kolibrios-gitea/programs/media/animage/trunk/sprites.inc

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;-----------------------------------------------------------
;SaveFonForSprite:
; PointerToPicture -> PointerToSpriteBufer
;
;PutFonForSprite:
; PointerToSpriteBufer -> PointerToPicture
;
;DrawSprite:
; PointerToEditBufer -> PointerToPicture
;-----------------------------------------------------------
align 4
SaveFonForSprite:
mov ecx,[SpriteSizeX]
or ecx,ecx
jz .end_f
mov edx,[Picture_SizeX]
sub edx,ecx
mov esi,[SpriteCoordinatY]
imul esi,[Picture_SizeX]
add esi,[SpriteCoordinatX]
lea edx,[edx+edx*2]
lea esi,[esi+esi*2]
add esi,[PointerToPicture]
mov edi,[PointerToSpriteBufer]
mov ebx,[SpriteSizeY]
mov [counter],ecx
.next_line_sprite_save:
mov ecx,[counter]
align 4
@@:
movsw
movsb
dec ecx
jnz @b
add esi,edx
dec ebx
jnz .next_line_sprite_save
.end_f:
ret
;-----------------------------------------------------------
align 4
PutFonForSprite:
mov ecx,[SpriteSizeX]
or ecx,ecx
jz .end_f
mov edx,[Picture_SizeX]
sub edx,ecx
mov edi,[SpriteOldCoordinatY]
imul edi,[Picture_SizeX]
add edi,[SpriteOldCoordinatX]
lea edx,[edx+edx*2]
lea edi,[edi+edi*2]
add edi,[PointerToPicture]
mov esi,[PointerToSpriteBufer]
mov ebx,[SpriteSizeY]
mov [counter],ecx
.next_line_sprite_put:
mov ecx,[counter]
align 4
@@:
movsw
movsb
dec ecx
jnz @b
add edi,edx
dec ebx
jnz .next_line_sprite_put
.end_f:
ret
;-----------------------------------------------------------
align 4
DrawSprite:
mov ecx,[SpriteSizeX]
or ecx,ecx
jz .end_f
mov edx,[Picture_SizeX]
sub edx,ecx
mov edi,[SpriteCoordinatY]
imul edi,[Picture_SizeX]
add edi,[SpriteCoordinatX]
lea edx,[edx+edx*2]
lea edi,[edi+edi*2]
add edi,[PointerToPicture]
mov esi,[PointerToEditBufer]
mov ebx,[SpriteSizeY]
mov [counter],ecx
.next_line_sprite_draw:
mov ecx,[counter]
align 4
@@:
movsw
movsb
dec ecx
jnz @b
add edi,edx
dec ebx
jnz .next_line_sprite_draw
.end_f:
ret