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Unified Diff: core/src/fxge/agg/agg23/fx_agg_vcgen_stroke.cpp

Issue 402463002: Replace agg with skia (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@master
Patch Set: Fix clang compile error Created 6 years, 5 months ago
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Index: core/src/fxge/agg/agg23/fx_agg_vcgen_stroke.cpp
diff --git a/core/src/fxge/agg/agg23/fx_agg_vcgen_stroke.cpp b/core/src/fxge/agg/agg23/fx_agg_vcgen_stroke.cpp
deleted file mode 100644
index 425ac45acade838bc7e60daebc415e88036a288d..0000000000000000000000000000000000000000
--- a/core/src/fxge/agg/agg23/fx_agg_vcgen_stroke.cpp
+++ /dev/null
@@ -1,214 +0,0 @@
-
-//----------------------------------------------------------------------------
-// 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
-//----------------------------------------------------------------------------
-//
-// Stroke generator
-//
-//----------------------------------------------------------------------------
-#include "../../../../include/fxcrt/fx_basic.h"
-#include "agg_vcgen_stroke.h"
-namespace agg
-{
-
-vcgen_stroke::vcgen_stroke() :
- m_src_vertices(),
- m_out_vertices(),
- m_width(0.5f),
- m_miter_limit(4 * 1.0f),
- m_inner_miter_limit(1.0f + 1.0f / 100),
- m_approx_scale(1.0f),
- m_line_cap(butt_cap),
- m_line_join(miter_join),
- m_inner_join(inner_miter),
- m_closed(0),
- m_status(initial),
- m_src_vertex(0),
- m_out_vertex(0)
-{
-}
-void vcgen_stroke::remove_all()
-{
- m_src_vertices.remove_all();
- m_closed = 0;
- m_status = initial;
-}
-void vcgen_stroke::add_vertex(FX_FLOAT x, FX_FLOAT y, unsigned cmd)
-{
- m_status = initial;
- if(is_move_to(cmd)) {
- m_src_vertices.modify_last(vertex_dist_cmd(x, y, cmd));
- } else {
- if(is_vertex(cmd)) {
- m_src_vertices.add(vertex_dist_cmd(x, y, cmd));
- } else {
- m_closed = get_close_flag(cmd);
- }
- }
-}
-static inline void calc_butt_cap(FX_FLOAT* cap,
- const vertex_dist& v0,
- const vertex_dist& v1,
- FX_FLOAT len,
- FX_FLOAT width)
-{
- FX_FLOAT dx = FXSYS_MulDiv(v1.y - v0.y, width, len);
- FX_FLOAT dy = FXSYS_MulDiv(v1.x - v0.x, width, len);
- cap[0] = v0.x - dx;
- cap[1] = v0.y + dy;
- cap[2] = v0.x + dx;
- cap[3] = v0.y - dy;
-}
-void vcgen_stroke::rewind(unsigned)
-{
- if(m_status == initial) {
- m_src_vertices.close(m_closed != 0);
- if(m_src_vertices.size() < 3) {
- m_closed = 0;
- }
- }
- m_status = ready;
- m_src_vertex = 0;
- m_out_vertex = 0;
-}
-unsigned vcgen_stroke::vertex(FX_FLOAT* x, FX_FLOAT* y)
-{
- unsigned cmd = path_cmd_line_to;
- line_join_e curj;
- while(!is_stop(cmd)) {
- switch(m_status) {
- case initial:
- rewind(0);
- case ready:
- if(m_src_vertices.size() < 2 + unsigned(m_closed != 0)) {
- cmd = path_cmd_stop;
- break;
- }
- m_status = m_closed ? outline1 : cap1;
- cmd = path_cmd_move_to;
- m_src_vertex = 0;
- m_out_vertex = 0;
- break;
- case cap1:
- stroke_calc_cap(m_out_vertices,
- m_src_vertices[0],
- m_src_vertices[1],
- m_src_vertices[0].dist,
- m_line_cap,
- m_width,
- m_approx_scale);
- m_src_vertex = 1;
- m_prev_status = outline1;
- m_status = out_vertices;
- m_out_vertex = 0;
- break;
- case cap2:
- stroke_calc_cap(m_out_vertices,
- m_src_vertices[m_src_vertices.size() - 1],
- m_src_vertices[m_src_vertices.size() - 2],
- m_src_vertices[m_src_vertices.size() - 2].dist,
- m_line_cap,
- m_width,
- m_approx_scale);
- m_prev_status = outline2;
- m_status = out_vertices;
- m_out_vertex = 0;
- break;
- case outline1:
- if(m_closed) {
- if(m_src_vertex >= m_src_vertices.size()) {
- m_prev_status = close_first;
- m_status = end_poly1;
- break;
- }
- } else {
- if(m_src_vertex >= m_src_vertices.size() - 1) {
- m_status = cap2;
- break;
- }
- }
- curj = m_src_vertices[m_src_vertex].cmd & path_flags_jr ? miter_join_round : m_line_join;
- stroke_calc_join(m_out_vertices,
- m_src_vertices.prev(m_src_vertex),
- m_src_vertices.curr(m_src_vertex),
- m_src_vertices.next(m_src_vertex),
- m_src_vertices.prev(m_src_vertex).dist,
- m_src_vertices.curr(m_src_vertex).dist,
- m_width,
- curj,
- m_inner_join,
- m_miter_limit,
- m_inner_miter_limit,
- m_approx_scale);
- ++m_src_vertex;
- m_prev_status = m_status;
- m_status = out_vertices;
- m_out_vertex = 0;
- break;
- case close_first:
- m_status = outline2;
- cmd = path_cmd_move_to;
- case outline2:
- if(m_src_vertex <= unsigned(m_closed == 0)) {
- m_status = end_poly2;
- m_prev_status = stop;
- break;
- }
- --m_src_vertex;
- curj = m_src_vertices[m_src_vertex].cmd & path_flags_jr ? miter_join_round : m_line_join;
- stroke_calc_join(m_out_vertices,
- m_src_vertices.next(m_src_vertex),
- m_src_vertices.curr(m_src_vertex),
- m_src_vertices.prev(m_src_vertex),
- m_src_vertices.curr(m_src_vertex).dist,
- m_src_vertices.prev(m_src_vertex).dist,
- m_width,
- curj,
- m_inner_join,
- m_miter_limit,
- m_inner_miter_limit,
- m_approx_scale);
- m_prev_status = m_status;
- m_status = out_vertices;
- m_out_vertex = 0;
- break;
- case out_vertices:
- if(m_out_vertex >= m_out_vertices.size()) {
- m_status = m_prev_status;
- } else {
- const point_type& c = m_out_vertices[m_out_vertex++];
- *x = c.x;
- *y = c.y;
- return cmd;
- }
- break;
- case end_poly1:
- m_status = m_prev_status;
- return path_cmd_end_poly | path_flags_close | path_flags_ccw;
- case end_poly2:
- m_status = m_prev_status;
- return path_cmd_end_poly | path_flags_close | path_flags_cw;
- case stop:
- cmd = path_cmd_stop;
- break;
- }
- }
- return cmd;
-}
-}
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