bigger alpha-numerics
Just a little bit of software I'm playing with , might be of interest
to someone.
This simply produces larger letters , including digits , without loading
a dedicated font from disk or memory. Useful , perhaps , in the higher
resolution screen modes.
Net-Tamer V 1.11 - Test Drive
-------------------------------------------------------------------------
----| bfurniss at ihug.co.nz |----
----| 21 may 2000 |----
-- General Character Enlargement.
-- and
-- High Resolution Charts [ graphs ]
-- Progress Bar ?
-------------------------------------------------------------------------
include graphics.e
include machine.e
include get.e
integer MODE--,u
atom x1,x2,y1,y2,pi,SCALE_X,SCALE_Y,SPACE_X,SPACE_Y,radius
object gm,s,t,av
gm=255 t=repeat(repeat({},16),gm) av=repeat({},gm) s=repeat({},16)
gm=0
pi=4*arctan(1)
x1=1 x2=1 y1=1 y2=1 pi=4*arctan(1) radius=12
-------------------------------------------------------------------------
use_vesa(1)
MODE=259
MODE=261
----------------------
if MODE=259 then
SCALE_Y=1.5
SCALE_X=1.2
SCALE_Y=1.8
SCALE_X=1.4
SPACE_X=12
elsif MODE=261 then
SCALE_Y=2
SCALE_X=2
SPACE_X=14
SPACE_Y=14
SCALE_Y=2
SCALE_X=2
SPACE_X=17
SPACE_Y=22
radius=.2
SCALE_Y=20
SCALE_X=20
SPACE_X=170
SPACE_Y=220
radius=8
end if
----------------------
gm=graphics_mode(MODE)
text_color(15) bk_color(1)
-------------------------------------------------------------------------
procedure bead(atom u1,atom v1,atom u2,atom v2,atom r)
-- draw a string of beads.
atom x,y
x=0 y=0
for t=0 to 1 by 0.1 do
x=u1+(u2-u1)*t
y=v1+(v2-v1)*t
ellipse(15,1,{x,y},{x+r,y+r})
pixel(15,{x,y})
end for
end procedure
-------------------------------------------------------------------------
function char_map(sequence a)
-- character to sequence.
sequence w
w=repeat({},16)
position(1,1)
printf(1,"%s",{a})
for i=1 to 16 do
w[i]=get_pixel({0,i-1,8})
end for
return w
end function
-------------------------------------------------------------------------
procedure char_show(sequence a)
-- show character sequence.
for i=1 to 16 do
pixel(a[i],{42,i-1})
end for
end procedure
-------------------------------------------------------------------------
procedure char_show2(integer h,integer j,sequence a)
-- show character sequence.
for i=1 to 16 do
pixel(a[i],{42+h,j+i-1})
end for
end procedure
-------------------------------------------------------------------------
function f1(atom g)
-- j --> x
return x2+SCALE_X*g
end function
----------------------------------------------------
function f2(atom g)
-- i --> y
return y2+SCALE_Y*g
end function
----------------------------------------------------
----------------------------------------------------------------------------
procedure char_line(sequence a,integer colour)
-- connect lines between adjacent dots.
atom x,y,b,c,d,e
integer k,l,m,n
sequence status
sequence u,v
b=0 c=0 d=0 e=0
u=repeat(0,9) v=u
status=repeat(0,9)
for i=1 to 16 do
for j=1 to 8 do
for p=1 to 9 do
status[p]=0
end for
if a[i][j]!=0 then -- a:
-- 1
status[1]=1
x=f1(j)
y=f2(i)
pixel(15,{x,y})
k=i-1
if k<1 then k=1 end if
l=i+1
if l>16 then l=16 end if
m=j-1
if m<1 then m=1 end if
n=j+1
if n>8 then n=8 end if
if a[k][j]!=0 then
-- 2
u[2]=f1(j) v[2]=f2(k)
status[2]=1
-- draw_line(15,{{x,y},{u[2],v[2]}})
bead(x,y,u[2],v[2],radius)
end if
if a[i][m]!=0 then
-- 3
u[3]=f1(m) v[3]=f2(i)
status[3]=1
bead(x,y,u[3],v[3],radius)
-- draw_line(15,{{x,y},{u[3],v[3]}})
end if
if a[l][j]!=0 then
-- 4
u[4]=f1(j) v[4]=f2(l)
status[4]=1
bead(x,y,u[4],v[4],radius)
-- draw_line(15,{{x,y},{u[4],v[4]}})
end if
if a[i][n]!=0 then
-- 5
u[5]=f1(n) v[5]=f2(i)
status[5]=1
bead(x,y,u[5],v[5],radius)
-- draw_line(15,{{x,y},{u[5],v[5]}})
end if
if a[k][m]!=0 then
-- 6
u[6]=f1(m) v[6]=f2(k)
status[6]=1
bead(x,y,u[6],v[6],radius)
-- draw_line(15,{{x,y},{u[6],v[6]}})
end if
if a[k][n]!=0 then
-- 7
u[7]=f1(n) v[7]=f2(k)
status[7]=1
bead(x,y,u[7],v[7],radius)
-- draw_line(15,{{x,y},{u[7],v[7]}})
end if
if a[l][m]!=0 then
-- 8
u[8]=f1(m) v[8]=f2(l)
status[8]=1
bead(x,y,u[8],v[8],radius)
-- draw_line(15,{{x,y},{u[8],v[8]}})
end if
if a[l][n]!=0 then
-- 9
u[9]=f1(n) v[9]=f2(l)
status[9]=1
bead(x,y,u[9],v[9],radius)
-- draw_line(15,{{x,y},{u[9],v[9]}})
end if
------------------------------------------
-- if status[3]=1 and status[4]=1 then
-- polygon(colour,1,{{x,y},{u[3],v[3]},{u[4],v[4]},{x,y}})
-- end if
-- if status[4]=1 and status[5]=1 then
-- polygon(colour,1,{{x,y},{u[4],v[4]},{u[5],v[5]},{x,y}})
-- end if
-- if status[2]=1 and status[3]=1 then
-- polygon(colour,1,{{x,y},{u[2],v[2]},{u[3],v[3]},{x,y}})
-- end if
-- if status[2]=1 and status[5]=1 then
-- polygon(colour,1,{{x,y},{u[2],v[2]},{u[5],v[5]},{x,y}})
-- end if
------------------------------------------
end if -- a'
end for
end for
end procedure
----------------------------------------------------------------------------
procedure xchar_sized(sequence a,integer x1,integer y1,atom x_size,atom y_si
ze)
-- character bigger/smaller
atom x,y,u,v,scale
scale=.4
scale=.2
-- scale=.39
x=0 y=0 u=0 v=0
for i=1 to 16 do
y=y1+y_size*(i-scale)
v=y+y_size*scale*2
y=floor(y) v=floor(v)
for j=1 to 8 do
x=x1+x_size*(j-scale)
u=x+x_size*scale*2
x=floor(x) u=floor(u)
if a[i][j]!=0 then
ellipse(12,0,{x,y},{u,v})
end if
end for
end for
for i=1 to 16 do
y=y1+y_size*(i-scale)
v=y+y_size*scale*2
y=floor(y) v=floor(v)
for j=1 to 8 do
x=x1+x_size*(j-scale)
u=x+x_size*scale*2
x=floor(x) u=floor(u)
if a[i][j]!=0 then
ellipse(a[i][j],1,{x,y},{u,v})
end if
end for
end for
end procedure
-------------------------------------------------------------------------
procedure char_sized(sequence a,integer x1,integer y1,atom x_size,atom y_siz
e,
integer chrome)
-- character bigger/smaller
atom x,y,u,v,scale
scale=.4
-- scale=.39
x=0 y=0 u=0 v=0
for i=1 to 16 do
y=y1+y_size*i
v=y+1
y=floor(y) v=floor(v)
for j=1 to 8 do
x=x1+x_size*j
u=x+1
x=floor(x) u=floor(u)
if a[i][j]!=0 then
-- pixel(15,{x-1,y})
-- pixel(15,{x,y-1})
-- pixel(15,{x+1,y})
pixel(chrome,{x,y+1})
-- pixel(chrome,{x,y+.5})
pixel(chrome,{x,y})
-- ellipse(a[i][j],1,{x,y},{u,v})
end if
end for
end for
end procedure
-------------------------------------------------------------------------
procedure generate()
-- generate ASCII for av,
-- and pixel map for s.
for p=1 to length(av) do
av[p]=sprintf("%s", p-1)
t[p]= char_map(av[p])
end for
end procedure
-------------------------------------------------------------------------
procedure show3(sequence ag,atom x2,atom y2,integer steel)
--
integer k
k=0
if sequence(ag) then
for i=1 to length(ag) do
k=find(ag[i..i],av)
-- char_sized(t[k],x2+10*i-10,y2,1,1.45)
char_sized(t[k],x2+10*i-10,y2,1,1.6,steel)
-- char_sized(t[k],x2+10*i-10,y2,1,1.42)
end for
end if
end procedure
-------------------------------------------------------------------------
procedure ascii()
for j=1 to 5 do
for i=1 to length(av)/5 do
char_show2(i*12-24,j*18,t[i+(j-1)*length(av)/5])
end for
end for
end procedure
-------------------------------------------------------------------------
global procedure chart(sequence a,integer u1,integer v1,integer u_wide,
integer u_high,integer gold)
-- chart function.
atom u,v
u=0 v=0
s={}
s="f(t)=x(t)+y(t)"
s=a
x1=u1-19 x2=u1+u_wide+19 y1=v1-20 y2=v1+u_high+20
x1=u1 x2=u1+u_wide y1=v1-2 y2=v1+u_high-80+2
x1=u1 x2=u1+u_wide y1=v1 y2=v1+u_high-80
show3(s,u1,v1+u_high-70,gold)
x1=u1 x2=u1+u_wide y1=v1 y2=v1+u_high-80
---------------------
u=x1 v=y1
s=0.5*(1+sin(2*pi*(u-x1)/(x2-x1)))*(y2-y1)+y1
for x=x1 to x2 do
gm=0.5*(1+sin(2*pi*(x-x1)/(x2-x1)))*(y2-y1)+y1
draw_line(15,{{x,gm},{u,s}})
-- pixel(15,{x,s})
u=x s=gm
end for
---------------------
end procedure
-------------------------------------------------------------------------
procedure key_in()
-- type characters using settable fonts.
atom u1,v1,k,u
u1=4 v1=40 k=0 u=0
s=-1
while k!=27 do
s=get_key()
if atom(s) then
k=s
end if
if k=13 then
v1=v1+SPACE_Y u1=4
elsif k!=-1 then
s=sprintf("%s",s)
-- show3(s,u1,v1)
u=find(s,av)
-- char_sized(t[u],u1,v1,SCALE_X,SCALE_Y,15)
-- x2=u1 y2=v1
-- xchar_sized(t[u],u1,v1,SCALE_X,SCALE_Y)
char_line(t[u],15)
u1=u1+SPACE_X
elsif k=27 then
exit
else
end if
end while
end procedure
----------------------------------------------------------------------------
procedure m1()
generate()
x1=8 y1=80
s="f(t)=x(t)+y(t)"
chart(s,80,100,200,300,10)
s="x(t)=sin(t)"
chart(s,200,20,340,360,15)
end procedure
-------------------------------------------------------------------------
procedure m2()
generate()
-- ascii()
------
x1=8 y1=80
-- s=sprintf("%s",s)
-- s="Z"
-- position(12,8)
-- printf(1,"%s",s)
-- u=find(s,av)
------
--x2=x1 y2=y1
--char_line(t[u],15)
-- char_sized(t[u],u1,v1,SCALE_X,SCALE_Y)
s="f(t)=x(t)+y(t)"
chart(s,80,100,200,300,10)
s="x(t)=sin(t)"
-- chart(s,200,20,340,360,15)
--key_in()
end procedure
-------------------------------------------------------------------------
-------------------------------------------------------------------------
m1()
use_vesa(0)
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