189 lines
5.0 KiB
Fortran
189 lines
5.0 KiB
Fortran
! -------------------------------------------------------------------
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!- fonctions diverses pour faire des images bizarres
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! -------------------------------------------------------------------
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module utils_ga
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use pixrgb
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implicit none
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contains
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! -------------------------------------------------------------------
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function fair_random_dice()
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integer :: fair_random_dice
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fair_random_dice = 1 + int(rand()*6.0)
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end function
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! -------------------------------------------------------------------
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! usage --> see doublegauss.f90
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function fair_random_gauss(hilevel)
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integer, intent(in) :: hilevel
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integer :: fair_random_gauss
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integer :: foo, bar
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foo = int((rand()*hilevel)/2)
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bar = int((rand()*hilevel)/2)
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fair_random_gauss = 1 + foo + bar
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end function
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! -------------------------------------------------------------------
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! usage --> see doublegauss.f90
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subroutine increment_pixel(pix, k)
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type(t_pixrgb), intent(inout) :: pix
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integer :: k
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pix%r = pix%r + k
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pix%g = pix%g + k
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pix%b = pix%b + k
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end subroutine
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! -------------------------------------------------------------------
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subroutine make_bar_dot(image, ix, iy)
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type(t_pixrgb), intent(inout) :: image(:,:)
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integer, intent(in) :: ix, iy
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integer :: foo
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do foo=-1, 1
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image(ix+foo, iy)%r = 45000
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image(ix+foo, iy)%g = 5000
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image(ix+foo, iy)%b = 45000
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enddo
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image(ix-2, iy)%g = 45000
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image(ix , iy)%g = 65500
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image(ix+2, iy)%g = 45000
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end subroutine
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! -------------------------------------------------------------------
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subroutine make_red_dot(image, ix, iy)
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type(t_pixrgb), intent(inout) :: image(:,:)
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integer, intent(in) :: ix, iy
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image(ix, iy)%r = 55000
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image(ix+1, iy)%r = 55000
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image(ix-1, iy)%r = 55000
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image(ix+2, iy)%r = 55000
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image(ix-2, iy)%r = 55000
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end subroutine
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!-- ------------------------------------------------------------------
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subroutine make_blue_dot(image, ix, iy)
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type(t_pixrgb), intent(inout) :: image(:,:)
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integer, intent(in) :: ix, iy
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image(ix, iy)%b = 65000
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image(ix, iy+1)%b = 65000
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image(ix, iy-1)%b = 65000
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image(ix, iy+2)%b = 65000
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image(ix, iy-2)%b = 65000
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end subroutine
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!-- ------------------------------------------------------------------
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subroutine make_big_dot(image, ix, iy)
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type(t_pixrgb), intent(inout) :: image(:,:)
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integer, intent(in) :: ix, iy
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image(ix, iy)%g = 65000
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image(ix-1, iy)%g = 56000
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image(ix, iy-1)%g = 56000
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image(ix+1, iy)%g = 56000
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image(ix, iy+1)%g = 56000
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image(ix+1, iy+1)%g = 24000
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image(ix-1, iy+1)%g = 24000
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image(ix+1, iy-1)%g = 24000
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image(ix-1, iy-1)%g = 24000
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end subroutine
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!-- ------------------------------------------------------------------
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subroutine dim_pix_rgb_sub(pix, k)
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type(t_pixrgb), intent(inout) :: pix(:,:)
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integer,intent(in) :: k
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integer :: ix, iy
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! write(0, *) "dim pixrgb", k
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do ix=1, ubound(pix, 1)
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do iy=1, ubound(pix, 2)
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if (pix(ix,iy)%r .GT. k) then
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pix(ix,iy)%r = pix(ix,iy)%r - k
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endif
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if (pix(ix,iy)%g .GT. k) then
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pix(ix,iy)%g = pix(ix,iy)%g - k
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endif
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if (pix(ix,iy)%b .GT. k) then
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pix(ix,iy)%b = pix(ix,iy)%b - k
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endif
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enddo
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enddo
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end subroutine
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! -------------------------------------------------------------------
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subroutine clear_image(image, border)
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type(t_pixrgb), intent(inout) :: image(:,:)
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integer, intent(in) :: border
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integer :: ix, iy
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! write(0, *) "dim 1 =", ubound(image, 1)
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! write(0, *) "dim 2 =", ubound(image, 2)
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do ix=1+border, ubound(image, 1)-border
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do iy=1+border, ubound(image, 2)-border
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image(ix, iy)%r = 5555
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image(ix, iy)%g = 0
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image(ix, iy)%b = 0
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enddo
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enddo
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end subroutine
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! -------------------------------------------------------------------
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subroutine dim_pix_rgb_mul(pix, fk)
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type(t_pixrgb), intent(inout) :: pix(:,:)
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real,intent(in) :: fk
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integer :: ix, iy
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! write(0, *) "dim pixrgb", k
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do ix=1, ubound(pix, 1)
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do iy=1, ubound(pix, 2)
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pix(ix,iy)%r = int(float(pix(ix,iy)%r)*fk)
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pix(ix,iy)%g = int(float(pix(ix,iy)%g)*fk)
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pix(ix,iy)%b = int(float(pix(ix,iy)%b)*fk)
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enddo
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enddo
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end subroutine
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! -------------------------------------------------------------------
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subroutine fill_random_gauss(image, mval, marge)
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type(t_pixrgb), intent(inout) :: image(:,:)
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integer,intent(in) :: mval, marge
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integer :: ix, iy
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! write(0, *) "dim 1 =", ubound(image, 1)
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! write(0, *) "dim 2 =", ubound(image, 2)
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do ix=1+marge, ubound(image, 1)-marge
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do iy=1+marge, ubound(image, 2)-marge
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image(ix, iy)%r = fair_random_gauss(mval)
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image(ix, iy)%g = fair_random_gauss(mval)
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image(ix, iy)%b = fair_random_gauss(mval)
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enddo
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enddo
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end subroutine
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!-- ------------------------------------------------------------------
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end module
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