--- /dev/null
+# File : begin
+
+# Procedure to check color in the point near default coordinate
+
+proc checkpoint {coord_x coord_y rd_ch gr_ch bl_ch} {
+ set x_start [expr ${coord_x} - 2]
+ set y_start [expr ${coord_y} - 2]
+ set mistake 0
+ set i 0
+ while { $mistake != 1 && $i <= 5 } {
+ set j 0
+ while { $mistake != 1 && $j <= 5 } {
+ set position_x [expr ${x_start} + $j]
+ set position_y [expr ${y_start} + $i]
+ puts $position_x
+ puts $position_y
+ global color2d
+ if { [info exists color2d] } {
+ set color [ QAAISGetPixelColor2d ${position_x} ${position_y} ]
+ } else {
+ set color [ QAGetPixelColor ${position_x} ${position_y} ]
+ }
+ regexp {RED +: +([-0-9.+eE]+)} $color full rd
+ regexp {GREEN +: +([-0-9.+eE]+)} $color full gr
+ regexp {BLUE +: +([-0-9.+eE]+)} $color full bl
+ set rd_int [expr int($rd * 1.e+05)]
+ set gr_int [expr int($gr * 1.e+05)]
+ set bl_int [expr int($bl * 1.e+05)]
+
+ if { $rd_ch != 0 } {
+ set tol_rd [expr abs($rd_ch - $rd_int)/$rd_ch]
+ } else {
+ set tol_rd $rd_int
+ }
+ if { $gr_ch != 0 } {
+ set tol_gr [expr abs($gr_ch - $gr_int)/$gr_ch]
+ } else {
+ set tol_gr $gr_int
+ }
+ if { $bl_ch != 0 } {
+ set tol_bl [expr abs($bl_ch - $bl_int)/$bl_ch]
+ } else {
+ set tol_bl $bl_int
+ }
+
+ if { $tol_rd > 0.2 || $tol_gr > 0.2 || $tol_bl > 0.2 } {
+ puts "Warning : Point with true color was not found near default coordinates"
+ set mistake 0
+ } else {
+ set mistake 1
+ }
+ incr j
+ }
+ incr i
+ }
+ return $mistake
+}
+
+# Procedure to check color using command QAgetPixelColor with tolerance
+proc checkcolor { coord_x coord_y rd_get gr_get bl_get } {
+ puts "Coordinate x = $coord_x"
+ puts "Coordinate y = $coord_y"
+ puts "RED color of RGB is $rd_get"
+ puts "GREEN color of RGB is $gr_get"
+ puts "BLUE color of RGB is $bl_get"
+
+ if { $coord_x <= 1 || $coord_y <= 1 } {
+ puts "Error : minimal coordinate is x = 2, y = 2. But we have x = $coord_x y = $coord_y"
+ return -1
+ }
+ global color2d
+ if { [info exists color2d] } {
+ set color [ QAAISGetPixelColor2d ${coord_x} ${coord_y} ]
+ } else {
+ set color [ QAGetPixelColor ${coord_x} ${coord_y} ]
+ }
+
+ regexp {RED +: +([-0-9.+eE]+)} $color full rd
+ regexp {GREEN +: +([-0-9.+eE]+)} $color full gr
+ regexp {BLUE +: +([-0-9.+eE]+)} $color full bl
+ set rd_int [expr int($rd * 1.e+05)]
+ set gr_int [expr int($gr * 1.e+05)]
+ set bl_int [expr int($bl * 1.e+05)]
+ set rd_ch [expr int($rd_get * 1.e+05)]
+ set gr_ch [expr int($gr_get * 1.e+05)]
+ set bl_ch [expr int($bl_get * 1.e+05)]
+
+ if { $rd_ch != 0 } {
+ set tol_rd [expr abs($rd_ch - $rd_int)/$rd_ch]
+ } else {
+ set tol_rd $rd_int
+ }
+ if { $gr_ch != 0 } {
+ set tol_gr [expr abs($gr_ch - $gr_int)/$gr_ch]
+ } else {
+ set tol_gr $gr_int
+ }
+ if { $bl_ch != 0 } {
+ set tol_bl [expr abs($bl_ch - $bl_int)/$bl_ch]
+ } else {
+ set tol_bl $bl_int
+ }
+ set status 0
+ if { $tol_rd > 0.2 } {
+ puts "Warning : RED light of additive color model RGB is invalid"
+ set status 1
+ }
+ if { $tol_gr > 0.2 } {
+ puts "Warning : GREEN light of additive color model RGB is invalid"
+ set status 1
+ }
+ if { $tol_bl > 0.2 } {
+ puts "Warning : BLUE light of additive color model RGB is invalid"
+ set status 1
+ }
+
+ if { $status != 0 } {
+ puts "Warning : Colors of default coordinate are not equal"
+ }
+
+ global stat
+ if { $tol_rd > 0.2 || $tol_gr > 0.2 || $tol_bl > 0.2 } {
+ set info [checkpoint $coord_x $coord_y $rd_ch $gr_ch $bl_ch]
+ set stat [lindex $info end]
+ if { ${stat} != 1 } {
+ puts "Error : Colors are not equal in default coordinate and in the near coordinates too"
+ return $stat
+ } else {
+ puts "Point with valid color was found"
+ return $stat
+ }
+ } else {
+ set stat 1
+ }
+}