use32
	org 0
	db 'MENUET01'
	dd 1,start,i_end,mem,stacktop,0,cur_dir_path

include '../../../../../KOSfuncs.inc'
include '../../../../../macros.inc'
include '../../../../../proc32.inc'
include '../../../../../load_lib.mac'
include '../../../../../dll.inc'

@use_library mem.Alloc,mem.Free,mem.ReAlloc, 0 ;dll.Load

buf2d_l equ word[edi+4] ;отступ слева
buf2d_t equ word[edi+6] ;отступ сверху
buf2d_w equ dword[edi+8]
buf2d_h equ dword[edi+12]
buf2d_color equ dword[edi+16] ;цвет фона буфера

align 4
start:
	load_library lib0_name, library_path, system_path, import_buf2d_lib
	cmp eax,-1
	jz button.exit

	mcall SF_SET_EVENTS_MASK,0xC0000027
	stdcall [buf2d_create], buf_0 ;создаем буфер
	;рисуем первоначальный кадр
	stdcall [buf2d_filled_rect_by_size], buf_0, 100-50,70-25, 100,50, 0xffffff ;рисуем прямоугольник
	stdcall [buf2d_line], buf_0, 10,10, 100,75, 0xff0000 ;рисуем простую линию
	stdcall [buf2d_line_sm], buf_0, 100,75, 190,140, 0xff0000 ;рисуем сглаженную линию

align 4
red_win:
	call draw_window

align 4
still:
	mcall SF_WAIT_EVENT
	cmp al,1 ;изменилось положение окна
	jz red_win
	cmp al,2
	jz key
	cmp al,3
	jz button
	cmp al,6
	jz mouse
	jmp still

align 4
draw_window:
	pushad
	mcall SF_REDRAW,SSF_BEGIN_DRAW

	;mov edx,0x32000000
	mov edx,0x33000000
	mcall SF_CREATE_WINDOW,(50 shl 16)+330,(30 shl 16)+275,,,caption

	stdcall [buf2d_draw], buf_0

	mcall SF_REDRAW,SSF_END_DRAW
	popad
	ret

align 4
key:
	mcall SF_GET_KEY

	cmp ah,27 ;Esc
	je button.exit

	jmp still

align 4
button:
	mcall SF_GET_BUTTON
	cmp ah,1
	jne still
.exit:
	stdcall [buf2d_delete],buf_0 ;удаляем буфер
	mcall SF_TERMINATE_PROCESS

align 4
mouse:
	;обрабатываем окно редактора
	mcall SF_MOUSE_GET,SSF_BUTTON
	cmp al,1
	jne @f
		mcall SF_MOUSE_GET,SSF_WINDOW_POSITION
		mov ebx,eax
		shr ebx,16 ;в eax координата миши по оси 'x'
		and eax,0xffff ;в eax координата миши по оси 'y'
		mov edi,buf_0
		sub ax,buf2d_t ;сдвигаем координаты учитывая смещение буфера
		cmp eax,buf2d_h
		jge @f
		sub bx,buf2d_l
		cmp ebx,buf2d_w
		jge @f

		;рисование при нажатии
		stdcall [buf2d_clear], edi, buf2d_color ;очищаем экран от предыдущих рисований
		stdcall [buf2d_filled_rect_by_size], edi, 100-50,70-25, 100,50, 0xffffff ;рисуем прямоугольник

		stdcall [buf2d_line], edi, 10,10, ebx,eax, 0xff0000 ;рисуем простую линию
		stdcall [buf2d_line_sm], edi, 190,140, ebx,eax, 0xff0000 ;рисуем сглаженную линию
		stdcall [buf2d_draw], edi ;обновляем экран
	@@:
	jmp still

caption db 'Press left mouse button, [Esc] - exit',0

;--------------------------------------------------
align 4
import_buf2d_lib:
	dd sz_lib_init
	buf2d_create dd sz_buf2d_create
	buf2d_create_f_img dd sz_buf2d_create_f_img
	buf2d_clear dd sz_buf2d_clear
	buf2d_draw dd sz_buf2d_draw
	buf2d_delete dd sz_buf2d_delete
	buf2d_line dd sz_buf2d_line
	buf2d_line_sm dd sz_buf2d_line_sm
	buf2d_filled_rect_by_size dd sz_buf2d_filled_rect_by_size
	buf2d_circle dd sz_buf2d_circle
	buf2d_img_hdiv2 dd sz_buf2d_img_hdiv2
	buf2d_img_wdiv2 dd sz_buf2d_img_wdiv2
	buf2d_conv_24_to_8 dd sz_buf2d_conv_24_to_8
	buf2d_conv_24_to_32 dd sz_buf2d_conv_24_to_32
	buf2d_bit_blt dd sz_buf2d_bit_blt
	buf2d_bit_blt_transp dd sz_buf2d_bit_blt_transp
	buf2d_bit_blt_alpha dd sz_buf2d_bit_blt_alpha
	buf2d_curve_bezier dd sz_buf2d_curve_bezier
	buf2d_convert_text_matrix dd sz_buf2d_convert_text_matrix
	buf2d_draw_text dd sz_buf2d_draw_text
	dd 0,0
	sz_lib_init db 'lib_init',0
	sz_buf2d_create db 'buf2d_create',0
	sz_buf2d_create_f_img db 'buf2d_create_f_img',0
	sz_buf2d_clear db 'buf2d_clear',0
	sz_buf2d_draw db 'buf2d_draw',0
	sz_buf2d_delete db 'buf2d_delete',0
	sz_buf2d_line db 'buf2d_line',0
	sz_buf2d_line_sm db 'buf2d_line_sm',0
	sz_buf2d_filled_rect_by_size db 'buf2d_filled_rect_by_size',0
	sz_buf2d_circle db 'buf2d_circle',0 ;рисование окружности
	sz_buf2d_img_hdiv2 db 'buf2d_img_hdiv2',0
	sz_buf2d_img_wdiv2 db 'buf2d_img_wdiv2',0
	sz_buf2d_conv_24_to_8 db 'buf2d_conv_24_to_8',0
	sz_buf2d_conv_24_to_32 db 'buf2d_conv_24_to_32',0
	sz_buf2d_bit_blt db 'buf2d_bit_blt',0
	sz_buf2d_bit_blt_transp db 'buf2d_bit_blt_transp',0
	sz_buf2d_bit_blt_alpha db 'buf2d_bit_blt_alpha',0
	sz_buf2d_curve_bezier db 'buf2d_curve_bezier',0
	sz_buf2d_convert_text_matrix db 'buf2d_convert_text_matrix',0
	sz_buf2d_draw_text db 'buf2d_draw_text',0

align 4
buf_0:
	dd 0 ;указатель на буфер изображения
	dw 20 ;+4 left
	dw 10 ;+6 top
	dd 200 ;+8 w
	dd 150 ;+12 h
	dd 0x80 ;+16 color
	db 24 ;+20 bit in pixel

;--------------------------------------------------
system_path db '/sys/lib/'
lib0_name db 'buf2d.obj',0
;--------------------------------------------------

align 16
i_end: ;конец кода
	rb 1024
stacktop:
cur_dir_path:
	rb 4096
library_path:
	rb 4096
mem: