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|
//----------------------------------------------------------------------------
// Anti-Grain Geometry - Version 2.4 (Public License)
// Copyright (C) 2002-2005 Maxim Shemanarev (http://www.antigrain.com)
//
// Anti-Grain Geometry - Version 2.4 Release Milano 3 (AggPas 2.4 RM3)
// Pascal Port By: Milan Marusinec alias Milano
// milan@marusinec.sk
// http://www.aggpas.org
// Copyright (c) 2005-2006
//
// Permission to copy, use, modify, sell and distribute this software
// is granted provided this copyright notice appears in all copies.
// This software is provided "as is" without express or implied
// warranty, and with no claim as to its suitability for any purpose.
//
//----------------------------------------------------------------------------
// Contact: mcseem@antigrain.com
// mcseemagg@yahoo.com
// http://www.antigrain.com
//
//----------------------------------------------------------------------------
//
// Conversion from one colorspace/pixel format to another
//
// [Pascal Port History] -----------------------------------------------------
//
// 23.06.2006-Milano: ptrcomp adjustments
// 16.12.2005-Milano: Unit port establishment
//
{ agg_color_conv.pas }
unit
agg_color_conv ;
INTERFACE
{$I agg_mode.inc }
uses
agg_basics ,
agg_color ,
agg_rendering_buffer ;
{ TYPES DEFINITION }
type
CopyRow = procedure(dst ,src : int8u_ptr; width : unsigned );
{ GLOBAL PROCEDURES }
procedure color_conv(dst ,src : rendering_buffer_ptr; copy_row_functor : CopyRow );
procedure color_conv_gray8_to_bgr24 (dst ,src : int8u_ptr; width : unsigned );
procedure color_conv_gray8_to_rgb24 (dst ,src : int8u_ptr; width : unsigned );
procedure color_conv_gray16_to_gray8 (dst ,src : int8u_ptr; width : unsigned );
procedure color_conv_rgb555_to_rgb555(dst ,src : int8u_ptr; width : unsigned );
procedure color_conv_rgb555_to_rgb565(dst ,src : int8u_ptr; width : unsigned );
procedure color_conv_rgb555_to_rgb24 (dst ,src : int8u_ptr; width : unsigned );
procedure color_conv_rgb555_to_bgr24 (dst ,src : int8u_ptr; width : unsigned );
procedure color_conv_rgb555_to_abgr32(dst ,src : int8u_ptr; width : unsigned );
procedure color_conv_rgb555_to_argb32(dst ,src : int8u_ptr; width : unsigned );
procedure color_conv_rgb555_to_bgra32(dst ,src : int8u_ptr; width : unsigned );
procedure color_conv_rgb555_to_rgba32(dst ,src : int8u_ptr; width : unsigned );
procedure color_conv_rgb565_to_rgb555(dst ,src : int8u_ptr; width : unsigned );
procedure color_conv_bgr24_to_gray8 (dst ,src : int8u_ptr; width : unsigned );
procedure color_conv_bgr24_to_gray16 (dst ,src : int8u_ptr; width : unsigned );
procedure color_conv_bgr24_to_rgb555 (dst ,src : int8u_ptr; width : unsigned );
procedure color_conv_bgr24_to_rgb565 (dst ,src : int8u_ptr; width : unsigned );
procedure color_conv_bgr24_to_rgb24 (dst ,src : int8u_ptr; width : unsigned );
procedure color_conv_bgr24_to_bgr24 (dst ,src : int8u_ptr; width : unsigned );
procedure color_conv_bgr24_to_abgr32 (dst ,src : int8u_ptr; width : unsigned );
procedure color_conv_bgr24_to_argb32 (dst ,src : int8u_ptr; width : unsigned );
procedure color_conv_bgr24_to_bgra32 (dst ,src : int8u_ptr; width : unsigned );
procedure color_conv_bgr24_to_rgba32 (dst ,src : int8u_ptr; width : unsigned );
procedure color_conv_bgr24_to_rgb48 (dst ,src : int8u_ptr; width : unsigned );
procedure color_conv_bgr24_to_bgr48 (dst ,src : int8u_ptr; width : unsigned );
procedure color_conv_bgr24_to_abgr64 (dst ,src : int8u_ptr; width : unsigned );
procedure color_conv_bgr24_to_argb64 (dst ,src : int8u_ptr; width : unsigned );
procedure color_conv_bgr24_to_bgra64 (dst ,src : int8u_ptr; width : unsigned );
procedure color_conv_bgr24_to_rgba64 (dst ,src : int8u_ptr; width : unsigned );
procedure color_conv_rgb24_to_bgr24 (dst ,src : int8u_ptr; width : unsigned );
procedure color_conv_rgb24_to_bgra32 (dst ,src : int8u_ptr; width : unsigned );
procedure color_conv_bgra32_to_rgb555(dst ,src : int8u_ptr; width : unsigned );
procedure color_conv_bgra32_to_rgb565(dst ,src : int8u_ptr; width : unsigned );
procedure color_conv_bgra32_to_rgb24 (dst ,src : int8u_ptr; width : unsigned );
procedure color_conv_bgra32_to_bgr24 (dst ,src : int8u_ptr; width : unsigned );
procedure color_conv_bgra32_to_abgr32(dst ,src : int8u_ptr; width : unsigned );
procedure color_conv_bgra32_to_argb32(dst ,src : int8u_ptr; width : unsigned );
procedure color_conv_bgra32_to_bgra32(dst ,src : int8u_ptr; width : unsigned );
procedure color_conv_bgra32_to_rgba32(dst ,src : int8u_ptr; width : unsigned );
procedure color_conv_bgra64_to_bgra32(dst ,src : int8u_ptr; width : unsigned );
procedure color_conv_abgr32_to_argb32(dst ,src : int8u_ptr; width : unsigned );
procedure color_conv_abgr32_to_bgra32(dst ,src : int8u_ptr; width : unsigned );
procedure color_conv_abgr64_to_bgra32(dst ,src : int8u_ptr; width : unsigned );
procedure color_conv_rgba32_to_argb32(dst ,src : int8u_ptr; width : unsigned );
procedure color_conv_rgba32_to_bgra32(dst ,src : int8u_ptr; width : unsigned );
procedure color_conv_argb32_to_bgra32(dst ,src : int8u_ptr; width : unsigned );
procedure color_conv_argb64_to_bgra32(dst ,src : int8u_ptr; width : unsigned );
procedure color_conv_rgbAAA_to_bgr24 (dst ,src : int8u_ptr; width : unsigned );
procedure color_conv_bgrAAA_to_bgr24 (dst ,src : int8u_ptr; width : unsigned );
procedure color_conv_rgbBBA_to_bgr24 (dst ,src : int8u_ptr; width : unsigned );
procedure color_conv_bgrABB_to_bgr24 (dst ,src : int8u_ptr; width : unsigned );
procedure color_conv_rgb48_to_bgr24 (dst ,src : int8u_ptr; width : unsigned );
procedure color_conv_bgr48_to_bgr24 (dst ,src : int8u_ptr; width : unsigned );
procedure color_conv_rgba64_to_bgra32(dst ,src : int8u_ptr; width : unsigned );
IMPLEMENTATION
{ LOCAL VARIABLES & CONSTANTS }
{ UNIT IMPLEMENTATION }
{ COLOR_CONV }
procedure color_conv;
var
y ,width ,height : unsigned;
begin
width :=src._width;
height:=src._height;
if dst._width < width then
width:=dst._width;
if dst._height < height then
height:=dst._height;
if width > 0 then
for y:=0 to height - 1 do
copy_row_functor(dst.row(y ) ,src.row(y ) ,width );
end;
{ color_conv_bgr24_to_gray8 {..}
procedure color_conv_bgr24_to_gray8;
begin
end;
{ color_conv_gray8_to_bgr24 }
procedure color_conv_gray8_to_bgr24;
begin
repeat
int8u_ptr(ptrcomp(dst ) + bgr_order.R )^:=src^;
int8u_ptr(ptrcomp(dst ) + bgr_order.G )^:=src^;
int8u_ptr(ptrcomp(dst ) + bgr_order.B )^:=src^;
inc(ptrcomp(dst ) ,3 );
inc(ptrcomp(src ) );
dec(width );
until width = 0;
end;
{ color_conv_gray8_to_rgb24 }
procedure color_conv_gray8_to_rgb24;
begin
repeat
int8u_ptr(ptrcomp(dst ) + rgb_order.R )^:=src^;
int8u_ptr(ptrcomp(dst ) + rgb_order.G )^:=src^;
int8u_ptr(ptrcomp(dst ) + rgb_order.B )^:=src^;
inc(ptrcomp(dst ) ,3 );
inc(ptrcomp(src ) );
dec(width );
until width = 0;
end;
{ color_conv_bgr24_to_gray16 {..}
procedure color_conv_bgr24_to_gray16;
begin
end;
{ color_conv_rgb555_to_rgb555 {..}
procedure color_conv_rgb555_to_rgb555;
begin
end;
{ color_conv_bgr24_to_rgb555 {..}
procedure color_conv_bgr24_to_rgb555;
begin
end;
{ color_conv_bgra32_to_rgb555 {..}
procedure color_conv_bgra32_to_rgb555;
begin
end;
{ color_conv_rgb555_to_rgb565 {..}
procedure color_conv_rgb555_to_rgb565;
begin
end;
{ color_conv_bgr24_to_rgb565 {..}
procedure color_conv_bgr24_to_rgb565;
begin
end;
{ color_conv_bgra32_to_rgb565 {..}
procedure color_conv_bgra32_to_rgb565;
begin
end;
{ color_conv_rgb555_to_rgb24 {..}
procedure color_conv_rgb555_to_rgb24;
begin
end;
{ color_conv_bgr24_to_rgb24 }
procedure color_conv_bgr24_to_rgb24;
begin
repeat
int8u_ptr(ptrcomp(dst ) + bgr_order.R )^:=int8u_ptr(ptrcomp(src ) + rgb_order.R )^;
int8u_ptr(ptrcomp(dst ) + bgr_order.G )^:=int8u_ptr(ptrcomp(src ) + rgb_order.G )^;
int8u_ptr(ptrcomp(dst ) + bgr_order.B )^:=int8u_ptr(ptrcomp(src ) + rgb_order.B )^;
inc(ptrcomp(dst ) ,3 );
inc(ptrcomp(src ) ,3 );
dec(width );
until width = 0;
end;
{ color_conv_bgra32_to_rgb24 {..}
procedure color_conv_bgra32_to_rgb24;
begin
end;
{ color_conv_rgb555_to_bgr24 {..}
procedure color_conv_rgb555_to_bgr24;
begin
end;
{ color_conv_bgr24_to_bgr24 }
procedure color_conv_bgr24_to_bgr24;
begin
move(src^ ,dst^ ,width * 3 );
end;
{ color_conv_bgra32_to_bgr24 {..}
procedure color_conv_bgra32_to_bgr24;
begin
end;
{ color_conv_bgr24_to_rgb48 {..}
procedure color_conv_bgr24_to_rgb48;
begin
end;
{ color_conv_bgr24_to_bgr48 {..}
procedure color_conv_bgr24_to_bgr48;
begin
end;
{ color_conv_rgb555_to_abgr32 {..}
procedure color_conv_rgb555_to_abgr32;
begin
end;
{ color_conv_bgr24_to_abgr32 {..}
procedure color_conv_bgr24_to_abgr32;
begin
end;
{ color_conv_bgra32_to_abgr32 {..}
procedure color_conv_bgra32_to_abgr32;
begin
end;
{ color_conv_rgb555_to_argb32 {..}
procedure color_conv_rgb555_to_argb32;
begin
end;
{ color_conv_bgr24_to_argb32 {..}
procedure color_conv_bgr24_to_argb32;
begin
end;
{ color_conv_bgra32_to_argb32 }
procedure color_conv_bgra32_to_argb32;
begin
repeat
int8u_ptr(ptrcomp(dst ) + argb_order.R )^:=int8u_ptr(ptrcomp(src ) + bgra_order.R )^;
int8u_ptr(ptrcomp(dst ) + argb_order.G )^:=int8u_ptr(ptrcomp(src ) + bgra_order.G )^;
int8u_ptr(ptrcomp(dst ) + argb_order.B )^:=int8u_ptr(ptrcomp(src ) + bgra_order.B )^;
int8u_ptr(ptrcomp(dst ) + argb_order.A )^:=int8u_ptr(ptrcomp(src ) + bgra_order.A )^;
inc(ptrcomp(dst ) ,4 );
inc(ptrcomp(src ) ,4 );
dec(width );
until width = 0;
end;
{ color_conv_abgr32_to_argb32 }
procedure color_conv_abgr32_to_argb32;
begin
repeat
int8u_ptr(ptrcomp(dst ) + argb_order.R )^:=int8u_ptr(ptrcomp(src ) + abgr_order.R )^;
int8u_ptr(ptrcomp(dst ) + argb_order.G )^:=int8u_ptr(ptrcomp(src ) + abgr_order.G )^;
int8u_ptr(ptrcomp(dst ) + argb_order.B )^:=int8u_ptr(ptrcomp(src ) + abgr_order.B )^;
int8u_ptr(ptrcomp(dst ) + argb_order.A )^:=int8u_ptr(ptrcomp(src ) + abgr_order.A )^;
inc(ptrcomp(dst ) ,4 );
inc(ptrcomp(src ) ,4 );
dec(width );
until width = 0;
end;
{ color_conv_rgba32_to_argb32 }
procedure color_conv_rgba32_to_argb32;
begin
repeat
int8u_ptr(ptrcomp(dst ) + argb_order.R )^:=int8u_ptr(ptrcomp(src ) + rgba_order.R )^;
int8u_ptr(ptrcomp(dst ) + argb_order.G )^:=int8u_ptr(ptrcomp(src ) + rgba_order.G )^;
int8u_ptr(ptrcomp(dst ) + argb_order.B )^:=int8u_ptr(ptrcomp(src ) + rgba_order.B )^;
int8u_ptr(ptrcomp(dst ) + argb_order.A )^:=int8u_ptr(ptrcomp(src ) + rgba_order.A )^;
inc(ptrcomp(dst ) ,4 );
inc(ptrcomp(src ) ,4 );
dec(width );
until width = 0;
end;
{ color_conv_rgb555_to_bgra32 {..}
procedure color_conv_rgb555_to_bgra32;
begin
end;
{ color_conv_bgr24_to_bgra32 }
procedure color_conv_bgr24_to_bgra32;
begin
repeat
int8u_ptr(ptrcomp(dst ) + 0 )^:=src^; inc(ptrcomp(src ) );
int8u_ptr(ptrcomp(dst ) + 1 )^:=src^; inc(ptrcomp(src ) );
int8u_ptr(ptrcomp(dst ) + 2 )^:=src^; inc(ptrcomp(src ) );
int8u_ptr(ptrcomp(dst ) + 3 )^:=255;
inc(ptrcomp(dst ) ,4 );
dec(width );
until width = 0;
end;
{ color_conv_bgra32_to_bgra32 {..}
procedure color_conv_bgra32_to_bgra32;
begin
end;
{ color_conv_rgb555_to_rgba32 {..}
procedure color_conv_rgb555_to_rgba32;
begin
end;
{ color_conv_bgr24_to_rgba32 {..}
procedure color_conv_bgr24_to_rgba32;
begin
end;
{ color_conv_bgra32_to_rgba32 {..}
procedure color_conv_bgra32_to_rgba32;
begin
end;
{ color_conv_bgr24_to_abgr64 {..}
procedure color_conv_bgr24_to_abgr64;
begin
end;
{ color_conv_bgr24_to_argb64 {..}
procedure color_conv_bgr24_to_argb64;
begin
end;
{ color_conv_bgr24_to_bgra64 {..}
procedure color_conv_bgr24_to_bgra64;
begin
end;
{ color_conv_bgr24_to_rgba64 {..}
procedure color_conv_bgr24_to_rgba64;
begin
end;
{ color_conv_gray16_to_gray8 {..}
procedure color_conv_gray16_to_gray8;
begin
end;
{ color_conv_rgb565_to_rgb555 }
procedure color_conv_rgb565_to_rgb555;
var
rgb : int;
begin
repeat
rgb:=int16u(p32(src ).ptr^ );
int16u(p32(dst ).ptr^ ):=((rgb shr 1 ) and $7FE0 ) or (rgb and $1F );
inc(ptrcomp(src ) ,2 );
inc(ptrcomp(dst ) ,2 );
dec(width );
until width = 0;
end;
{ color_conv_rgbAAA_to_bgr24 {..}
procedure color_conv_rgbAAA_to_bgr24;
begin
end;
{ color_conv_bgrAAA_to_bgr24 {..}
procedure color_conv_bgrAAA_to_bgr24;
begin
end;
{ color_conv_rgbBBA_to_bgr24 {..}
procedure color_conv_rgbBBA_to_bgr24;
begin
end;
{ color_conv_bgrABB_to_bgr24 {..}
procedure color_conv_bgrABB_to_bgr24;
begin
end;
{ color_conv_rgb24_to_bgr24 }
procedure color_conv_rgb24_to_bgr24;
begin
repeat
int8u_ptr(p32(dst ).int + 0 )^:=int8u_ptr(p32(src ).int + 2 )^;
int8u_ptr(p32(dst ).int + 1 )^:=int8u_ptr(p32(src ).int + 1 )^;
int8u_ptr(p32(dst ).int + 2 )^:=int8u_ptr(p32(src ).int + 0 )^;
inc(ptrcomp(src ) ,3 );
inc(ptrcomp(dst ) ,3 );
dec(width );
until width = 0;
end;
{ color_conv_rgb48_to_bgr24 {..}
procedure color_conv_rgb48_to_bgr24;
begin
end;
{ color_conv_bgr48_to_bgr24 {..}
procedure color_conv_bgr48_to_bgr24;
begin
end;
{ color_conv_abgr32_to_bgra32 }
procedure color_conv_abgr32_to_bgra32;
begin
repeat
int8u_ptr(p32(dst ).int + 0 )^:=int8u_ptr(p32(src ).int + 1 )^;
int8u_ptr(p32(dst ).int + 1 )^:=int8u_ptr(p32(src ).int + 2 )^;
int8u_ptr(p32(dst ).int + 2 )^:=int8u_ptr(p32(src ).int + 3 )^;
int8u_ptr(p32(dst ).int + 3 )^:=int8u_ptr(p32(src ).int + 0 )^;
inc(ptrcomp(src ) ,4 );
inc(ptrcomp(dst ) ,4 );
dec(width );
until width = 0;
end;
{ color_conv_argb32_to_bgra32 }
procedure color_conv_argb32_to_bgra32;
begin
repeat
int8u_ptr(p32(dst ).int + 0 )^:=int8u_ptr(p32(src ).int + 3 )^;
int8u_ptr(p32(dst ).int + 1 )^:=int8u_ptr(p32(src ).int + 2 )^;
int8u_ptr(p32(dst ).int + 2 )^:=int8u_ptr(p32(src ).int + 1 )^;
int8u_ptr(p32(dst ).int + 3 )^:=int8u_ptr(p32(src ).int + 0 )^;
inc(ptrcomp(src ) ,4 );
inc(ptrcomp(dst ) ,4 );
dec(width );
until width = 0;
end;
{ color_conv_rgba32_to_bgra32 }
procedure color_conv_rgba32_to_bgra32;
begin
repeat
int8u_ptr(p32(dst ).int + 0 )^:=int8u_ptr(p32(src ).int + 2 )^;
int8u_ptr(p32(dst ).int + 1 )^:=int8u_ptr(p32(src ).int + 1 )^;
int8u_ptr(p32(dst ).int + 2 )^:=int8u_ptr(p32(src ).int + 0 )^;
int8u_ptr(p32(dst ).int + 3 )^:=int8u_ptr(p32(src ).int + 3 )^;
inc(ptrcomp(src ) ,4 );
inc(ptrcomp(dst ) ,4 );
dec(width );
until width = 0;
end;
{ color_conv_bgra64_to_bgra32 {..}
procedure color_conv_bgra64_to_bgra32;
begin
end;
{ color_conv_abgr64_to_bgra32 {..}
procedure color_conv_abgr64_to_bgra32;
begin
end;
{ color_conv_argb64_to_bgra32 {..}
procedure color_conv_argb64_to_bgra32;
begin
end;
{ color_conv_rgba64_to_bgra32 {..}
procedure color_conv_rgba64_to_bgra32;
begin
end;
{ color_conv_rgb24_to_bgra32 }
procedure color_conv_rgb24_to_bgra32;
begin
repeat
int8u_ptr(ptrcomp(dst ) + bgra_order.R )^:=src^; inc(ptrcomp(src ) );
int8u_ptr(ptrcomp(dst ) + bgra_order.G )^:=src^; inc(ptrcomp(src ) );
int8u_ptr(ptrcomp(dst ) + bgra_order.B )^:=src^; inc(ptrcomp(src ) );
int8u_ptr(ptrcomp(dst ) + bgra_order.A )^:=255;
inc(ptrcomp(dst ) ,4 );
dec(width );
until width = 0;
end;
END.
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