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Side by Side Diff: third_party/agg23/agg_rasterizer_scanline_aa.cpp

Issue 1409153007: Merge to XFA: Make checkdeps --resolve-dotdot succeed. (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@xfa
Patch Set: rebase Created 5 years, 1 month ago
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1 1
2 //---------------------------------------------------------------------------- 2 //----------------------------------------------------------------------------
3 // XYQ: 2006-01-22 Copied from AGG project. 3 // XYQ: 2006-01-22 Copied from AGG project.
4 // This file uses only integer data, so it's suitable for all platforms. 4 // This file uses only integer data, so it's suitable for all platforms.
5 //---------------------------------------------------------------------------- 5 //----------------------------------------------------------------------------
6 //---------------------------------------------------------------------------- 6 //----------------------------------------------------------------------------
7 // Anti-Grain Geometry - Version 2.3 7 // Anti-Grain Geometry - Version 2.3
8 // Copyright (C) 2002-2005 Maxim Shemanarev (http://www.antigrain.com) 8 // Copyright (C) 2002-2005 Maxim Shemanarev (http://www.antigrain.com)
9 // 9 //
10 // Permission to copy, use, modify, sell and distribute this software 10 // Permission to copy, use, modify, sell and distribute this software
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39 // created a similar renderer, but still I was far from David's work. 39 // created a similar renderer, but still I was far from David's work.
40 // I completely redesigned the original code and adapted it for Anti-Grain 40 // I completely redesigned the original code and adapted it for Anti-Grain
41 // ideas. Two functions - render_line and render_hline are the core of 41 // ideas. Two functions - render_line and render_hline are the core of
42 // the algorithm - they calculate the exact coverage of each pixel cell 42 // the algorithm - they calculate the exact coverage of each pixel cell
43 // of the polygon. I left these functions almost as is, because there's 43 // of the polygon. I left these functions almost as is, because there's
44 // no way to improve the perfection - hats off to David and his group! 44 // no way to improve the perfection - hats off to David and his group!
45 // 45 //
46 // All other code is very different from the original. 46 // All other code is very different from the original.
47 // 47 //
48 //---------------------------------------------------------------------------- 48 //----------------------------------------------------------------------------
49 #include "../../core/include/fxcrt/fx_ext.h"
50 #include <limits.h> 49 #include <limits.h>
51 #include "agg_rasterizer_scanline_aa.h" 50 #include "agg_rasterizer_scanline_aa.h"
52 namespace agg 51 namespace agg
53 { 52 {
54 AGG_INLINE void cell_aa::set_cover(int c, int a) 53 AGG_INLINE void cell_aa::set_cover(int c, int a)
55 { 54 {
56 cover = c; 55 cover = c;
57 area = a; 56 area = a;
58 } 57 }
59 AGG_INLINE void cell_aa::add_cover(int c, int a) 58 AGG_INLINE void cell_aa::add_cover(int c, int a)
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480 } 479 }
481 for(i = 0; i < m_sorted_y.size(); i++) { 480 for(i = 0; i < m_sorted_y.size(); i++) {
482 const sorted_y& cur_y = m_sorted_y[i]; 481 const sorted_y& cur_y = m_sorted_y[i];
483 if(cur_y.num) { 482 if(cur_y.num) {
484 qsort_cells(m_sorted_cells.data() + cur_y.start, cur_y.num); 483 qsort_cells(m_sorted_cells.data() + cur_y.start, cur_y.num);
485 } 484 }
486 } 485 }
487 m_sorted = true; 486 m_sorted = true;
488 } 487 }
489 } 488 }
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