xdrawimageb(3) [hpux man page]
XDrawImageString16() XDrawImageString16() Name XDrawImageString16 - draw 16-bit image text characters. Synopsis XDrawImageString16(display, drawable, gc, x, y, string, length) Display *display; Drawable drawable; GC gc; int x, y; XChar2b *string; int length; Arguments display Specifies a connection to an X server; returned from XOpenDisplay(). drawable Specifies the drawable. gc Specifies the graphics context. x Specify the x and y coordinates of the baseline starting position for the image text character, relative to the origin of the y specified drawable. string Specifies the character string. length Specifies the number of characters in the string argument. Description XDrawImageString16() draws a string, but unlike XDrawString16() it draws both the foreground and the background of the characters. It draws the characters in the foreground and fills the bounding box with the background. XDrawImageString16() uses these graphics context components: plane_mask, foreground, background, font, subwindow_mode, clip_x_origin, clip_y_ origin, and clip_mask. The function and fill_style defined in gc are ignored; the effective function is GXcopy and the effective fill_style is FillSolid. XDrawImageString16() first fills a destination rectangle with the background pixel defined in gc, and then paints the text with the fore- ground pixel. The upper-left corner of the filled rectangle is at [x, y - font_ascent], the width is overall->width and the height is ascent + descent, where overall->width, ascent, and descent are as would be returned by XQueryTextExtents16() using gc and string. For more information, see Volume One, Chapter 6, Drawing Graphics and Text, and Chapter 5, The Graphics Context. Structures typedef struct { unsigned char byte1; unsigned char byte2; } XChar2b; Errors BadDrawable BadGC BadMatch See Also XDrawImageString(), XDrawString(), XDrawString16(), XDrawText(), XDrawText16(), XQueryTextExtents(), XQueryTextExtents16(), XTextExtents(), XTextExtents16(), XTextWidth(), XTextWidth16(). Xlib - Text XDrawImageString16()
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XDrawImageString(3) XLIB FUNCTIONS XDrawImageString(3) NAME
XDrawImageString, XDrawImageString16 - draw image text SYNTAX
int XDrawImageString(Display *display, Drawable d, GC gc, int x, int y, char *string, int length); int XDrawImageString16(Display *display, Drawable d, GC gc, int x, int y, XChar2b *string, int length); ARGUMENTS
d Specifies the drawable. display Specifies the connection to the X server. gc Specifies the GC. length Specifies the number of characters in the string argument. string Specifies the character string. x y Specify the x and y coordinates, which are relative to the origin of the specified drawable and define the origin of the first character. DESCRIPTION
The XDrawImageString16 function is similar to XDrawImageString except that it uses 2-byte or 16-bit characters. Both functions also use both the foreground and background pixels of the GC in the destination. The effect is first to fill a destination rectangle with the background pixel defined in the GC and then to paint the text with the fore- ground pixel. The upper-left corner of the filled rectangle is at: [x, y - font-ascent] The width is: overall-width The height is: font-ascent + font-descent The overall-width, font-ascent, and font-descent are as would be returned by XQueryTextExtents using gc and string. The function and fill- style defined in the GC are ignored for these functions. The effective function is GXcopy, and the effective fill-style is FillSolid. For fonts defined with 2-byte matrix indexing and used with XDrawImageString, each byte is used as a byte2 with a byte1 of zero. Both functions use these GC components: plane-mask, foreground, background, font, subwindow-mode, clip-x-origin, clip-y-origin, and clip- mask. XDrawImageString and XDrawImageString16 can generate BadDrawable, BadGC, and BadMatch errors. DIAGNOSTICS
BadDrawable A value for a Drawable argument does not name a defined Window or Pixmap. BadGC A value for a GContext argument does not name a defined GContext. BadMatch An InputOnly window is used as a Drawable. BadMatch Some argument or pair of arguments has the correct type and range but fails to match in some other way required by the request. SEE ALSO
XDrawString(3), XDrawText(3), XLoadFont(3), XTextExtents(3) Xlib - C Language X Interface X Version 11 libX11 1.5.0 XDrawImageString(3)