examples/lib use the new wrappers

This commit is contained in:
Andreas Rumpf 2010-02-28 23:04:18 +01:00
commit b559285b78
133 changed files with 17038 additions and 151734 deletions

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#
# $Id: sdl_gfx.pas,v 1.3 2007/05/29 21:31:04 savage Exp $
#
#
#
# $Log: sdl_gfx.pas,v $
# Revision 1.3 2007/05/29 21:31:04 savage
# Changes as suggested by Almindor for 64bit compatibility.
#
# Revision 1.2 2007/05/20 20:30:18 savage
# Initial Changes to Handle 64 Bits
#
# Revision 1.1 2005/01/03 19:08:32 savage
# Header for the SDL_Gfx library.
#
#
#
#
import
sdl
when defined(windows):
const SDLgfxLibName = "SDL_gfx.dll"
elif defined(macosx):
const SDLgfxLibName = "libSDL_gfx.dylib"
else:
const SDLgfxLibName = "libSDL_gfx.so"
const # Some rates in Hz
FPS_UPPER_LIMIT* = 200
FPS_LOWER_LIMIT* = 1
FPS_DEFAULT* = 30 # ---- Defines
SMOOTHING_OFF* = 0
SMOOTHING_ON* = 1
type
PFPSmanager* = ptr TFPSmanager
TFPSmanager*{.final.} = object # ---- Structures
framecount*: Uint32
rateticks*: float32
lastticks*: Uint32
rate*: Uint32
PColorRGBA* = ptr TColorRGBA
TColorRGBA*{.final.} = object
r*: Uint8
g*: Uint8
b*: Uint8
a*: Uint8
PColorY* = ptr TColorY
TColorY*{.final.} = object #
#
# SDL_framerate: framerate manager
#
# LGPL (c) A. Schiffler
#
#
y*: Uint8
proc SDL_initFramerate*(manager: PFPSmanager){.cdecl, importc, dynlib: SDLgfxLibName.}
proc SDL_setFramerate*(manager: PFPSmanager, rate: int): int{.cdecl,
importc, dynlib: SDLgfxLibName.}
proc SDL_getFramerate*(manager: PFPSmanager): int{.cdecl, importc, dynlib: SDLgfxLibName.}
proc SDL_framerateDelay*(manager: PFPSmanager){.cdecl, importc, dynlib: SDLgfxLibName.}
#
#
# SDL_gfxPrimitives: graphics primitives for SDL
#
# LGPL (c) A. Schiffler
#
#
# Note: all ___Color routines expect the color to be in format 0xRRGGBBAA
# Pixel
proc pixelColor*(dst: PSDL_Surface, x: Sint16, y: Sint16, color: Uint32): int{.
cdecl, importc, dynlib: SDLgfxLibName.}
proc pixelRGBA*(dst: PSDL_Surface, x: Sint16, y: Sint16, r: Uint8, g: Uint8,
b: Uint8, a: Uint8): int{.cdecl, importc, dynlib: SDLgfxLibName.}
# Horizontal line
proc hlineColor*(dst: PSDL_Surface, x1: Sint16, x2: Sint16, y: Sint16,
color: Uint32): int{.cdecl, importc, dynlib: SDLgfxLibName.}
proc hlineRGBA*(dst: PSDL_Surface, x1: Sint16, x2: Sint16, y: Sint16, r: Uint8,
g: Uint8, b: Uint8, a: Uint8): int{.cdecl, importc, dynlib: SDLgfxLibName.}
# Vertical line
proc vlineColor*(dst: PSDL_Surface, x: Sint16, y1: Sint16, y2: Sint16,
color: Uint32): int{.cdecl, importc, dynlib: SDLgfxLibName.}
proc vlineRGBA*(dst: PSDL_Surface, x: Sint16, y1: Sint16, y2: Sint16, r: Uint8,
g: Uint8, b: Uint8, a: Uint8): int{.cdecl, importc, dynlib: SDLgfxLibName.}
# Rectangle
proc rectangleColor*(dst: PSDL_Surface, x1: Sint16, y1: Sint16, x2: Sint16,
y2: Sint16, color: Uint32): int{.cdecl,
importc, dynlib: SDLgfxLibName.}
proc rectangleRGBA*(dst: PSDL_Surface, x1: Sint16, y1: Sint16, x2: Sint16,
y2: Sint16, r: Uint8, g: Uint8, b: Uint8, a: Uint8): int{.
cdecl, importc, dynlib: SDLgfxLibName.}
# Filled rectangle (Box)
proc boxColor*(dst: PSDL_Surface, x1: Sint16, y1: Sint16, x2: Sint16,
y2: Sint16, color: Uint32): int{.cdecl, importc, dynlib: SDLgfxLibName.}
proc boxRGBA*(dst: PSDL_Surface, x1: Sint16, y1: Sint16, x2: Sint16, y2: Sint16,
r: Uint8, g: Uint8, b: Uint8, a: Uint8): int{.cdecl,
importc, dynlib: SDLgfxLibName.}
# Line
proc lineColor*(dst: PSDL_Surface, x1: Sint16, y1: Sint16, x2: Sint16,
y2: Sint16, color: Uint32): int{.cdecl, importc, dynlib: SDLgfxLibName.}
proc lineRGBA*(dst: PSDL_Surface, x1: Sint16, y1: Sint16, x2: Sint16,
y2: Sint16, r: Uint8, g: Uint8, b: Uint8, a: Uint8): int{.cdecl,
importc, dynlib: SDLgfxLibName.}
# AA Line
proc aalineColor*(dst: PSDL_Surface, x1: Sint16, y1: Sint16, x2: Sint16,
y2: Sint16, color: Uint32): int{.cdecl, importc, dynlib: SDLgfxLibName.}
proc aalineRGBA*(dst: PSDL_Surface, x1: Sint16, y1: Sint16, x2: Sint16,
y2: Sint16, r: Uint8, g: Uint8, b: Uint8, a: Uint8): int{.
cdecl, importc, dynlib: SDLgfxLibName.}
# Circle
proc circleColor*(dst: PSDL_Surface, x: Sint16, y: Sint16, r: Sint16,
color: Uint32): int{.cdecl, importc, dynlib: SDLgfxLibName.}
proc circleRGBA*(dst: PSDL_Surface, x: Sint16, y: Sint16, rad: Sint16, r: Uint8,
g: Uint8, b: Uint8, a: Uint8): int{.cdecl,
importc, dynlib: SDLgfxLibName.}
# AA Circle
proc aacircleColor*(dst: PSDL_Surface, x: Sint16, y: Sint16, r: Sint16,
color: Uint32): int{.cdecl, importc, dynlib: SDLgfxLibName.}
proc aacircleRGBA*(dst: PSDL_Surface, x: Sint16, y: Sint16, rad: Sint16,
r: Uint8, g: Uint8, b: Uint8, a: Uint8): int{.cdecl,
importc, dynlib: SDLgfxLibName.}
# Filled Circle
proc filledCircleColor*(dst: PSDL_Surface, x: Sint16, y: Sint16, r: Sint16,
color: Uint32): int{.cdecl, importc, dynlib: SDLgfxLibName.}
proc filledCircleRGBA*(dst: PSDL_Surface, x: Sint16, y: Sint16, rad: Sint16,
r: Uint8, g: Uint8, b: Uint8, a: Uint8): int{.cdecl,
importc, dynlib: SDLgfxLibName.}
# Ellipse
proc ellipseColor*(dst: PSDL_Surface, x: Sint16, y: Sint16, rx: Sint16,
ry: Sint16, color: Uint32): int{.cdecl, importc, dynlib: SDLgfxLibName.}
proc ellipseRGBA*(dst: PSDL_Surface, x: Sint16, y: Sint16, rx: Sint16,
ry: Sint16, r: Uint8, g: Uint8, b: Uint8, a: Uint8): int{.
cdecl, importc, dynlib: SDLgfxLibName.}
# AA Ellipse
proc aaellipseColor*(dst: PSDL_Surface, xc: Sint16, yc: Sint16, rx: Sint16,
ry: Sint16, color: Uint32): int{.cdecl,
importc, dynlib: SDLgfxLibName.}
proc aaellipseRGBA*(dst: PSDL_Surface, x: Sint16, y: Sint16, rx: Sint16,
ry: Sint16, r: Uint8, g: Uint8, b: Uint8, a: Uint8): int{.
cdecl, importc, dynlib: SDLgfxLibName.}
# Filled Ellipse
proc filledEllipseColor*(dst: PSDL_Surface, x: Sint16, y: Sint16, rx: Sint16,
ry: Sint16, color: Uint32): int{.cdecl,
importc, dynlib: SDLgfxLibName.}
proc filledEllipseRGBA*(dst: PSDL_Surface, x: Sint16, y: Sint16, rx: Sint16,
ry: Sint16, r: Uint8, g: Uint8, b: Uint8, a: Uint8): int{.
cdecl, importc, dynlib: SDLgfxLibName.}
# Pie
proc pieColor*(dst: PSDL_Surface, x: Sint16, y: Sint16, rad: Sint16,
start: Sint16, finish: Sint16, color: Uint32): int{.cdecl,
importc, dynlib: SDLgfxLibName.}
proc pieRGBA*(dst: PSDL_Surface, x: Sint16, y: Sint16, rad: Sint16,
start: Sint16, finish: Sint16, r: Uint8, g: Uint8, b: Uint8,
a: Uint8): int{.cdecl, importc, dynlib: SDLgfxLibName.}
# Filled Pie
proc filledPieColor*(dst: PSDL_Surface, x: Sint16, y: Sint16, rad: Sint16,
start: Sint16, finish: Sint16, color: Uint32): int{.cdecl,
importc, dynlib: SDLgfxLibName.}
proc filledPieRGBA*(dst: PSDL_Surface, x: Sint16, y: Sint16, rad: Sint16,
start: Sint16, finish: Sint16, r: Uint8, g: Uint8, b: Uint8,
a: Uint8): int{.cdecl, importc, dynlib: SDLgfxLibName.}
# Trigon
proc trigonColor*(dst: PSDL_Surface, x1: Sint16, y1: Sint16, x2: Sint16,
y2: Sint16, x3: Sint16, y3: Sint16, color: Uint32): int{.
cdecl, importc, dynlib: SDLgfxLibName.}
proc trigonRGBA*(dst: PSDL_Surface, x1: Sint16, y1: Sint16, x2: Sint16,
y2: Sint16, x3: Sint16, y3: Sint16, r: Uint8, g: Uint8,
b: Uint8, a: Uint8): int{.cdecl, importc, dynlib: SDLgfxLibName.}
# AA-Trigon
proc aatrigonColor*(dst: PSDL_Surface, x1: Sint16, y1: Sint16, x2: Sint16,
y2: Sint16, x3: Sint16, y3: Sint16, color: Uint32): int{.
cdecl, importc, dynlib: SDLgfxLibName.}
proc aatrigonRGBA*(dst: PSDL_Surface, x1: Sint16, y1: Sint16, x2: Sint16,
y2: Sint16, x3: Sint16, y3: Sint16, r: Uint8, g: Uint8,
b: Uint8, a: Uint8): int{.cdecl, importc, dynlib: SDLgfxLibName.}
# Filled Trigon
proc filledTrigonColor*(dst: PSDL_Surface, x1: Sint16, y1: Sint16, x2: Sint16,
y2: Sint16, x3: Sint16, y3: Sint16, color: Uint32): int{.
cdecl, importc, dynlib: SDLgfxLibName.}
proc filledTrigonRGBA*(dst: PSDL_Surface, x1: Sint16, y1: Sint16, x2: Sint16,
y2: Sint16, x3: Sint16, y3: Sint16, r: Uint8, g: Uint8,
b: Uint8, a: Uint8): int{.cdecl, importc, dynlib: SDLgfxLibName.}
# Polygon
proc polygonColor*(dst: PSDL_Surface, vx: PSint16, vy: PSint16, n: int,
color: Uint32): int{.cdecl, importc, dynlib: SDLgfxLibName.}
proc polygonRGBA*(dst: PSDL_Surface, vx: PSint16, vy: PSint16, n: int, r: Uint8,
g: Uint8, b: Uint8, a: Uint8): int{.cdecl,
importc, dynlib: SDLgfxLibName.}
# AA-Polygon
proc aapolygonColor*(dst: PSDL_Surface, vx: PSint16, vy: PSint16, n: int,
color: Uint32): int{.cdecl, importc, dynlib: SDLgfxLibName.}
proc aapolygonRGBA*(dst: PSDL_Surface, vx: PSint16, vy: PSint16, n: int,
r: Uint8, g: Uint8, b: Uint8, a: Uint8): int{.cdecl,
importc, dynlib: SDLgfxLibName.}
# Filled Polygon
proc filledPolygonColor*(dst: PSDL_Surface, vx: PSint16, vy: PSint16, n: int,
color: Uint32): int{.cdecl, importc, dynlib: SDLgfxLibName.}
proc filledPolygonRGBA*(dst: PSDL_Surface, vx: PSint16, vy: PSint16, n: int,
r: Uint8, g: Uint8, b: Uint8, a: Uint8): int{.cdecl,
importc, dynlib: SDLgfxLibName.}
# Bezier
# s = number of steps
proc bezierColor*(dst: PSDL_Surface, vx: PSint16, vy: PSint16, n: int, s: int,
color: Uint32): int{.cdecl, importc, dynlib: SDLgfxLibName.}
proc bezierRGBA*(dst: PSDL_Surface, vx: PSint16, vy: PSint16, n: int, s: int,
r: Uint8, g: Uint8, b: Uint8, a: Uint8): int{.cdecl,
importc, dynlib: SDLgfxLibName.}
# Characters/Strings
proc characterColor*(dst: PSDL_Surface, x: Sint16, y: Sint16, c: char,
color: Uint32): int{.cdecl, importc, dynlib: SDLgfxLibName.}
proc characterRGBA*(dst: PSDL_Surface, x: Sint16, y: Sint16, c: char, r: Uint8,
g: Uint8, b: Uint8, a: Uint8): int{.cdecl,
importc, dynlib: SDLgfxLibName.}
proc stringColor*(dst: PSDL_Surface, x: Sint16, y: Sint16, c: cstring,
color: Uint32): int{.cdecl, importc, dynlib: SDLgfxLibName.}
proc stringRGBA*(dst: PSDL_Surface, x: Sint16, y: Sint16, c: cstring, r: Uint8,
g: Uint8, b: Uint8, a: Uint8): int{.cdecl,
importc, dynlib: SDLgfxLibName.}
proc gfxPrimitivesSetFont*(fontdata: Pointer, cw: int, ch: int){.cdecl,
importc, dynlib: SDLgfxLibName.}
#
#
# SDL_imageFilter - bytes-image "filter" routines
# (uses inline x86 MMX optimizations if available)
#
# LGPL (c) A. Schiffler
#
#
# Comments:
# 1.) MMX functions work best if all data blocks are aligned on a 32 bytes boundary.
# 2.) Data that is not within an 8 byte boundary is processed using the C routine.
# 3.) Convolution routines do not have C routines at this time.
# Detect MMX capability in CPU
proc SDL_imageFilterMMXdetect*(): int{.cdecl, importc, dynlib: SDLgfxLibName.}
# Force use of MMX off (or turn possible use back on)
proc SDL_imageFilterMMXoff*(){.cdecl, importc, dynlib: SDLgfxLibName.}
proc SDL_imageFilterMMXon*(){.cdecl, importc, dynlib: SDLgfxLibName.}
#
# All routines return:
# 0 OK
# -1 Error (internal error, parameter error)
#
# SDL_imageFilterAdd: D = saturation255(S1 + S2)
proc SDL_imageFilterAdd*(Src1: cstring, Src2: cstring, Dest: cstring, len: int): int{.
cdecl, importc, dynlib: SDLgfxLibName.}
# SDL_imageFilterMean: D = S1/2 + S2/2
proc SDL_imageFilterMean*(Src1: cstring, Src2: cstring, Dest: cstring, len: int): int{.
cdecl, importc, dynlib: SDLgfxLibName.}
# SDL_imageFilterSub: D = saturation0(S1 - S2)
proc SDL_imageFilterSub*(Src1: cstring, Src2: cstring, Dest: cstring, len: int): int{.
cdecl, importc, dynlib: SDLgfxLibName.}
# SDL_imageFilterAbsDiff: D = | S1 - S2 |
proc SDL_imageFilterAbsDiff*(Src1: cstring, Src2: cstring, Dest: cstring,
len: int): int{.cdecl, importc, dynlib: SDLgfxLibName.}
# SDL_imageFilterMult: D = saturation(S1 * S2)
proc SDL_imageFilterMult*(Src1: cstring, Src2: cstring, Dest: cstring, len: int): int{.
cdecl, importc, dynlib: SDLgfxLibName.}
# SDL_imageFilterMultNor: D = S1 * S2 (non-MMX)
proc SDL_imageFilterMultNor*(Src1: cstring, Src2: cstring, Dest: cstring,
len: int): int{.cdecl, importc, dynlib: SDLgfxLibName.}
# SDL_imageFilterMultDivby2: D = saturation255(S1/2 * S2)
proc SDL_imageFilterMultDivby2*(Src1: cstring, Src2: cstring, Dest: cstring,
len: int): int{.cdecl, importc, dynlib: SDLgfxLibName.}
# SDL_imageFilterMultDivby4: D = saturation255(S1/2 * S2/2)
proc SDL_imageFilterMultDivby4*(Src1: cstring, Src2: cstring, Dest: cstring,
len: int): int{.cdecl, importc, dynlib: SDLgfxLibName.}
# SDL_imageFilterBitAnd: D = S1 & S2
proc SDL_imageFilterBitAnd*(Src1: cstring, Src2: cstring, Dest: cstring,
len: int): int{.cdecl, importc, dynlib: SDLgfxLibName.}
# SDL_imageFilterBitOr: D = S1 | S2
proc SDL_imageFilterBitOr*(Src1: cstring, Src2: cstring, Dest: cstring, len: int): int{.
cdecl, importc, dynlib: SDLgfxLibName.}
# SDL_imageFilterDiv: D = S1 / S2 (non-MMX)
proc SDL_imageFilterDiv*(Src1: cstring, Src2: cstring, Dest: cstring, len: int): int{.
cdecl, importc, dynlib: SDLgfxLibName.}
# SDL_imageFilterBitNegation: D = !S
proc SDL_imageFilterBitNegation*(Src1: cstring, Dest: cstring, len: int): int{.
cdecl, importc, dynlib: SDLgfxLibName.}
# SDL_imageFilterAddByte: D = saturation255(S + C)
proc SDL_imageFilterAddByte*(Src1: cstring, Dest: cstring, len: int, C: char): int{.
cdecl, importc, dynlib: SDLgfxLibName.}
# SDL_imageFilterAddUint: D = saturation255(S + (uint)C)
proc SDL_imageFilterAddUint*(Src1: cstring, Dest: cstring, len: int, C: int): int{.
cdecl, importc, dynlib: SDLgfxLibName.}
# SDL_imageFilterAddByteToHalf: D = saturation255(S/2 + C)
proc SDL_imageFilterAddByteToHalf*(Src1: cstring, Dest: cstring, len: int,
C: char): int{.cdecl, importc, dynlib: SDLgfxLibName.}
# SDL_imageFilterSubByte: D = saturation0(S - C)
proc SDL_imageFilterSubByte*(Src1: cstring, Dest: cstring, len: int, C: char): int{.
cdecl, importc, dynlib: SDLgfxLibName.}
# SDL_imageFilterSubUint: D = saturation0(S - (uint)C)
proc SDL_imageFilterSubUint*(Src1: cstring, Dest: cstring, len: int, C: int): int{.
cdecl, importc, dynlib: SDLgfxLibName.}
# SDL_imageFilterShiftRight: D = saturation0(S >> N)
proc SDL_imageFilterShiftRight*(Src1: cstring, Dest: cstring, len: int, N: char): int{.
cdecl, importc, dynlib: SDLgfxLibName.}
# SDL_imageFilterShiftRightUint: D = saturation0((uint)S >> N)
proc SDL_imageFilterShiftRightUint*(Src1: cstring, Dest: cstring, len: int,
N: char): int{.cdecl, importc, dynlib: SDLgfxLibName.}
# SDL_imageFilterMultByByte: D = saturation255(S * C)
proc SDL_imageFilterMultByByte*(Src1: cstring, Dest: cstring, len: int, C: char): int{.
cdecl, importc, dynlib: SDLgfxLibName.}
# SDL_imageFilterShiftRightAndMultByByte: D = saturation255((S >> N) * C)
proc SDL_imageFilterShiftRightAndMultByByte*(Src1: cstring, Dest: cstring,
len: int, N: char, C: char): int{.cdecl, importc, dynlib: SDLgfxLibName.}
# SDL_imageFilterShiftLeftByte: D = (S << N)
proc SDL_imageFilterShiftLeftByte*(Src1: cstring, Dest: cstring, len: int,
N: char): int{.cdecl, importc, dynlib: SDLgfxLibName.}
# SDL_imageFilterShiftLeftUint: D = ((uint)S << N)
proc SDL_imageFilterShiftLeftUint*(Src1: cstring, Dest: cstring, len: int,
N: char): int{.cdecl, importc, dynlib: SDLgfxLibName.}
# SDL_imageFilterShiftLeft: D = saturation255(S << N)
proc SDL_imageFilterShiftLeft*(Src1: cstring, Dest: cstring, len: int, N: char): int{.
cdecl, importc, dynlib: SDLgfxLibName.}
# SDL_imageFilterBinarizeUsingThreshold: D = S >= T ? 255:0
proc SDL_imageFilterBinarizeUsingThreshold*(Src1: cstring, Dest: cstring,
len: int, T: char): int{.cdecl, importc, dynlib: SDLgfxLibName.}
# SDL_imageFilterClipToRange: D = (S >= Tmin) & (S <= Tmax) 255:0
proc SDL_imageFilterClipToRange*(Src1: cstring, Dest: cstring, len: int,
Tmin: int8, Tmax: int8): int{.cdecl,
importc, dynlib: SDLgfxLibName.}
# SDL_imageFilterNormalizeLinear: D = saturation255((Nmax - Nmin)/(Cmax - Cmin)*(S - Cmin) + Nmin)
proc SDL_imageFilterNormalizeLinear*(Src1: cstring, Dest: cstring, len: int,
Cmin: int, Cmax: int, Nmin: int, Nmax: int): int{.
cdecl, importc, dynlib: SDLgfxLibName.}
# !!! NO C-ROUTINE FOR THESE FUNCTIONS YET !!!
# SDL_imageFilterConvolveKernel3x3Divide: Dij = saturation0and255( ... )
proc SDL_imageFilterConvolveKernel3x3Divide*(Src: cstring, Dest: cstring,
rows: int, columns: int, Kernel: PShortInt, Divisor: int8): int{.cdecl,
importc, dynlib: SDLgfxLibName.}
# SDL_imageFilterConvolveKernel5x5Divide: Dij = saturation0and255( ... )
proc SDL_imageFilterConvolveKernel5x5Divide*(Src: cstring, Dest: cstring,
rows: int, columns: int, Kernel: PShortInt, Divisor: int8): int{.cdecl,
importc, dynlib: SDLgfxLibName.}
# SDL_imageFilterConvolveKernel7x7Divide: Dij = saturation0and255( ... )
proc SDL_imageFilterConvolveKernel7x7Divide*(Src: cstring, Dest: cstring,
rows: int, columns: int, Kernel: PShortInt, Divisor: int8): int{.cdecl,
importc, dynlib: SDLgfxLibName.}
# SDL_imageFilterConvolveKernel9x9Divide: Dij = saturation0and255( ... )
proc SDL_imageFilterConvolveKernel9x9Divide*(Src: cstring, Dest: cstring,
rows: int, columns: int, Kernel: PShortInt, Divisor: int8): int{.cdecl,
importc, dynlib: SDLgfxLibName.}
# SDL_imageFilterConvolveKernel3x3ShiftRight: Dij = saturation0and255( ... )
proc SDL_imageFilterConvolveKernel3x3ShiftRight*(Src: cstring, Dest: cstring,
rows: int, columns: int, Kernel: PShortInt, NRightShift: char): int{.cdecl,
importc, dynlib: SDLgfxLibName.}
# SDL_imageFilterConvolveKernel5x5ShiftRight: Dij = saturation0and255( ... )
proc SDL_imageFilterConvolveKernel5x5ShiftRight*(Src: cstring, Dest: cstring,
rows: int, columns: int, Kernel: PShortInt, NRightShift: char): int{.cdecl,
importc, dynlib: SDLgfxLibName.}
# SDL_imageFilterConvolveKernel7x7ShiftRight: Dij = saturation0and255( ... )
proc SDL_imageFilterConvolveKernel7x7ShiftRight*(Src: cstring, Dest: cstring,
rows: int, columns: int, Kernel: PShortInt, NRightShift: char): int{.cdecl,
importc, dynlib: SDLgfxLibName.}
# SDL_imageFilterConvolveKernel9x9ShiftRight: Dij = saturation0and255( ... )
proc SDL_imageFilterConvolveKernel9x9ShiftRight*(Src: cstring, Dest: cstring,
rows: int, columns: int, Kernel: PShortInt, NRightShift: char): int{.cdecl,
importc, dynlib: SDLgfxLibName.}
# SDL_imageFilterSobelX: Dij = saturation255( ... )
proc SDL_imageFilterSobelX*(Src: cstring, Dest: cstring, rows: int, columns: int): int{.
cdecl, importc, dynlib: SDLgfxLibName.}
# SDL_imageFilterSobelXShiftRight: Dij = saturation255( ... )
proc SDL_imageFilterSobelXShiftRight*(Src: cstring, Dest: cstring, rows: int,
columns: int, NRightShift: char): int{.
cdecl, importc, dynlib: SDLgfxLibName.}
# Align/restore stack to 32 byte boundary -- Functionality untested! --
proc SDL_imageFilterAlignStack*(){.cdecl, importc, dynlib: SDLgfxLibName.}
proc SDL_imageFilterRestoreStack*(){.cdecl, importc, dynlib: SDLgfxLibName.}
#
#
# SDL_rotozoom - rotozoomer
#
# LGPL (c) A. Schiffler
#
#
#
#
# rotozoomSurface()
#
# Rotates and zoomes a 32bit or 8bit 'src' surface to newly created 'dst' surface.
# 'angle' is the rotation in degrees. 'zoom' a scaling factor. If 'smooth' is 1
# then the destination 32bit surface is anti-aliased. If the surface is not 8bit
# or 32bit RGBA/ABGR it will be converted into a 32bit RGBA format on the fly.
#
#
proc rotozoomSurface*(src: PSDL_Surface, angle: float64, zoom: float64,
smooth: int): PSDL_Surface{.cdecl, importc, dynlib: SDLgfxLibName.}
proc rotozoomSurfaceXY*(src: PSDL_Surface, angle: float64, zoomx: float64,
zoomy: float64, smooth: int): PSDL_Surface{.cdecl,
importc, dynlib: SDLgfxLibName.}
# Returns the size of the target surface for a rotozoomSurface() call
proc rotozoomSurfaceSize*(width: int, height: int, angle: float64,
zoom: float64, dstwidth: var int, dstheight: var int){.
cdecl, importc, dynlib: SDLgfxLibName.}
proc rotozoomSurfaceSizeXY*(width: int, height: int, angle: float64,
zoomx: float64, zoomy: float64, dstwidth: var int,
dstheight: var int){.cdecl, importc, dynlib: SDLgfxLibName.}
#
#
# zoomSurface()
#
# Zoomes a 32bit or 8bit 'src' surface to newly created 'dst' surface.
# 'zoomx' and 'zoomy' are scaling factors for width and height. If 'smooth' is 1
# then the destination 32bit surface is anti-aliased. If the surface is not 8bit
# or 32bit RGBA/ABGR it will be converted into a 32bit RGBA format on the fly.
#
#
proc zoomSurface*(src: PSDL_Surface, zoomx: float64, zoomy: float64, smooth: int): PSDL_Surface{.
cdecl, importc, dynlib: SDLgfxLibName.}
# Returns the size of the target surface for a zoomSurface() call
proc zoomSurfaceSize*(width: int, height: int, zoomx: float64, zoomy: float64,
dstwidth: var int, dstheight: var int){.cdecl,
importc, dynlib: SDLgfxLibName.}
# implementation