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.