mirror of https://git.sr.ht/~rabbits/uxn
195 lines
5.4 KiB
Tal
195 lines
5.4 KiB
Tal
( GUI Shapes )
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%RTN { JMP2r }
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%-- { #0001 SUB2 }
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%8++ { #0008 ADD2 }
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%2** { #10 SFT2 }
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%4** { #20 SFT2 }
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%ABS2 { DUP2 #0f SFT2 EQU #05 JCN #0000 SWP2 SUB2 }
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%LTS2 { #8000 ADD2 SWP2 #8000 ADD2 GTH2 }
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%GTS2 { #8000 ADD2 SWP2 #8000 ADD2 LTH2 }
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%SIZE-TO-RECT {
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STH2 STH2 OVR2 STH2r ADD2 OVR2 STH2r ADD2
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} ( x y w h -- x1 y1 x2 y2 )
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( devices )
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|00 @System [ &vector $2 &pad $6 &r $2 &g $2 &b $2 ]
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|20 @Screen [ &vector $2 &width $2 &height $2 &pad $2 &x $2 &y $2 &addr $2 &pixel $1 &sprite $1 ]
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( variables )
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|0000
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( draw requirements )
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@color [ &byte $1 ]
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@rect [ &x1 $2 &y1 $2 &x2 $2 &y2 $2 ]
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@line [ &x0 $2 &y0 $2 &x $2 &y $2 &sx $2 &sy $2 &dx $2 &dy $2 &e1 $2 &e2 $2 ]
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@circle [ &xc $2 &yc $2 &x $2 &y $2 &r $2 &d $2 ]
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( program )
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|0100
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( theme )
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#f03f .System/r DEO2
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#f03c .System/g DEO2
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#f03f .System/b DEO2
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( background ) ;checker_icn #03 ;cover-pattern JSR2
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#0010 #0030 #0020 #0020 SIZE-TO-RECT #01 ;line-slow JSR2
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#0070 #0040 #0010 #01 ;draw-circle JSR2
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#0038 #0030 #0020 #0020 SIZE-TO-RECT #01 ;line-rect JSR2
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#0038 #0058 #0020 #0020 SIZE-TO-RECT #01 ;fill-rect JSR2
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#0010 #0030 #0068 #01 ;line-hor JSR2
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#0020 #0058 #0078 #01 ;line-ver JSR2
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BRK
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@line-slow ( x1 y1 x2 y2 color -- )
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( load ) .color STZ -- .line/y0 STZ2 -- .line/x0 STZ2 .line/y STZ2 .line/x STZ2
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.line/x0 LDZ2 .line/x LDZ2 SUB2 ABS2 .line/dx STZ2
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.line/y0 LDZ2 .line/y LDZ2 SUB2 ABS2 #0000 SWP2 SUB2 .line/dy STZ2
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#ffff #00 .line/x LDZ2 .line/x0 LDZ2 LTS2 2** ADD2 .line/sx STZ2
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#ffff #00 .line/y LDZ2 .line/y0 LDZ2 LTS2 2** ADD2 .line/sy STZ2
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.line/dx LDZ2 .line/dy LDZ2 ADD2 .line/e1 STZ2
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&loop
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.line/x LDZ2 .Screen/x DEO2 .line/y LDZ2 .Screen/y DEO2 .color LDZ .Screen/pixel DEO
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.line/x LDZ2 .line/x0 LDZ2 EQU2 .line/y LDZ2 .line/y0 LDZ2 EQU2 #0101 EQU2 ,&end JCN
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.line/e1 LDZ2 2** .line/e2 STZ2
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.line/e2 LDZ2 .line/dy LDZ2 LTS2 ,&skipy JCN
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.line/e1 LDZ2 .line/dy LDZ2 ADD2 .line/e1 STZ2
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.line/x LDZ2 .line/sx LDZ2 ADD2 .line/x STZ2
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&skipy
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.line/e2 LDZ2 .line/dx LDZ2 GTS2 ,&skipx JCN
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.line/e1 LDZ2 .line/dx LDZ2 ADD2 .line/e1 STZ2
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.line/y LDZ2 .line/sy LDZ2 ADD2 .line/y STZ2
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&skipx
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;&loop JMP2
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&end
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RTN
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@line-rect ( x1* y1* x2* y2* color -- )
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( load ) .color STZ
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STH2k .rect/y2 STZ2 .rect/x2 STZ2
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STH2k .rect/y1 STZ2 .rect/x1 STZ2
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STH2r STH2r SWP2
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&ver
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( save ) DUP2 .Screen/y DEO2
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( draw ) .rect/x1 LDZ2 .Screen/x DEO2 .color LDZ DUP .Screen/pixel DEO
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( draw ) .rect/x2 LDZ2 .Screen/x DEO2 .Screen/pixel DEO
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( incr ) INC2
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OVR2 OVR2 GTS2 ,&ver JCN
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POP2 POP2
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.rect/x1 LDZ2 .rect/x2 LDZ2 SWP2
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&hor
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( save ) DUP2 .Screen/x DEO2
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( draw ) .rect/y1 LDZ2 .Screen/y DEO2 .color LDZ DUP .Screen/pixel DEO
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( draw ) .rect/y2 LDZ2 .Screen/y DEO2 .Screen/pixel DEO
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( incr ) INC2
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OVR2 INC2 OVR2 GTS2 ,&hor JCN
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POP2 POP2
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RTN
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@fill-rect ( x1* y1* x2* y2* color -- )
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,&color STR
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( x1 x2 y1 y2 ) ROT2
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&ver
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( save ) DUP2 .Screen/y DEO2
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STH2 STH2 OVR2 OVR2 SWP2
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&hor
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( save ) DUP2 .Screen/x DEO2
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( draw ) ,&color LDR .Screen/pixel DEO
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( incr ) INC2
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OVR2 OVR2 GTS2 ,&hor JCN
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POP2 POP2 STH2r STH2r
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( incr ) INC2
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OVR2 OVR2 GTS2 ,&ver JCN
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POP2 POP2 POP2 POP2
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RTN
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&color $1
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@draw-circle ( xc yc r color -- )
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( load ) .color STZ .circle/r STZ2 .circle/yc STZ2 .circle/xc STZ2
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#0000 .circle/x STZ2 .circle/r LDZ2 .circle/y STZ2
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.circle/r LDZ2 2** .circle/d STZ2
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( draw ) ;&seg JSR2
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&loop
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( incr ) .circle/x LDZ2 INC2 .circle/x STZ2
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.circle/d LDZ2 #0001 LTS2 ,&else JCN
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( decr ) .circle/y LDZ2 -- .circle/y STZ2
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.circle/x LDZ2 .circle/y LDZ2 SUB2 4** .circle/d LDZ2 ADD2 .circle/d STZ2
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;&end JMP2
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&else
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.circle/x LDZ2 4** .circle/d LDZ2 ADD2 .circle/d STZ2
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&end
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( draw ) ;&seg JSR2
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.circle/y LDZ2 .circle/x LDZ2 -- GTS2 ,&loop JCN
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RTN
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&seg
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.circle/xc LDZ2 .circle/x LDZ2 ADD2 .Screen/x DEO2 .circle/yc LDZ2 .circle/y LDZ2 ADD2 .Screen/y DEO2 .color LDZ .Screen/pixel DEO
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.circle/xc LDZ2 .circle/x LDZ2 SUB2 .Screen/x DEO2 .circle/yc LDZ2 .circle/y LDZ2 ADD2 .Screen/y DEO2 .color LDZ .Screen/pixel DEO
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.circle/xc LDZ2 .circle/x LDZ2 ADD2 .Screen/x DEO2 .circle/yc LDZ2 .circle/y LDZ2 SUB2 .Screen/y DEO2 .color LDZ .Screen/pixel DEO
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.circle/xc LDZ2 .circle/x LDZ2 SUB2 .Screen/x DEO2 .circle/yc LDZ2 .circle/y LDZ2 SUB2 .Screen/y DEO2 .color LDZ .Screen/pixel DEO
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.circle/xc LDZ2 .circle/y LDZ2 ADD2 .Screen/x DEO2 .circle/yc LDZ2 .circle/x LDZ2 ADD2 .Screen/y DEO2 .color LDZ .Screen/pixel DEO
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.circle/xc LDZ2 .circle/y LDZ2 SUB2 .Screen/x DEO2 .circle/yc LDZ2 .circle/x LDZ2 ADD2 .Screen/y DEO2 .color LDZ .Screen/pixel DEO
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.circle/xc LDZ2 .circle/y LDZ2 ADD2 .Screen/x DEO2 .circle/yc LDZ2 .circle/x LDZ2 SUB2 .Screen/y DEO2 .color LDZ .Screen/pixel DEO
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.circle/xc LDZ2 .circle/y LDZ2 SUB2 .Screen/x DEO2 .circle/yc LDZ2 .circle/x LDZ2 SUB2 .Screen/y DEO2 .color LDZ .Screen/pixel DEO
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RTN
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@cover-pattern ( addr* color -- )
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( load ) STH .Screen/addr DEO2
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.Screen/height DEI2 #0000
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&ver
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( save ) DUP2 .Screen/y DEO2
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.Screen/width DEI2 #0000
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&hor
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( save ) DUP2 .Screen/x DEO2
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( draw ) STHkr .Screen/sprite DEO
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#0008 ADD2 GTH2k ,&hor JCN
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POP2 POP2
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#0008 ADD2 GTH2k ,&ver JCN
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POP2 POP2
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POPr
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RTN
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@line-hor ( x0* x1* y* color -- )
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STH .Screen/y DEO2
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SWP2
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&loop
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( save ) DUP2 .Screen/x DEO2
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( draw ) STHkr .Screen/pixel DEO
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INC2 GTH2k ,&loop JCN
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POP2 POP2 POPr
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RTN
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@line-ver ( x* y0* y1* color -- )
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STH ROT2 .Screen/x DEO2
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SWP2
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&loop
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( save ) DUP2 .Screen/y DEO2
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( draw ) STHkr .Screen/pixel DEO
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INC2 GTH2k ,&loop JCN
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POP2 POP2 POPr
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RTN
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@checker_icn [ f0f0 f0f0 0f0f 0f0f ]
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