X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/338dd992160bf20205743c092b353d96ef7604fb..54921697ae6cb35c5865620dce494227b0df5e02:/src/motif/dcclient.cpp diff --git a/src/motif/dcclient.cpp b/src/motif/dcclient.cpp index eb820900e7..2af3787acc 100644 --- a/src/motif/dcclient.cpp +++ b/src/motif/dcclient.cpp @@ -58,6 +58,10 @@ #include "wx/motif/private.h" +#ifdef __EMX__ + #include // for M_PI +#endif // __EMX__ + #include "bdiag.xbm" #include "fdiag.xbm" #include "cdiag.xbm" @@ -71,8 +75,6 @@ static Pixmap bdiag, cdiag, fdiag, cross, horiz, verti; // constants // ---------------------------------------------------------------------------- -#define RAD2DEG 57.2957795131 - // Fudge factor (VZ: what??) #define WX_GC_CF 1 @@ -80,11 +82,9 @@ static Pixmap bdiag, cdiag, fdiag, cross, horiz, verti; // macros // ---------------------------------------------------------------------------- -#if !USE_SHARED_LIBRARY IMPLEMENT_DYNAMIC_CLASS(wxClientDC, wxWindowDC) IMPLEMENT_DYNAMIC_CLASS(wxPaintDC, wxWindowDC) IMPLEMENT_DYNAMIC_CLASS(wxWindowDC, wxDC) -#endif // ---------------------------------------------------------------------------- // prototypes @@ -102,6 +102,25 @@ static void XCopyRemote(Display *src_display, Display *dest_display, // implementation // ============================================================================ +/* + * compare two doubles and return the larger rounded + * to the nearest int + */ +static int roundmax(double a, double b) +{ + return (int)((a > b ? a : b) + 0.5); +} + +/* + * compare two doubles and return the smaller rounded + * to the nearest int + */ +static int roundmin(double a, double b) +{ + return (int)((a < b ? a : b) - 0.5); +} + + // ---------------------------------------------------------------------------- // wxWindowDC // ---------------------------------------------------------------------------- @@ -115,7 +134,7 @@ wxWindowDC::wxWindowDC() m_currentPenWidth = 1; m_currentPenJoin = -1; m_currentPenDashCount = -1; - m_currentPenDash = (char*) NULL; + m_currentPenDash = (wxMOTIFDash*) NULL; m_currentStyle = -1; m_currentFill = -1; // m_currentBkMode = wxTRANSPARENT; @@ -140,7 +159,7 @@ wxWindowDC::wxWindowDC( wxWindow *window ) m_currentPenWidth = 1; m_currentPenJoin = -1; m_currentPenDashCount = -1; - m_currentPenDash = (char*) NULL; + m_currentPenDash = (wxMOTIFDash*) NULL; m_currentStyle = -1; m_currentFill = -1; // m_currentBkMode = wxTRANSPARENT; @@ -160,16 +179,17 @@ wxWindowDC::wxWindowDC( wxWindow *window ) gcvalues.foreground = BlackPixel (display, DefaultScreen (display)); gcvalues.background = WhitePixel (display, DefaultScreen (display)); gcvalues.graphics_exposures = False; + gcvalues.subwindow_mode = IncludeInferiors; gcvalues.line_width = 1; m_gc = (WXGC) XCreateGC (display, RootWindow (display, DefaultScreen (display)), - GCForeground | GCBackground | GCGraphicsExposures | GCLineWidth, + GCForeground | GCBackground | GCGraphicsExposures | GCLineWidth | GCSubwindowMode, &gcvalues); if (m_window->GetBackingPixmap()) { m_gcBacking = (WXGC) XCreateGC (display, RootWindow (display, DefaultScreen (display)), - GCForeground | GCBackground | GCGraphicsExposures | GCLineWidth, + GCForeground | GCBackground | GCGraphicsExposures | GCLineWidth | GCSubwindowMode, &gcvalues); } @@ -216,11 +236,18 @@ void wxWindowDC::DoFloodFill( wxCoord WXUNUSED(x1), wxCoord WXUNUSED(y1), wxFAIL_MSG("not implemented"); } -bool wxWindowDC::DoGetPixel( wxCoord WXUNUSED(x1), wxCoord WXUNUSED(y1), wxColour *WXUNUSED(col) ) const +bool wxWindowDC::DoGetPixel( wxCoord x1, wxCoord y1, wxColour *col ) const { - wxFAIL_MSG("not implemented"); - - return FALSE; + // Generic (and therefore rather inefficient) method. + // Could be improved. + wxMemoryDC memdc; + wxBitmap bitmap(1, 1); + memdc.SelectObject(bitmap); + memdc.Blit(0, 0, 1, 1, (wxDC*) this, x1, y1); + memdc.SelectObject(wxNullBitmap); + wxImage image(bitmap); + col->Set(image.GetRed(0, 0), image.GetGreen(0, 0), image.GetBlue(0, 0)); + return TRUE; } void wxWindowDC::DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2 ) @@ -296,7 +323,7 @@ void wxWindowDC::DoDrawArc( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2, wxCo wxCoord dx = xx1 - xxc; wxCoord dy = yy1 - yyc; - double radius = sqrt (dx * dx + dy * dy); + double radius = sqrt ((double)(dx * dx + dy * dy)); wxCoord r = (wxCoord) radius; double radius1, radius2; @@ -1167,6 +1194,144 @@ void wxWindowDC::DoDrawText( const wxString &text, wxCoord x, wxCoord y ) CalcBoundingBox (x, y); } +void wxWindowDC::DoDrawRotatedText( const wxString &text, wxCoord x, wxCoord y, double angle ) +{ + if (angle == 0.0) + { + DrawText(text, x, y); + return; + } + + wxCHECK_RET( Ok(), "invalid dc" ); + + // Since X draws from the baseline of the text, must add the text height + int cx = 0; + int cy = 0; + int ascent = 0; + int slen; + + slen = strlen(text); + + if (m_font.Ok()) + { + // Calculate text extent. + WXFontStructPtr pFontStruct = m_font.GetFontStruct(m_userScaleY*m_logicalScaleY, m_display); + int direction, descent; + XCharStruct overall_return; +#if 0 + if (use16) + (void)XTextExtents16((XFontStruct*) pFontStruct, (XChar2b *)(const char*) text, slen, &direction, + &ascent, &descent, &overall_return); + else +#endif // 0 + (void)XTextExtents((XFontStruct*) pFontStruct, (char*) (const char*) text, slen, &direction, + &ascent, &descent, &overall_return); + + cx = overall_return.width; + cy = ascent + descent; + } + + wxBitmap src(cx, cy); + wxMemoryDC dc; + dc.SelectObject(src); + dc.SetFont(GetFont()); + dc.SetBackground(*wxWHITE_BRUSH); + dc.SetBrush(*wxBLACK_BRUSH); + dc.Clear(); + dc.DrawText(text, 0, 0); + dc.SetFont(wxNullFont); + + // Calculate the size of the rotated bounding box. + double dx = cos(angle / 180.0 * M_PI); + double dy = sin(angle / 180.0 * M_PI); + double x4 = -cy * dy; + double y4 = cy * dx; + double x3 = cx * dx; + double y3 = cx * dy; + double x2 = x3 + x4; + double y2 = y3 + y4; + double x1 = x; + double y1 = y; + + // Create image from the source bitmap after writing the text into it. + wxImage image(src); + + int minx = roundmin(0, roundmin(x4, roundmin(x2, x3))); + int miny = roundmin(0, roundmin(y4, roundmin(y2, y3))); + int maxx = roundmax(0, roundmax(x4, roundmax(x2, x3))); + int maxy = roundmax(0, roundmax(y4, roundmax(y2, y3))); + + // This rotates counterclockwise around the top left corner. + for (int rx = minx; rx < maxx; rx++) + { + for (int ry = miny; ry < maxy; ry++) + { + // transform dest coords to source coords + int sx = (int) (rx * dx + ry * dy + 0.5); + int sy = (int) (ry * dx - rx * dy + 0.5); + if (sx >= 0 && sx < cx && sy >= 0 && sy < cy) + { + // draw black pixels, ignore white ones (i.e. transparent b/g) + if (image.GetRed(sx, sy) == 0) + { + DrawPoint((wxCoord) (x1 + maxx - rx), (wxCoord) (cy + y1 - ry)); + } + else + { + // Background + //DrawPoint(x1 + maxx - rx, cy + y1 + maxy - ry); + } + } + } + } + +#if 0 + // First draw a rectangle representing the text background, if a text + // background is specified + if (m_textBackgroundColour.Ok () && (m_backgroundMode != wxTRANSPARENT)) + { + wxColour oldPenColour = m_currentColour; + m_currentColour = m_textBackgroundColour; + bool sameColour = (oldPenColour.Ok () && m_textBackgroundColour.Ok () && + (oldPenColour.Red () == m_textBackgroundColour.Red ()) && + (oldPenColour.Blue () == m_textBackgroundColour.Blue ()) && + (oldPenColour.Green () == m_textBackgroundColour.Green ())); + + // This separation of the big && test required for gcc2.7/HP UX 9.02 + // or pixel value can be corrupted! + sameColour = (sameColour && + (oldPenColour.GetPixel() == m_textBackgroundColour.GetPixel())); + + if (!sameColour || !GetOptimization()) + { + int pixel = m_textBackgroundColour.AllocColour(m_display); + m_currentColour = m_textBackgroundColour; + + // Set the GC to the required colour + if (pixel > -1) + { + XSetForeground ((Display*) m_display, (GC) m_gc, pixel); + if (m_window && m_window->GetBackingPixmap()) + XSetForeground ((Display*) m_display,(GC) m_gcBacking, pixel); + } + } + else + m_textBackgroundColour = oldPenColour ; + + XFillRectangle ((Display*) m_display, (Pixmap) m_pixmap, (GC) m_gc, XLOG2DEV (x), YLOG2DEV (y), cx, cy); + if (m_window && m_window->GetBackingPixmap()) + XFillRectangle ((Display*) m_display, (Pixmap) m_window->GetBackingPixmap(),(GC) m_gcBacking, + XLOG2DEV_2 (x), YLOG2DEV_2 (y), cx, cy); + } +#endif + + long w, h; + // XXX use pixmap size + GetTextExtent (text, &w, &h); + CalcBoundingBox (x + w, y + h); + CalcBoundingBox (x, y); +} + bool wxWindowDC::CanGetTextExtent() const { return TRUE; @@ -1349,7 +1514,7 @@ void wxWindowDC::SetPen( const wxPen &pen ) int old_pen_join = m_currentPenJoin; int old_pen_cap = m_currentPenCap; int old_pen_nb_dash = m_currentPenDashCount; - char *old_pen_dash = m_currentPenDash; + wxMOTIFDash *old_pen_dash = m_currentPenDash; wxColour oldPenColour = m_currentColour; m_currentColour = m_pen.GetColour (); @@ -1359,7 +1524,7 @@ void wxWindowDC::SetPen( const wxPen &pen ) m_currentPenJoin = m_pen.GetJoin (); m_currentPenCap = m_pen.GetCap (); m_currentPenDashCount = m_pen.GetDashCount(); - m_currentPenDash = m_pen.GetDash(); + m_currentPenDash = (wxMOTIFDash*)m_pen.GetDash(); if (m_currentStyle == wxSTIPPLE) m_currentStipple = * m_pen.GetStipple (); @@ -1387,15 +1552,15 @@ void wxWindowDC::SetPen( const wxPen &pen ) int style; int join; int cap; - static const char dotted[] = {2, 5}; - static const char short_dashed[] = {4, 4}; - static const char long_dashed[] = {4, 8}; - static const char dotted_dashed[] = {6, 6, 2, 6}; + static const wxMOTIFDash dotted[] = {2, 5}; + static const wxMOTIFDash short_dashed[] = {4, 4}; + static const wxMOTIFDash long_dashed[] = {4, 8}; + static const wxMOTIFDash dotted_dashed[] = {6, 6, 2, 6}; // We express dash pattern in pen width unit, so we are // independent of zoom factor and so on... int req_nb_dash; - const char *req_dash; + const wxMOTIFDash *req_dash; switch (m_pen.GetStyle ()) { @@ -1429,13 +1594,13 @@ void wxWindowDC::SetPen( const wxPen &pen ) case wxTRANSPARENT: default: style = LineSolid; - req_dash = NULL; + req_dash = (wxMOTIFDash*)NULL; req_nb_dash = 0; } if (req_dash && req_nb_dash) { - char *real_req_dash = new char[req_nb_dash]; + wxMOTIFDash *real_req_dash = new wxMOTIFDash[req_nb_dash]; if (real_req_dash) { int factor = scaled_width == 0 ? 1 : scaled_width; @@ -2082,175 +2247,6 @@ int wxWindowDC::GetDepth() const return 24; } -#if wxUSE_SPLINES -// ----------------------------------- spline code ---------------------------------------- - -void wx_quadratic_spline(double a1, double b1, double a2, double b2, - double a3, double b3, double a4, double b4); -void wx_clear_stack(); -int wx_spline_pop(double *x1, double *y1, double *x2, double *y2, double *x3, - double *y3, double *x4, double *y4); -void wx_spline_push(double x1, double y1, double x2, double y2, double x3, double y3, - double x4, double y4); -static bool wx_spline_add_point(double x, double y); -static void wx_spline_draw_point_array(wxDC *dc); - -wxList wx_spline_point_list; - -#define half(z1, z2) ((z1+z2)/2.0) -#define THRESHOLD 5 - -/* iterative version */ - -void wx_quadratic_spline(double a1, double b1, double a2, double b2, double a3, double b3, double a4, - double b4) -{ - register double xmid, ymid; - double x1, y1, x2, y2, x3, y3, x4, y4; - - wx_clear_stack(); - wx_spline_push(a1, b1, a2, b2, a3, b3, a4, b4); - - while (wx_spline_pop(&x1, &y1, &x2, &y2, &x3, &y3, &x4, &y4)) { - xmid = (double)half(x2, x3); - ymid = (double)half(y2, y3); - if (fabs(x1 - xmid) < THRESHOLD && fabs(y1 - ymid) < THRESHOLD && - fabs(xmid - x4) < THRESHOLD && fabs(ymid - y4) < THRESHOLD) { - wx_spline_add_point( x1, y1 ); - wx_spline_add_point( xmid, ymid ); - } else { - wx_spline_push(xmid, ymid, (double)half(xmid, x3), (double)half(ymid, y3), - (double)half(x3, x4), (double)half(y3, y4), x4, y4); - wx_spline_push(x1, y1, (double)half(x1, x2), (double)half(y1, y2), - (double)half(x2, xmid), (double)half(y2, ymid), xmid, ymid); - } - } -} - -/* utilities used by spline drawing routines */ - -typedef struct wx_spline_stack_struct { - double x1, y1, x2, y2, x3, y3, x4, y4; -} Stack; - -#define SPLINE_STACK_DEPTH 20 -static Stack wx_spline_stack[SPLINE_STACK_DEPTH]; -static Stack *wx_stack_top; -static int wx_stack_count; - -void wx_clear_stack() -{ - wx_stack_top = wx_spline_stack; - wx_stack_count = 0; -} - -void wx_spline_push(double x1, double y1, double x2, double y2, double x3, double y3, double x4, double y4) -{ - wx_stack_top->x1 = x1; - wx_stack_top->y1 = y1; - wx_stack_top->x2 = x2; - wx_stack_top->y2 = y2; - wx_stack_top->x3 = x3; - wx_stack_top->y3 = y3; - wx_stack_top->x4 = x4; - wx_stack_top->y4 = y4; - wx_stack_top++; - wx_stack_count++; -} - -int wx_spline_pop(double *x1, double *y1, double *x2, double *y2, - double *x3, double *y3, double *x4, double *y4) -{ - if (wx_stack_count == 0) - return (0); - wx_stack_top--; - wx_stack_count--; - *x1 = wx_stack_top->x1; - *y1 = wx_stack_top->y1; - *x2 = wx_stack_top->x2; - *y2 = wx_stack_top->y2; - *x3 = wx_stack_top->x3; - *y3 = wx_stack_top->y3; - *x4 = wx_stack_top->x4; - *y4 = wx_stack_top->y4; - return (1); -} - -static bool wx_spline_add_point(double x, double y) -{ - wxPoint *point = new wxPoint ; - point->x = (int) x; - point->y = (int) y; - wx_spline_point_list.Append((wxObject*)point); - return TRUE; -} - -static void wx_spline_draw_point_array(wxDC *dc) -{ - dc->DrawLines(&wx_spline_point_list, 0, 0 ); - wxNode *node = wx_spline_point_list.First(); - while (node) - { - wxPoint *point = (wxPoint *)node->Data(); - delete point; - delete node; - node = wx_spline_point_list.First(); - } -} - -void wxWindowDC::DoDrawSpline( wxList *points ) -{ - wxCHECK_RET( Ok(), wxT("invalid window dc") ); - - wxPoint *p; - double cx1, cy1, cx2, cy2, cx3, cy3, cx4, cy4; - double x1, y1, x2, y2; - - wxNode *node = points->First(); - p = (wxPoint *)node->Data(); - - x1 = p->x; - y1 = p->y; - - node = node->Next(); - p = (wxPoint *)node->Data(); - - x2 = p->x; - y2 = p->y; - cx1 = (double)((x1 + x2) / 2); - cy1 = (double)((y1 + y2) / 2); - cx2 = (double)((cx1 + x2) / 2); - cy2 = (double)((cy1 + y2) / 2); - - wx_spline_add_point(x1, y1); - - while ((node = node->Next()) != NULL) - { - p = (wxPoint *)node->Data(); - x1 = x2; - y1 = y2; - x2 = p->x; - y2 = p->y; - cx4 = (double)(x1 + x2) / 2; - cy4 = (double)(y1 + y2) / 2; - cx3 = (double)(x1 + cx4) / 2; - cy3 = (double)(y1 + cy4) / 2; - - wx_quadratic_spline(cx1, cy1, cx2, cy2, cx3, cy3, cx4, cy4); - - cx1 = cx4; - cy1 = cy4; - cx2 = (double)(cx1 + x2) / 2; - cy2 = (double)(cy1 + y2) / 2; - } - - wx_spline_add_point( cx1, cy1 ); - wx_spline_add_point( x2, y2 ); - - wx_spline_draw_point_array( this ); -} - -#endif // wxUSE_SPLINE