mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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bc93903d01
Original commit message from CVS: Added the base framework for the SMPTE transitions and wipes.
52 lines
1.4 KiB
C
52 lines
1.4 KiB
C
/* GStreamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include "paint.h"
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void
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gst_smpte_paint_rect (guint8 *dest, gint stride, gint x, gint y, gint w, gint h, guint8 color)
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{
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guint8 *d = dest + stride * y + x;
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gint i;
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for (i = 0; i < h; i++) {
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memset (d, color, w);
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d += stride;
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}
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}
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void
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gst_smpte_paint_rect_s (guint8 *dest, gint stride, gint x, gint y, gint w, gint h, guint8 color)
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{
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guint8 *d = dest + stride * y + x;
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gint i, j;
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gint border = 100;
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for (i = 0; i < h; i++) {
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if (w - border > 0) {
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memset (d, color, w - border);
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}
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for (j = 0; j < border - w; j++) {
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*(d+w+j) = (color*(border-j)/border);
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}
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d += stride;
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}
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}
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