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imgutil_pixelmatch-chop-grab.ahk
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imgutil_pixelmatch-chop-grab.ahk
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;########################################################################################################
; column matching function
;########################################################################################################
column_uniform(px, refc, x, yf := 0, yt := -1) {
if yt = -1
yt := px.height
return DllCall(this.i_mcode_map["imgutil_column_uniform"]
, "ptr", px.ptr, "int", px.width, "int", px.height
, "int", refc
, "int", x, "int", this.i_tolerance
, "int", yf, "int", yt
, "int"
)
}
;########################################################################################################
; row matching function
;########################################################################################################
row_uniform(px, refc, y, xf := 0, xt := -1) {
if xt = -1
xt := px.width
return DllCall(this.i_mcode_map["imgutil_row_uniform"]
, "ptr", px.ptr, "int", px.width, "int", px.height
, "int", refc
, "int", y, "int", this.i_tolerance
, "int", xf, "int", xt
, "int"
)
}
;########################################################################################################
; column scanning functions
;########################################################################################################
get_col_match(px, refc, x, yf:=0, yt:=-1, minimum_width := 1) {
found_width := 0
while(x < px.width) {
if this.column_uniform(px, refc, x, yf, yt) {
found_width++
if (found_width >= minimum_width)
return x - found_width + 1
} else {
found_width := 0
}
x := x + 1
}
return -1
}
get_col_match_rev(px, refc, x, yf:=0, yt:=-1, minimum_width := 1) {
found_width := 0
while(x >= 0) {
if this.column_uniform(px, refc, x, yf, yt) {
found_width++
if (found_width >= minimum_width)
return x - found_width + 1
} else {
found_width := 0
}
x := x - 1
}
return -1
}
get_col_mism(px, refc, x, yf:=0, yt:=-1) {
if (yt = -1)
yt := px.height
while(x < px.width) {
if !this.column_uniform(px, refc, x, yf, yt)
return x
x := x + 1
}
return -1
}
get_col_mism_rev(px, refc, x, yf:=0, yt:=-1) {
while(x >= 0) {
if !this.column_uniform(px, refc, x, yf, yt)
return x
x := x - 1
}
return -1
}
;########################################################################################################
; row scanning functions
;########################################################################################################
get_row_match(px, refc, y, xf:=0, xt:=-1) {
while(y < px.height) {
if this.row_uniform(px, refc, y, xf, xt)
return y
y := y + 1
}
return -1
}
get_row_match_rev(px, refc, y, xf:=0, xt:=-1) {
while(y >= 0) {
if this.row_uniform(px, refc, y, xf, xt)
return y
y := y - 1
}
return -1
}
get_row_mism(px, refc, y, xf:=0, xt:=-1) {
while(y < px.height) {
if !this.row_uniform(px, refc, y, xf, xt)
return y
y := y + 1
}
return -1
}
get_row_mism_rev(px, refc, y, xf:=0, xt:=-1) {
while(y >= 0) {
if !this.row_uniform(px, refc, y, xf, xt)
return y
y := y - 1
}
return -1
}
;########################################################################################################
; crop-chop
;########################################################################################################
chop_mism_t(pic, refc) {
t := this.get_row_match(pic, refc, 0)
if t <= 0
return pic
h := pic.height - t
return this.crop(pic, 0, t, pic.width, h)
}
chop_mism_b(pic, refc) {
b := this.get_row_match_rev(pic, refc, pic.height-1)
if b <= 0
return pic
return this.crop(pic, 0, 0, pic.width, b)
}
chop_match_t(pic, refc) {
t := this.get_row_mism(pic, refc, 0)
if t <= 0
return pic
h := pic.height - t
return this.crop(pic, 0, t, pic.width, h)
}
chop_match_b(pic, refc) {
b := this.get_row_mism_rev(pic, refc, pic.height-1)
if b <= 0
return pic
return this.crop(pic, 0, 0, pic.width, b)
}
chop_match_l(pic, refc) {
t := this.get_col_mism(pic, refc, 0)
if t <= 0
return pic
w := pic.width - t
return this.crop(pic, t, 0, w, pic.height)
}
chop_mism_l(pic, refc) {
t := this.get_col_match(pic, refc, 0)
if t <= 0
return pic
w := pic.width - t
return this.crop(pic, t, 0, w, pic.height)
}
chop_match_r(pic, refc) {
t := this.get_col_mism_rev(pic, refc, pic.width - 1)
if t <= 0
return pic
return this.crop(pic, 0, 0, t, pic.height)
}
chop_mism_r(pic, refc) {
t := this.get_col_match_rev(pic, refc, pic.width - 1)
if t <= 0
return pic
return this.crop(pic, 0, 0, t, pic.height)
}
chop_mism_then_match_l(pic, refc, minimumGap := 1) {
t := this.get_col_match(pic, refc, 0,,, minimumGap)
if t <= 0
return pic
t := this.get_col_mism(pic, refc, t)
if t <= 0
return pic
w := pic.width - t
return this.crop(pic, t, 0, w, pic.height)
}
chop_mism_then_match_r(pic, refc, minimumGap := 1) {
t := imgu.get_col_match_rev(pic, refc, pic.width - 1,,, minimumGap)
if t <= 0
return pic
t := imgu.get_col_mism_rev(pic, refc, t)
if t <= 0
return pic
return this.crop(pic, 0, 0, t, pic.height)
}
;########################################################################################################
; crop-grab
;########################################################################################################
grab_mism_t(pic, refc) {
b := this.get_row_match(pic, refc, 0)
if b <= 0
return 0
return this.crop(pic, 0, 0, pic.width, b)
}
grab_mism_b(pic, refc) {
b := this.get_row_match_rev(pic, refc, pic.height-1)
h := pic.height - b
if h <= 0
return 0
return this.crop(pic, 0, b, pic.width, h)
}
grab_mism_l(pic, refc) {
l := this.get_col_match(pic, refc, 0)
if l <= 0
return 0
return this.crop(pic, 0, 0, l, pic.height)
}
grab_mism_r(pic, refc) {
r := imgu.get_col_match_rev(pic, refc, pic.width-1)
w := pic.width - r
if r <= 0
return 0
return this.crop(pic, r, 0, pic.width-r, pic.height)
}