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Diffstat (limited to 'src/kernel/qtaddons_x11.cpp')
| -rw-r--r-- | src/kernel/qtaddons_x11.cpp | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/src/kernel/qtaddons_x11.cpp b/src/kernel/qtaddons_x11.cpp new file mode 100644 index 000000000..40d7e595d --- /dev/null +++ b/src/kernel/qtaddons_x11.cpp @@ -0,0 +1,144 @@ +/* + * $XFree86: xc/lib/Xft/xftname.c,v 1.10 2001/03/30 18:50:18 keithp Exp $ + * + * Copyright © 2000 Keith Packard, member of The XFree86 Project, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that + * copyright notice and this permission notice appear in supporting + * documentation, and that the name of Keith Packard not be used in + * advertising or publicity pertaining to distribution of the software without + * specific, written prior permission. Keith Packard makes no + * representations about the suitability of this software for any purpose. It + * is provided "as is" without express or implied warranty. + * + * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR + * CONSETQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, + * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER + * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR + * PERFORMANCE OF THIS SOFTWARE. + */ + +#include "qt_x11_p.h" + +#if !defined(QT_NO_XFTFREETYPE) && !defined(QT_XFT2) + +#include <X11/Xft/Xft.h> + +#include <stdio.h> +#include <string.h> +#include <stdlib.h> + +extern bool qt_use_xrender; // defined in qapplication_x11.cpp + +extern "C" { + +#define XFT_DRAW_N_SRC 2 + +struct _XftDraw { + Display *dpy; + Drawable drawable; + Visual *visual; + Colormap colormap; + Region clip; + Bool core_set; + Bool render_set; + Bool render_able; + struct { + Picture pict; + struct { + Picture pict; + XRenderColor color; + } src[XFT_DRAW_N_SRC]; + } render; + struct { + GC draw_gc; + unsigned long fg; + Font font; + } core; +}; + +Picture XftDrawPicture( XftDraw *draw ) +{ + if ( ! draw ) return 0; + if ( ! draw->render_set ) { + // force the RENDER Picture to be created... + XftColor color; + color.color.red = color.color.green = color.color.blue = color.color.alpha = + color.pixel = 0; + XftDrawRect( draw, &color, -100, -100, 1, 1 ); + } + return draw->render.pict; +} + +XftDraw *XftDrawCreateAlpha( Display *display, + Pixmap pixmap, + int depth ) +{ + // taken from Xft 1 sources, see copyright above + XftDraw *draw; + + draw = (XftDraw *) malloc (sizeof (XftDraw)); + if (!draw) + return 0; + draw->dpy = display; + draw->drawable = pixmap; + draw->visual = 0; + draw->colormap = 0; + draw->core_set = False; + draw->clip = 0; + + // TQt addition - go ahead and create the render picture now + draw->render_set = True; + draw->render_able = False; + + if ( qt_use_xrender ) { + draw->render_able = True; + + XRenderPictFormat *format = 0; + XRenderPictFormat req; + unsigned long mask = PictFormatType | PictFormatDepth | PictFormatAlphaMask; + req.type = PictTypeDirect; + req.depth = depth; + req.direct.alphaMask = 0xff; + format = XRenderFindFormat(draw->dpy, mask, &req, 0); + if (format) { + draw->render.pict = + XRenderCreatePicture(draw->dpy, draw->drawable, format, 0, 0); + } + + // to keep Xft from trying to free zero pixmaps/pictures, we need to create + // 2 more pictures (that are identical to draw->render.pict) :/ + draw->render.src[0].pict = + XRenderCreatePicture( draw->dpy, draw->drawable, format, 0, 0 ); + draw->render.src[1].pict = + XRenderCreatePicture( draw->dpy, draw->drawable, format, 0, 0 ); + } + + return draw; +} + +void XftDrawSetClipRectangles(XftDraw *draw, int xoff, int yoff, XRectangle *rects, int count) +{ + if (!draw) return; + + Picture pict = XftDrawPicture(draw); + XRenderSetPictureClipRectangles(draw->dpy, pict, xoff, yoff, rects, count); +} + +void XftDrawSetSubwindowMode(XftDraw *draw, int mode) +{ + if (!draw) return; + + Picture pict = XftDrawPicture(draw); + XRenderPictureAttributes pattr; + pattr.subwindow_mode = mode; + XRenderChangePicture(draw->dpy, pict, CPSubwindowMode, &pattr); +} + +} // extern "C" + +#endif // !QT_NO_XFTFREETYPE && !QT_XFT2 |