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Corretto scrolling orizzontale background

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git-svn-id: svn://10.65.10.50/trunk@2439 c028cbd2-c16b-5b4b-a496-9718f37d4682
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villa 1996-01-12 11:29:51 +00:00
parent 1b0596fb89
commit 04c9d7c1ae
1 changed files with 17 additions and 9 deletions
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12
include/viswin.cpp
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@ -707,6 +707,10 @@ void TViswin::paint_background (
PNT b, e; PNT b, e;
int cnt = 0; int cnt = 0;
char ch; char ch;
bool isbeg = FALSE;
bool isend = FALSE;
while ((ch = rwd[cnt++]) != '\0') while ((ch = rwd[cnt++]) != '\0')
{ {
switch (ch) switch (ch)
@ -763,14 +767,18 @@ void TViswin::paint_background (
case 'r': // orizzontale scorciata agli estremi case 'r': // orizzontale scorciata agli estremi
x1 = (byte) rwd[cnt++]; x1 = (byte) rwd[cnt++];
x2 = (byte) rwd[cnt++]; x2 = (byte) rwd[cnt++];
isbeg = ox <= (x1-1);
isend = mx >= (x2-1);
if (x1 <= mx && x2 >= ox) if (x1 <= mx && x2 >= ox)
{ {
x1 += (X_OFFSET -1) - ox; x1 += (X_OFFSET -1) - ox;
if (x1 < X_OFFSET) x1 = X_OFFSET; if (x1 < X_OFFSET) x1 = X_OFFSET;
x2 += (X_OFFSET -1) - ox; x2 += (X_OFFSET -1) - ox;
b.v = e.v = taby(2*row+1) / 2; b.v = e.v = taby(2*row+1) / 2;
b.h = tabx(2*x1+1) / 2; if (isbeg) b.h = tabx(2*x1+1) / 2;
e.h = tabx(2*x2+1) / 2; else b.h = tabx(x1);
if (isend) e.h = tabx(2*x2+1) / 2;
else e.h = tabx(x2 +1);
xvt_dwin_draw_set_pos(win(), b); xvt_dwin_draw_set_pos(win(), b);
xvt_dwin_draw_line(win(), e); xvt_dwin_draw_line(win(), e);
} }