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authordsinclair <dsinclair@chromium.org>2016-04-21 11:06:27 -0700
committerCommit bot <commit-bot@chromium.org>2016-04-21 11:06:27 -0700
commitacd0d59e3c09f04bffd178aecd3638d3e189faba (patch)
tree39e30a37353f74aeb775834967eb86779c0bbdcd /xfa/fde/fde_geobject.cpp
parent4f70b53efb39e9b9b868d99999582282be57fe50 (diff)
downloadpdfium-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.cpp255
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();
-}