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author | dsinclair <dsinclair@chromium.org> | 2016-04-21 11:06:27 -0700 |
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committer | Commit bot <commit-bot@chromium.org> | 2016-04-21 11:06:27 -0700 |
commit | acd0d59e3c09f04bffd178aecd3638d3e189faba (patch) | |
tree | 39e30a37353f74aeb775834967eb86779c0bbdcd /xfa/fde/fde_geobject.cpp | |
parent | 4f70b53efb39e9b9b868d99999582282be57fe50 (diff) | |
download | pdfium-acd0d59e3c09f04bffd178aecd3638d3e189faba.tar.xz |
Cleanup FDE interfaces.
This CL removes IFDE_TextOut, IFDE_Path, IFDE_RenderContext, IFDE_RenderDevice,
and IFDE_VisualSetIterator in favour of the concrete classes.
BUG=pdfium:468
Review URL: https://codereview.chromium.org/1896893003
Diffstat (limited to 'xfa/fde/fde_geobject.cpp')
-rw-r--r-- | xfa/fde/fde_geobject.cpp | 255 |
1 files changed, 0 insertions, 255 deletions
diff --git a/xfa/fde/fde_geobject.cpp b/xfa/fde/fde_geobject.cpp deleted file mode 100644 index f4aede0ee4..0000000000 --- a/xfa/fde/fde_geobject.cpp +++ /dev/null @@ -1,255 +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/fde/fde_geobject.h" - -#include "xfa/fde/fde_object.h" - -IFDE_Path* IFDE_Path::Create() { - return new CFDE_Path; -} -FX_BOOL CFDE_Path::StartFigure() { - return CloseFigure(); -} -FX_BOOL CFDE_Path::CloseFigure() { - FX_PATHPOINT* pPoint = GetLastPoint(); - if (pPoint) { - pPoint->m_Flag |= FXPT_CLOSEFIGURE; - } - return TRUE; -} -FX_PATHPOINT* CFDE_Path::GetLastPoint(int32_t iCount) const { - if (iCount < 1) { - return NULL; - } - int32_t iPoints = m_Path.GetPointCount(); - if (iCount > iPoints) { - return NULL; - } - return m_Path.GetPoints() + iPoints - iCount; -} -FX_BOOL CFDE_Path::FigureClosed() const { - FX_PATHPOINT* pPoint = GetLastPoint(); - return pPoint ? (pPoint->m_Flag & FXPT_CLOSEFIGURE) : TRUE; -} -FX_PATHPOINT* CFDE_Path::AddPoints(int32_t iCount) { - if (iCount < 1) { - return NULL; - } - int32_t iPoints = m_Path.GetPointCount(); - m_Path.AddPointCount(iCount); - return m_Path.GetPoints() + iPoints; -} -void CFDE_Path::MoveTo(FX_FLOAT fx, FX_FLOAT fy) { - FX_PATHPOINT* pPoint = AddPoints(1); - pPoint->m_PointX = fx; - pPoint->m_PointY = fy; - pPoint->m_Flag = FXPT_MOVETO; -} -void CFDE_Path::LineTo(FX_FLOAT fx, FX_FLOAT fy) { - FX_PATHPOINT* pPoint = AddPoints(1); - pPoint->m_PointX = fx; - pPoint->m_PointY = fy; - pPoint->m_Flag = FXPT_LINETO; -} -void CFDE_Path::BezierTo(const CFX_PointF& p1, - const CFX_PointF& p2, - const CFX_PointF& p3) { - FX_PATHPOINT* p = AddPoints(3); - p[0].m_PointX = p1.x; - p[0].m_PointY = p1.y; - p[0].m_Flag = FXPT_BEZIERTO; - p[1].m_PointX = p2.x; - p[1].m_PointY = p2.y; - p[1].m_Flag = FXPT_BEZIERTO; - p[2].m_PointX = p3.x; - p[2].m_PointY = p3.y; - p[2].m_Flag = FXPT_BEZIERTO; -} -void CFDE_Path::ArcTo(FX_BOOL bStart, - const CFX_RectF& rect, - FX_FLOAT startAngle, - FX_FLOAT endAngle) { - FX_FLOAT rx = rect.width / 2; - FX_FLOAT ry = rect.height / 2; - FX_FLOAT cx = rect.left + rx; - FX_FLOAT cy = rect.top + ry; - FX_FLOAT alpha = - FXSYS_atan2(rx * FXSYS_sin(startAngle), ry * FXSYS_cos(startAngle)); - FX_FLOAT beta = - FXSYS_atan2(rx * FXSYS_sin(endAngle), ry * FXSYS_cos(endAngle)); - if (FXSYS_fabs(beta - alpha) > FX_PI) { - if (beta > alpha) { - beta -= 2 * FX_PI; - } else { - alpha -= 2 * FX_PI; - } - } - FX_FLOAT half_delta = (beta - alpha) / 2; - FX_FLOAT bcp = 4.0f / 3 * (1 - FXSYS_cos(half_delta)) / FXSYS_sin(half_delta); - FX_FLOAT sin_alpha = FXSYS_sin(alpha); - FX_FLOAT sin_beta = FXSYS_sin(beta); - FX_FLOAT cos_alpha = FXSYS_cos(alpha); - FX_FLOAT cos_beta = FXSYS_cos(beta); - if (bStart) - MoveTo(CFX_PointF(cx + rx * cos_alpha, cy + ry * sin_alpha)); - - BezierTo(CFX_PointF(cx + rx * (cos_alpha - bcp * sin_alpha), - cy + ry * (sin_alpha + bcp * cos_alpha)), - CFX_PointF(cx + rx * (cos_beta + bcp * sin_beta), - cy + ry * (sin_beta - bcp * cos_beta)), - CFX_PointF(cx + rx * cos_beta, cy + ry * sin_beta)); -} - -void CFDE_Path::AddBezier(const CFX_PointsF& points) { - if (points.GetSize() != 4) { - return; - } - const CFX_PointF* p = points.GetData(); - MoveTo(p[0]); - BezierTo(p[1], p[2], p[3]); -} -void CFDE_Path::AddBeziers(const CFX_PointsF& points) { - int32_t iCount = points.GetSize(); - if (iCount < 4) { - return; - } - const CFX_PointF* p = points.GetData(); - const CFX_PointF* pEnd = p + iCount; - MoveTo(p[0]); - for (++p; p <= pEnd - 3; p += 3) { - BezierTo(p[0], p[1], p[2]); - } -} -void CFDE_Path::GetCurveTangents(const CFX_PointsF& points, - CFX_PointsF& tangents, - FX_BOOL bClosed, - FX_FLOAT fTension) const { - int32_t iCount = points.GetSize(); - tangents.SetSize(iCount); - if (iCount < 3) { - return; - } - FX_FLOAT fCoefficient = fTension / 3.0f; - const CFX_PointF* pPoints = points.GetData(); - CFX_PointF* pTangents = tangents.GetData(); - for (int32_t i = 0; i < iCount; ++i) { - int32_t r = i + 1; - int32_t s = i - 1; - if (r >= iCount) { - r = bClosed ? (r - iCount) : (iCount - 1); - } - if (s < 0) { - s = bClosed ? (s + iCount) : 0; - } - pTangents[i].x += (fCoefficient * (pPoints[r].x - pPoints[s].x)); - pTangents[i].y += (fCoefficient * (pPoints[r].y - pPoints[s].y)); - } -} -void CFDE_Path::AddCurve(const CFX_PointsF& points, - FX_BOOL bClosed, - FX_FLOAT fTension) { - int32_t iLast = points.GetUpperBound(); - if (iLast < 1) { - return; - } - CFX_PointsF tangents; - GetCurveTangents(points, tangents, bClosed, fTension); - const CFX_PointF* pPoints = points.GetData(); - CFX_PointF* pTangents = tangents.GetData(); - MoveTo(pPoints[0]); - for (int32_t i = 0; i < iLast; ++i) { - BezierTo(CFX_PointF(pPoints[i].x + pTangents[i].x, - pPoints[i].y + pTangents[i].y), - CFX_PointF(pPoints[i + 1].x - pTangents[i + 1].x, - pPoints[i + 1].y - pTangents[i + 1].y), - CFX_PointF(pPoints[i + 1].x, pPoints[i + 1].y)); - } - if (bClosed) { - BezierTo(CFX_PointF(pPoints[iLast].x + pTangents[iLast].x, - pPoints[iLast].y + pTangents[iLast].y), - CFX_PointF(pPoints[0].x - pTangents[0].x, - pPoints[0].y - pTangents[0].y), - CFX_PointF(pPoints[0].x, pPoints[0].y)); - CloseFigure(); - } -} -void CFDE_Path::AddEllipse(const CFX_RectF& rect) { - FX_FLOAT fStartAngle = 0; - FX_FLOAT fEndAngle = FX_PI / 2; - for (int32_t i = 0; i < 4; ++i) { - ArcTo(i == 0, rect, fStartAngle, fEndAngle); - fStartAngle += FX_PI / 2; - fEndAngle += FX_PI / 2; - } - CloseFigure(); -} -void CFDE_Path::AddLine(const CFX_PointF& pt1, const CFX_PointF& pt2) { - FX_PATHPOINT* pLast = GetLastPoint(); - if (pLast == NULL || FXSYS_fabs(pLast->m_PointX - pt1.x) > 0.001 || - FXSYS_fabs(pLast->m_PointY - pt1.y) > 0.001) { - MoveTo(pt1); - } - LineTo(pt2); -} -void CFDE_Path::AddPath(const IFDE_Path* pSrc, FX_BOOL bConnect) { - CFDE_Path* pPath = (CFDE_Path*)pSrc; - if (pPath == NULL) { - return; - } - int32_t iCount = pPath->m_Path.GetPointCount(); - if (iCount < 1) { - return; - } - if (bConnect) { - LineTo(pPath->m_Path.GetPointX(0), pPath->m_Path.GetPointY(0)); - } - m_Path.Append(&pPath->m_Path, NULL); -} -void CFDE_Path::AddPolygon(const CFX_PointsF& points) { - int32_t iCount = points.GetSize(); - if (iCount < 2) { - return; - } - AddLines(points); - const CFX_PointF* p = points.GetData(); - if (FXSYS_fabs(p[0].x - p[iCount - 1].x) < 0.01f || - FXSYS_fabs(p[0].y - p[iCount - 1].y) < 0.01f) { - LineTo(p[0]); - } - CloseFigure(); -} -void CFDE_Path::AddLines(const CFX_PointsF& points) { - int32_t iCount = points.GetSize(); - if (iCount < 2) { - return; - } - const CFX_PointF* p = points.GetData(); - const CFX_PointF* pEnd = p + iCount; - MoveTo(p[0]); - for (++p; p < pEnd; ++p) { - LineTo(*p); - } -} -void CFDE_Path::AddRectangle(const CFX_RectF& rect) { - MoveTo(rect.TopLeft()); - LineTo(rect.TopRight()); - LineTo(rect.BottomRight()); - LineTo(rect.BottomLeft()); - CloseFigure(); -} -void CFDE_Path::GetBBox(CFX_RectF& bbox) const { - CFX_FloatRect rect = m_Path.GetBoundingBox(); - bbox.Set(rect.left, rect.top, rect.Width(), rect.Height()); - bbox.Normalize(); -} -void CFDE_Path::GetBBox(CFX_RectF& bbox, - FX_FLOAT fLineWidth, - FX_FLOAT fMiterLimit) const { - CFX_FloatRect rect = m_Path.GetBoundingBox(fLineWidth, fMiterLimit); - bbox.Set(rect.left, rect.top, rect.Width(), rect.Height()); - bbox.Normalize(); -} |