A2osX/LIB/LIBGUI.S.DRAW.txt
2020-10-27 17:33:10 +01:00

561 lines
9.4 KiB
Plaintext
Raw Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

NEW
AUTO 3,1
*--------------------------------------
* drawline(short int hWND, short int OP, short int COLOR, int X1, int Y1, int X2, int X2)
*--------------------------------------
DrawLine jsr DRAW.PullY2X2Y1X1
>PULLB CB.Cache+S.CB.COLOR
>PULLB CB.Cache+S.CB.OP
jsr DRAW.PullWND
lda CB.Cache+S.CB.X2
sec
sbc CB.Cache+S.CB.X1
sta DX
lda CB.Cache+S.CB.X2+1
sbc CB.Cache+S.CB.X1+1
sta DX+1 DX = X2 - X1
bmi .1 DX < 0....
ora DX
bne .2 DX > 0...
lda #S.CB.CMD.VLINE DX=0 : VLINE Y1,Y2 At X1
bra .20
*--------------------------------------
.1 >SWAP16 CB.Cache+S.CB.X1,CB.Cache+S.CB.X2
>SWAP16 CB.Cache+S.CB.Y1,CB.Cache+S.CB.Y2
>NOT16 DX swap X1/X2, Y1/Y2, set DX=-DX (DX positive)
.2 lda #1
sta IY
lda CB.Cache+S.CB.Y2
sec
sbc CB.Cache+S.CB.Y1
sta DY
lda CB.Cache+S.CB.Y2+1
sbc CB.Cache+S.CB.Y1+1
sta DY+1 DY = Y2 - Y1
bmi .3 DY < 0 ...
ora DY
bne .4
lda #S.CB.CMD.HLINE DY=0 : HLINE X1,X2 At Y1
.20 sta CB.Cache+S.CB.CMD
jsr CLIP.CB.Cache
bcs .8
jmp GFXWrite.CB
.8 rts
*--------------------------------------
.3 >NOT16 DY set DY=-DY
lda #$ff
sta IY set IY=-1
.4 jsr CLIP.Line
bcs .8
lda #S.CB.CMD.SETPIXEL
sta CB.Cache+S.CB.CMD
jsr GFXWrite.CB
lda DX
sec
sbc DY
tax
lda DX+1
sbc DY+1
bmi DrawLine.IncY DY is greater than DX, we will increase on Y axis
txa
beq DrawLine.IncXY DX=DY, go inc X & Y
jmp DrawLine.IncX DY is lower than DX, we will increase on X axis
*--------------------------------------
DrawLine.IncXY lda DX DX=DY
eor #$ff
sta Counter
lda DX+1
eor #$ff
sta Counter+1
.1 inc Counter
bne .2
inc Counter+1
beq .8
.2 inc CB.Cache+S.CB.X1
bne .3
inc CB.Cache+S.CB.X1+1
.3 lda CB.Cache+S.CB.Y1 Y1=Y1+IY
clc
adc IY
sta CB.Cache+S.CB.Y1
jsr GFXWrite.CB
bra .1
.8 rts
*--------------------------------------
DrawLine.IncY lda DY
eor #$ff
sta Counter
lda DY+1
eor #$ff
sta Counter+1
lda DX IE=2*DX
asl
sta IE
pha
lda DX+1
rol
sta IE+1
tax
pla D=IE-DY
sec
sbc DY
sta D
txa
sbc DY+1
sta D+1
lda DX INE=2*(DX-DY)
sec
sbc DY
pha
lda DX+1
sbc DY+1
tax
pla
asl
sta INE
txa
rol
sta INE+1
.1 inc Counter
bne .2
inc Counter+1
beq .8
.2 lda D+1 IF D < 0 ...
bmi .4
lda D D > 0 : D=D+INE
clc
adc INE
sta D
lda D+1
adc INE+1
sta D+1
inc CB.Cache+S.CB.X1 X1=X1+1
bne .5
inc CB.Cache+S.CB.X1+1
bra .5
.4 lda D D > 0 : D=D+IE
clc
adc IE
sta D
lda D+1
adc IE+1
sta D+1
.5 lda CB.Cache+S.CB.Y1 Y1=Y1+IY
clc
adc IY
sta CB.Cache+S.CB.Y1
jsr GFXWrite.CB
bra .1
.8 rts
*--------------------------------------
DrawLine.IncX lda DX
eor #$ff
sta Counter
lda DX+1
eor #$ff
sta Counter+1
lda DY IE=2*DY
asl
sta IE
pha
* lda DY+1
lda #0
rol
sta IE+1
tax
pla D=IE-DX
sec
sbc DX
sta D
txa
sbc DX+1
sta D+1
lda DY INE=2*(DY-DX)
sec
sbc DX
pha
* lda DY+1
lda #0
sbc DX+1
tax
pla
asl
sta INE
txa
rol
sta INE+1
.1 inc Counter
bne .2
inc Counter+1
beq .8
.2 lda D+1 ID D < 0 ....
bmi .4
lda D D > 0 : D=D+INE
clc
adc INE
sta D
lda D+1
adc INE+1
sta D+1
lda CB.Cache+S.CB.Y1 Y1=Y1+IY
clc
adc IY
sta CB.Cache+S.CB.Y1
bra .5
.4 lda D D < 0 : D=D+IE
clc
adc IE
sta D
lda D+1
adc IE+1
sta D+1
.5 inc CB.Cache+S.CB.X1 X1=X1+1
bne .6
inc CB.Cache+S.CB.X1+1
.6 jsr GFXWrite.CB
bra .1
.8 rts
*--------------------------------------
* fillrectangle (short int hWND, short int OP, short int COLOR, int X1, int Y1, int X2, int Y2)
*--------------------------------------
FillRectangle jsr DRAW.PullY2X2Y1X1
>PULLB CB.Cache+S.CB.COLOR
>PULLB CB.Cache+S.CB.OP
jsr DRAW.PullWND
lda #S.CB.CMD.FILLRECT
sta CB.Cache+S.CB.CMD
jsr CLIP.CB.Cache
bcs .8
jmp GFXWrite.CB
.8 rts
*--------------------------------------
* drawbitmap (short int hWND, short int OP, short int M, S.BM *bitmap, int X1, int Y1)
*--------------------------------------
DrawBitMap lda #S.CB.CMD.BITBLT
jsr CB.InitCacheA
jsr DRAW.PullY1X1
>PULLW CB.Cache+S.CB.SrcPtr
>PULLB CB.Cache+S.CB.M
>PULLB CB.Cache+S.CB.OP
jsr DRAW.PullWND
jsr CLIP.CB.Cache
bcs .8
jmp GFXWrite.CB
.8 rts
*--------------------------------------
DRAW.xBMAtDXDY >LDYA L.BMs,x
DRAW.yaBMAtDXDY >STYA ZPBMPtr Src BM
lda #S.CB.CMD.BITBLT
jsr CB.InitCacheA
lda #S.CB.OP.MASK+S.CB.OP.ORA+S.CB.OP.COLOR
sta CB.Cache+S.CB.OP
lda #S.CB.M.C16
sta CB.Cache+S.CB.M
ldx #3
.1 lda DX,x
sta CB.Cache+S.CB.X1,x
dex
bpl .1
ldx #3
ldy #S.BM.W+3
.2 lda (ZPBMPtr),y
sta CB.Cache+S.CB.SrcW,x
dey
dex
bpl .2
lda ZPBMPtr
sta CB.Cache+S.CB.SrcPtr
lda ZPBMPtr+1
sta CB.Cache+S.CB.SrcPtr+1
jmp PutCBCache2CBBuf
*--------------------------------------
* drawtext (short int hWND, short int OP, short int hFONT, int X1, int Y1, char *str)
*--------------------------------------
DrawText lda #S.CB.CMD.DRAWTEXT2
jsr CB.InitCacheA
>PULLW CB.Cache+S.CB.TxtPtr
jsr DRAW.PullY1X1
>PULLB CB.Cache+S.CB.hFont
>PULLB CB.Cache+S.CB.OP
jsr DRAW.PullWND
jsr CLIP.CB.Cache
bcs .8
jmp GFXWrite.CB
.8 rts
*--------------------------------------
DRAW.YATextAtDXDY
phx
jsr CB.ClearCache
>STYA CB.Cache+S.CB.TxtPtr
plx
stx CB.Cache+S.CB.hFont
lda #S.CB.CMD.DRAWTEXT2
sta CB.Cache+S.CB.CMD
lda #0
ror
eor #S.CB.OP.INVERSE
ora #S.CB.OP.SET
* lda #S.CB.OP.XOR
sta CB.Cache+S.CB.OP
lda #S.CB.M.MONO
sta CB.Cache+S.CB.M
ldx #3
.1 lda DX,x DX,DY -> S.CB.X1,S.CB.Y1
sta CB.Cache+S.CB.X1,x
dex
bpl .1
jmp PutCBCache2CBBuf
*--------------------------------------
DRAW.PullY2X2Y1X1
ldx #7
bra DRAW.PullX
DRAW.PullY1X1 ldx #3
DRAW.PullX >PULLA
sta CB.Cache+S.CB.X1,x
dex
bpl DRAW.PullX
rts
*--------------------------------------
DRAW.PullWND >PULLA hWND
>SYSCALL2 GetMemPtr
>STYA ZPWNDPtr
jsr DRAW.ToGlobal set CB.Cache to global coord.
*--------------------------------------
DRAW.GetInnerWND
ldy #S.OBJ.X1
lda (ZPWNDPtr),y
sta OBJ.Cache+S.OBJ.X1
iny
lda (ZPWNDPtr),y
sta OBJ.Cache+S.OBJ.X1+1
ldy #S.WND.InnerY1
lda (ZPWNDPtr),y
sta OBJ.Cache+S.OBJ.Y1
iny
lda (ZPWNDPtr),y
sta OBJ.Cache+S.OBJ.Y1+1
ldy #S.WND.InnerW
lda (ZPWNDPtr),y
sta OBJ.Cache+S.OBJ.W
iny
lda (ZPWNDPtr),y
sta OBJ.Cache+S.OBJ.W+1
iny #S.WND.InnerH
lda (ZPWNDPtr),y
sta OBJ.Cache+S.OBJ.H
iny
lda (ZPWNDPtr),y
sta OBJ.Cache+S.OBJ.H+1
>LDYA L.OBJ.Cache
jmp OBJ.SetX2Y2
*--------------------------------------
DRAW.ToGlobal >LDYA ZPWNDPtr
>STYA ZPPtr1
.1 ldy #S.OBJ.X1
ldx #S.CB.X1
jsr DRAW.AddP1YtoCBX
ldy #S.WND.InnerY1
ldx #S.CB.Y1
jsr DRAW.AddP1YtoCBX
ldy #S.OBJ.X1
ldx #S.CB.X2
jsr DRAW.AddP1YtoCBX
ldy #S.WND.InnerY1
ldx #S.CB.Y2
jsr DRAW.AddP1YtoCBX
ldy #S.OBJ.hPARENT+1
lda (ZPPtr1),y
beq .8 00xx = hDev
tax
dey
lda (ZPPtr1),y
sta ZPPtr1
stx ZPPtr1+1
bra .1
.8 clc
rts
*--------------------------------------
DRAW.AddP1YtoCBX
lda (ZPPtr1),y
clc
adc CB.Cache,x
sta CB.Cache,x
iny
lda (ZPPtr1),y
adc CB.Cache+1,x
sta CB.Cache+1,x
rts
*--------------------------------------
DrawCBBufToYA pha
phy
bit CUR.bVisible
bpl .1
jsr HideCursor.I
.1 lda #0
sta (ZPCBBufPtr)
ply
pla
jsr OBJ.GetInCache
.2 lda (ZPCBPtr)
beq .8
>LDYA ZPCBPtr
jsr CB.GetInCache A = CB.CMD
cmp #S.CB.CMD.DRAWTEXT2
bne .6
lda #S.CB.CMD.DRAWTEXT+S.CB.CMD.OSD
sta CB.Cache+S.CB.CMD
jsr GFXWrite.CB
bcs .9
jsr CLIP.CB.Cache
bcs .3
jsr GFXWrite.CB
.3 lda CB.Cache+S.CB.SrcPtr
>SYSCALL2 FreeStkObj
bra .7
.6 jsr CLIP.CB.Cache
bcs .7
jsr GFXWrite.CB
.7 lda (ZPCBPtr) Get Cmd
lsr
tax
lda CB.CmdLen-1,x
sec +1
adc ZPCBPtr
sta ZPCBPtr
bcc .2
inc ZPCBPtr+1
bra .2
.8 lda hCBBuf
stz hCBBuf
>SYSCALL FreeMem
clc
bit CUR.bVisible
bpl .9
jmp ShowCursor.I
.9 rts
*--------------------------------------
MAN
SAVE usr/src/lib/libgui.s.draw
LOAD usr/src/lib/libgui.s
ASM