From b7d358b498800e4c240d381fa6f098af17a4d95b Mon Sep 17 00:00:00 2001 From: Tom Sepez Date: Wed, 17 Jun 2015 10:01:00 -0700 Subject: Merge to XFA: Separate agg-authored code from fx-authored code. Original Review URL: https://codereview.chromium.org/1152743007. BUG=pdfium:166 R=brucedawson@chromium.org, thestig@chromium.org TBR=brucedawson@chromium.org, thestig@chromium.org Review URL: https://codereview.chromium.org/1186423003. --- third_party/agg23/agg_path_storage.cpp | 98 ++++++++++++++++++++++++++++++++++ 1 file changed, 98 insertions(+) create mode 100644 third_party/agg23/agg_path_storage.cpp (limited to 'third_party/agg23/agg_path_storage.cpp') diff --git a/third_party/agg23/agg_path_storage.cpp b/third_party/agg23/agg_path_storage.cpp new file mode 100644 index 0000000000..f5c9843e58 --- /dev/null +++ b/third_party/agg23/agg_path_storage.cpp @@ -0,0 +1,98 @@ + +//---------------------------------------------------------------------------- +// XYQ: 2006-01-22 Copied from AGG project. +// TODO: This file uses intensive floating point operations, so it's NOT suitable +// for platforms like Symbian OS. We need to change to FIX format. +//---------------------------------------------------------------------------- +//---------------------------------------------------------------------------- +// Anti-Grain Geometry - Version 2.3 +// Copyright (C) 2002-2005 Maxim Shemanarev (http://www.antigrain.com) +// +// 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 +//---------------------------------------------------------------------------- +// +// Class path_storage +// +//---------------------------------------------------------------------------- +#include "../../core/include/fxcrt/fx_basic.h" +#include "agg_path_storage.h" +#include "agg_math.h" +namespace agg +{ +path_storage::~path_storage() +{ + if(m_total_blocks) { + FX_FLOAT** coord_blk = m_coord_blocks + m_total_blocks - 1; + while(m_total_blocks--) { + FX_Free(*coord_blk); + --coord_blk; + } + FX_Free(m_coord_blocks); + } +} +path_storage::path_storage() : + m_total_vertices(0), + m_total_blocks(0), + m_max_blocks(0), + m_coord_blocks(0), + m_cmd_blocks(0), + m_iterator(0) +{ +} +void path_storage::allocate_block(unsigned nb) +{ + if(nb >= m_max_blocks) { + FX_FLOAT** new_coords = + FX_Alloc2D(FX_FLOAT*, m_max_blocks + block_pool, 2); + unsigned char** new_cmds = + (unsigned char**)(new_coords + m_max_blocks + block_pool); + if(m_coord_blocks) { + FXSYS_memcpy(new_coords, + m_coord_blocks, + m_max_blocks * sizeof(FX_FLOAT*)); + FXSYS_memcpy(new_cmds, + m_cmd_blocks, + m_max_blocks * sizeof(unsigned char*)); + FX_Free(m_coord_blocks); + } + m_coord_blocks = new_coords; + m_cmd_blocks = new_cmds; + m_max_blocks += block_pool; + } + m_coord_blocks[nb] = + FX_Alloc( FX_FLOAT, block_size * 2 + + block_size / + (sizeof(FX_FLOAT) / sizeof(unsigned char))); + m_cmd_blocks[nb] = + (unsigned char*)(m_coord_blocks[nb] + block_size * 2); + m_total_blocks++; +} +void path_storage::rewind(unsigned path_id) +{ + m_iterator = path_id; +} +void path_storage::curve4(FX_FLOAT x_ctrl1, FX_FLOAT y_ctrl1, + FX_FLOAT x_ctrl2, FX_FLOAT y_ctrl2, + FX_FLOAT x_to, FX_FLOAT y_to) +{ + add_vertex(x_ctrl1, y_ctrl1, path_cmd_curve4); + add_vertex(x_ctrl2, y_ctrl2, path_cmd_curve4); + add_vertex(x_to, y_to, path_cmd_curve4); +} +void path_storage::end_poly() +{ + if(m_total_vertices) { + if(is_vertex(command(m_total_vertices - 1))) { + add_vertex(0, 0, path_cmd_end_poly | path_flags_close); + } + } +} +} -- cgit v1.2.3