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XmbDrawText(3) XLIB FUNCTIONS XmbDrawText(3) NAME XmbDrawText, XwcDrawText, Xutf8DrawText - draw text using multiple font sets SYNTAX void XmbDrawText(Display *display, Drawable d, GC gc, int x, int y, XmbTex- tItem *items, int nitems); void XwcDrawText(Display *display, Drawable d, GC gc, int x, int y, XwcTex- tItem *items, int nitems); void Xutf8DrawText(Display *display, Drawable d, GC gc, int x, int y, Xmb- TextItem *items, int nitems); ARGUMENTS d Specifies the drawable. display Specifies the connection to the X server. gc Specifies the GC. items Specifies an array of text items. nitems Specifies the number of text items in the array. x y Specify the x and y coordinates. DESCRIPTION The XmbDrawText, XwcDrawText and Xutf8DrawText functions allow complex spacing and font set shifts between text strings. Each text item is processed in turn, with the origin of a text element advanced in the pri- mary draw direction by the escapement of the previous text item. A text item delta specifies an additional escapement of the text item drawing ori- gin in the primary draw direction. A font_set member other than None in an item causes the font set to be used for this and subsequent text items in the text_items list. Leading text items with a font_set member set to None will not be drawn. XmbDrawText, XwcDrawText and Xutf8DrawText do not perform any context-de- pendent rendering between text segments. Clients may compute the drawing metrics by passing each text segment to XmbTextExtents, XwcTextExtents, Xutf8TextExtents or XmbTextPerCharExtents, XwcTextPerCharExtents. Xutf8TextPerCharExtents. When the XFontSet has missing charsets, each un- available character is drawn with the default string returned by XCreate- FontSet. The behavior for an invalid codepoint is undefined. The function Xutf8DrawText is an extension introduced by The XFree86 Project, Inc., in their 4.0.2 release. Its presence is indicated by the macro X_HAVE_UTF8_STRING. STRUCTURES The XmbTextItem structure contains: typedef struct { char *chars; /* pointer to string */ int nchars; /* number of bytes */ int delta; /* pixel delta between strings */ XFontSet font_set; /* fonts, None means don't change */ } XmbTextItem; The XwcTextItem structure contains: typedef struct { wchar_t *chars; /* pointer to wide char string */ int nchars; /* number of wide characters */ int delta; /* pixel delta between strings */ XFontSet font_set; /* fonts, None means don't change */ } XwcTextItem; SEE ALSO XDrawImageString(3), XDrawString(3), XDrawText(3), XmbDrawImageString(3), XmbDrawString(3) Xlib - C Language X Interface X Version 11 libX11 1.8.13 XmbDrawText(3)
NAME | SYNTAX | ARGUMENTS | DESCRIPTION | STRUCTURES | SEE ALSO
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