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145 lines
4.1 KiB
145 lines
4.1 KiB
/*
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* $XFree86: xc/lib/Xft/xftname.c,v 1.10 2001/03/30 18:50:18 keithp Exp $
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*
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* Copyright © 2000 Keith Packard, member of The XFree86 Project, Inc.
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation, and that the name of Keith Packard not be used in
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* advertising or publicity pertaining to distribution of the software without
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* specific, written prior permission. Keith Packard makes no
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* representations about the suitability of this software for any purpose. It
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* is provided "as is" without express or implied warranty.
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*
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* KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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* EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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#include "qt_x11_p.h"
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#if !defined(TQT_NO_XFTFREETYPE) && !defined(QT_XFT2)
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#include <X11/Xft/Xft.h>
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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extern bool tqt_use_xrender; // defined in qapplication_x11.cpp
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extern "C" {
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#define XFT_DRAW_N_SRC 2
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struct _XftDraw {
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Display *dpy;
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Drawable drawable;
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Visual *visual;
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Colormap colormap;
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Region clip;
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Bool core_set;
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Bool render_set;
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Bool render_able;
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struct {
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Picture pict;
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struct {
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Picture pict;
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XRenderColor color;
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} src[XFT_DRAW_N_SRC];
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} render;
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struct {
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GC draw_gc;
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unsigned long fg;
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Font font;
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} core;
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};
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Picture XftDrawPicture( XftDraw *draw )
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{
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if ( ! draw ) return 0;
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if ( ! draw->render_set ) {
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// force the RENDER Picture to be created...
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XftColor color;
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color.color.red = color.color.green = color.color.blue = color.color.alpha =
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color.pixel = 0;
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XftDrawRect( draw, &color, -100, -100, 1, 1 );
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}
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return draw->render.pict;
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}
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XftDraw *XftDrawCreateAlpha( Display *display,
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Pixmap pixmap,
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int depth )
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{
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// taken from Xft 1 sources, see copyright above
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XftDraw *draw;
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draw = (XftDraw *) malloc (sizeof (XftDraw));
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if (!draw)
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return 0;
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draw->dpy = display;
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draw->drawable = pixmap;
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draw->visual = 0;
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draw->colormap = 0;
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draw->core_set = False;
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draw->clip = 0;
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// TQt addition - go ahead and create the render picture now
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draw->render_set = True;
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draw->render_able = False;
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if ( tqt_use_xrender ) {
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draw->render_able = True;
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XRenderPictFormat *format = 0;
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XRenderPictFormat req;
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unsigned long mask = PictFormatType | PictFormatDepth | PictFormatAlphaMask;
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req.type = PictTypeDirect;
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req.depth = depth;
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req.direct.alphaMask = 0xff;
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format = XRenderFindFormat(draw->dpy, mask, &req, 0);
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if (format) {
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draw->render.pict =
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XRenderCreatePicture(draw->dpy, draw->drawable, format, 0, 0);
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}
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// to keep Xft from trying to free zero pixmaps/pictures, we need to create
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// 2 more pictures (that are identical to draw->render.pict) :/
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draw->render.src[0].pict =
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XRenderCreatePicture( draw->dpy, draw->drawable, format, 0, 0 );
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draw->render.src[1].pict =
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XRenderCreatePicture( draw->dpy, draw->drawable, format, 0, 0 );
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}
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return draw;
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}
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void XftDrawSetClipRectangles(XftDraw *draw, int xoff, int yoff, XRectangle *rects, int count)
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{
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if (!draw) return;
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Picture pict = XftDrawPicture(draw);
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XRenderSetPictureClipRectangles(draw->dpy, pict, xoff, yoff, rects, count);
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}
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void XftDrawSetSubwindowMode(XftDraw *draw, int mode)
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{
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if (!draw) return;
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Picture pict = XftDrawPicture(draw);
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XRenderPictureAttributes pattr;
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pattr.subwindow_mode = mode;
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XRenderChangePicture(draw->dpy, pict, CPSubwindowMode, &pattr);
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}
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} // extern "C"
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#endif // !TQT_NO_XFTFREETYPE && !QT_XFT2
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