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#ifndef _Paint_h
#define _Paint_h
/* +-------------------------------------------------------------------+ */
/* | Copyright 1992, 1993, David Koblas (koblas@netcom.com) | */
/* | Copyright 1995, 1996 Torsten Martinsen (bullestock@dk-online.dk) | */
/* | | */
/* | Permission to use, copy, modify, and to distribute 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. There is no | */
/* | representations about the suitability of this software for | */
/* | any purpose. this software is provided "as is" without express | */
/* | or implied warranty. | */
/* | | */
/* +-------------------------------------------------------------------+ */
/* $Id: Paint.h,v 1.17 2005/03/20 20:15:32 demailly Exp $ */
/****************************************************************
*
* Paint widget
*
****************************************************************/
/* Resources:
Name Class RepType Default Value
---- ----- ------- -------------
background Background Pixel XtDefaultBackground
border BorderColor Pixel XtDefaultForeground
borderWidth BorderWidth Dimension 1
destroyCallback Callback Pointer NULL
height Height Dimension 0
mappedWhenManaged MappedWhenManaged Boolean True
sensitive Sensitive Boolean True
width Width Dimension 0
x Position Position 0
y Position Position 0
*/
/* define any special resource names here that are not in <X11/StringDefs.h> */
#define XtNpaintResource "paintResource"
#define XtNpattern "pattern"
#define XtNmenubar "menubar"
#define XtNfullmenu "fullmenu"
#define XtNgrid "grid"
#define XtNgridmode "gridmode"
#define XtNgridcolor "gridcolor"
#define XtNinterpolation "interpolation"
#define XtNtransparent "transparent"
#define XtNsnapX "snapX"
#define XtNsnapY "snapY"
#define XtNsnapOn "snapOn"
#define XtNlineWidth "lineWidth"
#define XtNfatBack "fatBack"
#define XtNsizeChanged "sizeChanged"
#define XtNundoSize "undoSize"
#define XtNlocked "locked"
#define XtNzoom "zoom"
#define XtNpaint "paint"
#define XtNzoomX "zoomX"
#define XtNzoomY "zoomY"
#define XtNdrawWidth "drawWidth"
#define XtNdrawHeight "drawHeight"
#define XtNcompress "compress"
#define XtNdirty "dirty"
#define XtNfillRule "fillRule"
#define XtNregionCallback "regionSetCallback"
#define XtNdownX "downX"
#define XtNdownY "downY"
#define XtNlineForeground "lineForeground"
#define XtNlinePattern "linePattern"
#define XtNlineFillRule "lineFillRule"
#ifndef XtNreadOnly
#define XtNreadOnly "readOnly"
#endif
#ifndef XtNcursor
#define XtNcursor "cursor"
#endif
#define XtNfilename "filename"
#define XtNmenuwidgets "menuwidgets"
#define XtCPaintResource "PaintResource"
#define XtCPattern "Pattern"
#define XtCMenubar "Menubar"
#define XtCFullMenu "FullMenu"
#define XtCGrid "Grid"
#define XtCGridMode "GridMode"
#define XtCGridColor "GridColor"
#define XtCInterpolation "Interpolation"
#define XtCTransparent "Transparent"
#define XtCSnapX "SnapX"
#define XtCSnapY "SnapY"
#define XtCSnapOn "SnapOn"
#define XtCLineWidth "LineWidth"
#define XtCFatBack "FatBack"
#define XtCSizeChanged "SizeChanged"
#define XtCLocked "Locked"
#define XtCUndoSize "UndoSize"
#define XtCZoom "Zoom"
#define XtCPaint "Paint"
#define XtCZoomX "ZoomX"
#define XtCZoomY "ZoomY"
#define XtCDrawWidth "DrawWidth"
#define XtCDrawHeight "DrawHeight"
#define XtCCompress "Compress"
#define XtCDirty "Dirty"
#define XtCEditable "Editable"
#define XtCFillRule "FillRule"
#define XtCRegionCallback "RegionSetCallback"
#define XtCDownX "DownX"
#define XtCDownY "DownY"
#define XtCLineForeground "LineForeground"
#define XtCLinePattern "LinePattern"
#define XtCLineFillRule "LineFillRule"
#ifndef XtCReadOnly
#define XtCReadOnly "ReadOnly"
#endif
#define XtCfilename "Filename"
#define XtCmenuwidgets "Menuwidgets"
#define XtRXFTFontStruct "XFTFontStruct"
/* declare specific PaintWidget class and instance datatypes */
typedef struct _PaintClassRec *PaintClass;
typedef struct _PaintRec *PaintWidget;
/* declare the class constant */
extern WidgetClass paintWidgetClass;
/*
** Operation callback information
*/
typedef struct {
Pixmap pixmap;
unsigned char *alpha;
} AlphaPixmap;
typedef enum {
opPixmap = 0x01, opWindow = 0x02
} OpSurface;
typedef struct {
int refCount;
OpSurface surface;
Drawable drawable;
GC first_gc, second_gc, base_gc;
void *data;
int isFat;
int x, y;
int realX, realY;
int zoom;
Pixmap base;
} OpInfo;
typedef float pwMatrix[2][2];
/* Brush Item structure */
typedef struct {
int width, height;
int numpixels; /* Total number of set pixels */
char *brushbits;
Pixmap pixmap, bw;
Cursor cursor;
Widget icon;
} BrushItem;
typedef void (*OpEventProc) (Widget, void *, XEvent *, OpInfo *);
void OpRemoveEventHandler(Widget, int, int, Boolean, OpEventProc, void *);
void OpAddEventHandler(Widget, int, int, Boolean, OpEventProc, void *);
void UndoStart(Widget, OpInfo *);
void UndoStartRectangle(Widget, OpInfo *, XRectangle *);
void UndoStartPoint(Widget, OpInfo *, int, int);
void UndoSetRectangle(Widget, XRectangle *);
void UndoGrow(Widget, int, int);
AlphaPixmap PwUndoStart(Widget, XRectangle *);
void PwUndoSetRectangle(Widget, XRectangle *);
void PwUndoAddRectangle(Widget, XRectangle *);
void Undo(Widget);
void Redo(Widget);
void UndoInitialize(PaintWidget pw, int n);
#define PwZoomParent ((int) -10000)
/*
** Public functions
*/
void PwUpdate(Widget, XRectangle *, Boolean);
void PwUpdateDrawable(Widget, Drawable, XRectangle *);
void PwSetDrawn(Widget, Boolean);
void PwGetPixmap(Widget, Pixmap *, int *, int *);
void PwPutPixmap(Widget w, Pixmap pix);
XRectangle *PwScaleRectangle(Widget, XRectangle *);
XImage *PwGetImage(Widget, XRectangle *);
void zoomUpdate(PaintWidget pw, Boolean isExpose, XRectangle * rect);
Pixel AlphaTwistPixel(Pixel p, unsigned char *u);
Pixel AlphaTwistPixel8(Pixel p, unsigned char *u);
void AlphaTwistImage(PaintWidget w, XImage *xim,
unsigned char *alpha, int width,
int dx, int dy, int ax, int ay);
/*
** Region routines
*/
void PwDrawVisibleGrid(PaintWidget, Widget, Boolean, int, int, int, int);
void PwRegionExpose(Widget, PaintWidget, XEvent *, Boolean *);
void PwRegionSet(Widget, XRectangle *, Pixmap, Pixmap);
void PwRegionSetRawPixmap(Widget, Pixmap);
void PwRegionTear(Widget);
Boolean PwRegionGet(Widget, Pixmap *, Pixmap *);
Pixmap PwGetRawPixmap(Widget);
void PwRegionSetMatrix(Widget, pwMatrix);
void PwRegionAppendMatrix(Widget, pwMatrix);
void PwRegionAddScale(Widget, float *, float *);
void PwRegionSetScale(Widget, float *, float *);
void PwRegionReset(Widget, Boolean);
void PwRegionClear(Widget);
void PwRegionFinish(Widget, Boolean);
Boolean PwRegionOff(Widget w, Boolean flag);
typedef Pixmap(*pwRegionDoneProc) (Widget, XImage *, pwMatrix);
void PwRegionSetDone(Widget, pwRegionDoneProc);
#endif /* _Paint_h */
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