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Diffstat (limited to 'lib/wrappers/sdl/sdl_gfx.nim')
| -rw-r--r-- | lib/wrappers/sdl/sdl_gfx.nim | 421 |
1 files changed, 421 insertions, 0 deletions
diff --git a/lib/wrappers/sdl/sdl_gfx.nim b/lib/wrappers/sdl/sdl_gfx.nim new file mode 100644 index 000000000..8ae8eca0b --- /dev/null +++ b/lib/wrappers/sdl/sdl_gfx.nim @@ -0,0 +1,421 @@ + +# +# $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 |