diff options
Diffstat (limited to 'gdk/gdkdraw.c')
| -rw-r--r-- | gdk/gdkdraw.c | 383 |
1 files changed, 383 insertions, 0 deletions
diff --git a/gdk/gdkdraw.c b/gdk/gdkdraw.c new file mode 100644 index 000000000..47482f72e --- /dev/null +++ b/gdk/gdkdraw.c @@ -0,0 +1,383 @@ +/* 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., 675 Mass Ave, Cambridge, MA 02139, USA. + */ +#include <X11/Xlib.h> +#include <X11/Xos.h> +#include "gdk.h" +#include "gdkprivate.h" + + +void +gdk_draw_point (GdkDrawable *drawable, + GdkGC *gc, + gint x, + gint y) +{ + GdkWindowPrivate *drawable_private; + GdkGCPrivate *gc_private; + + g_return_if_fail (drawable != NULL); + g_return_if_fail (gc != NULL); + + drawable_private = (GdkWindowPrivate*) drawable; + gc_private = (GdkGCPrivate*) gc; + + XDrawPoint (drawable_private->xdisplay, drawable_private->xwindow, + gc_private->xgc, x, y); +} + +void +gdk_draw_line (GdkDrawable *drawable, + GdkGC *gc, + gint x1, + gint y1, + gint x2, + gint y2) +{ + GdkWindowPrivate *drawable_private; + GdkGCPrivate *gc_private; + + g_return_if_fail (drawable != NULL); + g_return_if_fail (gc != NULL); + + drawable_private = (GdkWindowPrivate*) drawable; + gc_private = (GdkGCPrivate*) gc; + + XDrawLine (drawable_private->xdisplay, drawable_private->xwindow, + gc_private->xgc, x1, y1, x2, y2); +} + +void +gdk_draw_rectangle (GdkDrawable *drawable, + GdkGC *gc, + gint filled, + gint x, + gint y, + gint width, + gint height) +{ + GdkWindowPrivate *drawable_private; + GdkGCPrivate *gc_private; + + g_return_if_fail (drawable != NULL); + g_return_if_fail (gc != NULL); + + drawable_private = (GdkWindowPrivate*) drawable; + gc_private = (GdkGCPrivate*) gc; + + if (width == -1) + width = drawable_private->width; + if (height == -1) + height = drawable_private->height; + + if (filled) + XFillRectangle (drawable_private->xdisplay, drawable_private->xwindow, + gc_private->xgc, x, y, width, height); + else + XDrawRectangle (drawable_private->xdisplay, drawable_private->xwindow, + gc_private->xgc, x, y, width, height); +} + +void +gdk_draw_arc (GdkDrawable *drawable, + GdkGC *gc, + gint filled, + gint x, + gint y, + gint width, + gint height, + gint angle1, + gint angle2) +{ + GdkWindowPrivate *drawable_private; + GdkGCPrivate *gc_private; + + g_return_if_fail (drawable != NULL); + g_return_if_fail (gc != NULL); + + drawable_private = (GdkWindowPrivate*) drawable; + gc_private = (GdkGCPrivate*) gc; + + if (width == -1) + width = drawable_private->width; + if (height == -1) + height = drawable_private->height; + + if (filled) + XFillArc (drawable_private->xdisplay, drawable_private->xwindow, + gc_private->xgc, x, y, width, height, angle1, angle2); + else + XDrawArc (drawable_private->xdisplay, drawable_private->xwindow, + gc_private->xgc, x, y, width, height, angle1, angle2); +} + +void +gdk_draw_polygon (GdkDrawable *drawable, + GdkGC *gc, + gint filled, + GdkPoint *points, + gint npoints) +{ + GdkWindowPrivate *drawable_private; + GdkGCPrivate *gc_private; + + g_return_if_fail (drawable != NULL); + g_return_if_fail (gc != NULL); + + drawable_private = (GdkWindowPrivate*) drawable; + gc_private = (GdkGCPrivate*) gc; + + if (filled) + { + XFillPolygon (drawable_private->xdisplay, drawable_private->xwindow, + gc_private->xgc, (XPoint*) points, npoints, Complex, CoordModeOrigin); + } + else + { + XDrawLines (drawable_private->xdisplay, drawable_private->xwindow, + gc_private->xgc, (XPoint*) points, npoints, CoordModeOrigin); + + if ((points[0].x != points[npoints-1].x) || + (points[0].y != points[npoints-1].y)) + XDrawLine (drawable_private->xdisplay, drawable_private->xwindow, + gc_private->xgc, points[npoints-1].x, points[npoints-1].y, + points[0].x, points[0].y); + } +} + +/* gdk_draw_string + * + * Modified by Li-Da Lho to draw 16 bits and Multibyte strings + * + * Interface changed: add "GdkFont *font" to specify font or fontset explicitely + */ +void +gdk_draw_string (GdkDrawable *drawable, + GdkFont *font, + GdkGC *gc, + gint x, + gint y, + const gchar *string) +{ + GdkWindowPrivate *drawable_private; + GdkFontPrivate *font_private; + GdkGCPrivate *gc_private; + + g_return_if_fail (drawable != NULL); + g_return_if_fail (font != NULL); + g_return_if_fail (gc != NULL); + g_return_if_fail (string != NULL); + + drawable_private = (GdkWindowPrivate*) drawable; + gc_private = (GdkGCPrivate*) gc; + font_private = (GdkFontPrivate*) font; + + if (font->type == GDK_FONT_FONT) + { + XFontStruct *xfont = (XFontStruct *) font_private->xfont; + XSetFont(drawable_private->xdisplay, gc_private->xgc, xfont->fid); + if ((xfont->min_byte1 == 0) && (xfont->max_byte1 == 0)) + { + XDrawString (drawable_private->xdisplay, drawable_private->xwindow, + gc_private->xgc, x, y, string, strlen (string)); + } + else + { + XDrawString16 (drawable_private->xdisplay, drawable_private->xwindow, + gc_private->xgc, x, y, (XChar2b *) string, + strlen (string) / 2); + } + } + else if (font->type == GDK_FONT_FONTSET) + { + XFontSet fontset = (XFontSet) font_private->xfont; + XmbDrawString (drawable_private->xdisplay, drawable_private->xwindow, + fontset, gc_private->xgc, x, y, string, strlen (string)); + } + else + g_error("undefined font type\n"); +} + +/* gdk_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 + */ +void +gdk_draw_text (GdkDrawable *drawable, + GdkFont *font, + GdkGC *gc, + gint x, + gint y, + const gchar *text, + gint text_length) +{ + GdkWindowPrivate *drawable_private; + GdkFontPrivate *font_private; + GdkGCPrivate *gc_private; + + g_return_if_fail (drawable != NULL); + g_return_if_fail (font != NULL); + g_return_if_fail (gc != NULL); + g_return_if_fail (text != NULL); + + drawable_private = (GdkWindowPrivate*) drawable; + gc_private = (GdkGCPrivate*) gc; + font_private = (GdkFontPrivate*) font; + + if (font->type == GDK_FONT_FONT) + { + XFontStruct *xfont = (XFontStruct *) font_private->xfont; + XSetFont(drawable_private->xdisplay, gc_private->xgc, xfont->fid); + if ((xfont->min_byte1 == 0) && (xfont->max_byte1 == 0)) + { + XDrawString (drawable_private->xdisplay, drawable_private->xwindow, + gc_private->xgc, x, y, text, text_length); + } + else + { + XDrawString16 (drawable_private->xdisplay, drawable_private->xwindow, + gc_private->xgc, x, y, (XChar2b *) text, text_length / 2); + } + } + else if (font->type == GDK_FONT_FONTSET) + { + XFontSet fontset = (XFontSet) font_private->xfont; + XmbDrawString (drawable_private->xdisplay, drawable_private->xwindow, + fontset, gc_private->xgc, x, y, text, text_length); + } + else + g_error("undefined font type\n"); +} + +void +gdk_draw_pixmap (GdkDrawable *drawable, + GdkGC *gc, + GdkPixmap *src, + gint xsrc, + gint ysrc, + gint xdest, + gint ydest, + gint width, + gint height) +{ + GdkWindowPrivate *drawable_private; + GdkWindowPrivate *src_private; + GdkGCPrivate *gc_private; + + g_return_if_fail (drawable != NULL); + g_return_if_fail (src != NULL); + g_return_if_fail (gc != NULL); + + drawable_private = (GdkWindowPrivate*) drawable; + src_private = (GdkWindowPrivate*) src; + gc_private = (GdkGCPrivate*) gc; + + if (width == -1) + width = src_private->width; + if (height == -1) + height = src_private->height; + + XCopyArea (drawable_private->xdisplay, + src_private->xwindow, + drawable_private->xwindow, + gc_private->xgc, + xsrc, ysrc, + width, height, + xdest, ydest); +} + +void +gdk_draw_image (GdkDrawable *drawable, + GdkGC *gc, + GdkImage *image, + gint xsrc, + gint ysrc, + gint xdest, + gint ydest, + gint width, + gint height) +{ + GdkImagePrivate *image_private; + + g_return_if_fail (drawable != NULL); + g_return_if_fail (image != NULL); + g_return_if_fail (gc != NULL); + + image_private = (GdkImagePrivate*) image; + + g_return_if_fail (image_private->image_put != NULL); + + if (width == -1) + width = image->width; + if (height == -1) + height = image->height; + + (* image_private->image_put) (drawable, gc, image, xsrc, ysrc, + xdest, ydest, width, height); +} + +void +gdk_draw_points (GdkDrawable *drawable, + GdkGC *gc, + GdkPoint *points, + gint npoints) +{ + GdkWindowPrivate *drawable_private; + GdkGCPrivate *gc_private; + + g_return_if_fail (drawable != NULL); + g_return_if_fail ((points != NULL) && (npoints > 0)); + g_return_if_fail (gc != NULL); + + drawable_private = (GdkWindowPrivate*) drawable; + gc_private = (GdkGCPrivate*) gc; + + XDrawPoints (drawable_private->xdisplay, + drawable_private->xwindow, + gc_private->xgc, + (XPoint *) points, + npoints, + CoordModeOrigin); +} + +void +gdk_draw_segments (GdkDrawable *drawable, + GdkGC *gc, + GdkSegment *segs, + gint nsegs) +{ + GdkWindowPrivate *drawable_private; + GdkGCPrivate *gc_private; + + if (nsegs <= 0) + return; + + g_return_if_fail (drawable != NULL); + g_return_if_fail (segs != NULL); + g_return_if_fail (gc != NULL); + + drawable_private = (GdkWindowPrivate*) drawable; + gc_private = (GdkGCPrivate*) gc; + + XDrawSegments (drawable_private->xdisplay, + drawable_private->xwindow, + gc_private->xgc, + (XSegment *) segs, + nsegs); +} |