1 /*
2 * Copyright 2005, Stephan Aßmus <superstippi@gmx.de>.
3 * Copyright 2008, Andrej Spielmann <andrej.spielmann@seh.ox.ac.uk>.
4 * All rights reserved. Distributed under the terms of the MIT License.
5 *
6 * DrawingMode implementing B_OP_OVER on B_RGBA32.
7 *
8 */
9
10 #ifndef DRAWING_MODE_OVER_SOLID_SUBPIX_H
11 #define DRAWING_MODE_OVER_SOLID_SUBPIX_H
12
13 #include "DrawingModeOverSUBPIX.h"
14 #include "GlobalSubpixelSettings.h"
15
16 // blend_solid_hspan_over_solid_subpix
17 void
blend_solid_hspan_over_solid_subpix(int x,int y,unsigned len,const color_type & c,const uint8 * covers,agg_buffer * buffer,const PatternHandler * pattern)18 blend_solid_hspan_over_solid_subpix(int x, int y, unsigned len,
19 const color_type& c, const uint8* covers, agg_buffer* buffer,
20 const PatternHandler* pattern)
21 {
22 if (pattern->IsSolidLow())
23 return;
24
25 uint8* p = buffer->row_ptr(y) + (x << 2);
26 const int subpixelL = gSubpixelOrderingRGB ? 2 : 0;
27 const int subpixelM = 1;
28 const int subpixelR = gSubpixelOrderingRGB ? 0 : 2;
29 do {
30 BLEND_OVER_SUBPIX(p, c.r, c.g, c.b,
31 covers[subpixelL], covers[subpixelM], covers[subpixelR]);
32 covers += 3;
33 p += 4;
34 x++;
35 len -= 3;
36 } while (len);
37 }
38
39 #endif // DRAWING_MODE_OVER_SUBPIX_H
40
41