/*\r
- * Evaluation graph\r
+ * wevalgraph.c - Evaluation graph front-end part\r
*\r
* Author: Alessandro Scotti (Dec 2005)\r
*\r
+ * Copyright 2005 Alessandro Scotti\r
+ *\r
+ * Enhancements Copyright 2009, 2010, 2011, 2012, 2013, 2014, 2015,\r
+ * 2016 Free Software Foundation, Inc.\r
+ *\r
* ------------------------------------------------------------------------\r
- * This program is free software; you can redistribute it and/or modify\r
+ *\r
+ * GNU XBoard is free software: you can redistribute it and/or modify\r
* it under the terms of the GNU General Public License as published by\r
- * the Free Software Foundation; either version 2 of the License, or\r
- * (at your option) any later version.\r
+ * the Free Software Foundation, either version 3 of the License, or (at\r
+ * your option) any later version.\r
*\r
- * This program is distributed in the hope that it will be useful,\r
- * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\r
- * GNU General Public License for more details.\r
+ * GNU XBoard is distributed in the hope that it will be useful, but\r
+ * WITHOUT ANY WARRANTY; without even the implied warranty of\r
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\r
+ * General Public License for more details.\r
*\r
* You should have received a copy of the GNU General Public License\r
- * along with this program; if not, write to the Free Software\r
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.\r
- * ------------------------------------------------------------------------\r
- */\r
+ * along with this program. If not, see http://www.gnu.org/licenses/. *\r
+ *\r
+ *------------------------------------------------------------------------\r
+ ** See the file ChangeLog for a revision history. */\r
+\r
+// code refactored by HGM to obtain front-end / back-end separation\r
+\r
#include "config.h"\r
\r
-#include <windows.h> /* required for all Windows applications */\r
-#include <richedit.h>\r
-#include <stdio.h>\r
-#include <stdlib.h>\r
-#include <malloc.h>\r
+#include <windows.h>\r
#include <commdlg.h>\r
#include <dlgs.h>\r
+#include <stdio.h>\r
\r
#include "common.h"\r
-#include "winboard.h"\r
#include "frontend.h"\r
#include "backend.h"\r
-\r
+#include "winboard.h"\r
+#include "evalgraph.h"\r
#include "wsnap.h"\r
\r
-VOID EvalGraphSet( int first, int last, int current, ChessProgramStats_Move * pvInfo );\r
-VOID EvalGraphPopUp();\r
-VOID EvalGraphPopDown();\r
-BOOL EvalGraphIsUp();\r
-\r
#define WM_REFRESH_GRAPH (WM_USER + 1)\r
\r
-/* Imports from backend.c */\r
-char * SavePart(char *str);\r
-\r
-/* Imports from winboard.c */\r
-extern HWND evalGraphDialog;\r
-extern BOOLEAN evalGraphDialogUp;\r
-\r
-extern HINSTANCE hInst;\r
-extern HWND hwndMain;\r
-\r
-extern WindowPlacement wpEvalGraph;\r
-\r
/* Module globals */\r
-static ChessProgramStats_Move * currPvInfo;\r
-static int currFirst = 0;\r
-static int currLast = 0;\r
-static int currCurrent = -1;\r
+static BOOLEAN evalGraphDialogUp;\r
\r
static COLORREF crWhite = RGB( 0xFF, 0xFF, 0xB0 );\r
static COLORREF crBlack = RGB( 0xAD, 0x5D, 0x3D );\r
\r
static HDC hdcPB = NULL;\r
static HBITMAP hbmPB = NULL;\r
-static int nWidthPB = 0;\r
-static int nHeightPB = 0;\r
-static HPEN hpenDotted = NULL;\r
-static HPEN hpenBlueDotted = NULL;\r
-static HPEN hpenBold[2] = { NULL, NULL };\r
-static HBRUSH hbrHist[2] = { NULL, NULL };\r
-\r
-static int MarginX = 18;\r
-static int MarginW = 4;\r
-static int MarginH = 4;\r
-\r
-#define MIN_HIST_WIDTH 4\r
-#define MAX_HIST_WIDTH 10\r
-\r
-static int GetPvScore( int index )\r
-{\r
- int score = currPvInfo[ index ].score;\r
-\r
- if( index & 1 ) score = -score; /* Flip score for black */\r
-\r
- return score;\r
-}\r
-\r
-static VOID DrawLine( int x1, int y1, int x2, int y2 )\r
-{\r
- MoveToEx( hdcPB, x1, y1, NULL );\r
-\r
- LineTo( hdcPB, x2, y2 );\r
-}\r
-\r
-static VOID DrawLineEx( int x1, int y1, int x2, int y2 )\r
-{\r
- POINT stPT;\r
-\r
- MoveToEx( hdcPB, x1, y1, &stPT );\r
-\r
- LineTo( hdcPB, x2, y2 );\r
-\r
- MoveToEx( hdcPB, stPT.x, stPT.y, NULL );\r
-}\r
-\r
-static HBRUSH CreateBrush( UINT style, COLORREF color )\r
-{\r
- LOGBRUSH stLB;\r
-\r
- stLB.lbStyle = style;\r
- stLB.lbColor = color;\r
- stLB.lbHatch = 0;\r
+static HPEN pens[PEN_ANY+1]; // [HGM] put all pens in one array\r
+static HBRUSH hbrHist[3] = { NULL, NULL, NULL };\r
\r
- return CreateBrushIndirect( &stLB );\r
-}\r
-\r
-/*\r
- For a centipawn value, this function returns the height of the corresponding\r
- histogram, centered on the reference axis.\r
-\r
- Note: height can be negative!\r
-*/\r
-static int GetValueY( int value )\r
+Boolean EvalGraphIsUp()\r
{\r
- if( value < -700 ) value = -700;\r
- if( value > +700 ) value = +700;\r
-\r
- return (nHeightPB / 2) - (int)(value * (nHeightPB - 2*MarginH) / 1400.0);\r
+ return evalGraphDialogUp;\r
}\r
\r
-static VOID DrawAxisSegmentHoriz( int value, BOOL drawValue )\r
+// [HGM] front-end, added as wrapper to avoid use of LineTo and MoveToEx in other routines (so they can be back-end) \r
+void DrawSegment( int x, int y, int *lastX, int *lastY, int penType )\r
{\r
- int y = GetValueY( value*100 );\r
-\r
- SelectObject( hdcPB, GetStockObject(BLACK_PEN) );\r
- DrawLine( MarginX, y, MarginX + MarginW, y );\r
- SelectObject( hdcPB, hpenDotted );\r
- DrawLine( MarginX + MarginW, y, nWidthPB - MarginW, y );\r
-\r
- if( drawValue ) {\r
- SIZE stSize;\r
- char buf[8];\r
- int cbBuf;\r
-\r
- if( value > 0 ) {\r
- buf[0] = '+';\r
- itoa( value, buf+1, 10 );\r
- }\r
- else {\r
- itoa( value, buf, 10 );\r
- }\r
-\r
- cbBuf = strlen( buf );\r
-\r
- GetTextExtentPoint32( hdcPB, buf, cbBuf, &stSize );\r
-\r
- TextOut( hdcPB, MarginX - stSize.cx - 2, y - stSize.cy / 2, buf, cbBuf );\r
+ POINT stPt;\r
+ if(penType == PEN_NONE) MoveToEx( hdcPB, x, y, &stPt ); else {\r
+ HPEN hp = SelectObject( hdcPB, pens[penType] );\r
+ LineTo( hdcPB, x, y );\r
+ SelectObject( hdcPB, hp );\r
}\r
+ if(lastX != NULL) { *lastX = stPt.x; *lastY = stPt.y; }\r
}\r
\r
-static VOID DrawAxis()\r
-{\r
- int cy = nHeightPB / 2;\r
- \r
- SelectObject( hdcPB, GetStockObject(NULL_BRUSH) );\r
-\r
- SetBkMode( hdcPB, TRANSPARENT );\r
-\r
- DrawAxisSegmentHoriz( +5, TRUE );\r
- DrawAxisSegmentHoriz( +3, FALSE );\r
- DrawAxisSegmentHoriz( +1, FALSE );\r
- DrawAxisSegmentHoriz( 0, TRUE );\r
- DrawAxisSegmentHoriz( -1, FALSE );\r
- DrawAxisSegmentHoriz( -3, FALSE );\r
- DrawAxisSegmentHoriz( -5, TRUE );\r
-\r
- SelectObject( hdcPB, GetStockObject(BLACK_PEN) );\r
-\r
- DrawLine( MarginX + MarginW, cy, nWidthPB - MarginW, cy );\r
- DrawLine( MarginX + MarginW, MarginH, MarginX + MarginW, nHeightPB - MarginH );\r
-}\r
-\r
-static VOID DrawHistogram( int x, int y, int width, int value, int side )\r
+// front-end wrapper for drawing functions to do rectangles\r
+void DrawRectangle( int left, int top, int right, int bottom, int side, int style )\r
{\r
+ HPEN hp = SelectObject( hdcPB, pens[PEN_BLACK] );\r
RECT rc;\r
\r
- if( value > -25 && value < +25 ) return;\r
-\r
- rc.left = x;\r
- rc.right = rc.left + width + 1;\r
-\r
- if( value > 0 ) {\r
- rc.top = GetValueY( value );\r
- rc.bottom = y+1;\r
- }\r
- else {\r
- rc.top = y;\r
- rc.bottom = GetValueY( value ) + 1;\r
- }\r
-\r
-\r
- if( width == MIN_HIST_WIDTH ) {\r
- rc.right--;\r
+ rc.top = top; rc.left = left; rc.bottom = bottom; rc.right = right;\r
+ if(style == FILLED)\r
FillRect( hdcPB, &rc, hbrHist[side] );\r
- }\r
else {\r
SelectObject( hdcPB, hbrHist[side] );\r
- Rectangle( hdcPB, rc.left, rc.top, rc.right, rc.bottom );\r
- }\r
-}\r
-\r
-static VOID DrawSeparator( int index, int x )\r
-{\r
- if( index > 0 ) {\r
- if( index == currCurrent ) {\r
- HPEN hp = SelectObject( hdcPB, hpenBlueDotted );\r
- DrawLineEx( x, MarginH, x, nHeightPB - MarginH );\r
- SelectObject( hdcPB, hp );\r
- }\r
- else if( (index % 20) == 0 ) {\r
- HPEN hp = SelectObject( hdcPB, hpenDotted );\r
- DrawLineEx( x, MarginH, x, nHeightPB - MarginH );\r
- SelectObject( hdcPB, hp );\r
- }\r
- }\r
-}\r
-\r
-/* Actually draw histogram as a diagram, cause there's too much data */\r
-static VOID DrawHistogramAsDiagram( int cy, int paint_width, int hist_count )\r
-{\r
- double step;\r
- int i;\r
-\r
- /* Rescale the graph every few moves (as opposed to every move) */\r
- hist_count -= hist_count % 8;\r
- hist_count += 8;\r
- hist_count /= 2;\r
-\r
- step = (double) paint_width / (hist_count + 1);\r
-\r
- for( i=0; i<2; i++ ) {\r
- int index = currFirst;\r
- int side = (currCurrent + i + 1) & 1; /* Draw current side last */\r
- double x = MarginX + MarginW;\r
-\r
- if( (index & 1) != side ) {\r
- x += step / 2;\r
- index++;\r
- }\r
-\r
- SelectObject( hdcPB, hpenBold[side] );\r
-\r
- MoveToEx( hdcPB, (int) x, cy, NULL );\r
-\r
- index += 2;\r
-\r
- while( index < currLast ) {\r
- x += step;\r
-\r
- DrawSeparator( index, (int) x );\r
-\r
- /* Extend line up to current point */\r
- if( currPvInfo[index].depth > 0 ) {\r
- LineTo( hdcPB, (int) x, GetValueY( GetPvScore(index) ) );\r
- }\r
-\r
- index += 2;\r
- }\r
- }\r
-}\r
-\r
-static VOID DrawHistogramFull( int cy, int hist_width, int hist_count )\r
-{\r
- int i;\r
-\r
- SelectObject( hdcPB, GetStockObject(BLACK_PEN) );\r
-\r
- for( i=0; i<hist_count; i++ ) {\r
- int index = currFirst + i;\r
- int x = MarginX + MarginW + index * hist_width;\r
-\r
- /* Draw a separator every 10 moves */\r
- DrawSeparator( index, x );\r
-\r
- /* Draw histogram */\r
- if( currPvInfo[i].depth > 0 ) {\r
- DrawHistogram( x, cy, hist_width, GetPvScore(index), index & 1 );\r
- }\r
- }\r
-}\r
-\r
-typedef struct {\r
- int cy;\r
- int hist_width;\r
- int hist_count;\r
- int paint_width;\r
-} VisualizationData;\r
-\r
-static BOOL InitVisualization( VisualizationData * vd )\r
-{\r
- BOOL result = FALSE;\r
-\r
- vd->cy = nHeightPB / 2;\r
- vd->hist_width = MIN_HIST_WIDTH;\r
- vd->hist_count = currLast - currFirst;\r
- vd->paint_width = nWidthPB - MarginX - 2*MarginW;\r
-\r
- if( vd->hist_count > 0 ) {\r
- result = TRUE;\r
-\r
- /* Compute width */\r
- vd->hist_width = vd->paint_width / vd->hist_count;\r
-\r
- if( vd->hist_width > MAX_HIST_WIDTH ) vd->hist_width = MAX_HIST_WIDTH;\r
-\r
- vd->hist_width -= vd->hist_width % 2;\r
- }\r
-\r
- return result;\r
-}\r
-\r
-static VOID DrawHistograms()\r
-{\r
- VisualizationData vd;\r
-\r
- if( InitVisualization( &vd ) ) {\r
- if( vd.hist_width < MIN_HIST_WIDTH ) {\r
- DrawHistogramAsDiagram( vd.cy, vd.paint_width, vd.hist_count );\r
- }\r
- else {\r
- DrawHistogramFull( vd.cy, vd.hist_width, vd.hist_count );\r
- }\r
+ Rectangle( hdcPB, left, top, right, bottom );\r
}\r
+ SelectObject( hdcPB, hp );\r
}\r
\r
-static int GetMoveIndexFromPoint( int x, int y )\r
+// front-end wrapper for putting text in graph\r
+void DrawEvalText(char *buf, int cbBuf, int y)\r
{\r
- int result = -1;\r
- int start_x = MarginX + MarginW;\r
- VisualizationData vd;\r
-\r
- if( x >= start_x && InitVisualization( &vd ) ) {\r
- /* Almost an hack here... we duplicate some of the paint logic */\r
- if( vd.hist_width < MIN_HIST_WIDTH ) {\r
- double step;\r
-\r
- vd.hist_count -= vd.hist_count % 8;\r
- vd.hist_count += 8;\r
- vd.hist_count /= 2;\r
-\r
- step = (double) vd.paint_width / (vd.hist_count + 1);\r
- step /= 2;\r
-\r
- result = (int) (0.5 + (double) (x - start_x) / step);\r
- }\r
- else {\r
- result = (x - start_x) / vd.hist_width;\r
- }\r
- }\r
-\r
- if( result >= currLast ) {\r
- result = -1;\r
- }\r
-\r
- return result;\r
+ SIZE stSize;\r
+ SetBkMode( hdcPB, TRANSPARENT );\r
+ GetTextExtentPoint32( hdcPB, buf, cbBuf, &stSize );\r
+ TextOut( hdcPB, MarginX - stSize.cx - 2, y - stSize.cy / 2, buf, cbBuf );\r
}\r
\r
-static VOID DrawBackground()\r
+// front-end\r
+static HBRUSH CreateBrush( UINT style, COLORREF color )\r
{\r
- HBRUSH hbr;\r
- RECT rc;\r
-\r
- hbr = CreateBrush( BS_SOLID, GetSysColor( COLOR_3DFACE ) );\r
-\r
- rc.left = 0;\r
- rc.top = 0;\r
- rc.right = nWidthPB;\r
- rc.bottom = nHeightPB;\r
+ LOGBRUSH stLB;\r
\r
- FillRect( hdcPB, &rc, hbr );\r
+ stLB.lbStyle = style;\r
+ stLB.lbColor = color;\r
+ stLB.lbHatch = 0;\r
\r
- DeleteObject( hbr );\r
+ return CreateBrushIndirect( &stLB );\r
}\r
\r
-static VOID PaintEvalGraph( HWND hWnd, HDC hDC )\r
+// front-end. Create pens, device context and buffer bitmap for global use, copy result to display\r
+// The back-end part n the middle has been taken out and moed to PainEvalGraph()\r
+static VOID DisplayEvalGraph( HWND hWnd, HDC hDC )\r
{\r
RECT rcClient;\r
int width;\r
\r
/* Create or recreate paint box if needed */\r
if( hbmPB == NULL || width != nWidthPB || height != nHeightPB ) {\r
- if( hpenDotted == NULL ) {\r
- hpenDotted = CreatePen( PS_DOT, 0, RGB(0xA0,0xA0,0xA0) );\r
- hpenBlueDotted = CreatePen( PS_DOT, 0, RGB(0x00,0x00,0xFF) );\r
- hpenBold[0] = CreatePen( PS_SOLID, 2, crWhite );\r
- hpenBold[1] = CreatePen( PS_SOLID, 2, crBlack );\r
+ if( pens[PEN_DOTTED] == NULL ) {\r
+ pens[PEN_BLACK] = GetStockObject(BLACK_PEN);\r
+ pens[PEN_DOTTED] = CreatePen( PS_DOT, 0, RGB(0xA0,0xA0,0xA0) );\r
+ pens[PEN_BLUEDOTTED] = CreatePen( PS_DOT, 0, RGB(0x00,0x00,0xFF) );\r
+ pens[PEN_BOLDWHITE] = CreatePen( PS_SOLID, 2, crWhite );\r
+ pens[PEN_BOLDBLACK] = CreatePen( PS_SOLID, 2, crBlack );\r
hbrHist[0] = CreateBrush( BS_SOLID, crWhite );\r
hbrHist[1] = CreateBrush( BS_SOLID, crBlack );\r
+ hbrHist[2] = CreateBrush( BS_SOLID, GetSysColor( COLOR_3DFACE ) ); // background\r
}\r
\r
if( hdcPB != NULL ) {\r
SelectObject( hdcPB, hbmPB );\r
}\r
\r
- /* Draw */\r
- DrawBackground();\r
- DrawAxis();\r
- DrawHistograms();\r
+ // back-end painting; calls back front-end primitives for lines, rectangles and text\r
+ PaintEvalGraph();\r
+ SetWindowText(hWnd, MakeEvalTitle(differentialView ? T_("Blunder Graph") : T_("Evaluation Graph")));\r
\r
/* Copy bitmap into destination DC */\r
- BitBlt( hDC, 0, 0, width, height, hdcPB, 0, 0, SRCCOPY );\r
+ BitBlt( hDC, 0, 0, nWidthPB, nHeightPB, hdcPB, 0, 0, SRCCOPY );\r
}\r
\r
+// Note: Once the eval graph is opened, this window-proc lives forever; een closing the\r
+// eval-graph window merely hides it. On opening we re-initialize it, though, so it could\r
+// as well hae been destroyed. While it is open it processes the REFRESH_GRAPH commands.\r
LRESULT CALLBACK EvalGraphProc( HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam )\r
{\r
static SnapData sd;\r
\r
switch (message) {\r
case WM_INITDIALOG:\r
+ Translate(hDlg, DLG_EvalGraph);\r
if( evalGraphDialog == NULL ) {\r
evalGraphDialog = hDlg;\r
\r
\r
case WM_PAINT:\r
hDC = BeginPaint( hDlg, &stPS );\r
- PaintEvalGraph( hDlg, hDC );\r
+ DisplayEvalGraph( hDlg, hDC );\r
EndPaint( hDlg, &stPS );\r
break;\r
\r
+ case WM_MOUSEWHEEL:\r
+ if((short)HIWORD(wParam) < 0) appData.zoom++;\r
+ if((short)HIWORD(wParam) > 0 && appData.zoom > 1) appData.zoom--;\r
+ goto paint;\r
+ case WM_RBUTTONDOWN:\r
+ differentialView = !differentialView;\r
case WM_REFRESH_GRAPH:\r
+ paint:\r
hDC = GetDC( hDlg );\r
- PaintEvalGraph( hDlg, hDC );\r
+ DisplayEvalGraph( hDlg, hDC );\r
ReleaseDC( hDlg, hDC );\r
break;\r
\r
- case WM_LBUTTONDBLCLK:\r
+ case WM_LBUTTONDOWN:\r
if( wParam == 0 || wParam == MK_LBUTTON ) {\r
int index = GetMoveIndexFromPoint( LOWORD(lParam), HIWORD(lParam) );\r
\r
break;\r
\r
/* Support for captionless window */\r
-#if 0\r
- case WM_NCLBUTTONDBLCLK:\r
- if( wParam == HTCAPTION ) {\r
- int index;\r
- POINT mouse_xy;\r
- POINTS pts = MAKEPOINTS(lParam);\r
-\r
- mouse_xy.x = pts.x;\r
- mouse_xy.y = pts.y;\r
- ScreenToClient( hDlg, &mouse_xy );\r
-\r
- index = GetMoveIndexFromPoint( mouse_xy.x, mouse_xy.y );\r
-\r
- if( index >= 0 && index < currLast ) {\r
- ToNrEvent( index + 1 );\r
- }\r
- }\r
- break;\r
-\r
- case WM_NCHITTEST:\r
- {\r
- LRESULT res = DefWindowProc( hDlg, message, wParam, lParam );\r
-\r
- if( res == HTCLIENT ) res = HTCAPTION;\r
-\r
- SetWindowLong( hDlg, DWL_MSGRESULT, res );\r
-\r
- return TRUE;\r
- }\r
- break;\r
-#endif\r
-\r
case WM_CLOSE:\r
EvalGraphPopDown();\r
break;\r
return FALSE;\r
}\r
\r
+// creates the eval graph, or unhides it.\r
VOID EvalGraphPopUp()\r
{\r
FARPROC lpProc;\r
evalGraphDialogUp = TRUE;\r
}\r
\r
+// Note that this hides the window. It could as well have destroyed it.\r
VOID EvalGraphPopDown()\r
{\r
CheckMenuItem(GetMenu(hwndMain), IDM_ShowEvalGraph, MF_UNCHECKED);\r
evalGraphDialogUp = FALSE;\r
}\r
\r
+// This function is the interface to the back-end. It is currently called through the front-end,\r
+// though, where it shares the HistorySet() wrapper with MoveHistorySet(). Once all front-ends\r
+// support the eval graph, it would be more logical to call it directly from the back-end.\r
VOID EvalGraphSet( int first, int last, int current, ChessProgramStats_Move * pvInfo )\r
{\r
/* [AS] Danger! For now we rely on the pvInfo parameter being a static variable! */\r
SendMessage( evalGraphDialog, WM_REFRESH_GRAPH, 0, 0 );\r
}\r
}\r
-\r
-BOOL EvalGraphIsUp()\r
-{\r
- return evalGraphDialogUp;\r
-}\r
projects / xboard.git / blobdiff