src/TortoiseProc/RevisionGraph/RevisionGraphDlgDraw.cpp

   1 // TortoiseGit - a Windows shell extension for easy version control
   2
   3 // Copyright (C) 2003-2011 - TortoiseSVN
   4 // Copyright (C) 2012-2013 - TortoiseGit
   5
   6 // This program is free software; you can redistribute it and/or
   7 // modify it under the terms of the GNU General Public License
   8 // as published by the Free Software Foundation; either version 2
   9 // of the License, or (at your option) any later version.
  10
  11 // This program is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15
  16 // You should have received a copy of the GNU General Public License
  17 // along with this program; if not, write to the Free Software Foundation,
  18 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19 //
  20 #include "stdafx.h"
  21 #include "TortoiseProc.h"
  22 #include "MyMemDC.h"
  23 #include "Revisiongraphdlg.h"
  24 #include "MessageBox.h"
  25 #include "Git.h"
  26 #include "TempFile.h"
  27 #include "UnicodeUtils.h"
  28 #include "TGitPath.h"
  29 //#include "SVNInfo.h"
  30 //#include "SVNDiff.h"
  31 #include ".\revisiongraphwnd.h"
  32 //#include "IRevisionGraphLayout.h"
  33 //#include "UpsideDownLayout.h"
  34 //#include "ShowTreeStripes.h"
  35 #include "registry.h"
  36 #include "UnicodeUtils.h"
  37
  38 #ifdef _DEBUG
  39 #define new DEBUG_NEW
  40 #undef THIS_FILE
  41 static char THIS_FILE[] = __FILE__;
  42 #endif
  43
  44 using namespace Gdiplus;
  45 using namespace ogdf;
  46
  47 /************************************************************************/
  48 /* Graphing functions                                                                                                   */
  49 /************************************************************************/
  50 CFont* CRevisionGraphWnd::GetFont(BOOL bItalic /*= FALSE*/, BOOL bBold /*= FALSE*/)
  51 {
  52         int nIndex = 0;
  53         if (bBold)
  54                 nIndex |= 1;
  55         if (bItalic)
  56                 nIndex |= 2;
  57         if (m_apFonts[nIndex] == NULL)
  58         {
  59                 m_apFonts[nIndex] = new CFont;
  60                 m_lfBaseFont.lfWeight = bBold ? FW_BOLD : FW_NORMAL;
  61                 m_lfBaseFont.lfItalic = (BYTE) bItalic;
  62                 m_lfBaseFont.lfStrikeOut = (BYTE) FALSE;
  63                 CDC * pDC = GetDC();
  64                 m_lfBaseFont.lfHeight = -MulDiv(m_nFontSize, GetDeviceCaps(pDC->m_hDC, LOGPIXELSY), 72);
  65                 ReleaseDC(pDC);
  66                 // use the empty font name, so GDI takes the first font which matches
  67                 // the specs. Maybe this will help render chinese/japanese chars correctly.
  68                 _tcsncpy_s(m_lfBaseFont.lfFaceName, _T("MS Shell Dlg 2"), 32);
  69                 if (!m_apFonts[nIndex]->CreateFontIndirect(&m_lfBaseFont))
  70                 {
  71                         delete m_apFonts[nIndex];
  72                         m_apFonts[nIndex] = NULL;
  73                         return CWnd::GetFont();
  74                 }
  75         }
  76         return m_apFonts[nIndex];
  77 }
  78
  79 BOOL CRevisionGraphWnd::OnEraseBkgnd(CDC* /*pDC*/)
  80 {
  81         return TRUE;
  82 }
  83
  84 void CRevisionGraphWnd::OnPaint()
  85 {
  86
  87         CPaintDC dc(this); // device context for painting
  88         CRect rect = GetClientRect();
  89
  90         if (IsUpdateJobRunning())
  91         {
  92                 CString fetch = CString(MAKEINTRESOURCE(IDS_PROC_LOADING));
  93                 dc.FillSolidRect(rect, ::GetSysColor(COLOR_APPWORKSPACE));
  94                 dc.ExtTextOut(20,20,ETO_CLIPPED,NULL,fetch,NULL);
  95                 CWnd::OnPaint();
  96                 return;
  97
  98         }else if (this->m_Graph.empty())
  99         {
 100                 CString sNoGraphText;
 101                 sNoGraphText.LoadString(IDS_REVGRAPH_ERR_NOGRAPH);
 102                 dc.FillSolidRect(rect, RGB(255,255,255));
 103                 dc.ExtTextOut(20,20,ETO_CLIPPED,NULL,sNoGraphText,NULL);
 104                 return;
 105         }
 106
 107         GraphicsDevice dev;
 108         dev.pDC = &dc;
 109         DrawGraph(dev, rect, GetScrollPos(SB_VERT), GetScrollPos(SB_HORZ), false);
 110
 111 }
 112
 113 void CRevisionGraphWnd::ClearVisibleGlyphs (const CRect& /*rect*/)
 114 {
 115 #if 0
 116         float glyphSize = GLYPH_SIZE * m_fZoomFactor;
 117
 118         CSyncPointer<CRevisionGraphState::TVisibleGlyphs>
 119                 visibleGlyphs (m_state.GetVisibleGlyphs());
 120
 121         for (size_t i = visibleGlyphs->size(), count = i; i > 0; --i)
 122         {
 123                 const PointF& leftTop = (*visibleGlyphs)[i-1].leftTop;
 124                 CRect glyphRect ( static_cast<int>(leftTop.X)
 125                                                 , static_cast<int>(leftTop.Y)
 126                                                 , static_cast<int>(leftTop.X + glyphSize)
 127                                                 , static_cast<int>(leftTop.Y + glyphSize));
 128
 129                 if (CRect().IntersectRect (glyphRect, rect))
 130                 {
 131                         (*visibleGlyphs)[i-1] = (*visibleGlyphs)[--count];
 132                         visibleGlyphs->pop_back();
 133                 }
 134         }
 135 #endif
 136 }
 137
 138 void CRevisionGraphWnd::CutawayPoints (const RectF& rect, float cutLen, TCutRectangle& result)
 139 {
 140         result[0] = PointF (rect.X, rect.Y + cutLen);
 141         result[1] = PointF (rect.X + cutLen, rect.Y);
 142         result[2] = PointF (rect.GetRight() - cutLen, rect.Y);
 143         result[3] = PointF (rect.GetRight(), rect.Y + cutLen);
 144         result[4] = PointF (rect.GetRight(), rect.GetBottom() - cutLen);
 145         result[5] = PointF (rect.GetRight() - cutLen, rect.GetBottom());
 146         result[6] = PointF (rect.X + cutLen, rect.GetBottom());
 147         result[7] = PointF (rect.X, rect.GetBottom() - cutLen);
 148 }
 149
 150 void CRevisionGraphWnd::DrawRoundedRect (GraphicsDevice& graphics, const Color& penColor, int penWidth, const Pen* pen, const Color& fillColor, const Brush* brush, const RectF& rect, int mask)
 151 {
 152
 153         enum {POINT_COUNT = 8};
 154
 155         float radius = CORNER_SIZE * m_fZoomFactor;
 156         PointF points[POINT_COUNT];
 157         CutawayPoints (rect, radius, points);
 158
 159         if (graphics.graphics)
 160         {
 161                 GraphicsPath path;
 162
 163                 if(mask & ROUND_UP)
 164                 {
 165                         path.AddArc (points[0].X, points[1].Y, radius, radius, 180, 90);
 166                         path.AddArc (points[2].X, points[2].Y, radius, radius, 270, 90);
 167                 }else
 168                 {
 169                         path.AddLine(points[0].X, points[1].Y, points[3].X, points[2].Y);
 170                 }
 171
 172                 if(mask & ROUND_DOWN)
 173                 {
 174                         path.AddArc (points[5].X, points[4].Y, radius, radius, 0, 90);
 175                         path.AddArc (points[7].X, points[7].Y, radius, radius, 90, 90);
 176                 }else
 177                 {
 178                         path.AddLine(points[3].X, points[3].Y, points[4].X, points[5].Y);
 179                         path.AddLine(points[4].X, points[5].Y, points[7].X, points[6].Y);
 180                 }
 181
 182                 points[0].Y -= radius / 2;
 183                 path.AddLine (points[7], points[0]);
 184
 185                 if (brush != NULL)
 186                 {
 187                         graphics.graphics->FillPath (brush, &path);
 188                 }
 189                 if (pen != NULL)
 190                         graphics.graphics->DrawPath (pen, &path);
 191         }
 192         else if (graphics.pSVG)
 193         {
 194                 graphics.pSVG->RoundedRectangle((int)rect.X, (int)rect.Y, (int)rect.Width, (int)rect.Height, penColor, penWidth, fillColor, (int)radius, mask);
 195         }
 196
 197 }
 198
 199 void CRevisionGraphWnd::DrawOctangle (GraphicsDevice& graphics, const Color& penColor, int penWidth, const Pen* pen, const Color& fillColor, const Brush* brush, const RectF& rect)
 200 {
 201         enum {POINT_COUNT = 8};
 202
 203         // show left & right edges of low boxes as "<===>"
 204
 205         float minCutAway = min (CORNER_SIZE * m_fZoomFactor, rect.Height / 2);
 206
 207         // larger boxes: remove 25% of the shorter side
 208
 209         float suggestedCutAway = min (rect.Height, rect.Width) / 4;
 210
 211         // use the more visible one of the former two
 212
 213         PointF points[POINT_COUNT];
 214         CutawayPoints (rect, max (minCutAway, suggestedCutAway), points);
 215
 216         // now, draw it
 217
 218         if (graphics.graphics)
 219         {
 220                 if (brush != NULL)
 221                         graphics.graphics->FillPolygon (brush, points, POINT_COUNT);
 222                 if (pen != NULL)
 223                         graphics.graphics->DrawPolygon (pen, points, POINT_COUNT);
 224         }
 225         else if (graphics.pSVG)
 226         {
 227                 graphics.pSVG->Polygon(points, POINT_COUNT, penColor, penWidth, fillColor);
 228         }
 229 }
 230
 231
 232
 233 void CRevisionGraphWnd::DrawShape (GraphicsDevice& graphics, const Color& penColor, int penWidth, const Pen* pen, const Color& fillColor, const Brush* brush, const RectF& rect, NodeShape shape)
 234 {
 235         switch( shape )
 236         {
 237         case TSVNRectangle:
 238                 if (graphics.graphics)
 239                 {
 240                         if (brush != NULL)
 241                                 graphics.graphics->FillRectangle (brush, rect);
 242                         if (pen != NULL)
 243                                 graphics.graphics->DrawRectangle (pen, rect);
 244                 }
 245                 else if (graphics.pSVG)
 246                 {
 247                         graphics.pSVG->RoundedRectangle((int)rect.X, (int)rect.Y, (int)rect.Width, (int)rect.Height, penColor, penWidth, fillColor);
 248                 }
 249                 break;
 250         case TSVNRoundRect:
 251                 DrawRoundedRect (graphics, penColor, penWidth, pen, fillColor, brush, rect);
 252                 break;
 253         case TSVNOctangle:
 254                 DrawOctangle (graphics, penColor, penWidth, pen, fillColor, brush, rect);
 255                 break;
 256         case TSVNEllipse:
 257                 if (graphics.graphics)
 258                 {
 259                         if (brush != NULL)
 260                                 graphics.graphics->FillEllipse (brush, rect);
 261                         if (pen != NULL)
 262                                 graphics.graphics->DrawEllipse(pen, rect);
 263                 }
 264                 else if (graphics.pSVG)
 265                         graphics.pSVG->Ellipse((int)rect.X, (int)rect.Y, (int)rect.Width, (int)rect.Height, penColor, penWidth, fillColor);
 266                 break;
 267         default:
 268                 ASSERT(FALSE);  //unknown type
 269                 return;
 270         }
 271 }
 272
 273
 274 inline BYTE LimitedScaleColor (BYTE c1, BYTE c2, float factor)
 275 {
 276         BYTE scaled = c2 + (BYTE)((c1-c2)*factor);
 277         return c1 < c2
 278                 ? max (c1, scaled)
 279                 : min (c1, scaled);
 280 }
 281
 282 Color LimitedScaleColor (const Color& c1, const Color& c2, float factor)
 283 {
 284         return Color ( LimitedScaleColor (c1.GetA(), c2.GetA(), factor)
 285                                 , LimitedScaleColor (c1.GetR(), c2.GetR(), factor)
 286                                 , LimitedScaleColor (c1.GetG(), c2.GetG(), factor)
 287                                 , LimitedScaleColor (c1.GetB(), c2.GetB(), factor));
 288 }
 289
 290 inline BYTE Darken (BYTE c)
 291 {
 292         return c < 0xc0
 293                 ? (c / 3) * 2
 294                 : BYTE(int(2*c) - 0x100);
 295 }
 296
 297 Color Darken (const Color& c)
 298 {
 299         return Color ( 0xff
 300                                 , Darken (c.GetR())
 301                                 , Darken (c.GetG())
 302                                 , Darken (c.GetB()));
 303 }
 304
 305 BYTE MaxComponentDiff (const Color& c1, const Color& c2)
 306 {
 307         int rDiff = abs ((int)c1.GetR() - (int)c2.GetR());
 308         int gDiff = abs ((int)c1.GetG() - (int)c2.GetG());
 309         int bDiff = abs ((int)c1.GetB() - (int)c2.GetB());
 310
 311         return (BYTE) max (max (rDiff, gDiff), bDiff);
 312 }
 313
 314 #if 0
 315 void CRevisionGraphWnd::DrawShadow (GraphicsDevice& graphics, const RectF& rect,
 316                                                                         Color shadowColor, NodeShape shape)
 317 {
 318         // draw the shadow
 319
 320         RectF shadow = rect;
 321         shadow.Offset (2, 2);
 322
 323         Pen pen (shadowColor);
 324         SolidBrush brush (shadowColor);
 325
 326         DrawShape (graphics, shadowColor, 1, &pen, shadowColor, &brush, shadow, shape);
 327 }
 328 #endif
 329
 330 RectF CRevisionGraphWnd::TransformRectToScreen (const CRect& rect, const CSize& offset) const
 331 {
 332         PointF leftTop ( rect.left * m_fZoomFactor
 333                                         , rect.top * m_fZoomFactor);
 334         return RectF ( leftTop.X - offset.cx
 335                                 , leftTop.Y - offset.cy
 336                                 , rect.right * m_fZoomFactor - leftTop.X - 1
 337                                 , rect.bottom * m_fZoomFactor - leftTop.Y);
 338 }
 339
 340
 341 RectF CRevisionGraphWnd::GetNodeRect (const node& node, const CSize& offset) const
 342 {
 343         // get node and position
 344
 345         CRect rect;
 346         rect.left = (int) (this->m_GraphAttr.x(node) -  m_GraphAttr.width(node)/2);
 347         rect.top = (int) (this->m_GraphAttr.y(node) - m_GraphAttr.height(node)/2);
 348         rect.bottom = (int)( rect.top+ m_GraphAttr.height(node));
 349         rect.right = (int)(rect.left + m_GraphAttr.width(node));
 350
 351         RectF noderect (TransformRectToScreen (rect, offset));
 352
 353         // show two separate lines for touching nodes,
 354         // unless the scale is too small
 355
 356         if (noderect.Height > 15.0f)
 357                 noderect.Height -= 1.0f;
 358
 359         // done
 360
 361         return noderect;
 362 }
 363
 364
 365 #if 0
 366 RectF CRev
 367 isionGraphWnd::GetBranchCover
 368         ( const ILayoutNodeList* nodeList
 369         , index_t nodeIndex
 370         , bool upward
 371         , const CSize& offset)
 372 {
 373         // construct a rect that covers the respective branch
 374
 375         CRect cover (0, 0, 0, 0);
 376         while (nodeIndex != NO_INDEX)
 377         {
 378                 ILayoutNodeList::SNode node = nodeList->GetNode (nodeIndex);
 379                 cover |= node.rect;
 380
 381                 const CVisibleGraphNode* nextNode = upward
 382                         ? node.node->GetPrevious()
 383                         : node.node->GetNext();
 384
 385                 nodeIndex = nextNode == NULL ? NO_INDEX : nextNode->GetIndex();
 386         }
 387
 388         // expand it just a little to make it look nicer
 389
 390         cover.InflateRect (10, 2, 10, 2);
 391
 392         // and now, transfrom it
 393
 394         return TransformRectToScreen (cover, offset);
 395 }
 396 #endif
 397
 398 #if 0
 399 void CRevisionGraphWnd::DrawShadows (GraphicsDevice& graphics, const CRect& logRect, const CSize& offset)
 400 {
 401   // shadow color to use
 402
 403         Color background;
 404         background.SetFromCOLORREF (GetSysColor(COLOR_WINDOW));
 405         Color textColor;
 406         textColor.SetFromCOLORREF (GetSysColor(COLOR_WINDOWTEXT));
 407
 408         Color shadowColor = LimitedScaleColor (background, ARGB (Color::Black), 0.5f);
 409
 410         // iterate over all visible nodes
 411
 412         CSyncPointer<const ILayoutNodeList> nodes (m_state.GetNodes());
 413         for ( index_t index = nodes->GetFirstVisible (logRect)
 414                 ; index != NO_INDEX
 415                 ; index = nodes->GetNextVisible (index, logRect))
 416         {
 417                 // get node and position
 418
 419                 ILayoutNodeList::SNode node = nodes->GetNode (index);
 420                 RectF noderect (GetNodeRect (node, offset));
 421
 422                 // actual drawing
 423
 424                 switch (node.style)
 425                 {
 426                 case ILayoutNodeList::SNode::STYLE_DELETED:
 427                 case ILayoutNodeList::SNode::STYLE_RENAMED:
 428                         DrawShadow (graphics, noderect, shadowColor, TSVNOctangle);
 429                         break;
 430                 case ILayoutNodeList::SNode::STYLE_ADDED:
 431                         DrawShadow(graphics, noderect, shadowColor, TSVNRoundRect);
 432                         break;
 433                 case ILayoutNodeList::SNode::STYLE_LAST:
 434                         DrawShadow(graphics, noderect, shadowColor, TSVNEllipse);
 435                         break;
 436                 default:
 437                         DrawShadow(graphics, noderect, shadowColor, TSVNRectangle);
 438                         break;
 439                 }
 440         }
 441
 442 }
 443 #endif
 444
 445
 446 void CRevisionGraphWnd::DrawSquare
 447         ( GraphicsDevice& graphics
 448         , const PointF& leftTop
 449         , const Color& lightColor
 450         , const Color& darkColor
 451         , const Color& penColor)
 452 {
 453         float squareSize = MARKER_SIZE * m_fZoomFactor;
 454
 455         PointF leftBottom (leftTop.X, leftTop.Y + squareSize);
 456         RectF square (leftTop, SizeF (squareSize, squareSize));
 457
 458         if (graphics.graphics)
 459         {
 460                 LinearGradientBrush lgBrush (leftTop, leftBottom, lightColor, darkColor);
 461                 graphics.graphics->FillRectangle (&lgBrush, square);
 462                 if (squareSize > 4.0f)
 463                 {
 464                         Pen pen (penColor);
 465                         graphics.graphics->DrawRectangle (&pen, square);
 466                 }
 467         }
 468         else if (graphics.pSVG)
 469         {
 470                 graphics.pSVG->GradientRectangle((int)square.X, (int)square.Y, (int)square.Width, (int)square.Height,
 471                                                                                 lightColor, darkColor, penColor);
 472         }
 473 }
 474
 475 #if 0
 476 void CRevisionGraphWnd::DrawGlyph
 477         ( GraphicsDevice& graphics
 478         , Image* glyphs
 479         , const PointF& leftTop
 480         , GlyphType glyph
 481         , GlyphPosition position)
 482 {
 483         // special case
 484
 485         if (glyph == NoGlyph)
 486                 return;
 487
 488         // bitmap source area
 489
 490         REAL x = ((REAL)position + (REAL)glyph) * GLYPH_BITMAP_SIZE;
 491
 492         // screen target area
 493
 494         float glyphSize = GLYPH_SIZE * m_fZoomFactor;
 495         RectF target (leftTop, SizeF (glyphSize, glyphSize));
 496
 497         // scaled copy
 498
 499         if (graphics.graphics)
 500         {
 501                 graphics.graphics->DrawImage ( glyphs
 502                         , target
 503                         , x, 0.0f, GLYPH_BITMAP_SIZE, GLYPH_BITMAP_SIZE
 504                         , UnitPixel, NULL, NULL, NULL);
 505         }
 506         else if (graphics.pSVG)
 507         {
 508                 // instead of inserting a bitmap, draw a
 509                 // round rectangle instead.
 510                 // Embedding images would blow up the resulting
 511                 // svg file a lot, and the round rectangle
 512                 // is enough IMHO.
 513                 // Note:
 514                 // images could be embedded like this:
 515                 // <image y="100" x="100" id="imgId1234" xlink:href="data:image/png;base64,...base64endodeddata..." height="16" width="16" />
 516
 517                 graphics.pSVG->RoundedRectangle((int)target.X, (int)target.Y, (int)target.Width, (int)target.Height,
 518                                                                                 Color(0,0,0), 2, Color(255,255,255), (int)(target.Width/3.0));
 519         }
 520 }
 521 #endif
 522
 523 #if 0
 524 void CRevisionGraphWnd::DrawGlyphs
 525         ( GraphicsDevice& graphics
 526         , Image* glyphs
 527         , const CVisibleGraphNode* node
 528         , const PointF& center
 529         , GlyphType glyph1
 530         , GlyphType glyph2
 531         , GlyphPosition position
 532         , DWORD state1
 533         , DWORD state2
 534         , bool showAll)
 535 {
 536         // don't show collapse and cut glyths by default
 537
 538         if (!showAll && ((glyph1 == CollapseGlyph) || (glyph1 == SplitGlyph)))
 539                 glyph1 = NoGlyph;
 540         if (!showAll && ((glyph2 == CollapseGlyph) || (glyph2 == SplitGlyph)))
 541                 glyph2 = NoGlyph;
 542
 543         // glyth2 shall be set only if 2 glyphs are in use
 544
 545         if (glyph1 == NoGlyph)
 546         {
 547                 std::swap (glyph1, glyph2);
 548                 std::swap (state1, state2);
 549         }
 550
 551         // anything to do?
 552
 553         if (glyph1 == NoGlyph)
 554                 return;
 555
 556         // 1 or 2 glyphs?
 557
 558         CSyncPointer<CRevisionGraphState::TVisibleGlyphs>
 559                 visibleGlyphs (m_state.GetVisibleGlyphs());
 560
 561         float squareSize = GLYPH_SIZE * m_fZoomFactor;
 562         if (glyph2 == NoGlyph)
 563         {
 564                 PointF leftTop (center.X - 0.5f * squareSize, center.Y - 0.5f * squareSize);
 565                 DrawGlyph (graphics, glyphs, leftTop, glyph1, position);
 566                 visibleGlyphs->push_back
 567                         (CRevisionGraphState::SVisibleGlyph (state1, leftTop, node));
 568         }
 569         else
 570         {
 571                 PointF leftTop1 (center.X - squareSize, center.Y - 0.5f * squareSize);
 572                 DrawGlyph (graphics, glyphs, leftTop1, glyph1, position);
 573                 visibleGlyphs->push_back
 574                         (CRevisionGraphState::SVisibleGlyph (state1, leftTop1, node));
 575
 576                 PointF leftTop2 (center.X, center.Y - 0.5f * squareSize);
 577                 DrawGlyph (graphics, glyphs, leftTop2, glyph2, position);
 578                 visibleGlyphs->push_back
 579                         (CRevisionGraphState::SVisibleGlyph (state2, leftTop2, node));
 580         }
 581
 582 }
 583 #endif
 584
 585 #if 0
 586 void CRevisionGraphWnd::DrawGlyphs
 587         ( GraphicsDevice& graphics
 588         , Image* glyphs
 589         , const CVisibleGraphNode* node
 590         , const RectF& nodeRect
 591         , DWORD state
 592         , DWORD allowed
 593         , bool upsideDown)
 594 {
 595         // shortcut
 596
 597         if ((state == 0) && (allowed == 0))
 598                 return;
 599
 600         // draw all glyphs
 601
 602         PointF topCenter (0.5f * nodeRect.GetLeft() + 0.5f * nodeRect.GetRight(), nodeRect.GetTop());
 603         PointF rightCenter (nodeRect.GetRight(), 0.5f * nodeRect.GetTop() + 0.5f * nodeRect.GetBottom());
 604         PointF bottomCenter (0.5f * nodeRect.GetLeft() + 0.5f * nodeRect.GetRight(), nodeRect.GetBottom());
 605
 606         DrawGlyphs ( graphics
 607                                 , glyphs
 608                                 , node
 609                                 , upsideDown ? bottomCenter : topCenter
 610                                 , (state & CGraphNodeStates::COLLAPSED_ABOVE) ? ExpandGlyph : CollapseGlyph
 611                                 , (state & CGraphNodeStates::SPLIT_ABOVE) ? JoinGlyph : SplitGlyph
 612                                 , upsideDown ? Below : Above
 613                                 , CGraphNodeStates::COLLAPSED_ABOVE
 614                                 , CGraphNodeStates::SPLIT_ABOVE
 615                                 , (allowed & CGraphNodeStates::COLLAPSED_ABOVE) != 0);
 616
 617         DrawGlyphs ( graphics
 618                                 , glyphs
 619                                 , node
 620                                 , rightCenter
 621                                 , (state & CGraphNodeStates::COLLAPSED_RIGHT) ? ExpandGlyph : CollapseGlyph
 622                                 , (state & CGraphNodeStates::SPLIT_RIGHT) ? JoinGlyph : SplitGlyph
 623                                 , Right
 624                                 , CGraphNodeStates::COLLAPSED_RIGHT
 625                                 , CGraphNodeStates::SPLIT_RIGHT
 626                                 , (allowed & CGraphNodeStates::COLLAPSED_RIGHT) != 0);
 627
 628         DrawGlyphs ( graphics
 629                                 , glyphs
 630                                 , node
 631                                 , upsideDown ? topCenter : bottomCenter
 632                                 , (state & CGraphNodeStates::COLLAPSED_BELOW) ? ExpandGlyph : CollapseGlyph
 633                                 , (state & CGraphNodeStates::SPLIT_BELOW) ? JoinGlyph : SplitGlyph
 634                                 , upsideDown ? Above : Below
 635                                 , CGraphNodeStates::COLLAPSED_BELOW
 636                                 , CGraphNodeStates::SPLIT_BELOW
 637                                 , (allowed & CGraphNodeStates::COLLAPSED_BELOW) != 0);
 638
 639 }
 640 #endif
 641
 642 #if 0
 643 void CRevisionGraphWnd::IndicateGlyphDirection
 644         ( GraphicsDevice& graphics
 645         , const ILayoutNodeList* nodeList
 646         , const ILayoutNodeList::SNode& node
 647         , const RectF& nodeRect
 648         , DWORD glyphs
 649         , bool upsideDown
 650         , const CSize& offset)
 651 {
 652         // shortcut
 653
 654         if (glyphs == 0)
 655                 return;
 656
 657         // where to place the indication?
 658
 659         bool indicateAbove = (glyphs & CGraphNodeStates::COLLAPSED_ABOVE) != 0;
 660         bool indicateRight = (glyphs & CGraphNodeStates::COLLAPSED_RIGHT) != 0;
 661         bool indicateBelow = (glyphs & CGraphNodeStates::COLLAPSED_BELOW) != 0;
 662
 663         // fill indication area a semi-transparent blend of red
 664         // and the background color
 665
 666         Color color;
 667         color.SetFromCOLORREF (GetSysColor(COLOR_WINDOW));
 668         color.SetValue ((color.GetValue() & 0x807f7f7f) + 0x800000);
 669
 670         SolidBrush brush (color);
 671
 672         // draw the indication (only one condition should match)
 673
 674         RectF glyphCenter = indicateAbove ^ upsideDown
 675                 ? RectF (nodeRect.X, nodeRect.Y - 1.0f, 0.0f, 0.0f)
 676                 : RectF (nodeRect.X, nodeRect.GetBottom() - 1.0f, 0.0f, 0.0f);
 677
 678         if (indicateAbove)
 679         {
 680                 const CVisibleGraphNode* firstAffected = node.node->GetSource();
 681
 682                 assert (firstAffected);
 683                 RectF branchCover
 684                         = GetBranchCover (nodeList, firstAffected->GetIndex(), true, offset);
 685                 RectF::Union (branchCover, branchCover, glyphCenter);
 686
 687                 if (graphics.graphics)
 688                         graphics.graphics->FillRectangle (&brush, branchCover);
 689                 else if (graphics.pSVG)
 690                         graphics.pSVG->RoundedRectangle((int)branchCover.X, (int)branchCover.Y, (int)branchCover.Width, (int)branchCover.Height,
 691                                                                                         color, 1, color);
 692         }
 693
 694         if (indicateRight)
 695         {
 696                 for ( const CVisibleGraphNode::CCopyTarget* branch
 697                                 = node.node->GetFirstCopyTarget()
 698                         ; branch != NULL
 699                         ; branch = branch->next())
 700                 {
 701                         RectF branchCover
 702                                 = GetBranchCover (nodeList, branch->value()->GetIndex(), false, offset);
 703                         if (graphics.graphics)
 704                                 graphics.graphics->FillRectangle (&brush, branchCover);
 705                         else if (graphics.pSVG)
 706                                 graphics.pSVG->RoundedRectangle((int)branchCover.X, (int)branchCover.Y, (int)branchCover.Width, (int)branchCover.Height,
 707                                                                                                 color, 1, color);
 708                 }
 709         }
 710
 711         if (indicateBelow)
 712         {
 713                 const CVisibleGraphNode* firstAffected
 714                         = node.node->GetNext();
 715
 716                 RectF branchCover
 717                         = GetBranchCover (nodeList, firstAffected->GetIndex(), false, offset);
 718                 RectF::Union (branchCover, branchCover, glyphCenter);
 719
 720                 if (graphics.graphics)
 721                         graphics.graphics->FillRectangle (&brush, branchCover);
 722                 else if (graphics.pSVG)
 723                         graphics.pSVG->RoundedRectangle((int)branchCover.X, (int)branchCover.Y, (int)branchCover.Width, (int)branchCover.Height,
 724                                                                                         color, 1, color);
 725         }
 726 }
 727
 728 #endif
 729
 730 void CRevisionGraphWnd::DrawMarker
 731         ( GraphicsDevice& graphics
 732         , const RectF& noderect
 733         , MarkerPosition /*position*/
 734         , int /*relPosition*/
 735         , const Color& penColor
 736         , int num)
 737 {
 738         REAL width = 4*this->m_fZoomFactor<1? 1: 4*this->m_fZoomFactor;
 739         Pen pen(penColor,width);
 740         DrawRoundedRect(graphics, penColor, (int)width, &pen, Color(0,0,0), NULL, noderect);
 741         if (num == 1)
 742         {
 743                 // Roman number 1
 744                 REAL x = max(1, 10 * this->m_fZoomFactor);
 745                 REAL y1 = max(1, 25 * this->m_fZoomFactor);
 746                 REAL y2 = max(1, 5 * this->m_fZoomFactor);
 747                 if(graphics.graphics)
 748                         graphics.graphics->DrawLine(&pen, noderect.X + x, noderect.Y - y1, noderect.X + x, noderect.Y - y2);
 749         }
 750         else if (num == 2)
 751         {
 752                 // Roman number 2
 753                 REAL x1 = max(1, 5 * this->m_fZoomFactor);
 754                 REAL x2 = max(1, 15 * this->m_fZoomFactor);
 755                 REAL y1 = max(1, 25 * this->m_fZoomFactor);
 756                 REAL y2 = max(1, 5 * this->m_fZoomFactor);
 757                 if(graphics.graphics)
 758                 {
 759                         graphics.graphics->DrawLine(&pen, noderect.X + x1, noderect.Y - y1, noderect.X + x1, noderect.Y - y2);
 760                         graphics.graphics->DrawLine(&pen, noderect.X + x2, noderect.Y - y1, noderect.X + x2, noderect.Y - y2);
 761                 }
 762         }
 763 }
 764
 765 #if 0
 766 void CRevisionGraphWnd::DrawStripes (GraphicsDevice& graphics, const CSize& offset)
 767 {
 768         // we need to fill this visible area of the the screen
 769         // (even if there is graph in that part)
 770
 771         RectF clipRect;
 772         if (graphics.graphics)
 773                 graphics.graphics->GetVisibleClipBounds (&clipRect);
 774
 775         // don't show stripes if we don't have multiple roots
 776
 777         CSyncPointer<const ILayoutRectList> trees (m_state.GetTrees());
 778         if (trees->GetCount() < 2)
 779                 return;
 780
 781         // iterate over all trees
 782
 783         for ( index_t i = 0, count = trees->GetCount(); i < count; ++i)
 784         {
 785                 // screen coordinates covered by the tree
 786
 787                 CRect tree = trees->GetRect(i);
 788                 REAL left = tree.left * m_fZoomFactor;
 789                 REAL right = tree.right * m_fZoomFactor;
 790                 RectF rect ( left - offset.cx
 791                                         , clipRect.Y
 792                                         , i+1 == count ? clipRect.Width : right - left
 793                                         , clipRect.Height);
 794
 795                 // relevant?
 796
 797                 if (rect.IntersectsWith (clipRect))
 798                 {
 799                         // draw the background stripe
 800
 801                         Color color (  (i & 1) == 0
 802                                                 ? m_Colors.GetColor (CColors::gdpStripeColor1)
 803                                                 : m_Colors.GetColor (CColors::gdpStripeColor2));
 804                         if (graphics.graphics)
 805                         {
 806                                 SolidBrush brush (color);
 807                                 graphics.graphics->FillRectangle (&brush, rect);
 808                         }
 809                         else if (graphics.pSVG)
 810                                 graphics.pSVG->RoundedRectangle((int)rect.X, (int)rect.Y, (int)rect.Width, (int)rect.Height,
 811                                                                                                 color, 1, color);
 812                 }
 813         }
 814 }
 815 #endif
 816
 817 PointF CRevisionGraphWnd::cutPoint(node v,double lw,PointF ps, PointF pt)
 818 {
 819         double x = m_GraphAttr.x(v);
 820         double y = m_GraphAttr.y(v);
 821         double xmin = x - this->m_GraphAttr.width(v)/2 - lw/2;
 822         double xmax = x + this->m_GraphAttr.width(v)/2 + lw/2;
 823         double ymin = y - this->m_GraphAttr.height(v)/2 - lw/2;
 824         double ymax = y + this->m_GraphAttr.height(v)/2 + lw/2;;
 825
 826         double dx = pt.X - ps.X;
 827         double dy = pt.Y - ps.Y;
 828
 829         if(dy != 0) {
 830                 // below
 831                 if(pt.Y > ymax) {
 832                         double t = (ymax-ps.Y) / dy;
 833                         double x = ps.X + t*dx;
 834
 835                         if(xmin <= x && x <= xmax)
 836                                 return PointF((REAL)x, (REAL)ymax);
 837
 838                 // above
 839                 } else if(pt.Y < ymin) {
 840                         double t = (ymin-ps.Y) / dy;
 841                         double x = ps.X + t*dx;
 842
 843                         if(xmin <= x && x <= xmax)
 844                                 return PointF((REAL)x, (REAL)ymin);
 845
 846                 }
 847         }
 848
 849         if(dx != 0) {
 850                 // right
 851                 if(pt.X > xmax) {
 852                         double t = (xmax-ps.X) / dx;
 853                         double y = ps.Y + t*dy;
 854
 855                         if(ymin <= y && y <= ymax)
 856                                 return PointF((REAL)xmax, (REAL)y);
 857
 858                 // left
 859                 } else if(pt.X < xmin) {
 860                         double t = (xmin-ps.X) / dx;
 861                         double y = ps.Y + t*dy;
 862
 863                         if(ymin <= y && y <= ymax)
 864                                 return PointF((REAL)xmin, (REAL)y);
 865
 866                 }
 867         }
 868
 869         return pt;
 870
 871 }
 872
 873 void CRevisionGraphWnd::DrawConnections (GraphicsDevice& graphics, const CRect& /*logRect*/, const CSize& offset)
 874 {
 875
 876         CArray<PointF> points;
 877         CArray<CPoint> pts;
 878
 879         if(graphics.graphics)
 880                 graphics.graphics->SetSmoothingMode(Gdiplus::SmoothingModeAntiAlias);
 881
 882         float penwidth = 2*m_fZoomFactor<1? 1:2*m_fZoomFactor;
 883         Gdiplus::Pen pen(Color(0,0,0),penwidth);
 884
 885         // iterate over all visible lines
 886         edge e;
 887         forall_edges(e, m_Graph)
 888         {
 889                 // get connection and point position
 890                 const DPolyline &dpl = this->m_GraphAttr.bends(e);
 891
 892                 points.RemoveAll();
 893                 pts.RemoveAll();
 894
 895                 PointF pt;
 896                 pt.X = (REAL)m_GraphAttr.x(e->source());
 897                 pt.Y = (REAL)m_GraphAttr.y(e->source());
 898
 899                 points.Add(pt);
 900
 901                 ListConstIterator<DPoint> it;
 902                 for(it = dpl.begin(); it.valid(); ++it)
 903                 {
 904                         pt.X =  (REAL)(*it).m_x;
 905                         pt.Y =  (REAL)(*it).m_y;
 906                         points.Add(pt);
 907                 }
 908
 909                 pt.X = (REAL)m_GraphAttr.x(e->target());
 910                 pt.Y = (REAL)m_GraphAttr.y(e->target());
 911
 912                 points.Add(pt);
 913
 914                 points[0] = this->cutPoint(e->source(), 1, points[0], points[1]);
 915                 points[points.GetCount()-1] =  this->cutPoint(e->target(), 1, points[points.GetCount()-1], points[points.GetCount()-2]);
 916                 // draw the connection
 917
 918                 for(int i=0; i < points.GetCount(); i++)
 919                 {
 920                         //CPoint pt;
 921                         points[i].X = points[i].X * this->m_fZoomFactor - offset.cx;
 922                         points[i].Y = points[i].Y * this->m_fZoomFactor - offset.cy;
 923                         //pts.Add(pt);
 924                 }
 925
 926                 if (graphics.graphics)
 927                 {
 928                         graphics.graphics->DrawLines(&pen, points.GetData(), (INT)points.GetCount());
 929
 930                 }
 931                 else if (graphics.pSVG)
 932                 {
 933                         Color color;
 934                         color.SetFromCOLORREF(GetSysColor(COLOR_WINDOWTEXT));
 935                         graphics.pSVG->Polyline(points.GetData(), (int)points.GetCount(), Color(0,0,0), (int)penwidth);
 936                 }
 937
 938                 //draw arrow
 939                 double dx = points[1].X - points[0].X;
 940                 double dy = points[1].Y - points[0].Y;
 941
 942                 double len = sqrt(dx*dx + dy*dy);
 943                 dx = m_ArrowSize * m_fZoomFactor *dx /len;
 944                 dy = m_ArrowSize * m_fZoomFactor *dy /len;
 945
 946                 double p1_x, p1_y, p2_x, p2_y;
 947                 p1_x = dx * m_ArrowCos - dy * m_ArrowSin;
 948                 p1_y = dx * m_ArrowSin + dy * m_ArrowCos;
 949
 950                 p2_x = dx * m_ArrowCos + dy * m_ArrowSin;
 951                 p2_y = -dx * m_ArrowSin + dy * m_ArrowCos;
 952
 953                 //graphics.graphics->DrawLine(&pen, points[0].X,points[0].Y, points[0].X +p1_x,points[0].Y+p1_y);
 954                 //graphics.graphics->DrawLine(&pen, points[0].X,points[0].Y, points[0].X +p2_x,points[0].Y+p2_y);
 955                 GraphicsPath path;
 956
 957                 PointF arrows[5];
 958                 arrows[0].X =  points[0].X;
 959                 arrows[0].Y =  points[0].Y;
 960
 961                 arrows[1].X =  points[0].X + (REAL)p1_x;
 962                 arrows[1].Y =  points[0].Y + (REAL)p1_y;
 963
 964                 arrows[2].X =  points[0].X + (REAL)dx*3/5;
 965                 arrows[2].Y =  points[0].Y + (REAL)dy*3/5;
 966
 967                 arrows[3].X =  points[0].X + (REAL)p2_x;
 968                 arrows[3].Y =  points[0].Y + (REAL)p2_y;
 969
 970                 arrows[4].X =  points[0].X;
 971                 arrows[4].Y =  points[0].Y;
 972
 973                 path.AddLines(arrows, 5);
 974                 path.SetFillMode(FillModeAlternate);
 975                 if(graphics.graphics)
 976                 {
 977                         graphics.graphics->DrawPath(&pen, &path);
 978                 }else if(graphics.pSVG)
 979                 {
 980                         graphics.pSVG->DrawPath(arrows, 5, Color(0,0,0), (int)penwidth, Color(0,0,0));
 981                 }
 982         }
 983 }
 984
 985
 986
 987 void CRevisionGraphWnd::DrawTexts (GraphicsDevice& graphics, const CRect& /*logRect*/, const CSize& offset)
 988 {
 989         //COLORREF standardTextColor = GetSysColor(COLOR_WINDOWTEXT);
 990         if (m_nFontSize <= 0)
 991                 return;
 992
 993         // iterate over all visible nodes
 994
 995         if (graphics.pDC)
 996                 graphics.pDC->SetTextAlign (TA_CENTER | TA_TOP);
 997
 998
 999         CString fontname = CRegString(_T("Software\\TortoiseGit\\LogFontName"), _T("Courier New"));
1000
1001         Gdiplus::Font font(fontname.GetBuffer(),(REAL)m_nFontSize,FontStyleRegular);
1002         SolidBrush blackbrush(Color::Black);
1003
1004         node v;
1005         forall_nodes(v,m_Graph)
1006         {
1007                 // get node and position
1008
1009                 String label=this->m_GraphAttr.labelNode(v);
1010
1011                 RectF noderect (GetNodeRect (v, offset));
1012
1013                 // draw the revision text
1014                 CGitHash hash = this->m_logEntries[v->index()];
1015                 double hight = noderect.Height / (m_HashMap[hash].size()?m_HashMap[hash].size():1);
1016
1017                 if(m_HashMap.find(hash) == m_HashMap.end() || m_HashMap[hash].size() == 0)
1018                 {
1019                         Color background;
1020                         background.SetFromCOLORREF (GetSysColor(COLOR_WINDOW));
1021                         Gdiplus::Pen pen(background,1.0F);
1022                         Color brightColor = LimitedScaleColor (background, RGB(255,0,0), 0.9f);
1023                         Gdiplus::SolidBrush brush(brightColor);
1024
1025                         DrawRoundedRect(graphics, background,1, &pen, brightColor, &brush, noderect);
1026
1027                         if(graphics.graphics)
1028                         {
1029                                 graphics.graphics->DrawString(hash.ToString().Left(g_Git.GetShortHASHLength()),-1,
1030                                         &font,
1031                                         Gdiplus::PointF(noderect.X + this->GetLeftRightMargin()*this->m_fZoomFactor,noderect.Y+this->GetTopBottomMargin()*m_fZoomFactor),
1032                                         &blackbrush);
1033                         }
1034                         if(graphics.pSVG)
1035                         {
1036                                 graphics.pSVG->Text((int)(noderect.X + this->GetLeftRightMargin() * this->m_fZoomFactor),
1037                                                                                         (int)(noderect.Y + this->GetTopBottomMargin() * m_fZoomFactor + m_nFontSize),
1038                                                                                         CUnicodeUtils::GetUTF8(fontname), m_nFontSize, false, false, Color::Black,
1039                                                                                         CUnicodeUtils::GetUTF8(hash.ToString().Left(g_Git.GetShortHASHLength())));
1040                         }
1041
1042
1043                 }else
1044                 {
1045                         for(int i=0; i < m_HashMap[hash].size(); i++)
1046                         {
1047                                 CString shortname;
1048                                 CString str = m_HashMap[hash][i];
1049                                 RectF rect;
1050
1051                                 rect.X = (REAL)noderect.X;
1052                                 rect.Y = (REAL)(noderect.Y + hight*i);
1053                                 rect.Width = (REAL)noderect.Width;
1054                                 rect.Height = (REAL)hight;
1055
1056                                 COLORREF colRef = 0;
1057
1058
1059                                 if(CGit::GetShortName(str,shortname,_T("refs/heads/")))
1060                                 {
1061                                         if( shortname == m_CurrentBranch )
1062                                                 colRef = m_Colors.GetColor(CColors::CurrentBranch);
1063                                         else
1064                                                 colRef = m_Colors.GetColor(CColors::LocalBranch);
1065
1066                                 }
1067                                 else if(CGit::GetShortName(str,shortname,_T("refs/remotes/")))
1068                                 {
1069                                         colRef = m_Colors.GetColor(CColors::RemoteBranch);
1070                                 }
1071                                 else if(CGit::GetShortName(str,shortname,_T("refs/tags/")))
1072                                 {
1073                                         colRef = m_Colors.GetColor(CColors::Tag);
1074                                 }
1075                                 else if(CGit::GetShortName(str,shortname,_T("refs/stash")))
1076                                 {
1077                                         colRef = m_Colors.GetColor(CColors::Stash);
1078                                         shortname=_T("stash");
1079                                 }
1080                                 else if(CGit::GetShortName(str,shortname,_T("refs/bisect/")))
1081                                 {
1082                                         if(shortname.Find(_T("good")) == 0)
1083                                         {
1084                                                 colRef = m_Colors.GetColor(CColors::BisectGood);
1085                                                 shortname = _T("good");
1086                                         }
1087
1088                                         if(shortname.Find(_T("bad")) == 0)
1089                                         {
1090                                                 colRef = m_Colors.GetColor(CColors::BisectBad);
1091                                                 shortname = _T("bad");
1092                                         }
1093                                 }else if(CGit::GetShortName(str,shortname,_T("refs/notes/")))
1094                                 {
1095                                         colRef = m_Colors.GetColor(CColors::NoteNode);
1096                                 }
1097
1098                                 Gdiplus::Color color(GetRValue(colRef), GetGValue(colRef), GetBValue(colRef));
1099                                 Gdiplus::Pen pen(color);
1100                                 Gdiplus::SolidBrush brush(color);
1101
1102                                 int mask =0;
1103                                 mask |= (i==0)? ROUND_UP:0;
1104                                 mask |= (i== m_HashMap[hash].size()-1)? ROUND_DOWN:0;
1105                                 this->DrawRoundedRect(graphics, color,1,&pen, color,&brush, rect,mask);
1106
1107                                 if (graphics.graphics)
1108                                 {
1109
1110                                         //graphics.graphics->FillRectangle(&SolidBrush(Gdiplus::Color(GetRValue(colRef), GetGValue(colRef), GetBValue(colRef))),
1111                                         //              rect);
1112
1113                                         graphics.graphics->DrawString(shortname.GetBuffer(),shortname.GetLength(),
1114                                                 &font,
1115                                                 Gdiplus::PointF((REAL)(noderect.X + this->GetLeftRightMargin()*m_fZoomFactor),
1116                                                                                 (REAL)(noderect.Y + this->GetTopBottomMargin()*m_fZoomFactor+ hight*i)),
1117                                                 &blackbrush);
1118
1119                                         //graphics.graphics->DrawString(shortname.GetBuffer(), shortname.GetLength(), ::new Gdiplus::Font(graphics.pDC->m_hDC), PointF(noderect.X, noderect.Y + hight *i),NULL, NULL);
1120
1121                                 }
1122                                 else if (graphics.pSVG)
1123                                 {
1124
1125                                         graphics.pSVG->Text((int)(noderect.X + this->GetLeftRightMargin() * m_fZoomFactor),
1126                                                                                 (int)(noderect.Y + this->GetTopBottomMargin() * m_fZoomFactor + hight * i + m_nFontSize),
1127                                                                                 CUnicodeUtils::GetUTF8(fontname), m_nFontSize,
1128                                                                                 false, false, Color::Black, CUnicodeUtils::GetUTF8(shortname));
1129
1130                                 }
1131                         }
1132                 }
1133                 if ((m_SelectedEntry1 == v))
1134                         DrawMarker(graphics, noderect, mpLeft, 0, Color(0,0, 255), 1);
1135
1136                 if ((m_SelectedEntry2 == v))
1137                         DrawMarker(graphics, noderect, mpLeft, 0, Color(136,0, 21), 2);
1138
1139         }
1140 }
1141
1142
1143 #if 0
1144 void CRevisionGraphWnd::DrawCurrentNodeGlyphs (GraphicsDevice& graphics, Image* glyphs, const CSize& offset)
1145 {
1146
1147         CSyncPointer<const ILayoutNodeList> nodeList (m_state.GetNodes());
1148         bool upsideDown
1149                 = m_state.GetOptions()->GetOption<CUpsideDownLayout>()->IsActive();
1150
1151         // don't draw glyphs if we are outside the client area
1152         // (e.g. within a scrollbar)
1153
1154         CPoint point;
1155         GetCursorPos (&point);
1156         ScreenToClient (&point);
1157         if (!GetClientRect().PtInRect (point))
1158                 return;
1159
1160         // expansion glypths etc.
1161
1162         m_hoverIndex = GetHitNode (point);
1163         m_hoverGlyphs = GetHoverGlyphs (point);
1164
1165         if ((m_hoverIndex != NO_INDEX) || (m_hoverGlyphs != 0))
1166         {
1167                 index_t nodeIndex = m_hoverIndex == NO_INDEX
1168                                                         ? GetHitNode (point, CSize (GLYPH_SIZE, GLYPH_SIZE / 2))
1169                                                         : m_hoverIndex;
1170
1171                 if (nodeIndex >= nodeList->GetCount())
1172                         return;
1173
1174                 ILayoutNodeList::SNode node = nodeList->GetNode (nodeIndex);
1175                 RectF noderect (GetNodeRect (node, offset));
1176
1177                 DWORD flags = m_state.GetNodeStates()->GetFlags (node.node);
1178
1179                 IndicateGlyphDirection (graphics, nodeList.get(), node, noderect, m_hoverGlyphs, upsideDown, offset);
1180                 DrawGlyphs (graphics, glyphs, node.node, noderect, flags, m_hoverGlyphs, upsideDown);
1181         }
1182
1183 }
1184 #endif
1185
1186 void CRevisionGraphWnd::DrawGraph(GraphicsDevice& graphics, const CRect& rect, int nVScrollPos, int nHScrollPos, bool bDirectDraw)
1187 {
1188         CMemDC* memDC = NULL;
1189         if (graphics.pDC)
1190         {
1191                 if (!bDirectDraw)
1192                 {
1193                         memDC = new CMemDC (*graphics.pDC, rect);
1194                         graphics.pDC = &memDC->GetDC();
1195                 }
1196
1197                 graphics.pDC->FillSolidRect(rect, GetSysColor(COLOR_WINDOW));
1198                 graphics.pDC->SetBkMode(TRANSPARENT);
1199         }
1200
1201         // preparation & sync
1202
1203         //CSyncPointer<CAllRevisionGraphOptions> options (m_state.GetOptions());
1204         ClearVisibleGlyphs (rect);
1205
1206         // transform visible
1207
1208         CSize offset (nHScrollPos, nVScrollPos);
1209         CRect logRect ( (int)(offset.cx / m_fZoomFactor)-1
1210                                         , (int)(offset.cy / m_fZoomFactor)-1
1211                                         , (int)((rect.Width() + offset.cx) / m_fZoomFactor) + 1
1212                                         , (int)((rect.Height() + offset.cy) / m_fZoomFactor) + 1);
1213
1214         // draw the different components
1215
1216         if (graphics.pDC)
1217         {
1218                 Graphics* gcs = Graphics::FromHDC(*graphics.pDC);
1219                 graphics.graphics = gcs;
1220                 gcs->SetPageUnit (UnitPixel);
1221                 gcs->SetInterpolationMode (InterpolationModeHighQualityBicubic);
1222                 gcs->SetSmoothingMode(SmoothingModeAntiAlias);
1223                 gcs->SetClip(RectF(Gdiplus::REAL(rect.left), Gdiplus::REAL(rect.top), Gdiplus::REAL(rect.Width()), Gdiplus::REAL(rect.Height())));
1224         }
1225
1226 //      if (options->GetOption<CShowTreeStripes>()->IsActive())
1227 //              DrawStripes (graphics, offset);
1228
1229         //if (m_fZoomFactor > SHADOW_ZOOM_THRESHOLD)
1230         //      DrawShadows (graphics, logRect, offset);
1231
1232         Bitmap glyphs (AfxGetInstanceHandle(), MAKEINTRESOURCE(IDR_REVGRAPHGLYPHS));
1233
1234         DrawTexts (graphics, logRect, offset);
1235         DrawConnections (graphics, logRect, offset);
1236         //if (m_showHoverGlyphs)
1237         //      DrawCurrentNodeGlyphs (graphics, &glyphs, offset);
1238
1239         // draw preview
1240
1241         if ((!bDirectDraw)&&(m_Preview.GetSafeHandle())&&(m_bShowOverview)&&(graphics.pDC))
1242         {
1243                 // draw the overview image rectangle in the top right corner
1244                 CMyMemDC memDC2(graphics.pDC, true);
1245                 memDC2.SetWindowOrg(0, 0);
1246                 HBITMAP oldhbm = (HBITMAP)memDC2.SelectObject(&m_Preview);
1247                 graphics.pDC->BitBlt(rect.Width()-m_previewWidth, rect.Height() -  m_previewHeight, m_previewWidth, m_previewHeight,
1248                         &memDC2, 0, 0, SRCCOPY);
1249                 memDC2.SelectObject(oldhbm);
1250                 // draw the border for the overview rectangle
1251                 m_OverviewRect.left = rect.Width()-m_previewWidth;
1252                 m_OverviewRect.top = rect.Height()-  m_previewHeight;
1253                 m_OverviewRect.right = rect.Width();
1254                 m_OverviewRect.bottom = rect.Height();
1255                 graphics.pDC->DrawEdge(&m_OverviewRect, EDGE_BUMP, BF_RECT);
1256                 // now draw a rectangle where the current view is located in the overview
1257
1258                 CRect viewRect = GetViewRect();
1259                 LONG width = (long)(rect.Width() * m_previewZoom / m_fZoomFactor);
1260                 LONG height = (long)(rect.Height() * m_previewZoom / m_fZoomFactor);
1261                 LONG xpos = (long)(nHScrollPos * m_previewZoom / m_fZoomFactor);
1262                 LONG ypos = (long)(nVScrollPos * m_previewZoom / m_fZoomFactor);
1263                 RECT tempRect;
1264                 tempRect.left = rect.Width()-m_previewWidth+xpos;
1265                 tempRect.top = rect.Height() - m_previewHeight + ypos;
1266                 tempRect.right = tempRect.left + width;
1267                 tempRect.bottom = tempRect.top + height;
1268                 // make sure the position rect is not bigger than the preview window itself
1269                 ::IntersectRect(&m_OverviewPosRect, &m_OverviewRect, &tempRect);
1270
1271                 RectF rect2 ( (float)m_OverviewPosRect.left, (float)m_OverviewPosRect.top
1272                                         , (float)m_OverviewPosRect.Width(), (float)m_OverviewPosRect.Height());
1273                 if (graphics.graphics)
1274                 {
1275                         SolidBrush brush (Color (64, 0, 0, 0));
1276                         graphics.graphics->FillRectangle (&brush, rect2);
1277                         graphics.pDC->DrawEdge(&m_OverviewPosRect, EDGE_BUMP, BF_RECT);
1278                 }
1279         }
1280
1281         // flush changes to screen
1282
1283         delete graphics.graphics;
1284         delete memDC;
1285 }
1286
1287 void CRevisionGraphWnd::SetNodeRect(GraphicsDevice& graphics, ogdf::node *pnode, CGitHash rev, int mode )
1288 {
1289         //multi - line mode. One RefName is one new line
1290         CString fontname = CRegString(_T("Software\\TortoiseGit\\LogFontName"), _T("Courier New"));
1291         if(mode == 0)
1292         {
1293                 if(this->m_HashMap.find(rev) == m_HashMap.end())
1294                 {
1295                         CString shorthash = rev.ToString().Left(g_Git.GetShortHASHLength());
1296                         RectF rect;
1297                         if(graphics.graphics)
1298                         {
1299                                 //GetTextExtentPoint32(graphics.pDC->m_hDC, shorthash.GetBuffer(), shorthash.GetLength(), &size);
1300                                 Gdiplus::Font font(fontname.GetBuffer(), (REAL)m_nFontSize, FontStyleRegular);
1301                                 graphics.graphics->MeasureString(shorthash.GetBuffer(), shorthash.GetLength(),
1302                                                                                 &font,
1303                                                                                 Gdiplus::PointF(0,0), &rect);
1304
1305                         }
1306                         m_GraphAttr.width(*pnode) = this->GetLeftRightMargin()*2 + rect.Width;
1307                         m_GraphAttr.height(*pnode) = this->GetTopBottomMargin()*2 + rect.Height;
1308                 }
1309                 else
1310                 {
1311                         double xmax=0;
1312                         double ymax=0;
1313                         int lines =0;
1314                         for(int i=0;i<m_HashMap[rev].size();i++)
1315                         {
1316                                 RectF rect;
1317                                 CString shortref = m_HashMap[rev][i];
1318                                 shortref = CGit::GetShortName(shortref,NULL);
1319                                 if(graphics.pDC)
1320                                 {
1321                                         Gdiplus::Font font(fontname.GetBuffer(), (REAL)m_nFontSize, FontStyleRegular);
1322                                         graphics.graphics->MeasureString(shortref.GetBuffer(), shortref.GetLength(),
1323                                                                                 &font,
1324                                                                                 Gdiplus::PointF(0,0), &rect);
1325                                         if(rect.Width > xmax)
1326                                                 xmax = rect.Width;
1327                                         if(rect.Height > ymax)
1328                                                 ymax = rect.Height;
1329                                 }
1330                                 lines ++;
1331                         }
1332                         m_GraphAttr.width(*pnode) = this->GetLeftRightMargin()*2 + xmax;
1333                         m_GraphAttr.height(*pnode) = (this->GetTopBottomMargin()*2 + ymax) * lines;
1334                 }
1335
1336         }
1337 }