Linux Manuals session 3

Tk_GetImage, Tk_RedrawImage, Tk_SizeOfImage, Tk_FreeImage – use an image in a widget Synopsis #include <tk.h> Tk_Image Tk_GetImage(interp, tkwin, name, changeProc, clientData) Tk_RedrawImage(image, imageX, imageY, width, height, drawable, drawableX, drawableY) Tk_SizeOfImage(image, widthPtr, heightPtr) Tk_FreeImage(image) Arguments Tcl_Interp *interp (in) Place to leave error message. Tk_Window tkwin (in) Window in which image will be used. const char *name (in)…

Tk_GetGC, Tk_FreeGC – maintain database of read-only graphics contexts Synopsis #include <tk.h> GC Tk_GetGC(tkwin, valueMask, valuePtr) Tk_FreeGC(display, gc) Arguments Tk_Window tkwin (in) Token for window in which the graphics context will be used. unsigned long valueMask (in) Mask of bits (such as GCForeground or GCStipple) indicating which fields of *valuePtr are valid. XGCValues *valuePtr (in)…

Tk_AllocFontFromObj, Tk_GetFont, Tk_GetFontFromObj, Tk_NameOfFont, Tk_FreeFontFromObj, Tk_FreeFont – maintain database of fonts Synopsis #include <tk.h> Tk_Font Tk_AllocFontFromObj(interp, tkwin, objPtr) Tk_Font Tk_GetFont(interp, tkwin, string) Tk_Font Tk_GetFontFromObj(tkwin, objPtr) const char * Tk_NameOfFont(tkfont) Tk_Font Tk_FreeFontFromObj(tkwin, objPtr) void Tk_FreeFont(tkfont) Arguments Tcl_Interp *interp (in) Interpreter to use for error reporting. If NULL, then no error messages are left after errors. Tk_Window…

Tk_AllocFontFromObj, Tk_GetFont, Tk_GetFontFromObj, Tk_NameOfFont, Tk_FreeFontFromObj, Tk_FreeFont – maintain database of fonts Synopsis #include <tk.h> Tk_Font Tk_AllocFontFromObj(interp, tkwin, objPtr) Tk_Font Tk_GetFont(interp, tkwin, string) Tk_Font Tk_GetFontFromObj(tkwin, objPtr) const char * Tk_NameOfFont(tkfont) Tk_Font Tk_FreeFontFromObj(tkwin, objPtr) void Tk_FreeFont(tkfont) Arguments Tcl_Interp *interp (in) Interpreter to use for error reporting. If NULL, then no error messages are left after errors. Tk_Window…

Tk_AllocCursorFromObj, Tk_GetCursor, Tk_GetCursorFromObj, Tk_GetCursorFromData, Tk_NameOfCursor, Tk_FreeCursorFromObj, Tk_FreeCursor – maintain database of cursors Synopsis #include <tk.h> Tk_Cursor Tk_AllocCursorFromObj(interp, tkwin, objPtr) Tk_Cursor Tk_GetCursor(interp, tkwin, name) Tk_Cursor Tk_GetCursorFromObj(tkwin, objPtr) Tk_Cursor Tk_GetCursorFromData(interp, tkwin, source, mask, width, height, xHot, yHot, fg, bg) const char * Tk_NameOfCursor(display, cursor) Tk_FreeCursorFromObj(tkwin, objPtr) Tk_FreeCursor(display, cursor) Arguments Tcl_Interp *interp (in) Interpreter to use for error…

Tk_AllocCursorFromObj, Tk_GetCursor, Tk_GetCursorFromObj, Tk_GetCursorFromData, Tk_NameOfCursor, Tk_FreeCursorFromObj, Tk_FreeCursor – maintain database of cursors Synopsis #include <tk.h> Tk_Cursor Tk_AllocCursorFromObj(interp, tkwin, objPtr) Tk_Cursor Tk_GetCursor(interp, tkwin, name) Tk_Cursor Tk_GetCursorFromObj(tkwin, objPtr) Tk_Cursor Tk_GetCursorFromData(interp, tkwin, source, mask, width, height, xHot, yHot, fg, bg) const char * Tk_NameOfCursor(display, cursor) Tk_FreeCursorFromObj(tkwin, objPtr) Tk_FreeCursor(display, cursor) Arguments Tcl_Interp *interp (in) Interpreter to use for error…

Tk_CreateOptionTable, Tk_DeleteOptionTable, Tk_InitOptions, Tk_SetOptions, Tk_FreeSavedOptions, Tk_RestoreSavedOptions, Tk_GetOptionValue, Tk_GetOptionInfo, Tk_FreeConfigOptions, Tk_Offset – process configuration options Synopsis #include <tk.h> Tk_OptionTable Tk_CreateOptionTable(interp, templatePtr) Tk_DeleteOptionTable(optionTable) int Tk_InitOptions(interp, recordPtr, optionTable, tkwin) int Tk_SetOptions(interp, recordPtr, optionTable, objc, objv, tkwin, savePtr, maskPtr) Tk_FreeSavedOptions(savedPtr) Tk_RestoreSavedOptions(savedPtr) Tcl_Obj * Tk_GetOptionValue(interp, recordPtr, optionTable, namePtr, tkwin) Tcl_Obj * Tk_GetOptionInfo(interp, recordPtr, optionTable, namePtr, tkwin) Tk_FreeConfigOptions(recordPtr, optionTable, tkwin) int…

Tk_GetColormap, Tk_PreserveColormap, Tk_FreeColormap – allocate and free colormaps Synopsis #include <tk.h> Colormap Tk_GetColormap(interp, tkwin, string) Tk_PreserveColormap(display, colormap) Tk_FreeColormap(display, colormap) Arguments Tcl_Interp *interp (in) Interpreter to use for error reporting. Tk_Window tkwin (in) Token for window in which colormap will be used. const char *string (in) Selects a colormap: either new or the name of a…

Tk_AllocColorFromObj, Tk_GetColor, Tk_GetColorFromObj, Tk_GetColorByValue, Tk_NameOfColor, Tk_FreeColorFromObj, Tk_FreeColor – maintain database of colors Synopsis #include <tk.h> XColor * Tk_AllocColorFromObj(interp, tkwin, objPtr) XColor * Tk_GetColor(interp, tkwin, name) XColor * Tk_GetColorFromObj(tkwin, objPtr) XColor * Tk_GetColorByValue(tkwin, prefPtr) const char * Tk_NameOfColor(colorPtr) GC Tk_GCForColor(colorPtr, drawable) Tk_FreeColorFromObj(tkwin, objPtr) Tk_FreeColor(colorPtr) Arguments Tcl_Interp *interp (in) Interpreter to use for error reporting. Tk_Window tkwin…

Tk_AllocColorFromObj, Tk_GetColor, Tk_GetColorFromObj, Tk_GetColorByValue, Tk_NameOfColor, Tk_FreeColorFromObj, Tk_FreeColor – maintain database of colors Synopsis #include <tk.h> XColor * Tk_AllocColorFromObj(interp, tkwin, objPtr) XColor * Tk_GetColor(interp, tkwin, name) XColor * Tk_GetColorFromObj(tkwin, objPtr) XColor * Tk_GetColorByValue(tkwin, prefPtr) const char * Tk_NameOfColor(colorPtr) GC Tk_GCForColor(colorPtr, drawable) Tk_FreeColorFromObj(tkwin, objPtr) Tk_FreeColor(colorPtr) Arguments Tcl_Interp *interp (in) Interpreter to use for error reporting. Tk_Window tkwin…

Tk_AllocBitmapFromObj, Tk_GetBitmap, Tk_GetBitmapFromObj, Tk_DefineBitmap, Tk_NameOfBitmap, Tk_SizeOfBitmap, Tk_FreeBitmapFromObj, Tk_FreeBitmap – maintain database of single-plane pixmaps Synopsis #include <tk.h> Pixmap Tk_AllocBitmapFromObj(interp, tkwin, objPtr) Pixmap Tk_GetBitmap(interp, tkwin, info) Pixmap Tk_GetBitmapFromObj(tkwin, objPtr) int Tk_DefineBitmap(interp, name, source, width, height) const char * Tk_NameOfBitmap(display, bitmap) Tk_SizeOfBitmap(display, bitmap, widthPtr, heightPtr) Tk_FreeBitmapFromObj(tkwin, objPtr) Tk_FreeBitmap(display, bitmap) Arguments Tcl_Interp *interp (in) Interpreter to use for…

Tk_AllocBitmapFromObj, Tk_GetBitmap, Tk_GetBitmapFromObj, Tk_DefineBitmap, Tk_NameOfBitmap, Tk_SizeOfBitmap, Tk_FreeBitmapFromObj, Tk_FreeBitmap – maintain database of single-plane pixmaps Synopsis #include <tk.h> Pixmap Tk_AllocBitmapFromObj(interp, tkwin, objPtr) Pixmap Tk_GetBitmap(interp, tkwin, info) Pixmap Tk_GetBitmapFromObj(tkwin, objPtr) int Tk_DefineBitmap(interp, name, source, width, height) const char * Tk_NameOfBitmap(display, bitmap) Tk_SizeOfBitmap(display, bitmap, widthPtr, heightPtr) Tk_FreeBitmapFromObj(tkwin, objPtr) Tk_FreeBitmap(display, bitmap) Arguments Tcl_Interp *interp (in) Interpreter to use for…

Tk_Alloc3DBorderFromObj, Tk_Get3DBorder, Tk_Get3DBorderFromObj, Tk_Draw3DRectangle, Tk_Fill3DRectangle, Tk_Draw3DPolygon, Tk_Fill3DPolygon, Tk_3DVerticalBevel, Tk_3DHorizontalBevel, Tk_SetBackgroundFromBorder, Tk_NameOf3DBorder, Tk_3DBorderColor, Tk_3DBorderGC, Tk_Free3DBorderFromObj, Tk_Free3DBorder – draw borders with three-dimensional appearance Synopsis #include <tk.h> Tk_3DBorder Tk_Alloc3DBorderFromObj(interp, tkwin, objPtr) Tk_3DBorder Tk_Get3DBorder(interp, tkwin, colorName) Tk_3DBorder Tk_Get3DBorderFromObj(tkwin, objPtr) void Tk_Draw3DRectangle(tkwin, drawable, border, x, y, width, height, borderWidth, relief) void Tk_Fill3DRectangle(tkwin, drawable, border, x, y, width, height, borderWidth, relief)…

Tk_Alloc3DBorderFromObj, Tk_Get3DBorder, Tk_Get3DBorderFromObj, Tk_Draw3DRectangle, Tk_Fill3DRectangle, Tk_Draw3DPolygon, Tk_Fill3DPolygon, Tk_3DVerticalBevel, Tk_3DHorizontalBevel, Tk_SetBackgroundFromBorder, Tk_NameOf3DBorder, Tk_3DBorderColor, Tk_3DBorderGC, Tk_Free3DBorderFromObj, Tk_Free3DBorder – draw borders with three-dimensional appearance Synopsis #include <tk.h> Tk_3DBorder Tk_Alloc3DBorderFromObj(interp, tkwin, objPtr) Tk_3DBorder Tk_Get3DBorder(interp, tkwin, colorName) Tk_3DBorder Tk_Get3DBorderFromObj(tkwin, objPtr) void Tk_Draw3DRectangle(tkwin, drawable, border, x, y, width, height, borderWidth, relief) void Tk_Fill3DRectangle(tkwin, drawable, border, x, y, width, height, borderWidth, relief)…

Tk_FontId, Tk_GetFontMetrics, Tk_PostscriptFontName – accessor functions for fonts Synopsis #include <tk.h> Font Tk_FontId(tkfont) Tk_GetFontMetrics(tkfont, fmPtr) int Tk_PostscriptFontName(tkfont, dsPtr) Arguments Tk_Font tkfont (in) Opaque font token being queried. Must have been returned by a previous call to Tk_GetFont. Tk_FontMetrics *fmPtr (out) Pointer to structure in which the font metrics for tkfont will be stored. See DATA…

Tk_FindPhoto, Tk_PhotoPutBlock, Tk_PhotoPutZoomedBlock, Tk_PhotoGetImage, Tk_PhotoBlank, Tk_PhotoExpand, Tk_PhotoGetSize, Tk_PhotoSetSize – manipulate the image data stored in a photo image. Synopsis #include <tk.h> Tk_PhotoHandle Tk_FindPhoto(interp, imageName) int Tk_PhotoPutBlock(interp, handle, blockPtr, x, y, width, height,compRule) int Tk_PhotoPutZoomedBlock(interp, handle, blockPtr, x, y, width, height,zoomX, zoomY, subsampleX, subsampleY, compRule) int Tk_PhotoGetImage(handle, blockPtr) void Tk_PhotoBlank(handle) int Tk_PhotoExpand(interp, handle, width, height) void…

Tk_Alloc3DBorderFromObj, Tk_Get3DBorder, Tk_Get3DBorderFromObj, Tk_Draw3DRectangle, Tk_Fill3DRectangle, Tk_Draw3DPolygon, Tk_Fill3DPolygon, Tk_3DVerticalBevel, Tk_3DHorizontalBevel, Tk_SetBackgroundFromBorder, Tk_NameOf3DBorder, Tk_3DBorderColor, Tk_3DBorderGC, Tk_Free3DBorderFromObj, Tk_Free3DBorder – draw borders with three-dimensional appearance Synopsis #include <tk.h> Tk_3DBorder Tk_Alloc3DBorderFromObj(interp, tkwin, objPtr) Tk_3DBorder Tk_Get3DBorder(interp, tkwin, colorName) Tk_3DBorder Tk_Get3DBorderFromObj(tkwin, objPtr) void Tk_Draw3DRectangle(tkwin, drawable, border, x, y, width, height, borderWidth, relief) void Tk_Fill3DRectangle(tkwin, drawable, border, x, y, width, height, borderWidth, relief)…

Tk_Alloc3DBorderFromObj, Tk_Get3DBorder, Tk_Get3DBorderFromObj, Tk_Draw3DRectangle, Tk_Fill3DRectangle, Tk_Draw3DPolygon, Tk_Fill3DPolygon, Tk_3DVerticalBevel, Tk_3DHorizontalBevel, Tk_SetBackgroundFromBorder, Tk_NameOf3DBorder, Tk_3DBorderColor, Tk_3DBorderGC, Tk_Free3DBorderFromObj, Tk_Free3DBorder – draw borders with three-dimensional appearance Synopsis #include <tk.h> Tk_3DBorder Tk_Alloc3DBorderFromObj(interp, tkwin, objPtr) Tk_3DBorder Tk_Get3DBorder(interp, tkwin, colorName) Tk_3DBorder Tk_Get3DBorderFromObj(tkwin, objPtr) void Tk_Draw3DRectangle(tkwin, drawable, border, x, y, width, height, borderWidth, relief) void Tk_Fill3DRectangle(tkwin, drawable, border, x, y, width, height, borderWidth, relief)…

Tk_ComputeTextLayout, Tk_FreeTextLayout, Tk_DrawTextLayout, Tk_UnderlineTextLayout, Tk_PointToChar, Tk_CharBbox, Tk_DistanceToTextLayout, Tk_IntersectTextLayout, Tk_TextLayoutToPostscript – routines to measure and display single-font, multi-line, justified text. Synopsis #include <tk.h> Tk_TextLayout Tk_ComputeTextLayout(tkfont, string, numChars, wrapLength, justify, flags, widthPtr, heightPtr) void Tk_FreeTextLayout(layout) void Tk_DrawTextLayout(display, drawable, gc, layout, x, y, firstChar, lastChar) void Tk_UnderlineTextLayout(display, drawable, gc, layout, x, y, underline) int Tk_PointToChar(layout, x, y) int…

Tk_DrawFocusHighlight – draw the traversal highlight ring for a widget Synopsis #include <tk.h> Tk_DrawFocusHighlight(tkwin, gc, width, drawable) Arguments Tk_Window tkwin (in) Window for which the highlight is being drawn. Used to retrieve the window’s dimensions, among other things. GC gc (in) Graphics context to use for drawing the highlight. int width (in) Width of the…