kolibrios/programs/develop/libraries/box_lib/trunk/progressbar.mac
0CodErr 8e9dbc453a fix progressbar_draw, optimizations, formatting fixes
git-svn-id: svn://kolibrios.org@4116 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-10-28 11:50:01 +00:00

144 lines
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macro use_progressbar
{
pb equ [esp + 4 + 8*4]
align 16
progressbar_draw:
pushad
; draw frame
mov eax, pb
mov edx, [eax + PB_FRAME_COLOR]
mov ebx, [eax + PB_LEFT]
mov edi, [eax + PB_TOP]
mov ebp, [eax + PB_WIDTH]
mov esi, [eax + PB_HEIGHT]
add ebp, ebx
add esi, edi
dec ebp
dec esi
mov eax, 38
shl ebx, 16
mov bx, bp
shrd ecx, edi, 16
mov cx, di
int 64
shrd ecx, esi, 16
mov cx, si
int 64
shld esi, ebx, 16
mov bx, si
shrd ecx, edi, 16
int 64
shrd ebx, ebp, 16
mov bx, bp
int 64
; if min > max then .skip
mov eax, pb
mov edx, [eax + PB_MAX]
mov ecx, [eax + PB_MIN]
cmp ecx, edx
; jg .skip
jne .min_no_eq_max
dec edx
.min_no_eq_max:
; draw all progress rectangle
call get_progress_width
mov edi, eax
mov eax, pb
mov ebx, [eax + PB_LEFT]
mov ecx, [eax + PB_TOP]
mov edx, [eax + PB_PROGRESS_COLOR]
inc ebx
inc ecx
shl ebx, 16
shl ecx, 16
add ebx, edi
add ecx, [eax + PB_HEIGHT]
dec ecx
mov eax, 13
dec ecx
int 64
; draw last part of non-progress rectangle
; edi = pW, esi = W - 2
sub esi, edi ; width
shr ebx, 16
add ebx, edi
shl ebx, 16
add ebx, esi
mov esi, pb
mov edx, [esi + PB_BACK_COLOR]
int 64
; .skip:
popad
ret 4
align 16
get_progress_width:
; pW = (W-2)(value - min) / (max - min)
mov esi, [eax + PB_WIDTH]
mov eax, [eax + PB_VALUE]
dec esi
sub eax, ecx
dec esi
imul eax, esi
neg ecx
add ecx, edx
xor edx, edx
div ecx
ret
align 16
progressbar_progress:
pushad
; if min > max then .skip
mov eax, pb
mov edx, [eax + PB_MAX]
mov ecx, [eax + PB_MIN]
cmp ecx, edx
; jg .skip
jne .min_no_eq_max1
dec edx
.min_no_eq_max1:
call get_progress_width
mov edi, eax
; increase value
mov eax, pb
mov ecx, [eax + PB_VALUE]
mov edx, [eax + PB_MAX]
inc ecx
; if value > max then value = max
cmp ecx, edx
jng .next
mov ecx, edx
.next:
mov [eax + PB_VALUE], ecx
; draw new part of progress rectangle
mov eax, pb
mov ecx, [eax + PB_MIN]
cmp ecx, edx
jne .min_no_eq_max2
dec edx
.min_no_eq_max2:
call get_progress_width
mov esi, eax
; edi = last pW, esi = new pW
mov eax, pb
mov ebx, [eax + PB_LEFT]
mov ecx, [eax + PB_TOP]
mov edx, [eax + PB_PROGRESS_COLOR]
inc ebx
inc ecx
add ebx, edi
shl ecx, 16
shl ebx, 16
add ecx, [eax + PB_HEIGHT]
add ebx, esi
dec ecx
sub ebx, edi
mov eax, 13
dec ecx
int 64
; .skip:
popad
ret 4
restore pb
}