pods::SDL::GFX::ImageFilter(3)

NAME
SDL::GFX::ImageFilter - image filtering functions

CATEGORY
TODO, GFX

METHODS

  MMX_detect
int gfx_image_MMX_detect()
    CODE:
    SDL_imageFilterMMXdetect();

  MMX_off
void gfx_image_MMX_off()
    CODE:
    SDL_imageFilterMMXoff();

  MMX_on
void gfx_image_MMX_on()
    CODE:
    SDL_imageFilterMMXon();

  add
int gfx_image_add(Src1, Src2, Dest, length)
    unsigned char *Src1
    unsigned char *Src2
    unsigned char *Dest
    int length
    CODE:
        RETVAL = SDL_imageFilterAdd(Src1, Src2, Dest, length);
    OUTPUT:
        RETVAL

  mean
int gfx_image_mean(Src1, Src2, Dest, length)
    unsigned char *Src1
    unsigned char *Src2
    unsigned char *Dest
    int length
    CODE:
        RETVAL = SDL_imageFilterMean(Src1, Src2, Dest, length);
    OUTPUT:
        RETVAL

  sub
int gfx_image_sub(Src1, Src2, Dest, length)
    unsigned char *Src1
    unsigned char *Src2
    unsigned char *Dest
    int length
    CODE:
        RETVAL = SDL_imageFilterSub(Src1, Src2, Dest, length);
    OUTPUT:
        RETVAL

  abs_diff
int gfx_image_abs_diff(Src1, Src2, Dest, length)
    unsigned char *Src1
    unsigned char *Src2
    unsigned char *Dest
    int length
    CODE:
        RETVAL = SDL_imageFilterAbsDiff(Src1, Src2, Dest, length);
    OUTPUT:
        RETVAL

  mult
int gfx_image_mult(Src1, Src2, Dest, length)
    unsigned char *Src1
    unsigned char *Src2
    unsigned char *Dest
    int length
    CODE:
        RETVAL = SDL_imageFilterMult(Src1, Src2, Dest, length);
    OUTPUT:
        RETVAL

  mult_nor
int gfx_image_mult_nor(Src1, Src2, Dest, length)
    unsigned char *Src1
    unsigned char *Src2
    unsigned char *Dest
    int length
    CODE:
        RETVAL = SDL_imageFilterMultNor(Src1, Src2, Dest, length);
    OUTPUT:
        RETVAL

  mult_div_by_2
int gfx_image_mult_div_by_2(Src1, Src2, Dest, length)
    unsigned char *Src1
    unsigned char *Src2
    unsigned char *Dest
    int length
    CODE:
        RETVAL = SDL_imageFilterMultDivby2(Src1, Src2, Dest, length);
    OUTPUT:
        RETVAL

  mult_div_by_4
int gfx_image_mult_div_by_4(Src1, Src2, Dest, length)
    unsigned char *Src1
    unsigned char *Src2
    unsigned char *Dest
    int length
    CODE:
        RETVAL = SDL_imageFilterMultDivby4(Src1, Src2, Dest, length);
    OUTPUT:
        RETVAL

  bit_and
int gfx_image_bit_and(Src1, Src2, Dest, length)
    unsigned char *Src1
    unsigned char *Src2
    unsigned char *Dest
    int length
    CODE:
        RETVAL = SDL_imageFilterBitAnd(Src1, Src2, Dest, length);
    OUTPUT:
        RETVAL

  bit_or
int gfx_image_bit_or(Src1, Src2, Dest, length)
    unsigned char *Src1
    unsigned char *Src2
    unsigned char *Dest
    int length
    CODE:
        RETVAL = SDL_imageFilterBitOr(Src1, Src2, Dest, length);
    OUTPUT:
        RETVAL

  div
int gfx_image_div(Src1, Src2, Dest, length)
    unsigned char *Src1
    unsigned char *Src2
    unsigned char *Dest
    int length
    CODE:
        RETVAL = SDL_imageFilterDiv(Src1, Src2, Dest, length);
    OUTPUT:
        RETVAL

  bit_negation
int gfx_image_bit_negation(Src1, Dest, length)
    unsigned char *Src1
    unsigned char *Dest
    int length
    CODE:
        RETVAL = SDL_imageFilterBitNegation(Src1, Dest, length);
    OUTPUT:
        RETVAL

  add_byte
int gfx_image_add_byte(Src1, Dest, length, C)
    unsigned char *Src1
    unsigned char *Dest
    int length
    unsigned char C
    CODE:
        RETVAL = SDL_imageFilterAddByte(Src1, Dest, length, C);
    OUTPUT:
        RETVAL

  add_uint
int gfx_image_add_uint(Src1, Dest, length, C)
    unsigned char *Src1
    unsigned char *Dest
    int length
    unsigned int C
    CODE:
        RETVAL = SDL_imageFilterAddUint(Src1, Dest, length, C);
    OUTPUT:
        RETVAL

  add_byte_to_half
int gfx_image_add_byte_to_half(Src1, Dest, length, C)
    unsigned char *Src1
    unsigned char *Dest
    int length
    unsigned char C
    CODE:
        RETVAL = SDL_imageFilterAddByteToHalf(Src1, Dest, length, C);
    OUTPUT:
        RETVAL

  sub_byte
int gfx_image_sub_byte(Src1, Dest, length, C)
    unsigned char *Src1
    unsigned char *Dest
    int length
    unsigned char C
    CODE:
        RETVAL = SDL_imageFilterSubByte(Src1, Dest, length, C);
    OUTPUT:
        RETVAL

  sub_uint
int gfx_image_sub_uint(Src1, Dest, length, C)
    unsigned char *Src1
    unsigned char *Dest
    int length
    unsigned int C
    CODE:
        RETVAL = SDL_imageFilterSubUint(Src1, Dest, length, C);
    OUTPUT:
        RETVAL

  shift_right
int gfx_image_shift_right(Src1, Dest, length, N)
    unsigned char *Src1
    unsigned char *Dest
    int length
    unsigned char N
    CODE:
        RETVAL = SDL_imageFilterShiftRight(Src1, Dest, length, N);
    OUTPUT:
        RETVAL

  shift_right_uint
int gfx_image_shift_right_uint(Src1, Dest, length, N)
    unsigned char *Src1
    unsigned char *Dest
    int length
    unsigned char N
    CODE:
        RETVAL = SDL_imageFilterShiftRightUint(Src1, Dest, length, N);
    OUTPUT:
        RETVAL

  mult_by_byte
int gfx_image_mult_by_byte(Src1, Dest, length, C)
    unsigned char *Src1
    unsigned char *Dest
    int length
    unsigned char C
    CODE:
        RETVAL = SDL_imageFilterMultByByte(Src1, Dest, length, C);
    OUTPUT:
        RETVAL

  shift_right_and_mult_by_byte
int gfx_image_shift_right_and_mult_by_byte(Src1, Dest, length, N, C)
    unsigned char *Src1
    unsigned char *Dest
    int length
    unsigned char N
    unsigned char C
    CODE:
        RETVAL = SDL_imageFilterShiftRightAndMultByByte(Src1, Dest, length, N, C);
    OUTPUT:
        RETVAL

  shift_left_byte
int gfx_image_shift_left_byte(Src1, Dest, length, N)
    unsigned char *Src1
    unsigned char *Dest
    int length
    unsigned char N
    CODE:
        RETVAL = SDL_imageFilterShiftLeftByte(Src1, Dest, length, N);
    OUTPUT:
        RETVAL

  shift_left_uint
int gfx_image_shift_left_uint(Src1, Dest, length, N)
    unsigned char *Src1
    unsigned char *Dest
    int length
    unsigned char N
    CODE:
        RETVAL = SDL_imageFilterShiftLeftUint(Src1, Dest, length, N);
    OUTPUT:
        RETVAL

  shift_left
int gfx_image_shift_left(Src1, Dest, length, N)
    unsigned char *Src1
    unsigned char *Dest
    int length
    unsigned char N
    CODE:
        RETVAL = SDL_imageFilterShiftLeft(Src1, Dest, length, N);
    OUTPUT:
        RETVAL

  binarize_using_threshold
int gfx_image_binarize_using_threshold(Src1, Dest, length, T)
    unsigned char *Src1
    unsigned char *Dest
    int length
    unsigned char T
    CODE:
        RETVAL = SDL_imageFilterBinarizeUsingThreshold(Src1, Dest, length, T);
    OUTPUT:
        RETVAL

  clip_to_range
int gfx_image_clip_to_range(Src1, Dest, length, Tmin, Tmax)
    unsigned char *Src1
    unsigned char *Dest
    int length
    unsigned char Tmin
    unsigned char Tmax
    CODE:
        RETVAL = SDL_imageFilterClipToRange(Src1, Dest, length, Tmin, Tmax);
    OUTPUT:
        RETVAL

  normalize_linear
int gfx_image_normalize_linear(Src1, Dest, length, Cmin, Cmax, Nmin, Nmax)
    unsigned char *Src1
    unsigned char *Dest
    int length
    int Cmin
    int Cmax
    int Nmin
    int Nmax
    CODE:
        RETVAL = SDL_imageFilterNormalizeLinear(Src1, Dest, length, Cmin, Cmax, Nmin, Nmax);
    OUTPUT:
        RETVAL

  convolve_kernel_3x3_divide
int gfx_image_convolve_kernel_3x3_divide(Src, Dest, rows, columns, Kernel, Divisor)
    unsigned char *Src
    unsigned char *Dest
    int rows
    int columns
    Sint16 *Kernel
    unsigned char Divisor
    CODE:
        RETVAL = SDL_imageFilterConvolveKernel3x3Divide(Src, Dest, rows, columns, Kernel, Divisor);
    OUTPUT:
        RETVAL

  convolve_kernel_5x5_divide
int gfx_image_convolve_kernel_5x5_divide(Src, Dest, rows, columns, Kernel, Divisor)
    unsigned char *Src
    unsigned char *Dest
    int rows
    int columns
    Sint16 *Kernel
    unsigned char Divisor
    CODE:
        RETVAL = SDL_imageFilterConvolveKernel5x5Divide(Src, Dest, rows, columns, Kernel, Divisor);
    OUTPUT:
        RETVAL

  convolve_kernel_7x7_divide
int gfx_image_convolve_kernel_7x7_divide(Src, Dest, rows, columns, Kernel, Divisor)
    unsigned char *Src
    unsigned char *Dest
    int rows
    int columns
    Sint16 *Kernel
    unsigned char Divisor
    CODE:
        RETVAL = SDL_imageFilterConvolveKernel7x7Divide(Src, Dest, rows, columns, Kernel, Divisor);
    OUTPUT:
        RETVAL

  convolve_kernel_9x9_divide
int gfx_image_convolve_kernel_9x9_divide(Src, Dest, rows, columns, Kernel, Divisor)
    unsigned char *Src
    unsigned char *Dest
    int rows
    int columns
    Sint16 *Kernel
    unsigned char Divisor
    CODE:
        RETVAL = SDL_imageFilterConvolveKernel9x9Divide(Src, Dest, rows, columns, Kernel, Divisor);
    OUTPUT:
        RETVAL

  convolve_kernel_3x3_shift_right
int gfx_image_convolve_kernel_3x3_shift_right(Src, Dest, rows, columns, Kernel, NRightShift)
    unsigned char *Src
    unsigned char *Dest
    int rows
    int columns
    Sint16 *Kernel
    unsigned char NRightShift
    CODE:
        RETVAL = SDL_imageFilterConvolveKernel3x3ShiftRight(Src, Dest, rows, columns, Kernel, NRightShift);
    OUTPUT:
        RETVAL

  convolve_kernel_5x5_shift_right
int gfx_image_convolve_kernel_5x5_shift_right(Src, Dest, rows, columns, Kernel, NRightShift)
    unsigned char *Src
    unsigned char *Dest
    int rows
    int columns
    Sint16 *Kernel
    unsigned char NRightShift
    CODE:
        RETVAL = SDL_imageFilterConvolveKernel5x5ShiftRight(Src, Dest, rows, columns, Kernel, NRightShift);
    OUTPUT:
        RETVAL

  convolve_kernel_7x7_shift_right
int gfx_image_convolve_kernel_7x7_shift_right(Src, Dest, rows, columns, Kernel, NRightShift)
    unsigned char *Src
    unsigned char *Dest
    int rows
    int columns
    Sint16 *Kernel
    unsigned char NRightShift
    CODE:
        RETVAL = SDL_imageFilterConvolveKernel7x7ShiftRight(Src, Dest, rows, columns, Kernel, NRightShift);
    OUTPUT:
        RETVAL

  convolve_kernel_9x9_shift_right
int gfx_image_convolve_kernel_9x9_shift_right(Src, Dest, rows, columns, Kernel, NRightShift)
    unsigned char *Src
    unsigned char *Dest
    int rows
    int columns
    Sint16 *Kernel
    unsigned char NRightShift
    CODE:
        RETVAL = SDL_imageFilterConvolveKernel9x9ShiftRight(Src, Dest, rows, columns, Kernel, NRightShift);
    OUTPUT:
        RETVAL

  sobel_x
int gfx_image_sobel_x(Src, Dest, rows, columns)
    unsigned char *Src
    unsigned char *Dest
    int rows
    int columns
    CODE:
        RETVAL = SDL_imageFilterSobelX(Src, Dest, rows, columns);
    OUTPUT:
        RETVAL

  sobel_x_shift_right
int gfx_image_sobel_x_shift_right(Src, Dest, rows, columns, NRightShift)
    unsigned char *Src
    unsigned char *Dest
    int rows
    int columns
    unsigned char NRightShift
    CODE:
        RETVAL = SDL_imageFilterSobelXShiftRight(Src, Dest, rows, columns, NRightShift);
    OUTPUT:
        RETVAL

  align_stack
void gfx_image_align_stack()
    CODE:
    SDL_imageFilterAlignStack();

  restore_stack
void gfx_image_restore_stack()
    CODE:
    SDL_imageFilterRestoreStack();

AUTHORS
See "AUTHORS" in SDL.