02-02-2009
Quote:
Originally Posted by
Corona688
I believe mozilla uses the freetype library in most cases... But no program is obliged to draw text in exactly the way you want. Even if you manage to intercept the text-drawing libraries of each and every program on your system you may find that it doesn't draw text in the right order to make sense when captured, or might render individual glyphs only once then draw the rest just by placing bitmaps, etc. Graphics is not console and will not behave like one.
Actually on Linux, while using Mozilla, XdrawString is getting called. But now i was tying that on Xandros Flavour, and that function was not gettin called. ie it is using some different libraries.
how can solve this problem... ay feasible solution u can think of or any other approach?
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LEARN ABOUT HPUX
xdrawtext
XDrawText() XDrawText()
Name
XDrawText - draw 8-bit polytext strings.
Synopsis
XDrawText(display, drawable, gc, x, y, items, nitems)
Display *display;
Drawable drawable;
GC gc;
int x, y;
XTextItem *items;
int nitems;
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 initial string, relative to the origin of the specified
y drawable.
items Specifies a pointer to an array of text items.
nitems Specifies the number of text items in the items array.
Description
XDrawText() is capable of drawing multiple strings on the same horizontal line and changing fonts between strings. Each XTextItem struc-
ture contains a string, the number of characters in the string, the delta offset from the starting position for the string, and the font.
Each text item is processed in turn. The font in each XTextItem is stored in the specified GC and used for subsequent text. If the XTex-
tItem.font is None, the font in the GC is used for drawing and is not changed. Switching between fonts with different drawing directions
is permitted.
The delta in each XTextItem specifies the change in horizontal position before the string is drawn. The delta is always added to the char-
acter origin and is not dependent on the draw direction of the font. For example, if x = 40, y = 20, and items[0].delta = 8, the string
specified by items[0].chars would be drawn starting at x = 48, y = 20. The delta for the second string begins at the rbearing of the last
character in the first string. A negative delta would tend to overlay subsequent strings on the end of the previous string.
Only the pixels selected in the font are drawn (the background member of the GC is not used to fill the bounding box).
In all X releases, there is a limit to the number and size of strings that can be drawn in a single XDrawText() call, that varies according
to the server. To determine how much text you can draw in a single call, you find out your server's maximum request size using XMaxRe-
questSize(). Subtract four, and then subtract ((strlen(string)+2)/4) for each string. This is the maximum amount of text you can draw in
a single XDrawText() call.
XDrawText() uses the following elements in the specified GC: function, plane_mask, fill_style, font, subwindow_mode, clip_x_origin,
clip_y_origin, and clip_mask. This function also uses these graphics context mode-dependent components: foreground, background, tile,
stipple, ts_x_origin, and ts_y_origin.
For more information, see Volume One, Chapter 6, Drawing Graphics and Text, and Chapter 5, The Graphics Context.
Structures
typedef struct {
char *chars; /* pointer to string */
int nchars; /* number of characters */
int delta; /* delta between strings */
Font font; /* font to print it in, None don't change */
} XTextItem;
Errors
BadDrawable
BadFont
BadGC
BadMatch
See Also
XDrawImageString(), XDrawImageString16(), XDrawString(), XDrawString16(), XDrawText16(), XQueryTextExtents(), XQueryTextExtents16(), XTex-
tExtents(), XTextExtents16(), XTextWidth(), XTextWidth16().
Xlib - Text XDrawText()