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lazarus/components/aggpas/src/agg_pixfmt_rgb.pas
mattias 36a2b1ea07 added aggpas 
git-svn-id: trunk@21942 -
2009-10-01 12:24:32 +00:00

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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
//----------------------------------------------------------------------------
//
// Adaptation for high precision colors has been sponsored by
// Liberty Technology Systems, Inc., visit http://lib-sys.com
//
// Liberty Technology Systems, Inc. is the provider of
// PostScript and PDF technology for software developers.
//
// [Pascal Port History] -----------------------------------------------------
//
// 23.06.2006-Milano: ptrcomp adjustments
// 18.03.2006-Milano: pf_xxx.inc completed
// 13.01.2006-Milano: Unit port establishment
//
{ agg_pixfmt_rgb.pas }
unit
agg_pixfmt_rgb ;
INTERFACE
{$I agg_mode.inc }
{$Q- }
{$R- }
uses
agg_basics ,
agg_pixfmt ,
agg_color ,
agg_rendering_buffer ;
{ GLOBAL PROCEDURES }
procedure pixfmt_bgr24(var pixf : pixel_formats; rb : rendering_buffer_ptr );
procedure pixfmt_rgb24(var pixf : pixel_formats; rb : rendering_buffer_ptr );
procedure pixfmt_bgr24_pre(var pixf : pixel_formats; rb : rendering_buffer_ptr );
procedure pixfmt_rgb24_pre(var pixf : pixel_formats; rb : rendering_buffer_ptr );
procedure pixfmt_bgr24_gamma(var pixf : pixel_formats; rb : rendering_buffer_ptr; g : gamma_ptr );
procedure pixfmt_rgb24_gamma(var pixf : pixel_formats; rb : rendering_buffer_ptr; g : gamma_ptr );
IMPLEMENTATION
{ LOCAL VARIABLES & CONSTANTS }
{ UNIT IMPLEMENTATION }
{ fmt24_row }
function fmt24_row(this : pixel_formats_ptr; x ,y : int ) : row_data_type;
begin
result.Construct(
x ,this._width - 1 ,
int8u_ptr(ptrcomp(this.m_rbuf.row(y ) ) + x * 3 * sizeof(int8u ) ) );
end;
{ fmt24_copy_from }
procedure fmt24_copy_from(this : pixel_formats_ptr; from : rendering_buffer_ptr; xdst ,ydst ,xsrc ,ysrc : int; len : unsigned );
begin
move(
int8u_ptr(ptrcomp(from.row(ysrc ) ) + xsrc * 3 * sizeof(int8u ) )^ ,
int8u_ptr(ptrcomp(this.m_rbuf.row(ydst ) ) + xdst * 3 * sizeof(int8u ) )^ ,
sizeof(int8u ) * 3 * len );
end;
{ order24_gamma_dir_apply }
procedure order24_gamma_dir_apply(this : pixel_formats; p : int8u_ptr );
begin
int8u_ptr(ptrcomp(p ) + this.m_order.R )^:=int8u(this.m_apply.dir(int8u_ptr(ptrcomp(p ) + this.m_order.R )^ ) );
int8u_ptr(ptrcomp(p ) + this.m_order.G )^:=int8u(this.m_apply.dir(int8u_ptr(ptrcomp(p ) + this.m_order.G )^ ) );
int8u_ptr(ptrcomp(p ) + this.m_order.B )^:=int8u(this.m_apply.dir(int8u_ptr(ptrcomp(p ) + this.m_order.B )^ ) );
end;
{ order24_gamma_inv_apply }
procedure order24_gamma_inv_apply(this : pixel_formats; p : int8u_ptr );
begin
int8u_ptr(ptrcomp(p ) + this.m_order.R )^:=int8u(this.m_apply.inv(int8u_ptr(ptrcomp(p ) + this.m_order.R )^ ) );
int8u_ptr(ptrcomp(p ) + this.m_order.G )^:=int8u(this.m_apply.inv(int8u_ptr(ptrcomp(p ) + this.m_order.G )^ ) );
int8u_ptr(ptrcomp(p ) + this.m_order.B )^:=int8u(this.m_apply.inv(int8u_ptr(ptrcomp(p ) + this.m_order.B )^ ) );
end;
{ order24_for_each_pixel }
procedure order24_for_each_pixel(this : pixel_formats_ptr; f : func_apply_gamma );
var
y ,len : unsigned;
p : int8u_ptr;
begin
y:=0;
while y < this._height do
begin
len:=this._width;
p:=this.m_rbuf.row(y );
repeat
f(this ,p );
inc(ptrcomp(p ) ,3 );
dec(len );
until len = 0;
inc(y );
end;
end;
{$I pf_bgr24.inc }
{ PIXFMT_BGR24 }
procedure pixfmt_bgr24;
begin
pixf.Construct(rb );
pixf.m_order:=bgr_order;
pixf.m_pix_width:=3;
pixf.copy_pixel :=@bgr24_copy_pixel;
pixf.blend_pixel:=@bgr24_blend_pixel;
pixf.pixel:=@bgr24_pixel;
pixf.row :=@fmt24_row;
pixf.copy_hline:=@bgr24_copy_hline;
pixf.copy_vline:=@bgr24_copy_vline;
pixf.blend_hline:=@bgr24_blend_hline;
pixf.blend_vline:=@bgr24_blend_vline;
pixf.blend_solid_hspan:=@bgr24_blend_solid_hspan;
pixf.blend_solid_vspan:=@bgr24_blend_solid_vspan;
pixf.copy_color_hspan:=@bgr24_copy_color_hspan;
pixf.copy_color_vspan:=@bgr24_copy_color_vspan;
pixf.blend_color_hspan:=@bgr24_blend_color_hspan;
pixf.blend_color_vspan:=@bgr24_blend_color_vspan;
pixf.copy_from :=@fmt24_copy_from;
pixf.blend_from:=@bgr24_blend_from;
pixf.blend_from_color:=@bgr24_blend_from_color;
pixf.blend_from_lut :=@bgr24_blend_from_lut;
pixf.for_each_pixel :=@order24_for_each_pixel;
pixf.gamma_dir_apply:=@order24_gamma_dir_apply;
pixf.gamma_inv_apply:=@order24_gamma_inv_apply;
end;
{$I pf_rgb24.inc }
{ PIXFMT_RGB24 }
procedure pixfmt_rgb24;
begin
pixf.Construct(rb );
pixf.m_order:=rgb_order;
pixf.m_pix_width:=3;
pixf.copy_pixel :=@rgb24_copy_pixel;
pixf.blend_pixel:=@rgb24_blend_pixel;
pixf.pixel:=@rgb24_pixel;
pixf.row :=@fmt24_row;
pixf.copy_hline:=@rgb24_copy_hline;
pixf.copy_vline:=@rgb24_copy_vline;
pixf.blend_hline:=@rgb24_blend_hline;
pixf.blend_vline:=@rgb24_blend_vline;
pixf.blend_solid_hspan:=@rgb24_blend_solid_hspan;
pixf.blend_solid_vspan:=@rgb24_blend_solid_vspan;
pixf.copy_color_hspan:=@rgb24_copy_color_hspan;
pixf.copy_color_vspan:=@rgb24_copy_color_vspan;
pixf.blend_color_hspan:=@rgb24_blend_color_hspan;
pixf.blend_color_vspan:=@rgb24_blend_color_vspan;
pixf.copy_from :=@fmt24_copy_from;
pixf.blend_from:=@rgb24_blend_from;
pixf.blend_from_color:=@rgb24_blend_from_color;
pixf.blend_from_lut :=@rgb24_blend_from_lut;
pixf.for_each_pixel :=@order24_for_each_pixel;
pixf.gamma_dir_apply:=@order24_gamma_dir_apply;
pixf.gamma_inv_apply:=@order24_gamma_inv_apply;
end;
{$I pf_bgr24_pre.inc }
{ PIXFMT_BGR24_PRE }
procedure pixfmt_bgr24_pre;
begin
pixf.Construct(rb );
pixf.m_order:=bgr_order;
pixf.m_pix_width:=3;
pixf.copy_pixel :=@bgr24_copy_pixel;
pixf.blend_pixel:=@bgr24_pre_blend_pixel;
pixf.pixel:=@bgr24_pixel;
pixf.row :=@fmt24_row;
pixf.copy_hline:=@bgr24_copy_hline;
pixf.copy_vline:=@bgr24_copy_vline;
pixf.blend_hline:=@bgr24_pre_blend_hline;
pixf.blend_vline:=@bgr24_pre_blend_vline;
pixf.blend_solid_hspan:=@bgr24_pre_blend_solid_hspan;
pixf.blend_solid_vspan:=@bgr24_pre_blend_solid_vspan;
pixf.copy_color_hspan:=@bgr24_copy_color_hspan;
pixf.copy_color_vspan:=@bgr24_copy_color_vspan;
pixf.blend_color_hspan:=@bgr24_pre_blend_color_hspan;
pixf.blend_color_vspan:=@bgr24_pre_blend_color_vspan;
pixf.copy_from :=@fmt24_copy_from;
pixf.blend_from:=@bgr24_pre_blend_from;
pixf.blend_from_color:=@bgr24_pre_blend_from_color;
pixf.blend_from_lut :=@bgr24_pre_blend_from_lut;
pixf.for_each_pixel :=@order24_for_each_pixel;
pixf.gamma_dir_apply:=@order24_gamma_dir_apply;
pixf.gamma_inv_apply:=@order24_gamma_inv_apply;
end;
{$I pf_rgb24_pre.inc }
{ PIXFMT_RGB24_PRE }
procedure pixfmt_rgb24_pre;
begin
pixf.Construct(rb );
pixf.m_order:=rgb_order;
pixf.m_pix_width:=3;
pixf.copy_pixel :=@rgb24_copy_pixel;
pixf.blend_pixel:=@rgb24_pre_blend_pixel;
pixf.pixel:=@rgb24_pixel;
pixf.row :=@fmt24_row;
pixf.copy_hline:=@rgb24_copy_hline;
pixf.copy_vline:=@rgb24_copy_vline;
pixf.blend_hline:=@rgb24_pre_blend_hline;
pixf.blend_vline:=@rgb24_pre_blend_vline;
pixf.blend_solid_hspan:=@rgb24_pre_blend_solid_hspan;
pixf.blend_solid_vspan:=@rgb24_pre_blend_solid_vspan;
pixf.copy_color_hspan:=@rgb24_copy_color_hspan;
pixf.copy_color_vspan:=@rgb24_copy_color_vspan;
pixf.blend_color_hspan:=@rgb24_pre_blend_color_hspan;
pixf.blend_color_vspan:=@rgb24_pre_blend_color_vspan;
pixf.copy_from :=@fmt24_copy_from;
pixf.blend_from:=@rgb24_pre_blend_from;
pixf.blend_from_color:=@rgb24_pre_blend_from_color;
pixf.blend_from_lut :=@rgb24_pre_blend_from_lut;
pixf.for_each_pixel :=@order24_for_each_pixel;
pixf.gamma_dir_apply:=@order24_gamma_dir_apply;
pixf.gamma_inv_apply:=@order24_gamma_inv_apply;
end;
{$I pf_bgr24_gamma.inc }
{ PIXFMT_BGR24_GAMMA }
procedure pixfmt_bgr24_gamma;
begin
pixf.Construct(rb );
pixf.m_order:=bgr_order;
pixf.m_gamma:=g;
pixf.m_pix_width:=3;
pixf.copy_pixel :=@bgr24_copy_pixel;
pixf.blend_pixel:=@bgr24_gamma_blend_pixel;
pixf.pixel:=@bgr24_pixel;
pixf.row :=@fmt24_row;
pixf.copy_hline:=@bgr24_copy_hline;
pixf.copy_vline:=@bgr24_copy_vline;
pixf.blend_hline:=@bgr24_gamma_blend_hline;
pixf.blend_vline:=@bgr24_gamma_blend_vline;
pixf.blend_solid_hspan:=@bgr24_gamma_blend_solid_hspan;
pixf.blend_solid_vspan:=@bgr24_gamma_blend_solid_vspan;
pixf.copy_color_hspan:=@bgr24_copy_color_hspan;
pixf.copy_color_vspan:=@bgr24_copy_color_vspan;
pixf.blend_color_hspan:=@bgr24_gamma_blend_color_hspan;
pixf.blend_color_vspan:=@bgr24_gamma_blend_color_vspan;
pixf.copy_from :=@fmt24_copy_from;
pixf.blend_from:=@bgr24_gamma_blend_from;
pixf.blend_from_color:=@bgr24_gamma_blend_from_color;
pixf.blend_from_lut :=@bgr24_gamma_blend_from_lut;
pixf.for_each_pixel :=@order24_for_each_pixel;
pixf.gamma_dir_apply:=@order24_gamma_dir_apply;
pixf.gamma_inv_apply:=@order24_gamma_inv_apply;
end;
{$I pf_rgb24_gamma.inc }
{ PIXFMT_RGB24_GAMMA }
procedure pixfmt_rgb24_gamma;
begin
pixf.Construct(rb );
pixf.m_order:=rgb_order;
pixf.m_gamma:=g;
pixf.m_pix_width:=3;
pixf.copy_pixel :=@rgb24_copy_pixel;
pixf.blend_pixel:=@rgb24_gamma_blend_pixel;
pixf.pixel:=@rgb24_pixel;
pixf.row :=@fmt24_row;
pixf.copy_hline:=@rgb24_copy_hline;
pixf.copy_vline:=@rgb24_copy_vline;
pixf.blend_hline:=@rgb24_gamma_blend_hline;
pixf.blend_vline:=@rgb24_gamma_blend_vline;
pixf.blend_solid_hspan:=@rgb24_gamma_blend_solid_hspan;
pixf.blend_solid_vspan:=@rgb24_gamma_blend_solid_vspan;
pixf.copy_color_hspan:=@rgb24_copy_color_hspan;
pixf.copy_color_vspan:=@rgb24_copy_color_vspan;
pixf.blend_color_hspan:=@rgb24_gamma_blend_color_hspan;
pixf.blend_color_vspan:=@rgb24_gamma_blend_color_vspan;
pixf.copy_from :=@fmt24_copy_from;
pixf.blend_from:=@rgb24_gamma_blend_from;
pixf.blend_from_color:=@rgb24_gamma_blend_from_color;
pixf.blend_from_lut :=@rgb24_gamma_blend_from_lut;
pixf.for_each_pixel :=@order24_for_each_pixel;
pixf.gamma_dir_apply:=@order24_gamma_dir_apply;
pixf.gamma_inv_apply:=@order24_gamma_inv_apply;
end;
END.
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