// 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 "../../../include/fxcrt/fx_basic.h" | |
#include "../../../include/fxge/fx_ge.h" | |
CFX_ClipRgn::CFX_ClipRgn(int width, int height) | |
{ | |
m_Type = RectI; | |
m_Box.left = m_Box.top = 0; | |
m_Box.right = width; | |
m_Box.bottom = height; | |
} | |
CFX_ClipRgn::CFX_ClipRgn(const FX_RECT& rect) | |
{ | |
m_Type = RectI; | |
m_Box = rect; | |
} | |
CFX_ClipRgn::CFX_ClipRgn(const CFX_ClipRgn& src) | |
{ | |
m_Type = src.m_Type; | |
m_Box = src.m_Box; | |
m_Mask = src.m_Mask; | |
} | |
CFX_ClipRgn::~CFX_ClipRgn() | |
{ | |
} | |
void CFX_ClipRgn::Reset(const FX_RECT& rect) | |
{ | |
m_Type = RectI; | |
m_Box = rect; | |
m_Mask.SetNull(); | |
} | |
void CFX_ClipRgn::IntersectRect(const FX_RECT& rect) | |
{ | |
if (m_Type == RectI) { | |
m_Box.Intersect(rect); | |
return; | |
} | |
if (m_Type == MaskF) { | |
IntersectMaskRect(rect, m_Box, m_Mask); | |
return; | |
} | |
} | |
void CFX_ClipRgn::IntersectMaskRect(FX_RECT rect, FX_RECT mask_rect, CFX_DIBitmapRef Mask) | |
{ | |
const CFX_DIBitmap* mask_dib = Mask; | |
m_Type = MaskF; | |
m_Box = rect; | |
m_Box.Intersect(mask_rect); | |
if (m_Box.IsEmpty()) { | |
m_Type = RectI; | |
return; | |
} else if (m_Box == mask_rect) { | |
m_Mask = Mask; | |
return; | |
} | |
CFX_DIBitmap* new_dib = m_Mask.New(); | |
if (!new_dib) { | |
return; | |
} | |
new_dib->Create(m_Box.Width(), m_Box.Height(), FXDIB_8bppMask); | |
for (int row = m_Box.top; row < m_Box.bottom; row ++) { | |
FX_LPBYTE dest_scan = new_dib->GetBuffer() + new_dib->GetPitch() * (row - m_Box.top); | |
FX_LPBYTE src_scan = mask_dib->GetBuffer() + mask_dib->GetPitch() * (row - mask_rect.top); | |
for (int col = m_Box.left; col < m_Box.right; col ++) { | |
dest_scan[col - m_Box.left] = src_scan[col - mask_rect.left]; | |
} | |
} | |
} | |
void CFX_ClipRgn::IntersectMaskF(int left, int top, CFX_DIBitmapRef Mask) | |
{ | |
const CFX_DIBitmap* mask_dib = Mask; | |
ASSERT(mask_dib->GetFormat() == FXDIB_8bppMask); | |
FX_RECT mask_box(left, top, left + mask_dib->GetWidth(), top + mask_dib->GetHeight()); | |
if (m_Type == RectI) { | |
IntersectMaskRect(m_Box, mask_box, Mask); | |
return; | |
} | |
if (m_Type == MaskF) { | |
FX_RECT new_box = m_Box; | |
new_box.Intersect(mask_box); | |
if (new_box.IsEmpty()) { | |
m_Type = RectI; | |
m_Mask.SetNull(); | |
m_Box = new_box; | |
return; | |
} | |
CFX_DIBitmapRef new_mask; | |
CFX_DIBitmap* new_dib = new_mask.New(); | |
if (!new_dib) { | |
return; | |
} | |
new_dib->Create(new_box.Width(), new_box.Height(), FXDIB_8bppMask); | |
const CFX_DIBitmap* old_dib = m_Mask; | |
for (int row = new_box.top; row < new_box.bottom; row ++) { | |
FX_LPBYTE old_scan = old_dib->GetBuffer() + (row - m_Box.top) * old_dib->GetPitch(); | |
FX_LPBYTE mask_scan = mask_dib->GetBuffer() + (row - top) * mask_dib->GetPitch(); | |
FX_LPBYTE new_scan = new_dib->GetBuffer() + (row - new_box.top) * new_dib->GetPitch(); | |
for (int col = new_box.left; col < new_box.right; col ++) { | |
new_scan[col - new_box.left] = old_scan[col - m_Box.left] * mask_scan[col - left] / 255; | |
} | |
} | |
m_Box = new_box; | |
m_Mask = new_mask; | |
return; | |
} | |
ASSERT(FALSE); | |
} | |
CFX_PathData::CFX_PathData() | |
{ | |
m_PointCount = m_AllocCount = 0; | |
m_pPoints = NULL; | |
} | |
CFX_PathData::~CFX_PathData() | |
{ | |
if (m_pPoints) { | |
FX_Free(m_pPoints); | |
} | |
} | |
FX_BOOL CFX_PathData::SetPointCount(int nPoints) | |
{ | |
m_PointCount = nPoints; | |
if (m_AllocCount < nPoints) { | |
if (m_pPoints) { | |
FX_Free(m_pPoints); | |
m_pPoints = NULL; | |
} | |
m_pPoints = FX_Alloc(FX_PATHPOINT, nPoints); | |
if (!m_pPoints) { | |
return FALSE; | |
} | |
m_AllocCount = nPoints; | |
} | |
return TRUE; | |
} | |
FX_BOOL CFX_PathData::AllocPointCount(int nPoints) | |
{ | |
if (m_AllocCount < nPoints) { | |
FX_PATHPOINT* pNewBuf = FX_Alloc(FX_PATHPOINT, nPoints); | |
if (!pNewBuf) { | |
return FALSE; | |
} | |
if (m_PointCount) { | |
FXSYS_memcpy32(pNewBuf, m_pPoints, m_PointCount * sizeof(FX_PATHPOINT)); | |
} | |
if (m_pPoints) { | |
FX_Free(m_pPoints); | |
} | |
m_pPoints = pNewBuf; | |
m_AllocCount = nPoints; | |
} | |
return TRUE; | |
} | |
CFX_PathData::CFX_PathData(const CFX_PathData& src) | |
{ | |
m_pPoints = NULL; | |
m_PointCount = m_AllocCount = src.m_PointCount; | |
m_pPoints = FX_Alloc(FX_PATHPOINT, src.m_PointCount); | |
if (!m_pPoints) { | |
return; | |
} | |
FXSYS_memcpy32(m_pPoints, src.m_pPoints, sizeof(FX_PATHPOINT) * m_PointCount); | |
} | |
void CFX_PathData::TrimPoints(int nPoints) | |
{ | |
if (m_PointCount <= nPoints) { | |
return; | |
} | |
SetPointCount(nPoints); | |
} | |
FX_BOOL CFX_PathData::AddPointCount(int addPoints) | |
{ | |
int new_count = m_PointCount + addPoints; | |
if (!AllocPointCount(new_count)) { | |
return FALSE; | |
} | |
m_PointCount = new_count; | |
return TRUE; | |
} | |
FX_BOOL CFX_PathData::Append(const CFX_PathData* pSrc, const CFX_AffineMatrix* pMatrix) | |
{ | |
int old_count = m_PointCount; | |
if (!AddPointCount(pSrc->m_PointCount)) { | |
return FALSE; | |
} | |
FXSYS_memcpy32(m_pPoints + old_count, pSrc->m_pPoints, pSrc->m_PointCount * sizeof(FX_PATHPOINT)); | |
if (pMatrix == NULL) { | |
return TRUE; | |
} | |
for (int i = 0; i < pSrc->m_PointCount; i ++) { | |
pMatrix->Transform(m_pPoints[old_count + i].m_PointX, m_pPoints[old_count + i].m_PointY); | |
} | |
return TRUE; | |
} | |
void CFX_PathData::SetPoint(int index, FX_FLOAT x, FX_FLOAT y, int flag) | |
{ | |
ASSERT(index < m_PointCount); | |
m_pPoints[index].m_PointX = x; | |
m_pPoints[index].m_PointY = y; | |
m_pPoints[index].m_Flag = flag; | |
} | |
FX_BOOL CFX_PathData::AppendRect(FX_FLOAT left, FX_FLOAT bottom, FX_FLOAT right, FX_FLOAT top) | |
{ | |
int old_count = m_PointCount; | |
if (!AddPointCount(5)) { | |
return FALSE; | |
} | |
FX_PATHPOINT* pPoints = m_pPoints + old_count; | |
pPoints[0].m_PointX = pPoints[1].m_PointX = pPoints[4].m_PointX = left; | |
pPoints[2].m_PointX = pPoints[3].m_PointX = right; | |
pPoints[0].m_PointY = pPoints[3].m_PointY = pPoints[4].m_PointY = bottom; | |
pPoints[1].m_PointY = pPoints[2].m_PointY = top; | |
pPoints[0].m_Flag = FXPT_MOVETO; | |
pPoints[1].m_Flag = pPoints[2].m_Flag = pPoints[3].m_Flag = FXPT_LINETO; | |
pPoints[4].m_Flag = FXPT_LINETO | FXPT_CLOSEFIGURE; | |
return TRUE; | |
} | |
CFX_FloatRect CFX_PathData::GetBoundingBox() const | |
{ | |
CFX_FloatRect rect; | |
if (m_PointCount) { | |
rect.InitRect(m_pPoints[0].m_PointX, m_pPoints[0].m_PointY); | |
for (int i = 1; i < m_PointCount; i ++) { | |
rect.UpdateRect(m_pPoints[i].m_PointX, m_pPoints[i].m_PointY); | |
} | |
} | |
return rect; | |
} | |
static void _UpdateLineEndPoints(CFX_FloatRect& rect, FX_FLOAT start_x, FX_FLOAT start_y, FX_FLOAT end_x, FX_FLOAT end_y, | |
FX_FLOAT hw) | |
{ | |
if (start_x == end_x) { | |
if (start_y == end_y) { | |
rect.UpdateRect(end_x + hw, end_y + hw); | |
rect.UpdateRect(end_x - hw, end_y - hw); | |
return; | |
} | |
FX_FLOAT point_y; | |
if (end_y < start_y) { | |
point_y = end_y - hw; | |
} else { | |
point_y = end_y + hw; | |
} | |
rect.UpdateRect(end_x + hw, point_y); | |
rect.UpdateRect(end_x - hw, point_y); | |
return; | |
} else if (start_y == end_y) { | |
FX_FLOAT point_x; | |
if (end_x < start_x) { | |
point_x = end_x - hw; | |
} else { | |
point_x = end_x + hw; | |
} | |
rect.UpdateRect(point_x, end_y + hw); | |
rect.UpdateRect(point_x, end_y - hw); | |
return; | |
} | |
FX_FLOAT dx = end_x - start_x; | |
FX_FLOAT dy = end_y - start_y; | |
FX_FLOAT ll = FXSYS_sqrt2(dx, dy); | |
FX_FLOAT mx = end_x + hw * dx / ll; | |
FX_FLOAT my = end_y + hw * dy / ll; | |
FX_FLOAT dx1 = hw * dy / ll; | |
FX_FLOAT dy1 = hw * dx / ll; | |
rect.UpdateRect(mx - dx1, my + dy1); | |
rect.UpdateRect(mx + dx1, my - dy1); | |
} | |
static void _UpdateLineJoinPoints(CFX_FloatRect& rect, FX_FLOAT start_x, FX_FLOAT start_y, | |
FX_FLOAT middle_x, FX_FLOAT middle_y, FX_FLOAT end_x, FX_FLOAT end_y, | |
FX_FLOAT half_width, FX_FLOAT miter_limit) | |
{ | |
FX_FLOAT start_k = 0, start_c = 0, end_k = 0, end_c = 0, start_len = 0, start_dc = 0, end_len = 0, end_dc = 0; | |
FX_BOOL bStartVert = FXSYS_fabs(start_x - middle_x) < 1.0f / 20; | |
FX_BOOL bEndVert = FXSYS_fabs(middle_x - end_x) < 1.0f / 20; | |
if (bStartVert && bEndVert) { | |
int start_dir = middle_y > start_y ? 1 : -1; | |
FX_FLOAT point_y = middle_y + half_width * start_dir; | |
rect.UpdateRect(middle_x + half_width, point_y); | |
rect.UpdateRect(middle_x - half_width, point_y); | |
return; | |
} | |
if (!bStartVert) { | |
start_k = FXSYS_Div(middle_y - start_y, middle_x - start_x); | |
start_c = middle_y - FXSYS_Mul(start_k, middle_x); | |
start_len = FXSYS_sqrt2(start_x - middle_x, start_y - middle_y); | |
start_dc = (FX_FLOAT)FXSYS_fabs(FXSYS_MulDiv(half_width, start_len, start_x - middle_x)); | |
} | |
if (!bEndVert) { | |
end_k = FXSYS_Div(end_y - middle_y, end_x - middle_x); | |
end_c = middle_y - FXSYS_Mul(end_k, middle_x); | |
end_len = FXSYS_sqrt2(end_x - middle_x, end_y - middle_y); | |
end_dc = (FX_FLOAT)FXSYS_fabs(FXSYS_MulDiv(half_width, end_len, end_x - middle_x)); | |
} | |
if (bStartVert) { | |
FX_FLOAT outside_x = start_x; | |
if (end_x < start_x) { | |
outside_x += half_width; | |
} else { | |
outside_x -= half_width; | |
} | |
FX_FLOAT outside_y; | |
if (start_y < FXSYS_Mul(end_k, start_x) + end_c) { | |
outside_y = FXSYS_Mul(end_k, outside_x) + end_c + end_dc; | |
} else { | |
outside_y = FXSYS_Mul(end_k, outside_x) + end_c - end_dc; | |
} | |
rect.UpdateRect(outside_x, outside_y); | |
return; | |
} | |
if (bEndVert) { | |
FX_FLOAT outside_x = end_x; | |
if (start_x < end_x) { | |
outside_x += half_width; | |
} else { | |
outside_x -= half_width; | |
} | |
FX_FLOAT outside_y; | |
if (end_y < FXSYS_Mul(start_k, end_x) + start_c) { | |
outside_y = FXSYS_Mul(start_k, outside_x) + start_c + start_dc; | |
} else { | |
outside_y = FXSYS_Mul(start_k, outside_x) + start_c - start_dc; | |
} | |
rect.UpdateRect(outside_x, outside_y); | |
return; | |
} | |
if (FXSYS_fabs(start_k - end_k) < 1.0f / 20) { | |
int start_dir = middle_x > start_x ? 1 : -1; | |
int end_dir = end_x > middle_x ? 1 : -1; | |
if (start_dir == end_dir) { | |
_UpdateLineEndPoints(rect, middle_x, middle_y, end_x, end_y, half_width); | |
} else { | |
_UpdateLineEndPoints(rect, start_x, start_y, middle_x, middle_y, half_width); | |
} | |
return; | |
} | |
FX_FLOAT start_outside_c = start_c; | |
if (end_y < FXSYS_Mul(start_k, end_x) + start_c) { | |
start_outside_c += start_dc; | |
} else { | |
start_outside_c -= start_dc; | |
} | |
FX_FLOAT end_outside_c = end_c; | |
if (start_y < FXSYS_Mul(end_k, start_x) + end_c) { | |
end_outside_c += end_dc; | |
} else { | |
end_outside_c -= end_dc; | |
} | |
FX_FLOAT join_x = FXSYS_Div(end_outside_c - start_outside_c, start_k - end_k); | |
FX_FLOAT join_y = FXSYS_Mul(start_k, join_x) + start_outside_c; | |
rect.UpdateRect(join_x, join_y); | |
} | |
CFX_FloatRect CFX_PathData::GetBoundingBox(FX_FLOAT line_width, FX_FLOAT miter_limit) const | |
{ | |
CFX_FloatRect rect(100000 * 1.0f, 100000 * 1.0f, -100000 * 1.0f, -100000 * 1.0f); | |
int iPoint = 0; | |
FX_FLOAT half_width = line_width; | |
int iStartPoint, iEndPoint, iMiddlePoint; | |
FX_BOOL bJoin; | |
while (iPoint < m_PointCount) { | |
if (m_pPoints[iPoint].m_Flag == FXPT_MOVETO) { | |
iStartPoint = iPoint + 1; | |
iEndPoint = iPoint; | |
bJoin = FALSE; | |
} else { | |
if (m_pPoints[iPoint].m_Flag == FXPT_BEZIERTO) { | |
rect.UpdateRect(m_pPoints[iPoint].m_PointX, m_pPoints[iPoint].m_PointY); | |
rect.UpdateRect(m_pPoints[iPoint + 1].m_PointX, m_pPoints[iPoint + 1].m_PointY); | |
iPoint += 2; | |
} | |
if (iPoint == m_PointCount - 1 || m_pPoints[iPoint + 1].m_Flag == FXPT_MOVETO) { | |
iStartPoint = iPoint - 1; | |
iEndPoint = iPoint; | |
bJoin = FALSE; | |
} else { | |
iStartPoint = iPoint - 1; | |
iMiddlePoint = iPoint; | |
iEndPoint = iPoint + 1; | |
bJoin = TRUE; | |
} | |
} | |
FX_FLOAT start_x = m_pPoints[iStartPoint].m_PointX; | |
FX_FLOAT start_y = m_pPoints[iStartPoint].m_PointY; | |
FX_FLOAT end_x = m_pPoints[iEndPoint].m_PointX; | |
FX_FLOAT end_y = m_pPoints[iEndPoint].m_PointY; | |
if (bJoin) { | |
FX_FLOAT middle_x = m_pPoints[iMiddlePoint].m_PointX; | |
FX_FLOAT middle_y = m_pPoints[iMiddlePoint].m_PointY; | |
_UpdateLineJoinPoints(rect, start_x, start_y, middle_x, middle_y, end_x, end_y, half_width, miter_limit); | |
} else { | |
_UpdateLineEndPoints(rect, start_x, start_y, end_x, end_y, half_width); | |
} | |
iPoint ++; | |
} | |
return rect; | |
} | |
void CFX_PathData::Transform(const CFX_AffineMatrix* pMatrix) | |
{ | |
if (pMatrix == NULL) { | |
return; | |
} | |
for (int i = 0; i < m_PointCount; i ++) { | |
pMatrix->Transform(m_pPoints[i].m_PointX, m_pPoints[i].m_PointY); | |
} | |
} | |
const int g_Distant[10] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}; | |
FX_BOOL CFX_PathData::GetZeroAreaPath(CFX_PathData& NewPath, CFX_AffineMatrix* pMatrix, FX_BOOL&bThin, FX_BOOL bAdjust) const | |
{ | |
if (m_PointCount < 3) { | |
return FALSE; | |
} | |
if (m_PointCount == 3 && (m_pPoints[0].m_Flag & FXPT_TYPE) == FXPT_MOVETO && | |
(m_pPoints[1].m_Flag & FXPT_TYPE) == FXPT_LINETO && (m_pPoints[2].m_Flag & FXPT_TYPE) == FXPT_LINETO | |
&& m_pPoints[0].m_PointX == m_pPoints[2].m_PointX && m_pPoints[0].m_PointY == m_pPoints[2].m_PointY) { | |
NewPath.AddPointCount(2); | |
if (bAdjust) { | |
if (pMatrix) { | |
FX_FLOAT x = m_pPoints[0].m_PointX, y = m_pPoints[0].m_PointY; | |
pMatrix->TransformPoint(x, y); | |
x = (int)x + 0.5f; | |
y = (int)y + 0.5f; | |
NewPath.SetPoint(0, x, y, FXPT_MOVETO); | |
x = m_pPoints[1].m_PointX, y = m_pPoints[1].m_PointY; | |
pMatrix->TransformPoint(x, y); | |
x = (int)x + 0.5f; | |
y = (int)y + 0.5f; | |
NewPath.SetPoint(1, x, y, FXPT_LINETO); | |
pMatrix->SetIdentity(); | |
} else { | |
FX_FLOAT x = (int)m_pPoints[0].m_PointX + 0.5f, y = (int)m_pPoints[0].m_PointY + 0.5f; | |
NewPath.SetPoint(0, x, y, FXPT_MOVETO); | |
x = (int)m_pPoints[1].m_PointX + 0.5f, y = (int)m_pPoints[1].m_PointY + 0.5f; | |
NewPath.SetPoint(1, x, y, FXPT_LINETO); | |
} | |
} else { | |
NewPath.SetPoint(0, m_pPoints[0].m_PointX, m_pPoints[0].m_PointY, FXPT_MOVETO); | |
NewPath.SetPoint(1, m_pPoints[1].m_PointX, m_pPoints[1].m_PointY, FXPT_LINETO); | |
} | |
if (m_pPoints[0].m_PointX != m_pPoints[1].m_PointX && m_pPoints[0].m_PointY != m_pPoints[1].m_PointY) { | |
bThin = TRUE; | |
} | |
return TRUE; | |
} | |
if (((m_PointCount > 3) && (m_PointCount % 2))) { | |
int mid = m_PointCount / 2; | |
FX_BOOL bZeroArea = FALSE; | |
CFX_PathData t_path; | |
for (int i = 0; i < mid; i++) { | |
if (!(m_pPoints[mid - i - 1].m_PointX == m_pPoints[mid + i + 1].m_PointX | |
&& m_pPoints[mid - i - 1].m_PointY == m_pPoints[mid + i + 1].m_PointY && | |
((m_pPoints[mid - i - 1].m_Flag & FXPT_TYPE) != FXPT_BEZIERTO && (m_pPoints[mid + i + 1].m_Flag & FXPT_TYPE) != FXPT_BEZIERTO))) { | |
bZeroArea = TRUE; | |
break; | |
} | |
int new_count = t_path.GetPointCount(); | |
t_path.AddPointCount(2); | |
t_path.SetPoint(new_count, m_pPoints[mid - i].m_PointX, m_pPoints[mid - i].m_PointY, FXPT_MOVETO); | |
t_path.SetPoint(new_count + 1, m_pPoints[mid - i - 1].m_PointX, m_pPoints[mid - i - 1].m_PointY, FXPT_LINETO); | |
} | |
if (!bZeroArea) { | |
NewPath.Append(&t_path, NULL); | |
bThin = TRUE; | |
return TRUE; | |
} | |
} | |
int stratPoint = 0; | |
int next = 0, i; | |
for (i = 0; i < m_PointCount; i++) { | |
int point_type = m_pPoints[i].m_Flag & FXPT_TYPE; | |
if (point_type == FXPT_MOVETO) { | |
stratPoint = i; | |
} else if (point_type == FXPT_LINETO) { | |
next = (i + 1 - stratPoint) % (m_PointCount - stratPoint) + stratPoint; | |
if ((m_pPoints[next].m_Flag & FXPT_TYPE) != FXPT_BEZIERTO && (m_pPoints[next].m_Flag & FXPT_TYPE) != FXPT_MOVETO) { | |
if((m_pPoints[i - 1].m_PointX == m_pPoints[i].m_PointX && m_pPoints[i].m_PointX == m_pPoints[next].m_PointX) | |
&& ((m_pPoints[i].m_PointY - m_pPoints[i - 1].m_PointY) * (m_pPoints[i].m_PointY - m_pPoints[next].m_PointY) > 0)) { | |
int pre = i; | |
if (FXSYS_fabs(m_pPoints[i].m_PointY - m_pPoints[i - 1].m_PointY) | |
< FXSYS_fabs(m_pPoints[i].m_PointY - m_pPoints[next].m_PointY)) { | |
pre --; | |
next--; | |
} | |
int new_count = NewPath.GetPointCount(); | |
NewPath.AddPointCount(2); | |
NewPath.SetPoint(new_count, m_pPoints[pre].m_PointX, m_pPoints[pre].m_PointY, FXPT_MOVETO); | |
NewPath.SetPoint(new_count + 1, m_pPoints[next].m_PointX, m_pPoints[next].m_PointY, FXPT_LINETO); | |
} else if((m_pPoints[i - 1].m_PointY == m_pPoints[i].m_PointY && m_pPoints[i].m_PointY == m_pPoints[next].m_PointY) | |
&& ((m_pPoints[i].m_PointX - m_pPoints[i - 1].m_PointX) * (m_pPoints[i].m_PointX - m_pPoints[next].m_PointX) > 0)) { | |
int pre = i; | |
if (FXSYS_fabs(m_pPoints[i].m_PointX - m_pPoints[i - 1].m_PointX) | |
< FXSYS_fabs(m_pPoints[i].m_PointX - m_pPoints[next].m_PointX)) { | |
pre --; | |
next--; | |
} | |
int new_count = NewPath.GetPointCount(); | |
NewPath.AddPointCount(2); | |
NewPath.SetPoint(new_count, m_pPoints[pre].m_PointX, m_pPoints[pre].m_PointY, FXPT_MOVETO); | |
NewPath.SetPoint(new_count + 1, m_pPoints[next].m_PointX, m_pPoints[next].m_PointY, FXPT_LINETO); | |
} else if ((m_pPoints[i - 1].m_Flag & FXPT_TYPE) == FXPT_MOVETO && (m_pPoints[next].m_Flag & FXPT_TYPE) == FXPT_LINETO && | |
m_pPoints[i - 1].m_PointX == m_pPoints[next].m_PointX && m_pPoints[i - 1].m_PointY == m_pPoints[next].m_PointY | |
&& m_pPoints[next].m_Flag & FXPT_CLOSEFIGURE) { | |
int new_count = NewPath.GetPointCount(); | |
NewPath.AddPointCount(2); | |
NewPath.SetPoint(new_count, m_pPoints[i - 1].m_PointX, m_pPoints[i - 1].m_PointY, FXPT_MOVETO); | |
NewPath.SetPoint(new_count + 1, m_pPoints[i].m_PointX, m_pPoints[i].m_PointY, FXPT_LINETO); | |
bThin = TRUE; | |
} | |
} | |
} else if (point_type == FXPT_BEZIERTO) { | |
i += 2; | |
continue; | |
} | |
} | |
if (m_PointCount > 3 && NewPath.GetPointCount()) { | |
bThin = TRUE; | |
} | |
if (NewPath.GetPointCount() == 0) { | |
return FALSE; | |
} | |
return TRUE; | |
} | |
FX_BOOL CFX_PathData::IsRect() const | |
{ | |
if (m_PointCount != 5 && m_PointCount != 4) { | |
return FALSE; | |
} | |
if ((m_PointCount == 5 && (m_pPoints[0].m_PointX != m_pPoints[4].m_PointX || | |
m_pPoints[0].m_PointY != m_pPoints[4].m_PointY)) || | |
(m_pPoints[0].m_PointX == m_pPoints[2].m_PointX && m_pPoints[0].m_PointY == m_pPoints[2].m_PointY) || | |
(m_pPoints[1].m_PointX == m_pPoints[3].m_PointX && m_pPoints[1].m_PointY == m_pPoints[3].m_PointY)) { | |
return FALSE; | |
} | |
if (m_pPoints[0].m_PointX != m_pPoints[3].m_PointX && m_pPoints[0].m_PointY != m_pPoints[3].m_PointY) { | |
return FALSE; | |
} | |
for (int i = 1; i < 4; i ++) { | |
if ((m_pPoints[i].m_Flag & FXPT_TYPE) != FXPT_LINETO) { | |
return FALSE; | |
} | |
if (m_pPoints[i].m_PointX != m_pPoints[i - 1].m_PointX && m_pPoints[i].m_PointY != m_pPoints[i - 1].m_PointY) { | |
return FALSE; | |
} | |
} | |
return m_PointCount == 5 || (m_pPoints[3].m_Flag & FXPT_CLOSEFIGURE); | |
} | |
FX_BOOL CFX_PathData::IsRect(const CFX_AffineMatrix* pMatrix, CFX_FloatRect* pRect) const | |
{ | |
if (pMatrix == NULL) { | |
if (!IsRect()) { | |
return FALSE; | |
} | |
if (pRect) { | |
pRect->left = m_pPoints[0].m_PointX; | |
pRect->right = m_pPoints[2].m_PointX; | |
pRect->bottom = m_pPoints[0].m_PointY; | |
pRect->top = m_pPoints[2].m_PointY; | |
pRect->Normalize(); | |
} | |
return TRUE; | |
} | |
if (m_PointCount != 5 && m_PointCount != 4) { | |
return FALSE; | |
} | |
if ((m_PointCount == 5 && (m_pPoints[0].m_PointX != m_pPoints[4].m_PointX || m_pPoints[0].m_PointY != m_pPoints[4].m_PointY)) || | |
(m_pPoints[1].m_PointX == m_pPoints[3].m_PointX && m_pPoints[1].m_PointY == m_pPoints[3].m_PointY)) { | |
return FALSE; | |
} | |
if (m_PointCount == 4 && m_pPoints[0].m_PointX != m_pPoints[3].m_PointX && m_pPoints[0].m_PointY != m_pPoints[3].m_PointY) { | |
return FALSE; | |
} | |
FX_FLOAT x[5], y[5]; | |
for (int i = 0; i < m_PointCount; i ++) { | |
pMatrix->Transform(m_pPoints[i].m_PointX, m_pPoints[i].m_PointY, x[i], y[i]); | |
if (i) { | |
if ((m_pPoints[i].m_Flag & FXPT_TYPE) != FXPT_LINETO) { | |
return FALSE; | |
} | |
if (x[i] != x[i - 1] && y[i] != y[i - 1]) { | |
return FALSE; | |
} | |
} | |
} | |
if (pRect) { | |
pRect->left = x[0]; | |
pRect->right = x[2]; | |
pRect->bottom = y[0]; | |
pRect->top = y[2]; | |
pRect->Normalize(); | |
} | |
return TRUE; | |
} | |
FX_BOOL CFX_PathData::Copy(const CFX_PathData &src) | |
{ | |
if (!SetPointCount(src.m_PointCount)) { | |
return FALSE; | |
} | |
FXSYS_memcpy32(m_pPoints, src.m_pPoints, sizeof(FX_PATHPOINT) * m_PointCount); | |
return TRUE; | |
} | |
CFX_GraphStateData::CFX_GraphStateData() | |
{ | |
m_LineCap = LineCapButt; | |
m_DashCount = 0; | |
m_DashArray = NULL; | |
m_DashPhase = 0; | |
m_LineJoin = LineJoinMiter; | |
m_MiterLimit = 10 * 1.0f; | |
m_LineWidth = 1.0f; | |
} | |
CFX_GraphStateData::CFX_GraphStateData(const CFX_GraphStateData& src) | |
{ | |
m_DashArray = NULL; | |
Copy(src); | |
} | |
void CFX_GraphStateData::Copy(const CFX_GraphStateData& src) | |
{ | |
m_LineCap = src.m_LineCap; | |
m_DashCount = src.m_DashCount; | |
if (m_DashArray) { | |
FX_Free(m_DashArray); | |
} | |
m_DashArray = NULL; | |
m_DashPhase = src.m_DashPhase; | |
m_LineJoin = src.m_LineJoin; | |
m_MiterLimit = src.m_MiterLimit; | |
m_LineWidth = src.m_LineWidth; | |
if (m_DashCount) { | |
m_DashArray = FX_Alloc(FX_FLOAT, m_DashCount); | |
if (!m_DashArray) { | |
return; | |
} | |
FXSYS_memcpy32(m_DashArray, src.m_DashArray, m_DashCount * sizeof(FX_FLOAT)); | |
} | |
} | |
CFX_GraphStateData::~CFX_GraphStateData() | |
{ | |
if (m_DashArray) { | |
FX_Free(m_DashArray); | |
} | |
} | |
void CFX_GraphStateData::SetDashCount(int count) | |
{ | |
if (m_DashArray) { | |
FX_Free(m_DashArray); | |
} | |
m_DashArray = NULL; | |
m_DashCount = count; | |
if (count == 0) { | |
return; | |
} | |
m_DashArray = FX_Alloc(FX_FLOAT, count); | |
} |