X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/b610cc76ee60b50d89f21cacb1bbfe3e90b2c235..c4709ea55c2299c61ecda2ac350370f656de16ca:/src/common/dcbase.cpp diff --git a/src/common/dcbase.cpp b/src/common/dcbase.cpp index 3156558ff1..782f1d7a30 100644 --- a/src/common/dcbase.cpp +++ b/src/common/dcbase.cpp @@ -13,10 +13,6 @@ // declarations // ============================================================================ -#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) - #pragma implementation "dcbase.h" -#endif - // ---------------------------------------------------------------------------- // headers // ---------------------------------------------------------------------------- @@ -29,6 +25,7 @@ #endif #include "wx/dc.h" +#include "wx/math.h" // bool wxDCBase::sm_cacheing = false; @@ -36,6 +33,16 @@ // implementation // ============================================================================ +#if WXWIN_COMPATIBILITY_2_6 +void wxDCBase::BeginDrawing() +{ +} + +void wxDCBase::EndDrawing() +{ +} +#endif // WXWIN_COMPATIBILITY_2_6 + // ---------------------------------------------------------------------------- // special symbols // ---------------------------------------------------------------------------- @@ -373,7 +380,7 @@ void wxDCBase::DoDrawSpline( wxList *points ) // Each element of the widths array will be the width of the string up to and -// including the coresponding character in text. This is the generic +// including the corresponding character in text. This is the generic // implementation, the port-specific classes should do this with native APIs // if available and if faster. Note: pango_layout_index_to_pos is much slower // than calling GetTextExtent!! @@ -405,15 +412,14 @@ bool wxDCBase::DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths) { int totalWidth = 0; - size_t i, len = text.Length(); + const size_t len = text.Length(); widths.Empty(); widths.Add(0, len); - int w, h; // reset the cache if font or horizontal scale have changed - if (!s_fontWidthCache.m_widths || - (s_fontWidthCache.m_scaleX != m_scaleX) || - (s_fontWidthCache.m_font != GetFont())) + if ( !s_fontWidthCache.m_widths || + !wxIsSameDouble(s_fontWidthCache.m_scaleX, m_scaleX) || + (s_fontWidthCache.m_font != GetFont()) ) { s_fontWidthCache.Reset(); s_fontWidthCache.m_font = GetFont(); @@ -422,7 +428,8 @@ bool wxDCBase::DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths) // Calculate the position of each character based on the widths of // the previous characters - for (i=0; i= xDelta) + { + x -= xDelta; + if (nR1 > nR2) + nR = nR1 - (nR1-nR2)*(w-x)/w; + else + nR = nR1 + (nR2-nR1)*(w-x)/w; + + if (nG1 > nG2) + nG = nG1 - (nG1-nG2)*(w-x)/w; + else + nG = nG1 + (nG2-nG1)*(w-x)/w; + + if (nB1 > nB2) + nB = nB1 - (nB1-nB2)*(w-x)/w; + else + nB = nB1 + (nB2-nB1)*(w-x)/w; + + SetPen(wxPen(wxColour(nR, nG, nB), 1, wxSOLID)); + if(nDirection == wxEAST) + DrawRectangle(rect.GetLeft()+x, rect.GetTop(), + xDelta, rect.GetHeight()); + else //nDirection == wxWEST + DrawRectangle(rect.GetRight()-x-xDelta, rect.GetTop(), + xDelta, rect.GetHeight()); + } + } + else // nDirection == wxNORTH || nDirection == wxSOUTH + { + wxInt32 y = rect.GetHeight(); + wxInt32 w = y; // height of area to shade + wxInt32 yDelta = w/255; // height of one shade bend + if (yDelta < 1) + yDelta = 1; + + while (y > 0) + { + y -= yDelta; + if (nR1 > nR2) + nR = nR1 - (nR1-nR2)*(w-y)/w; + else + nR = nR1 + (nR2-nR1)*(w-y)/w; + + if (nG1 > nG2) + nG = nG1 - (nG1-nG2)*(w-y)/w; + else + nG = nG1 + (nG2-nG1)*(w-y)/w; + + if (nB1 > nB2) + nB = nB1 - (nB1-nB2)*(w-y)/w; + else + nB = nB1 + (nB2-nB1)*(w-y)/w; + + SetPen(wxPen(wxColour(nR, nG, nB), 1, wxSOLID)); + if(nDirection == wxNORTH) + DrawRectangle(rect.GetLeft(), rect.GetTop()+y, + rect.GetWidth(), yDelta); + else //nDirection == wxSOUTH + DrawRectangle(rect.GetLeft(), rect.GetBottom()-y-yDelta, + rect.GetWidth(), yDelta); + } + } + + SetPen(oldPen); +} + +void wxDCBase::GradientFillConcentric(const wxRect& rect, + const wxColour& initialColour, + const wxColour& destColour, + const wxPoint& circleCenter) +{ + //save the old pen color + wxColour oldPenColour = m_pen.GetColour(); + + wxUint8 nR1 = destColour.Red(); + wxUint8 nG1 = destColour.Green(); + wxUint8 nB1 = destColour.Blue(); + wxUint8 nR2 = initialColour.Red(); + wxUint8 nG2 = initialColour.Green(); + wxUint8 nB2 = initialColour.Blue(); + wxUint8 nR, nG, nB; + + + //Radius + wxInt32 cx = rect.GetWidth() / 2; + wxInt32 cy = rect.GetHeight() / 2; + wxInt32 nRadius; + if (cx < cy) + nRadius = cx; + else + nRadius = cy; + + //Offset of circle + wxInt32 nCircleOffX = circleCenter.x - (rect.GetWidth() / 2); + wxInt32 nCircleOffY = circleCenter.y - (rect.GetHeight() / 2); + + for ( wxInt32 x = 0; x < rect.GetWidth(); x++ ) + { + for ( wxInt32 y = 0; y < rect.GetHeight(); y++ ) + { + //get color difference + wxInt32 nGradient = ((nRadius - + (wxInt32)sqrt( + pow((double)(x - cx - nCircleOffX), 2) + + pow((double)(y - cy - nCircleOffY), 2) + )) * 100) / nRadius; + + //normalize Gradient + if (nGradient < 0 ) + nGradient = 0; + + //get dest colors + nR = nR1 + ((nR2 - nR1) * nGradient / 100); + nG = nG1 + ((nG2 - nG1) * nGradient / 100); + nB = nB1 + ((nB2 - nB1) * nGradient / 100); + + //set the pixel + m_pen.SetColour(wxColour(nR,nG,nB)); + DrawPoint(wxPoint(x + rect.GetLeft(), y + rect.GetTop())); + } + } + //return old pen color + m_pen.SetColour(oldPenColour); +} + /* Notes for wxWidgets DrawEllipticArcRot(...) @@ -984,38 +1141,3 @@ void wxDCBase::CalculateEllipticPoints( wxList* points, #endif -bool wxDoFloodFill(wxDC *dc, wxCoord x, wxCoord y, - const wxColour& col, int style) -{ -#if wxUSE_IMAGE - if (dc->GetBrush().GetStyle() == wxTRANSPARENT) - return true; - - int height = 0; - int width = 0; - dc->GetSize(&width, &height); - - //it would be nice to fail if we don't get a sensible size... - wxCHECK_MSG(width >= 1 && height >= 1, false, - wxT("In FloodFill, dc.GetSize routine failed, method not supported by this DC")); - - //this is much faster than doing the individual pixels - wxMemoryDC memdc; - wxBitmap bitmap(width, height); - memdc.SelectObject(bitmap); - memdc.Blit(0, 0, width, height, dc, 0, 0); - memdc.SelectObject(wxNullBitmap); - - wxImage image = bitmap.ConvertToImage(); - wxImageFloodFill(&image, x,y, dc->GetBrush(), col, style, - dc->GetLogicalFunction()); - bitmap = wxBitmap(image); - memdc.SelectObject(bitmap); - dc->Blit(0, 0, width, height, &memdc, 0, 0); - memdc.SelectObject(wxNullBitmap); - - return true; -#else - return false; -#endif -}