forked from AuroraMiddleware/gtk
474 lines
13 KiB
C
474 lines
13 KiB
C
/* GDK - The GIMP Drawing Kit
|
|
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Library General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Library General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Library General Public
|
|
* License along with this library; if not, write to the
|
|
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
* Boston, MA 02111-1307, USA.
|
|
*/
|
|
|
|
/*
|
|
* Modified by the GTK+ Team and others 1997-1999. See the AUTHORS
|
|
* file for a list of people on the GTK+ Team. See the ChangeLog
|
|
* files for a list of changes. These files are distributed with
|
|
* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
|
|
*/
|
|
|
|
#include "gdkprivate-x11.h"
|
|
|
|
static void gdk_x11_drawable_destroy (GdkDrawable *drawable);
|
|
|
|
static void gdk_x11_draw_rectangle (GdkDrawable *drawable,
|
|
GdkGC *gc,
|
|
gint filled,
|
|
gint x,
|
|
gint y,
|
|
gint width,
|
|
gint height);
|
|
static void gdk_x11_draw_arc (GdkDrawable *drawable,
|
|
GdkGC *gc,
|
|
gint filled,
|
|
gint x,
|
|
gint y,
|
|
gint width,
|
|
gint height,
|
|
gint angle1,
|
|
gint angle2);
|
|
static void gdk_x11_draw_polygon (GdkDrawable *drawable,
|
|
GdkGC *gc,
|
|
gint filled,
|
|
GdkPoint *points,
|
|
gint npoints);
|
|
static void gdk_x11_draw_text (GdkDrawable *drawable,
|
|
GdkFont *font,
|
|
GdkGC *gc,
|
|
gint x,
|
|
gint y,
|
|
const gchar *text,
|
|
gint text_length);
|
|
static void gdk_x11_draw_text_wc (GdkDrawable *drawable,
|
|
GdkFont *font,
|
|
GdkGC *gc,
|
|
gint x,
|
|
gint y,
|
|
const GdkWChar *text,
|
|
gint text_length);
|
|
static void gdk_x11_draw_drawable (GdkDrawable *drawable,
|
|
GdkGC *gc,
|
|
GdkPixmap *src,
|
|
gint xsrc,
|
|
gint ysrc,
|
|
gint xdest,
|
|
gint ydest,
|
|
gint width,
|
|
gint height);
|
|
static void gdk_x11_draw_points (GdkDrawable *drawable,
|
|
GdkGC *gc,
|
|
GdkPoint *points,
|
|
gint npoints);
|
|
static void gdk_x11_draw_segments (GdkDrawable *drawable,
|
|
GdkGC *gc,
|
|
GdkSegment *segs,
|
|
gint nsegs);
|
|
static void gdk_x11_draw_lines (GdkDrawable *drawable,
|
|
GdkGC *gc,
|
|
GdkPoint *points,
|
|
gint npoints);
|
|
|
|
|
|
GdkDrawableClass _gdk_x11_drawable_class = {
|
|
gdk_x11_drawable_destroy,
|
|
_gdk_x11_gc_new,
|
|
gdk_x11_draw_rectangle,
|
|
gdk_x11_draw_arc,
|
|
gdk_x11_draw_polygon,
|
|
gdk_x11_draw_text,
|
|
gdk_x11_draw_text_wc,
|
|
gdk_x11_draw_drawable,
|
|
gdk_x11_draw_points,
|
|
gdk_x11_draw_segments,
|
|
gdk_x11_draw_lines
|
|
};
|
|
|
|
/*****************************************************
|
|
* X11 specific implementations of generic functions *
|
|
*****************************************************/
|
|
|
|
GdkColormap*
|
|
gdk_drawable_get_colormap (GdkDrawable *drawable)
|
|
{
|
|
GdkDrawablePrivate *drawable_private;
|
|
XWindowAttributes window_attributes;
|
|
|
|
g_return_val_if_fail (drawable != NULL, NULL);
|
|
drawable_private = (GdkDrawablePrivate*) drawable;
|
|
|
|
if (!GDK_DRAWABLE_DESTROYED (drawable))
|
|
{
|
|
if (drawable_private->colormap == NULL &&
|
|
GDK_IS_WINDOW (drawable))
|
|
{
|
|
XGetWindowAttributes (GDK_DRAWABLE_XDISPLAY (drawable),
|
|
GDK_DRAWABLE_XID (drawable),
|
|
&window_attributes);
|
|
drawable_private->colormap = gdk_colormap_lookup (window_attributes.colormap);
|
|
}
|
|
|
|
return drawable_private->colormap;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
void
|
|
gdk_drawable_set_colormap (GdkDrawable *drawable,
|
|
GdkColormap *colormap)
|
|
{
|
|
GdkDrawablePrivate *drawable_private;
|
|
GdkColormapPrivateX *colormap_private;
|
|
|
|
g_return_if_fail (drawable != NULL);
|
|
g_return_if_fail (colormap != NULL);
|
|
|
|
drawable_private = (GdkDrawablePrivate *)drawable;
|
|
colormap_private = (GdkColormapPrivateX *)colormap;
|
|
|
|
if (!GDK_DRAWABLE_DESTROYED (drawable))
|
|
{
|
|
if (GDK_IS_WINDOW (drawable))
|
|
{
|
|
g_return_if_fail (colormap_private->base.visual !=
|
|
((GdkColormapPrivate *)(drawable_private->colormap))->visual);
|
|
|
|
XSetWindowColormap (GDK_DRAWABLE_XDISPLAY (drawable),
|
|
GDK_DRAWABLE_XID (drawable),
|
|
colormap_private->xcolormap);
|
|
}
|
|
|
|
if (drawable_private->colormap)
|
|
gdk_colormap_unref (drawable_private->colormap);
|
|
drawable_private->colormap = colormap;
|
|
gdk_colormap_ref (drawable_private->colormap);
|
|
|
|
if (GDK_IS_WINDOW (drawable) &&
|
|
drawable_private->window_type != GDK_WINDOW_TOPLEVEL)
|
|
gdk_window_add_colormap_windows (drawable);
|
|
}
|
|
}
|
|
|
|
/* Drawing
|
|
*/
|
|
static void
|
|
gdk_x11_drawable_destroy (GdkDrawable *drawable)
|
|
{
|
|
|
|
}
|
|
|
|
static void
|
|
gdk_x11_draw_rectangle (GdkDrawable *drawable,
|
|
GdkGC *gc,
|
|
gint filled,
|
|
gint x,
|
|
gint y,
|
|
gint width,
|
|
gint height)
|
|
{
|
|
if (filled)
|
|
XFillRectangle (GDK_DRAWABLE_XDISPLAY (drawable), GDK_DRAWABLE_XID (drawable),
|
|
GDK_GC_GET_XGC (gc), x, y, width, height);
|
|
else
|
|
XDrawRectangle (GDK_DRAWABLE_XDISPLAY (drawable), GDK_DRAWABLE_XID (drawable),
|
|
GDK_GC_GET_XGC (gc), x, y, width, height);
|
|
}
|
|
|
|
static void
|
|
gdk_x11_draw_arc (GdkDrawable *drawable,
|
|
GdkGC *gc,
|
|
gint filled,
|
|
gint x,
|
|
gint y,
|
|
gint width,
|
|
gint height,
|
|
gint angle1,
|
|
gint angle2)
|
|
{
|
|
if (filled)
|
|
XFillArc (GDK_DRAWABLE_XDISPLAY (drawable), GDK_DRAWABLE_XID (drawable),
|
|
GDK_GC_GET_XGC (gc), x, y, width, height, angle1, angle2);
|
|
else
|
|
XDrawArc (GDK_DRAWABLE_XDISPLAY (drawable), GDK_DRAWABLE_XID (drawable),
|
|
GDK_GC_GET_XGC (gc), x, y, width, height, angle1, angle2);
|
|
}
|
|
|
|
static void
|
|
gdk_x11_draw_polygon (GdkDrawable *drawable,
|
|
GdkGC *gc,
|
|
gint filled,
|
|
GdkPoint *points,
|
|
gint npoints)
|
|
{
|
|
XPoint *tmp_points;
|
|
gint tmp_npoints, i;
|
|
|
|
if (!filled &&
|
|
(points[0].x != points[npoints-1].x || points[0].y != points[npoints-1].y))
|
|
{
|
|
tmp_npoints = npoints + 1;
|
|
tmp_points = g_new (XPoint, tmp_npoints);
|
|
tmp_points[npoints].x = points[0].x;
|
|
tmp_points[npoints].y = points[0].y;
|
|
}
|
|
else
|
|
{
|
|
tmp_npoints = npoints;
|
|
tmp_points = g_new (XPoint, tmp_npoints);
|
|
}
|
|
|
|
for (i=0; i<npoints; i++)
|
|
{
|
|
tmp_points[i].x = points[i].x;
|
|
tmp_points[i].y = points[i].y;
|
|
}
|
|
|
|
if (filled)
|
|
XFillPolygon (GDK_DRAWABLE_XDISPLAY (drawable), GDK_DRAWABLE_XID (drawable),
|
|
GDK_GC_GET_XGC (gc), tmp_points, tmp_npoints, Complex, CoordModeOrigin);
|
|
else
|
|
XDrawLines (GDK_DRAWABLE_XDISPLAY (drawable), GDK_DRAWABLE_XID (drawable),
|
|
GDK_GC_GET_XGC (gc), tmp_points, tmp_npoints, CoordModeOrigin);
|
|
|
|
g_free (tmp_points);
|
|
}
|
|
|
|
/* gdk_x11_draw_text
|
|
*
|
|
* Modified by Li-Da Lho to draw 16 bits and Multibyte strings
|
|
*
|
|
* Interface changed: add "GdkFont *font" to specify font or fontset explicitely
|
|
*/
|
|
static void
|
|
gdk_x11_draw_text (GdkDrawable *drawable,
|
|
GdkFont *font,
|
|
GdkGC *gc,
|
|
gint x,
|
|
gint y,
|
|
const gchar *text,
|
|
gint text_length)
|
|
{
|
|
if (font->type == GDK_FONT_FONT)
|
|
{
|
|
XFontStruct *xfont = (XFontStruct *) GDK_FONT_XFONT (font);
|
|
XSetFont(GDK_DRAWABLE_XDISPLAY (drawable), GDK_GC_GET_XGC (gc), xfont->fid);
|
|
if ((xfont->min_byte1 == 0) && (xfont->max_byte1 == 0))
|
|
{
|
|
XDrawString (GDK_DRAWABLE_XDISPLAY (drawable), GDK_DRAWABLE_XID (drawable),
|
|
GDK_GC_GET_XGC (gc), x, y, text, text_length);
|
|
}
|
|
else
|
|
{
|
|
XDrawString16 (GDK_DRAWABLE_XDISPLAY (drawable), GDK_DRAWABLE_XID (drawable),
|
|
GDK_GC_GET_XGC (gc), x, y, (XChar2b *) text, text_length / 2);
|
|
}
|
|
}
|
|
else if (font->type == GDK_FONT_FONTSET)
|
|
{
|
|
XFontSet fontset = (XFontSet) GDK_FONT_XFONT (font);
|
|
XmbDrawString (GDK_DRAWABLE_XDISPLAY (drawable), GDK_DRAWABLE_XID (drawable),
|
|
fontset, GDK_GC_GET_XGC (gc), x, y, text, text_length);
|
|
}
|
|
else
|
|
g_error("undefined font type\n");
|
|
}
|
|
|
|
static void
|
|
gdk_x11_draw_text_wc (GdkDrawable *drawable,
|
|
GdkFont *font,
|
|
GdkGC *gc,
|
|
gint x,
|
|
gint y,
|
|
const GdkWChar *text,
|
|
gint text_length)
|
|
{
|
|
if (font->type == GDK_FONT_FONT)
|
|
{
|
|
XFontStruct *xfont = (XFontStruct *) GDK_FONT_XFONT (font);
|
|
gchar *text_8bit;
|
|
gint i;
|
|
XSetFont(GDK_DRAWABLE_XDISPLAY (drawable), GDK_GC_GET_XGC (gc), xfont->fid);
|
|
text_8bit = g_new (gchar, text_length);
|
|
for (i=0; i<text_length; i++) text_8bit[i] = text[i];
|
|
XDrawString (GDK_DRAWABLE_XDISPLAY (drawable), GDK_DRAWABLE_XID (drawable),
|
|
GDK_GC_GET_XGC (gc), x, y, text_8bit, text_length);
|
|
g_free (text_8bit);
|
|
}
|
|
else if (font->type == GDK_FONT_FONTSET)
|
|
{
|
|
if (sizeof(GdkWChar) == sizeof(wchar_t))
|
|
{
|
|
XwcDrawString (GDK_DRAWABLE_XDISPLAY (drawable), GDK_DRAWABLE_XID (drawable),
|
|
(XFontSet) GDK_FONT_XFONT (font),
|
|
GDK_GC_GET_XGC (gc), x, y, (wchar_t *)text, text_length);
|
|
}
|
|
else
|
|
{
|
|
wchar_t *text_wchar;
|
|
gint i;
|
|
text_wchar = g_new (wchar_t, text_length);
|
|
for (i=0; i<text_length; i++) text_wchar[i] = text[i];
|
|
XwcDrawString (GDK_DRAWABLE_XDISPLAY (drawable), GDK_DRAWABLE_XID (drawable),
|
|
(XFontSet) GDK_FONT_XFONT (font),
|
|
GDK_GC_GET_XGC (gc), x, y, text_wchar, text_length);
|
|
g_free (text_wchar);
|
|
}
|
|
}
|
|
else
|
|
g_error("undefined font type\n");
|
|
}
|
|
|
|
static void
|
|
gdk_x11_draw_drawable (GdkDrawable *drawable,
|
|
GdkGC *gc,
|
|
GdkPixmap *src,
|
|
gint xsrc,
|
|
gint ysrc,
|
|
gint xdest,
|
|
gint ydest,
|
|
gint width,
|
|
gint height)
|
|
{
|
|
int src_depth = gdk_drawable_get_depth (src);
|
|
int dest_depth = gdk_drawable_get_depth (drawable);
|
|
|
|
if (src_depth == 1)
|
|
{
|
|
XCopyArea (GDK_DRAWABLE_XDISPLAY (drawable),
|
|
GDK_DRAWABLE_XID (src),
|
|
GDK_DRAWABLE_XID (drawable),
|
|
GDK_GC_GET_XGC (gc),
|
|
xsrc, ysrc,
|
|
width, height,
|
|
xdest, ydest);
|
|
}
|
|
else if (dest_depth != 0 && src_depth == dest_depth)
|
|
{
|
|
XCopyArea (GDK_DRAWABLE_XDISPLAY (drawable),
|
|
GDK_DRAWABLE_XID (src),
|
|
GDK_DRAWABLE_XID (drawable),
|
|
GDK_GC_GET_XGC (gc),
|
|
xsrc, ysrc,
|
|
width, height,
|
|
xdest, ydest);
|
|
}
|
|
else
|
|
g_warning ("Attempt to copy between drawables of mismatched depths!\n");
|
|
}
|
|
|
|
static void
|
|
gdk_x11_draw_points (GdkDrawable *drawable,
|
|
GdkGC *gc,
|
|
GdkPoint *points,
|
|
gint npoints)
|
|
{
|
|
/* We special-case npoints == 1, because X will merge multiple
|
|
* consecutive XDrawPoint requests into a PolyPoint request
|
|
*/
|
|
if (npoints == 1)
|
|
{
|
|
XDrawPoint (GDK_DRAWABLE_XDISPLAY (drawable),
|
|
GDK_DRAWABLE_XID (drawable),
|
|
GDK_GC_GET_XGC (gc),
|
|
points[0].x, points[0].y);
|
|
}
|
|
else
|
|
{
|
|
gint i;
|
|
XPoint *tmp_points = g_new (XPoint, npoints);
|
|
|
|
for (i=0; i<npoints; i++)
|
|
{
|
|
tmp_points[i].x = points[i].x;
|
|
tmp_points[i].y = points[i].y;
|
|
}
|
|
|
|
XDrawPoints (GDK_DRAWABLE_XDISPLAY (drawable),
|
|
GDK_DRAWABLE_XID (drawable),
|
|
GDK_GC_GET_XGC (gc),
|
|
tmp_points,
|
|
npoints,
|
|
CoordModeOrigin);
|
|
|
|
g_free (tmp_points);
|
|
}
|
|
}
|
|
|
|
static void
|
|
gdk_x11_draw_segments (GdkDrawable *drawable,
|
|
GdkGC *gc,
|
|
GdkSegment *segs,
|
|
gint nsegs)
|
|
{
|
|
/* We special-case nsegs == 1, because X will merge multiple
|
|
* consecutive XDrawLine requests into a PolySegment request
|
|
*/
|
|
if (nsegs == 1)
|
|
{
|
|
XDrawLine (GDK_DRAWABLE_XDISPLAY (drawable), GDK_DRAWABLE_XID (drawable),
|
|
GDK_GC_GET_XGC (gc), segs[0].x1, segs[0].y1,
|
|
segs[0].x2, segs[0].y2);
|
|
}
|
|
else
|
|
{
|
|
gint i;
|
|
XSegment *tmp_segs = g_new (XSegment, nsegs);
|
|
|
|
for (i=0; i<nsegs; i++)
|
|
{
|
|
tmp_segs[i].x1 = segs[i].x1;
|
|
tmp_segs[i].x2 = segs[i].x2;
|
|
tmp_segs[i].y1 = segs[i].y1;
|
|
tmp_segs[i].y2 = segs[i].y2;
|
|
}
|
|
|
|
XDrawSegments (GDK_DRAWABLE_XDISPLAY (drawable),
|
|
GDK_DRAWABLE_XID (drawable),
|
|
GDK_GC_GET_XGC (gc),
|
|
tmp_segs, nsegs);
|
|
|
|
g_free (tmp_segs);
|
|
}
|
|
}
|
|
|
|
static void
|
|
gdk_x11_draw_lines (GdkDrawable *drawable,
|
|
GdkGC *gc,
|
|
GdkPoint *points,
|
|
gint npoints)
|
|
{
|
|
gint i;
|
|
XPoint *tmp_points = g_new (XPoint, npoints);
|
|
|
|
for (i=0; i<npoints; i++)
|
|
{
|
|
tmp_points[i].x = points[i].x;
|
|
tmp_points[i].y = points[i].y;
|
|
}
|
|
|
|
XDrawLines (GDK_DRAWABLE_XDISPLAY (drawable),
|
|
GDK_DRAWABLE_XID (drawable),
|
|
GDK_GC_GET_XGC (gc),
|
|
tmp_points, npoints,
|
|
CoordModeOrigin);
|
|
|
|
g_free (tmp_points);
|
|
}
|