xref: /haiku/src/servers/app/drawing/Painter/drawing_modes/DrawingModeCopySolidSUBPIX.h (revision c9060eb991e10e477ece52478d6743fc7691c143)
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_COPY ignoring the pattern (solid) on B_RGBA32.
7  *
8  */
9 
10 #ifndef DRAWING_MODE_COPY_SOLID_SUBPIX_H
11 #define DRAWING_MODE_COPY_SOLID_SUBPIX_H
12 
13 #include "DrawingModeOverSUBPIX.h"
14 
15 // blend_hline_copy_solid_subpix
16 void
17 blend_hline_copy_solid_subpix(int x, int y, unsigned len, const color_type& c,
18 	uint8 cover, agg_buffer* buffer, const PatternHandler* pattern)
19 {
20 	if (cover == 255) {
21 		uint32 v;
22 		uint8* p8 = (uint8*)&v;
23 		p8[0] = (uint8)c.b;
24 		p8[1] = (uint8)c.g;
25 		p8[2] = (uint8)c.r;
26 		p8[3] = 255;
27 		uint32* p32 = (uint32*)(buffer->row_ptr(y)) + x;
28 		do {
29 			*p32 = v;
30 			p32++;
31 			x++;
32 			len -= 3;
33 		} while (len);
34 	} else {
35 		uint8* p = buffer->row_ptr(y) + (x << 2);
36 		do {
37 			BLEND_OVER(p, c.r, c.g, c.b, cover);
38 			x++;
39 			p += 4;
40 			len -= 3;
41 		} while (len);
42 	}
43 }
44 
45 
46 // blend_solid_hspan_copy_solid_subpix
47 void
48 blend_solid_hspan_copy_solid_subpix(int x, int y, unsigned len,
49 	const color_type& c, const uint8* covers, agg_buffer* buffer,
50 	const PatternHandler* pattern)
51 {
52 	uint8* p = buffer->row_ptr(y) + (x << 2);
53 	do {
54 		BLEND_OVER_SUBPIX(p, c.r, c.g, c.b, covers[2], covers[1], covers[0]);
55 		covers += 3;
56 		p += 4;
57 		x++;
58 		len -= 3;
59 	} while (len);
60 }
61 
62 #endif // DRAWING_MODE_COPY_SOLID_SUBPIX_H
63 
64