diff options
Diffstat (limited to 'xfa/fxgraphics/cfx_path_generator.cpp')
| -rw-r--r-- | xfa/fxgraphics/cfx_path_generator.cpp | 164 |
1 files changed, 0 insertions, 164 deletions
diff --git a/xfa/fxgraphics/cfx_path_generator.cpp b/xfa/fxgraphics/cfx_path_generator.cpp deleted file mode 100644 index ab3d9d631a..0000000000 --- a/xfa/fxgraphics/cfx_path_generator.cpp +++ /dev/null @@ -1,164 +0,0 @@ -// Copyright 2014 PDFium Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. - -// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com - -#include "xfa/fxgraphics/cfx_path_generator.h" - -#include "core/fxge/cfx_pathdata.h" -#include "core/fxge/cfx_renderdevice.h" - -CFX_PathGenerator::CFX_PathGenerator() : m_pPathData(new CFX_PathData) {} - -CFX_PathGenerator::~CFX_PathGenerator() {} - -void CFX_PathGenerator::AddPathData(CFX_PathData* pPathData) { - if (!pPathData) - return; - m_pPathData->Append(pPathData, nullptr); -} - -void CFX_PathGenerator::MoveTo(const CFX_PointF& point) { - m_pPathData->AppendPoint(point, FXPT_TYPE::MoveTo, false); -} - -void CFX_PathGenerator::LineTo(const CFX_PointF& point) { - m_pPathData->AppendPoint(point, FXPT_TYPE::LineTo, false); -} - -void CFX_PathGenerator::BezierTo(const CFX_PointF& c1, - const CFX_PointF& c2, - const CFX_PointF& to) { - m_pPathData->AppendPoint(c1, FXPT_TYPE::BezierTo, false); - m_pPathData->AppendPoint(c2, FXPT_TYPE::BezierTo, false); - m_pPathData->AppendPoint(to, FXPT_TYPE::BezierTo, false); -} - -void CFX_PathGenerator::Close() { - m_pPathData->ClosePath(); -} - -void CFX_PathGenerator::AddLine(const CFX_PointF& p1, const CFX_PointF& p2) { - m_pPathData->AppendPoint(p1, FXPT_TYPE::MoveTo, false); - m_pPathData->AppendPoint(p2, FXPT_TYPE::LineTo, false); -} - -void CFX_PathGenerator::AddBezier(const CFX_PointF& p1, - const CFX_PointF& c1, - const CFX_PointF& c2, - const CFX_PointF& p2) { - m_pPathData->AppendPoint(p1, FXPT_TYPE::MoveTo, false); - m_pPathData->AppendPoint(c1, FXPT_TYPE::BezierTo, false); - m_pPathData->AppendPoint(c2, FXPT_TYPE::BezierTo, false); - m_pPathData->AppendPoint(p2, FXPT_TYPE::BezierTo, false); -} - -void CFX_PathGenerator::AddRectangle(FX_FLOAT x1, - FX_FLOAT y1, - FX_FLOAT x2, - FX_FLOAT y2) { - m_pPathData->AppendRect(x1, y1, x2, y2); -} - -void CFX_PathGenerator::AddEllipse(const CFX_PointF& pos, - const CFX_SizeF& size) { - AddArc(pos, size, 0, FX_PI * 2); -} - -void CFX_PathGenerator::ArcTo(const CFX_PointF& pos, - const CFX_SizeF& size, - FX_FLOAT start_angle, - FX_FLOAT sweep_angle) { - FX_FLOAT x0 = FXSYS_cos(sweep_angle / 2); - FX_FLOAT y0 = FXSYS_sin(sweep_angle / 2); - FX_FLOAT tx = ((1.0f - x0) * 4) / (3 * 1.0f); - FX_FLOAT ty = y0 - ((tx * x0) / y0); - FX_FLOAT px[3], py[3]; - px[0] = x0 + tx; - py[0] = -ty; - px[1] = x0 + tx; - py[1] = ty; - FX_FLOAT sn = FXSYS_sin(start_angle + sweep_angle / 2); - FX_FLOAT cs = FXSYS_cos(start_angle + sweep_angle / 2); - - CFX_PointF bezier; - bezier.x = pos.x + (size.width * ((px[0] * cs) - (py[0] * sn))); - bezier.y = pos.y + (size.height * ((px[0] * sn) + (py[0] * cs))); - m_pPathData->AppendPoint(bezier, FXPT_TYPE::BezierTo, false); - - bezier.x = pos.x + (size.width * ((px[1] * cs) - (py[1] * sn))); - bezier.y = pos.y + (size.height * ((px[1] * sn) + (py[1] * cs))); - m_pPathData->AppendPoint(bezier, FXPT_TYPE::BezierTo, false); - - bezier.x = pos.x + (size.width * FXSYS_cos(start_angle + sweep_angle)); - bezier.y = pos.y + (size.height * FXSYS_sin(start_angle + sweep_angle)); - m_pPathData->AppendPoint(bezier, FXPT_TYPE::BezierTo, false); -} - -void CFX_PathGenerator::AddArc(const CFX_PointF& pos, - const CFX_SizeF& size, - FX_FLOAT start_angle, - FX_FLOAT sweep_angle) { - if (sweep_angle == 0) - return; - - const FX_FLOAT bezier_arc_angle_epsilon = 0.01f; - while (start_angle > FX_PI * 2) - start_angle -= FX_PI * 2; - while (start_angle < 0) - start_angle += FX_PI * 2; - if (sweep_angle >= FX_PI * 2) - sweep_angle = FX_PI * 2; - if (sweep_angle <= -FX_PI * 2) - sweep_angle = -FX_PI * 2; - - m_pPathData->AppendPoint( - pos + CFX_PointF(size.width * FXSYS_cos(start_angle), - size.height * FXSYS_sin(start_angle)), - FXPT_TYPE::MoveTo, false); - - FX_FLOAT total_sweep = 0; - FX_FLOAT local_sweep = 0; - FX_FLOAT prev_sweep = 0; - bool done = false; - do { - if (sweep_angle < 0) { - prev_sweep = total_sweep; - local_sweep = -FX_PI / 2; - total_sweep -= FX_PI / 2; - if (total_sweep <= sweep_angle + bezier_arc_angle_epsilon) { - local_sweep = sweep_angle - prev_sweep; - done = true; - } - } else { - prev_sweep = total_sweep; - local_sweep = FX_PI / 2; - total_sweep += FX_PI / 2; - if (total_sweep >= sweep_angle - bezier_arc_angle_epsilon) { - local_sweep = sweep_angle - prev_sweep; - done = true; - } - } - - ArcTo(pos, size, start_angle, local_sweep); - start_angle += local_sweep; - } while (!done); -} - -void CFX_PathGenerator::AddPie(const CFX_PointF& pos, - const CFX_SizeF& size, - FX_FLOAT start_angle, - FX_FLOAT sweep_angle) { - if (sweep_angle == 0) { - m_pPathData->AppendPoint(pos, FXPT_TYPE::MoveTo, false); - m_pPathData->AppendPoint( - pos + CFX_PointF(size.width * FXSYS_cos(start_angle), - size.height * FXSYS_sin(start_angle)), - FXPT_TYPE::LineTo, false); - return; - } - - AddArc(pos, size, start_angle, sweep_angle); - m_pPathData->AppendPoint(pos, FXPT_TYPE::LineTo, true); -} |