forked from KolibriOS/kolibrios
443 lines
25 KiB
NASM
443 lines
25 KiB
NASM
;;================================================================================================;;
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;;//// libgfx.asm //// (c) mike.dld, 2006-2008 ///////////////////////////////////////////////////;;
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;;================================================================================================;;
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;; ;;
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;; This file is part of Common development libraries (Libs-Dev). ;;
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;; ;;
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;; Libs-Dev is free software: you can redistribute it and/or modify it under the terms of the GNU ;;
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;; General Public License as published by the Free Software Foundation, either version 3 of the ;;
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;; License, or (at your option) any later version. ;;
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;; ;;
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;; Libs-Dev is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without ;;
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;; even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU ;;
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;; General Public License for more details. ;;
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;; ;;
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;; You should have received a copy of the GNU General Public License along with Libs-Dev. If not, ;;
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;; see <http://www.gnu.org/licenses/>. ;;
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;; ;;
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;;================================================================================================;;
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format MS COFF
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public @EXPORT as 'EXPORTS'
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include '../../../../proc32.inc'
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include '../../../../macros.inc'
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purge section;mov,add,sub
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include 'libgfx_p.inc'
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section '.flat' code readable align 16
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mem.alloc dd ?
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mem.free dd ?
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mem.realloc dd ?
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dll.load dd ?
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;;================================================================================================;;
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proc lib_init ;///////////////////////////////////////////////////////////////////////////////////;;
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;;------------------------------------------------------------------------------------------------;;
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;? Library entry point (called after library load) ;;
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;;------------------------------------------------------------------------------------------------;;
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;> eax = pointer to memory allocation routine ;;
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;> ebx = pointer to memory freeing routine ;;
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;> ecx = pointer to memory reallocation routine ;;
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;> edx = pointer to library loading routine ;;
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;;------------------------------------------------------------------------------------------------;;
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;< eax = 1 (fail) / 0 (ok) (library initialization result) ;;
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;;================================================================================================;;
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mov [mem.alloc], eax
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mov [mem.free], ebx
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mov [mem.realloc], ecx
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mov [dll.load], edx
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xor eax,eax
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ret
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endp
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;;================================================================================================;;
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proc gfx.open _open? ;////////////////////////////////////////////////////////////////////////////;;
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;;------------------------------------------------------------------------------------------------;;
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;? --- TBD --- ;;
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;;------------------------------------------------------------------------------------------------;;
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;> --- TBD --- ;;
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;;------------------------------------------------------------------------------------------------;;
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;< --- TBD --- ;;
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;;================================================================================================;;
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push ebx ecx
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xor ecx, ecx
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cmp byte[_open?], 0
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je .lp1
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mov eax, 12
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mov ebx, 1
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int 0x40
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jmp @f
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.lp1: or ecx, GFX_FLAG_DONT_CLOSE
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@@: invoke mem.alloc, sizeof.AGfxContext
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xor ebx,ebx
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mov [eax + AGfxContext.Flags], ecx
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mov [eax + AGfxContext.NullPoint.X], ebx
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mov [eax + AGfxContext.NullPoint.Y], ebx
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mov [eax + AGfxContext.Caret.X], ebx
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mov [eax + AGfxContext.Caret.Y], ebx
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mov [eax + AGfxContext.Pen.Color], ebx
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mov [eax + AGfxContext.Brush.Color], 0x00FFFFFF
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pop ecx ebx
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ret
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endp
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;;================================================================================================;;
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proc gfx.close _ctx ;/////////////////////////////////////////////////////////////////////////////;;
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;;------------------------------------------------------------------------------------------------;;
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;? --- TBD --- ;;
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;;------------------------------------------------------------------------------------------------;;
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;> --- TBD --- ;;
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;;------------------------------------------------------------------------------------------------;;
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;< --- TBD --- ;;
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;;================================================================================================;;
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push eax ebx
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mov ebx, [_ctx]
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mov ebx, [ebx + AGfxContext.Flags]
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invoke mem.free, [_ctx]
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test ebx, GFX_FLAG_DONT_CLOSE
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jnz @f
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mov eax, 12
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mov ebx, 2
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int 0x40
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@@: pop ebx eax
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ret
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endp
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;;================================================================================================;;
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proc gfx.pen.color _ctx, _color ;/////////////////////////////////////////////////////////////////;;
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;;------------------------------------------------------------------------------------------------;;
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;? --- TBD --- ;;
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;;------------------------------------------------------------------------------------------------;;
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;> --- TBD --- ;;
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;;------------------------------------------------------------------------------------------------;;
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;< --- TBD --- ;;
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;;================================================================================================;;
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push eax
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mov eax, [_ctx]
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push [_color]
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pop [eax + AGfxContext.Pen.Color]
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pop eax
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ret
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endp
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;;================================================================================================;;
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proc gfx.brush.color _ctx, _color ;///////////////////////////////////////////////////////////////;;
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;;------------------------------------------------------------------------------------------------;;
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;? --- TBD --- ;;
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;;------------------------------------------------------------------------------------------------;;
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;> --- TBD --- ;;
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;;------------------------------------------------------------------------------------------------;;
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;< --- TBD --- ;;
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;;================================================================================================;;
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push eax
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mov eax, [_ctx]
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push [_color]
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pop [eax + AGfxContext.Brush.Color]
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pop eax
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ret
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endp
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;;================================================================================================;;
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proc gfx.pixel _ctx, _x, _y ;/////////////////////////////////////////////////////////////////////;;
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;;------------------------------------------------------------------------------------------------;;
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;? --- TBD --- ;;
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;;------------------------------------------------------------------------------------------------;;
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;> --- TBD --- ;;
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;;------------------------------------------------------------------------------------------------;;
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;< --- TBD --- ;;
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;;================================================================================================;;
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push eax ebx ecx edx
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mov eax, 1
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mov ebx, [_x]
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mov ecx, [_y]
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mov edx, [_ctx]
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mov edx, [edx + AGfxContext.Pen.Color]
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int 0x40
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pop edx ecx ebx eax
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ret
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endp
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;;================================================================================================;;
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proc gfx.move.to _ctx, _x, _y ;///////////////////////////////////////////////////////////////////;;
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;;------------------------------------------------------------------------------------------------;;
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;? --- TBD --- ;;
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;;------------------------------------------------------------------------------------------------;;
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;> --- TBD --- ;;
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;;------------------------------------------------------------------------------------------------;;
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;< --- TBD --- ;;
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;;================================================================================================;;
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push eax
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mov eax, [_ctx]
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push [_x] [_y]
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pop [eax + AGfxContext.Caret.Y] [eax+AGfxContext.Caret.X]
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pop eax
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ret
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endp
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;;================================================================================================;;
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proc gfx.line.to _ctx, _x, _y ;///////////////////////////////////////////////////////////////////;;
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;;------------------------------------------------------------------------------------------------;;
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;? --- TBD --- ;;
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;;------------------------------------------------------------------------------------------------;;
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;> --- TBD --- ;;
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;;------------------------------------------------------------------------------------------------;;
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;< --- TBD --- ;;
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;;================================================================================================;;
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push eax
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mov eax, [_ctx]
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stdcall gfx.line, eax, [eax + AGfxContext.Caret.X], [eax + AGfxContext.Caret.Y], [_x], [_y]
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pop eax
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stdcall gfx.move.to, [_ctx], [_x], [_y]
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ret
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endp
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;;================================================================================================;;
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proc gfx.line _ctx, _x1, _y1, _x2, _y2 ;//////////////////////////////////////////////////////////;;
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;;------------------------------------------------------------------------------------------------;;
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;? --- TBD --- ;;
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;;------------------------------------------------------------------------------------------------;;
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;> --- TBD --- ;;
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;;------------------------------------------------------------------------------------------------;;
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;< --- TBD --- ;;
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;;================================================================================================;;
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push eax ebx ecx edx
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mov eax, 38
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mov ebx, [_x1 - 2]
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mov bx, word[_x2]
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mov ecx, [_y1 - 2]
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mov cx, word[_y2]
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mov edx, [_ctx]
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mov edx, [edx + AGfxContext.Pen.Color]
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int 0x40
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pop edx ecx ebx eax
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stdcall gfx.move.to, [_ctx], [_x2], [_y2]
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ret
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endp
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;;================================================================================================;;
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proc gfx.polyline _ctx, _points, _count ;/////////////////////////////////////////////////////////;;
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;;------------------------------------------------------------------------------------------------;;
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;? --- TBD --- ;;
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;;------------------------------------------------------------------------------------------------;;
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;> --- TBD --- ;;
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;;------------------------------------------------------------------------------------------------;;
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;< --- TBD --- ;;
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;;================================================================================================;;
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push eax ecx
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mov eax, [_points]
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stdcall gfx.move.to, [_ctx], [eax + 0], [eax + 4]
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mov ecx, [_count]
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dec ecx
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add eax, 8
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stdcall gfx.polyline.to, [_ctx], eax, ecx
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pop ecx eax
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ret
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endp
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;;================================================================================================;;
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proc gfx.polyline.to _ctx, _points, _count ;//////////////////////////////////////////////////////;;
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;;------------------------------------------------------------------------------------------------;;
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;? --- TBD --- ;;
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;;------------------------------------------------------------------------------------------------;;
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;> --- TBD --- ;;
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;;------------------------------------------------------------------------------------------------;;
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;< --- TBD --- ;;
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;;================================================================================================;;
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push eax ecx
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mov eax, [_points]
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mov ecx, [_count]
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@@: stdcall gfx.line.to, [_ctx], [eax + 0], [eax + 4]
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add eax, 8
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loop @b
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pop ecx eax
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ret
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endp
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;;================================================================================================;;
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proc gfx.fillrect _ctx, _x1, _y1, _x2, _y2 ;//////////////////////////////////////////////////////;;
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;;------------------------------------------------------------------------------------------------;;
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;? --- TBD --- ;;
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;;------------------------------------------------------------------------------------------------;;
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;> --- TBD --- ;;
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;;------------------------------------------------------------------------------------------------;;
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;< --- TBD --- ;;
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;;================================================================================================;;
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push eax ebx ecx edx
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mov eax, 13
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mov ebx, [_x1 - 2]
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mov bx, word[_x2]
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sub bx, word[_x1]
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inc bx
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mov ecx, [_y1 - 2]
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mov cx, word[_y2]
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sub cx, word[_y1]
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inc cx
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mov edx, [_ctx]
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mov edx, [edx + AGfxContext.Brush.Color]
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int 0x40
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pop edx ecx ebx eax
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ret
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endp
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;;================================================================================================;;
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proc gfx.fillrect.ex _ctx, _rect ;////////////////////////////////////////////////////////////////;;
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;;------------------------------------------------------------------------------------------------;;
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;? --- TBD --- ;;
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;;------------------------------------------------------------------------------------------------;;
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;> --- TBD --- ;;
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;;------------------------------------------------------------------------------------------------;;
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;< --- TBD --- ;;
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;;================================================================================================;;
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push eax
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mov eax, [_rect]
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stdcall gfx.fillrect, [_ctx], [eax + ARect.Left], [eax + ARect.Top], \
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[eax + ARect.Right], [eax + ARect.Bottom]
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pop eax
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ret
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endp
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;;================================================================================================;;
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proc gfx.framerect _ctx, _x1, _y1, _x2, _y2 ;/////////////////////////////////////////////////////;;
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;;------------------------------------------------------------------------------------------------;;
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;? --- TBD --- ;;
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;;------------------------------------------------------------------------------------------------;;
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;> --- TBD --- ;;
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;;------------------------------------------------------------------------------------------------;;
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;< --- TBD --- ;;
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;;================================================================================================;;
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stdcall gfx.move.to, [_ctx], [_x1], [_y1]
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stdcall gfx.line.to, [_ctx], [_x2], [_y1]
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stdcall gfx.line.to, [_ctx], [_x2], [_y2]
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stdcall gfx.line.to, [_ctx], [_x1], [_y2]
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stdcall gfx.line.to, [_ctx], [_x1], [_y1]
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pop edx ecx ebx eax
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ret
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endp
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;;================================================================================================;;
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proc gfx.framerect.ex _ctx, _rect ;///////////////////////////////////////////////////////////////;;
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;;------------------------------------------------------------------------------------------------;;
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;? --- TBD --- ;;
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;;------------------------------------------------------------------------------------------------;;
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;> --- TBD --- ;;
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;;------------------------------------------------------------------------------------------------;;
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;< --- TBD --- ;;
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;;================================================================================================;;
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push eax
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mov eax, [_rect]
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stdcall gfx.framerect, [_ctx], [eax + ARect.Left], [eax + ARect.Top], \
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[eax + ARect.Right], [eax + ARect.Bottom]
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pop eax
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ret
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endp
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;;================================================================================================;;
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proc gfx.rectangle _ctx, _x1, _y1, _x2, _y2 ;/////////////////////////////////////////////////////;;
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;;------------------------------------------------------------------------------------------------;;
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;? --- TBD --- ;;
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;;------------------------------------------------------------------------------------------------;;
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;> --- TBD --- ;;
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;;------------------------------------------------------------------------------------------------;;
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;< --- TBD --- ;;
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;;================================================================================================;;
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stdcall gfx.framerect, [_ctx], [_x1], [_y1], [_x2], [_y2]
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push [_y2] [_x2] [_y1] [_x1]
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inc dword[esp + 0x00]
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inc dword[esp + 0x04]
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dec dword[esp + 0x08]
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dec dword[esp + 0x0C]
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stdcall gfx.fillrect, [_ctx]
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ret
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endp
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;;================================================================================================;;
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proc gfx.rectangle.ex _ctx, _rect ;///////////////////////////////////////////////////////////////;;
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;;------------------------------------------------------------------------------------------------;;
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;? --- TBD --- ;;
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;;------------------------------------------------------------------------------------------------;;
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;> --- TBD --- ;;
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;;------------------------------------------------------------------------------------------------;;
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;< --- TBD --- ;;
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;;================================================================================================;;
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push eax
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mov eax, [_rect]
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stdcall gfx.rectangle, [_ctx], [eax + ARect.Left], [eax + ARect.Top], \
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[eax + ARect.Right], [eax + ARect.Bottom]
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pop eax
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ret
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endp
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;;================================================================================================;;
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proc gfx.text _ctx, _text, _len, _x, _y ;/////////////////////////////////////////////////////////;;
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;;------------------------------------------------------------------------------------------------;;
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;? --- TBD --- ;;
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;;------------------------------------------------------------------------------------------------;;
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;> --- TBD --- ;;
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;;------------------------------------------------------------------------------------------------;;
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;< --- TBD --- ;;
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;;================================================================================================;;
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ret
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endp
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;;================================================================================================;;
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proc gfx.text.width _ctx, _text, _len ;///////////////////////////////////////////////////////////;;
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;;------------------------------------------------------------------------------------------------;;
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;? --- TBD --- ;;
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;;------------------------------------------------------------------------------------------------;;
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;> --- TBD --- ;;
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;;------------------------------------------------------------------------------------------------;;
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;< --- TBD --- ;;
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;;================================================================================================;;
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ret
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endp
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;;================================================================================================;;
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proc gfx.text.height _ctx, _text, _len ;//////////////////////////////////////////////////////////;;
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;;------------------------------------------------------------------------------------------------;;
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;? --- TBD --- ;;
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;;------------------------------------------------------------------------------------------------;;
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;> --- TBD --- ;;
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;;------------------------------------------------------------------------------------------------;;
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;< --- TBD --- ;;
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;;================================================================================================;;
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ret
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endp
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;;================================================================================================;;
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;;////////////////////////////////////////////////////////////////////////////////////////////////;;
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;;================================================================================================;;
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;! Exported functions section ;;
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;;================================================================================================;;
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;;////////////////////////////////////////////////////////////////////////////////////////////////;;
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;;================================================================================================;;
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align 16
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@EXPORT:
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export \
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lib_init , 'lib_init' , \
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0x01000000 , 'version' , \
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gfx.open , 'gfx.open' , \
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gfx.close , 'gfx.close' , \
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gfx.pen.color , 'gfx.pen.color' , \
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gfx.brush.color , 'gfx.brush.color' , \
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gfx.pixel , 'gfx.pixel' , \
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gfx.move.to , 'gfx.move.to' , \
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gfx.line.to , 'gfx.line.to' , \
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gfx.line , 'gfx.line' , \
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gfx.polyline , 'gfx.polyline' , \
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gfx.polyline.to , 'gfx.polyline.to' , \
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gfx.fillrect , 'gfx.fillrect' , \
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gfx.fillrect.ex , 'gfx.fillrect.ex' , \
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gfx.framerect , 'gfx.framerect' , \
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gfx.framerect.ex , 'gfx.framerect.ex' , \
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gfx.rectangle , 'gfx.rectangle' , \
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gfx.rectangle.ex , 'gfx.rectangle.ex'
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