IntCoord _ybeg;
IntCoord _yend;
boolean _damage_done;
IntCoord _damage_l;
IntCoord _damage_b;
IntCoord _damage_r;
IntCoord _damage_t;
MultiLineObj* _clippts;
float _alphaval;
friend class RasterOvComp;
friend class RasterOvView;
};
#include <Attribute/attrvalue.h>
//: specialized Raster object for use with RasterOvComp.
class OverlayRaster : public Raster {
public:
OverlayRaster(unsigned long width, unsigned long height);
// construct an empty raster ready to accept width*height of pixel values.
OverlayRaster(
unsigned long width, unsigned long height, unsigned long bwidth
);
// initialize with a border of width bwidth using the default fg/bg colors
OverlayRaster(const OverlayRaster& raster);
// copy constructor
OverlayRaster(const Raster& raster);
// conversion constructor
virtual ~OverlayRaster();
virtual boolean initialized();
// get initialized flag.
virtual void initialized(boolean);
// set initialized flag.
virtual void initialize();
// creates pixmap_ with correct data
virtual void poke(
unsigned long x, unsigned long y,
ColorIntensity red, ColorIntensity green, ColorIntensity blue,
float alpha
);
// lookup Color that best matches a given 'red', 'green', 'blue', and
// 'alpha' value, and poke corresponding entry in the colormap into
// the raster.
virtual void graypeek(unsigned long x, unsigned long y, unsigned int&);
// get green pixel value at 'x','y' and convert to an unsigned int.
virtual void graypeek(unsigned long x, unsigned long y, unsigned long&);
// get green pixel value at 'x','y' and convert to an unsigned long.
virtual void graypeek(unsigned long x, unsigned long y, float&);
// get green pixel value at 'x','y' and convert to a float.
virtual void graypeek(unsigned long x, unsigned long y, double&);
// get green pixel value at 'x','y' and convert to a double.
virtual void graypeek(unsigned long x, unsigned long y, AttributeValue&);
// get green pixel value at 'x','y' and place in an AttributeValue.
virtual void graypoke(unsigned long x, unsigned long y, unsigned int);
// set rgb pixel values at 'x','y' with an unsigned int.
virtual void graypoke(unsigned long x, unsigned long y, unsigned long);
// set rgb pixel values at 'x','y' with an unsigned long.
virtual void graypoke(unsigned long x, unsigned long y, float);
// set rgb pixel values at 'x','y' with a float.
virtual void graypoke(unsigned long x, unsigned long y, double);
// set rgb pixel values at 'x','y' with a double.
virtual void graypoke(unsigned long x, unsigned long y, AttributeValue);
// set rgb pixel values at 'x','y' with the contents of an AttributeValue.
virtual void highlight(unsigned long x, unsigned long y) {}
// saturate the red value at 'x','y' to highlight a pixel. Implemented
// only in GrayRaster.
virtual void unhighlight() {}
// clear the highlighted pixels. Implemented only in GrayRaster.
virtual void flush() const;
// flush internal XImage data structure to a pixmap on the X server.
virtual void flushrect(IntCoord l, IntCoord b, IntCoord s, IntCoord t) const;
// flush rectangular region of internal XImage data structure
// to a pixmap on the X server.
virtual int status() const;
virtual OverlayRaster* copy() const;
virtual OverlayRaster* scale(
ColorIntensity mingray, ColorIntensity maxgray, CopyString& cmd
);
// create new raster scaled between 'mingray' and 'maxgray', and return
// command string to reproduce this effect after save/restore.
virtual OverlayRaster* pseudocolor(
ColorIntensity mingray, ColorIntensity maxgray, CopyString& cmd
);
// create new raster pseudo-colored between 'mingray' and 'maxgray',
// and return command string to reproduce this effect after save/restore.
virtual OverlayRaster* logscale(
ColorIntensity mingray, ColorIntensity maxgray, CopyString& cmd
);
// create new raster logarithmically scaled between 'mingray' and 'maxgray',
// and return command string to reproduce this effect after save/restore.
virtual boolean write(ostream& out);
// write pixel values of raster to ostream as comma-separated
// parenthesized rgb triples in ASCII.
virtual boolean read(istream& in);
// read pixels values written out by write method.
virtual void gray_flag(boolean flag) { _grayflag = flag; }
// set flag that indicates this a graylevel image (r==g==b).
virtual boolean gray_flag() { return _grayflag; }
// return flag that indicates this a graylevel image.
virtual boolean grayraster() { return false; }
// return flag that indicates whether this is a GrayRaster
// (always false for OverlayRaster).
virtual AttributeValue::ValueType value_type() const
{ return AttributeValue::UCharType; }
// arbitrary type is not enabled in this class, only GrayRaster.
virtual boolean is_type(AttributeValue::ValueType type)
{ return value_type() == type; }
// arbitrary type is not enabled in this class, only GrayRaster.
virtual OverlayRaster* addgrayramp(
CopyString& cmd, RampAlignment = R_LT
);
// embed gray-level ramp in raster at given alignment, and return 'cmd'
// string to reproduce this effect after save/restore.
virtual OverlayRaster* addgrayramp(
CopyString& cmd, IntCoord x, IntCoord y
);
// embed gray-level ramp in raster at given alignment, and return 'cmd'
// string to reproduce this effect after save/restore.
virtual void paintgrayramp(
IntCoord left, IntCoord bottom, unsigned width, unsigned height,
boolean horiz
);
// utility method for painting the grayramp.
// protected:
static int gray_init();
// setup colormap for viewing graylevel imagery with good rubberband
// visibility.
static int gray_init(int nbits);
// setup colormap for viewing graylevel imagery with good rubberband
// visibility, using a specified number of gray-level bits.
static boolean gray_initialized() {return _gray_initialized;}
// returns true if graylevel colormap has been initialized.
static int color_init(int nlevels);
// setup colormap for 'nlevels' of R, G, B, i.e. if 'nlevels'==6,
// the number of entries set up in the colormap is 216 (6*6*6).
static long gray_lookup(int byte);
// lookup the original gray-level value associated with a colormap entry.
protected:
void construct(const Raster&);
void init_rep(unsigned long width, unsigned long height);
virtual void init_space();
virtual OverlayRaster* pseudocolor(
ColorIntensity mingray, ColorIntensity maxgray
);
virtual void scale(
ColorIntensity mingray, ColorIntensity maxgray
);
virtual void logscale(
ColorIntensity mingray, ColorIntensity maxgray
);
void _addgrayramp(
RampAlignment algn, IntCoord w = 0, IntCoord h = 0
);
void computeramp(boolean vert, RampAlignment, IntCoord& w, IntCoord& h);
RampAlignment ramppos(IntCoord x, IntCoord y);
protected:
static XColor* _gray_map;
static int _unique_grays;
static boolean _gray_initialized;
static XColor* _color_map;
static int _unique_colors;
boolean _grayflag;
boolean _init;
friend class OvImportCmd;
friend class RasterOvComp;
#ifdef LEAKCHECK
public:
static LeakChecker* _leakchecker;
#endif
};
#endif
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