Index: core/src/fxge/ge/fx_ge_path.cpp |
diff --git a/core/src/fxge/ge/fx_ge_path.cpp b/core/src/fxge/ge/fx_ge_path.cpp |
index b1410b3911d1d801487b9183795b6ebe1262bb0a..b50c271c20d791797bb5444850dab68d6efcd8c0 100644 |
--- a/core/src/fxge/ge/fx_ge_path.cpp |
+++ b/core/src/fxge/ge/fx_ge_path.cpp |
@@ -8,624 +8,664 @@ |
#include "../../../include/fxcrt/fx_system.h" |
#include "../../../include/fxge/fx_ge.h" |
-CFX_ClipRgn::CFX_ClipRgn(int width, int height) |
-{ |
+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; |
- 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; |
- } |
- if (m_Box == mask_rect) { |
- m_Mask = Mask; |
- return; |
- } |
- CFX_DIBitmap* new_dib = m_Mask.New(); |
+ return; |
+ } |
+ 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++) { |
+ uint8_t* dest_scan = |
+ new_dib->GetBuffer() + new_dib->GetPitch() * (row - m_Box.top); |
+ uint8_t* 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(m_Box.Width(), m_Box.Height(), FXDIB_8bppMask); |
- for (int row = m_Box.top; row < m_Box.bottom; row ++) { |
- uint8_t* dest_scan = new_dib->GetBuffer() + new_dib->GetPitch() * (row - m_Box.top); |
- uint8_t* 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 ++) { |
- uint8_t* old_scan = old_dib->GetBuffer() + (row - m_Box.top) * old_dib->GetPitch(); |
- uint8_t* mask_scan = mask_dib->GetBuffer() + (row - top) * mask_dib->GetPitch(); |
- uint8_t* 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() |
-{ |
+ 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++) { |
+ uint8_t* old_scan = |
+ old_dib->GetBuffer() + (row - m_Box.top) * old_dib->GetPitch(); |
+ uint8_t* mask_scan = |
+ mask_dib->GetBuffer() + (row - top) * mask_dib->GetPitch(); |
+ uint8_t* 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); |
+ } |
+} |
+void CFX_PathData::SetPointCount(int nPoints) { |
+ m_PointCount = nPoints; |
+ if (m_AllocCount < nPoints) { |
if (m_pPoints) { |
- FX_Free(m_pPoints); |
- } |
-} |
-void 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); |
- m_AllocCount = nPoints; |
- } |
-} |
-void CFX_PathData::AllocPointCount(int nPoints) |
-{ |
- if (m_AllocCount < nPoints) { |
- FX_PATHPOINT* pNewBuf = FX_Alloc(FX_PATHPOINT, nPoints); |
- if (m_PointCount) { |
- FXSYS_memcpy(pNewBuf, m_pPoints, m_PointCount * sizeof(FX_PATHPOINT)); |
- } |
- if (m_pPoints) { |
- FX_Free(m_pPoints); |
- } |
- m_pPoints = pNewBuf; |
- m_AllocCount = nPoints; |
+ FX_Free(m_pPoints); |
+ m_pPoints = NULL; |
} |
+ m_pPoints = FX_Alloc(FX_PATHPOINT, nPoints); |
+ m_AllocCount = nPoints; |
+ } |
} |
-CFX_PathData::CFX_PathData(const CFX_PathData& src) |
-{ |
- m_PointCount = m_AllocCount = src.m_PointCount; |
- m_pPoints = FX_Alloc(FX_PATHPOINT, src.m_PointCount); |
- FXSYS_memcpy(m_pPoints, src.m_pPoints, sizeof(FX_PATHPOINT) * m_PointCount); |
-} |
-void CFX_PathData::TrimPoints(int nPoints) |
-{ |
- if (m_PointCount <= nPoints) { |
- return; |
- } |
- SetPointCount(nPoints); |
-} |
-void CFX_PathData::AddPointCount(int addPoints) |
-{ |
- pdfium::base::CheckedNumeric<int> safe_new_count = m_PointCount; |
- safe_new_count += addPoints; |
- int new_count = safe_new_count.ValueOrDie(); |
- AllocPointCount(new_count); |
- m_PointCount = new_count; |
-} |
-void CFX_PathData::Append(const CFX_PathData* pSrc, const CFX_AffineMatrix* pMatrix) |
-{ |
- int old_count = m_PointCount; |
- AddPointCount(pSrc->m_PointCount); |
- FXSYS_memcpy(m_pPoints + old_count, pSrc->m_pPoints, pSrc->m_PointCount * sizeof(FX_PATHPOINT)); |
- if (pMatrix) { |
- 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); |
- } |
- } |
-} |
-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; |
-} |
-void CFX_PathData::AppendRect(FX_FLOAT left, FX_FLOAT bottom, FX_FLOAT right, FX_FLOAT top) |
-{ |
- int old_count = m_PointCount; |
- AddPointCount(5); |
- 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; |
-} |
-CFX_FloatRect CFX_PathData::GetBoundingBox() const |
-{ |
- CFX_FloatRect rect; |
+void CFX_PathData::AllocPointCount(int nPoints) { |
+ if (m_AllocCount < nPoints) { |
+ FX_PATHPOINT* pNewBuf = FX_Alloc(FX_PATHPOINT, nPoints); |
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; |
+ FXSYS_memcpy(pNewBuf, m_pPoints, m_PointCount * sizeof(FX_PATHPOINT)); |
} |
+ if (m_pPoints) { |
+ FX_Free(m_pPoints); |
+ } |
+ m_pPoints = pNewBuf; |
+ m_AllocCount = nPoints; |
+ } |
+} |
+CFX_PathData::CFX_PathData(const CFX_PathData& src) { |
+ m_PointCount = m_AllocCount = src.m_PointCount; |
+ m_pPoints = FX_Alloc(FX_PATHPOINT, src.m_PointCount); |
+ FXSYS_memcpy(m_pPoints, src.m_pPoints, sizeof(FX_PATHPOINT) * m_PointCount); |
+} |
+void CFX_PathData::TrimPoints(int nPoints) { |
+ if (m_PointCount <= nPoints) { |
+ return; |
+ } |
+ SetPointCount(nPoints); |
+} |
+void CFX_PathData::AddPointCount(int addPoints) { |
+ pdfium::base::CheckedNumeric<int> safe_new_count = m_PointCount; |
+ safe_new_count += addPoints; |
+ int new_count = safe_new_count.ValueOrDie(); |
+ AllocPointCount(new_count); |
+ m_PointCount = new_count; |
+} |
+void CFX_PathData::Append(const CFX_PathData* pSrc, |
+ const CFX_AffineMatrix* pMatrix) { |
+ int old_count = m_PointCount; |
+ AddPointCount(pSrc->m_PointCount); |
+ FXSYS_memcpy(m_pPoints + old_count, pSrc->m_pPoints, |
+ pSrc->m_PointCount * sizeof(FX_PATHPOINT)); |
+ if (pMatrix) { |
+ 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); |
+ } |
+ } |
+} |
+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; |
+} |
+void CFX_PathData::AppendRect(FX_FLOAT left, |
+ FX_FLOAT bottom, |
+ FX_FLOAT right, |
+ FX_FLOAT top) { |
+ int old_count = m_PointCount; |
+ AddPointCount(5); |
+ 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; |
+} |
+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) { |
- 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; |
+ rect.UpdateRect(end_x + hw, end_y + hw); |
+ rect.UpdateRect(end_x - hw, end_y - hw); |
+ 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; |
+ 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; |
+ } |
+ if (start_y == end_y) { |
+ FX_FLOAT point_x; |
+ if (end_x < start_x) { |
+ point_x = end_x - hw; |
} else { |
- start_outside_c -= start_dc; |
+ 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 end_outside_c = end_c; |
+ FX_FLOAT outside_y; |
if (start_y < FXSYS_Mul(end_k, start_x) + end_c) { |
- end_outside_c += end_dc; |
+ outside_y = FXSYS_Mul(end_k, outside_x) + end_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); |
- } |
-} |
-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; |
- } |
+ 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; |
} |
- if (m_PointCount > 3 && NewPath.GetPointCount()) { |
- bThin = TRUE; |
+ 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); |
+ } |
+} |
+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 (NewPath.GetPointCount() == 0) { |
- return FALSE; |
+ 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; |
-} |
-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 (((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 = x[0]; |
- pRect->right = x[2]; |
- pRect->bottom = y[0]; |
- pRect->top = y[2]; |
- pRect->Normalize(); |
+ 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; |
-} |
-void CFX_PathData::Copy(const CFX_PathData &src) |
-{ |
- SetPointCount(src.m_PointCount); |
- FXSYS_memcpy(m_pPoints, src.m_pPoints, sizeof(FX_PATHPOINT) * m_PointCount); |
-} |
-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); |
- FXSYS_memcpy(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); |
+ } |
+ 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; |
+} |
+void CFX_PathData::Copy(const CFX_PathData& src) { |
+ SetPointCount(src.m_PointCount); |
+ FXSYS_memcpy(m_pPoints, src.m_pPoints, sizeof(FX_PATHPOINT) * m_PointCount); |
+} |
+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); |
+ FXSYS_memcpy(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); |
} |