storm/w3m
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

[w3m-dev 03931] Re: clear image

Browse Source 
* w3mimgdisplay.c (ClearImage): offset
* w3mimg/fb/fb.c (fb_clear): memcpy by pixel_size
From: Hironori SAKAMOTO <hsaka@mth.biglobe.ne.jp>
This commit is contained in:
Fumitoshi UKAI
2003-07-08 17:29:56 +00:00
parent 851c96514f
commit 34378b4a46
3 changed files with 17 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
w3mimg/fb/fb.c
View File

@@ -1,4 +1,4 @@
/* $Id: fb.c,v 1.11 2003/07/07 15:49:39 ukai Exp $ */
/* $Id: fb.c,v 1.12 2003/07/08 17:29:56 ukai Exp $ */
/**************************************************************************
fb.c 0.3 Copyright (C) 2002, hito
**************************************************************************/
@@ -368,8 +368,8 @@ fb_height(void)
int
fb_clear(int x, int y, int w, int h, int r, int g, int b)
{
unsigned long bg;
int i, offset_fb;
unsigned long work;
int i, j, offset_fb;
if (is_open != TRUE || x > fb_width() || y > fb_height())
return 1;
@@ -379,11 +379,12 @@ fb_clear(int x, int y, int w, int h, int r, int g, int b)
h = fb_height() - y;
offset_fb = fscinfo.line_length * y + pixel_size * x;
bg = ((r >> (CHAR_BIT - vscinfo.red.length)) << vscinfo.red.offset) +
((g >> (CHAR_BIT - vscinfo.green.length)) << vscinfo.green.offset) +
((b >> (CHAR_BIT - vscinfo.blue.length)) << vscinfo.blue.offset);
work = ((r >> (CHAR_BIT - vscinfo.red.length)) << vscinfo.red.offset) +
((g >> (CHAR_BIT - vscinfo.green.length)) << vscinfo.green.offset) +
((b >> (CHAR_BIT - vscinfo.blue.length)) << vscinfo.blue.offset);
for (i = 0; i < h; i++) {
memcpy(buf + offset_fb, bg, pixel_size * w);
for (j = 0; j < w; j++)
memcpy(buf + offset_fb + pixel_size * j, &work, pixel_size);
offset_fb += fscinfo.line_length;
}
return 0;