/******************************************************************** created: 2005/06/03 created: 03:06:2005 11:27 filename: x:\Software\Mfc\Source\Controls\Buttons\RoundButtonStyle.cpp file path: x:\Software\Mfc\Source\Controls\Buttons file base: RoundButtonStyle file ext: cpp author: Markus Zocholl purpose: CRoundButtonStyle manages the Style of CRoundButton, a Button-Control with round Design. Because the generation of the Button-Images is time consuming this is only done once in the Style-Class, and all Buttons associated with this class take the same Images. *********************************************************************/ #include "StdAfx.h" #include "math.h" #include ".\roundbuttonstyle.h" #ifdef _DEBUG #define new DEBUG_NEW #undef THIS_FILE static char THIS_FILE[] = __FILE__; #endif /************************************************************************/ /* Construction / Destruction */ /************************************************************************/ //! Constructor CRoundButtonStyle::CRoundButtonStyle(void) : m_bButtonDrawn(false) { // No Image => No Size m_tBtnSize = CSize(0, 0); // Set Standard-AntiAliasing-Zone m_tButtonStyle.m_dSizeAA = 2.0; // Set Standard-Position of HighLight m_tButtonStyle.m_dHighLightX = 0.0; m_tButtonStyle.m_dHighLightY = -7.0; // Set Radii of Edges m_tButtonStyle.m_dRadius = 10.0; m_tButtonStyle.m_dBorderRatio = 0.2; // Modified by ritoseo m_tButtonStyle.m_dRadius = 8.0; m_tButtonStyle.m_dBorderRatio = 0.1; // Set Heights of Button m_tButtonStyle.m_dHeightBorder = 0.5; m_tButtonStyle.m_dHeightButton = 0.5; // Modified by ritoseo m_tButtonStyle.m_dHeightBorder = 0.1; m_tButtonStyle.m_dHeightButton = 0.1; // Set Data of Highlight m_tButtonStyle.m_dRadiusHighLight = 7.0; m_tButtonStyle.m_dPowerHighLight = 0.4; // Set Colors for different States m_tButtonStyle.m_tColorBack.m_tDisabled = GetSysColor(COLOR_3DFACE); m_tButtonStyle.m_tColorBorder.m_tDisabled = RGB(128, 128, 128); m_tButtonStyle.m_tColorFace.m_tDisabled = RGB(128, 128, 128); m_tButtonStyle.m_tColorBack.m_tEnabled = GetSysColor(COLOR_3DFACE); m_tButtonStyle.m_tColorBorder.m_tEnabled = RGB(164, 128, 128); m_tButtonStyle.m_tColorFace.m_tEnabled = RGB(164, 164, 164); // Modified by ritoseo m_tButtonStyle.m_tColorBorder.m_tEnabled = RGB(164 + 10, 164 + 10, 164 + 10); m_tButtonStyle.m_tColorFace.m_tEnabled = RGB(164 + 10, 164 + 10, 164 + 10); m_tButtonStyle.m_tColorBack.m_tClicked = GetSysColor(COLOR_3DFACE); m_tButtonStyle.m_tColorBorder.m_tClicked = RGB(255, 255, 0); m_tButtonStyle.m_tColorFace.m_tClicked = RGB(164, 164, 164); m_tButtonStyle.m_tColorBack.m_tPressed = GetSysColor(COLOR_3DFACE); m_tButtonStyle.m_tColorBorder.m_tPressed = RGB(164, 128, 128); m_tButtonStyle.m_tColorFace.m_tPressed = RGB( 64, 64, 64); m_tButtonStyle.m_tColorBack.m_tHot = GetSysColor(COLOR_3DFACE); m_tButtonStyle.m_tColorBorder.m_tHot = RGB(164, 128, 128); m_tButtonStyle.m_tColorFace.m_tHot = RGB(192, 192, 192); } //! Destructor CRoundButtonStyle::~CRoundButtonStyle(void) { } /************************************************************************/ /* Access to Button-Style */ /************************************************************************/ // Get current set Button-Style bool CRoundButtonStyle::GetButtonStyle(tButtonStyle* _ptButtonStyle) { // Check, if Pointer to a Button-Style-Struct is given if (_ptButtonStyle == NULL) return false; // Copy Style to given Struct memcpy(_ptButtonStyle, &m_tButtonStyle, sizeof(tButtonStyle)); // All done return true; } // Set Style of Button to new value bool CRoundButtonStyle::SetButtonStyle(tButtonStyle* _ptButtonStyle) { // Check, if new Button-Style is given if (_ptButtonStyle == NULL) return false; // Copy new Style to Construct memcpy(&m_tButtonStyle, _ptButtonStyle, sizeof(tButtonStyle)); // Set Flag to redraw Buttons m_bButtonDrawn = false; // All done return true; } /************************************************************************/ /* Request for graphical objects */ /************************************************************************/ // Get Pointer to Bitmap containing Edges of Button-Face CBitmap* CRoundButtonStyle::GetButtonEdge(CDC* _pDC) { // Check, if Button needs to be redrawn if (!m_bButtonDrawn) { // Draw Masks of Button DrawMasks(_pDC); m_bButtonDrawn = true; } // Return Pointer to Bitmap return &m_tBmpButtonEdge; } /************************************************************************/ /* Drawing-Routines */ /************************************************************************/ // Draw all Masks of Button bool CRoundButtonStyle::DrawMasks(CDC* _pDC) { CDC MemDC; // Create DC in Memory if (MemDC.CreateCompatibleDC(_pDC) == FALSE) return false; /************************************************************************/ /* Generate Variables */ /************************************************************************/ // Distance from Center of Button double fDistCenter = 0.0; // Distance from Highlight-Center double fDistHigh = 0.0; // X-Position of Highlight double fXHigh; // Y-Position of Highlight double fYHigh; // Color-Factor of Background-Color double fFacBack = 0.0; // Color-Factor of Border-Color double fFacBorder = 0.0; // Color-Factor of Button-Face-Color double fFacFace = 0.0; // Color-Factor of Highlight-Color double fFacHigh = 0.0; // Color-Factor Red double fFacR; // Color-Factor Green double fFacG; // Color-Factor Blue double fFacB; // Color of actual Pixel COLORREF tColPixel; // Size of Anti-Aliasing-Region double fSizeAA; // Radius of Outer Rim (between Border and Nirvana) double fRadOuter; // Radius of Inner Rim (between Button-Face and Border) double fRadInner; // Ratio of Border double fRatioBorder; // Height of Border double fHeightBorder; // Height of Button-Face double fHeightButton; // Radius of Highlight double fRadHigh; // Power of Highlight double fPowHigh; // Size of single Edge int nSizeEdge = 0; /************************************************************************/ /* Load Infos of Style */ /************************************************************************/ // Load Position of HighLight fSizeAA = m_tButtonStyle.m_dSizeAA; fXHigh = m_tButtonStyle.m_dHighLightX; fYHigh = m_tButtonStyle.m_dHighLightY; fRadOuter = m_tButtonStyle.m_dRadius; fRatioBorder = m_tButtonStyle.m_dBorderRatio; fHeightBorder = m_tButtonStyle.m_dHeightBorder; fHeightButton = m_tButtonStyle.m_dHeightButton; fRadHigh = m_tButtonStyle.m_dRadiusHighLight; fPowHigh = m_tButtonStyle.m_dPowerHighLight; // Calculate Radius of Inner Border fRadInner = __min(fRadOuter, __max(0.0f, fRadOuter * (1.0f - fRatioBorder))); // Calculate Size of an Edge nSizeEdge = (int)ceil(fRadOuter + fSizeAA / 2.0); // Store Size of Mask in global var m_tBtnSize.SetSize(nSizeEdge, nSizeEdge); // Delete old Bitmap, if present if (m_tBmpButtonEdge.m_hObject != NULL) m_tBmpButtonEdge.DeleteObject(); // Generate new Bitmap m_tBmpButtonEdge.CreateCompatibleBitmap( _pDC, 2 * nSizeEdge + 1, (2 * nSizeEdge + 1) * BS_LAST_STATE); // Select Bitmap of Button-Edge into DC HGDIOBJ hOldBmp = MemDC.SelectObject(m_tBmpButtonEdge); // Draw Button-Edge int nX; int nY; int nState; COLORREF tColorBack; COLORREF tColorBorder; COLORREF tColorFace; for (nX = -nSizeEdge; nX <= nSizeEdge; nX++) { for (nY = -nSizeEdge; nY <= nSizeEdge; nY++) { // Calculate Distance of Point from Center of Button fDistCenter = sqrt((double)nX * (double)nX + (double)nY * (double)nY); // Calculate factor of Background fFacBack = __max(0.0, __min(1.0, 0.5 + (fDistCenter - fRadOuter) * 2.0 / fSizeAA)); // Calculate Factor for Border fFacBorder = 1.0 - fHeightBorder * pow((fRadOuter + fRadInner - fDistCenter * 2.0) / (fRadOuter - fRadInner) ,2); fFacBorder = __max(0.0, __min(1.0, 0.5 - (fDistCenter - fRadOuter) * 2.0 / fSizeAA)) * fFacBorder; fFacBorder = __max(0.0, __min(1.0, 0.5 + (fDistCenter - fRadInner) * 2.0 / fSizeAA)) * fFacBorder; for (nState = 0; nState < BS_LAST_STATE; nState++) { // Get Colors of State switch(nState) { case BS_ENABLED: tColorBack = m_tButtonStyle.m_tColorBack.m_tEnabled; tColorBorder = m_tButtonStyle.m_tColorBorder.m_tEnabled; tColorFace = m_tButtonStyle.m_tColorFace.m_tEnabled; break; case BS_CLICKED: tColorBack = m_tButtonStyle.m_tColorBack.m_tClicked; tColorBorder = m_tButtonStyle.m_tColorBorder.m_tClicked; tColorFace = m_tButtonStyle.m_tColorFace.m_tClicked; break; case BS_PRESSED: tColorBack = m_tButtonStyle.m_tColorBack.m_tPressed; tColorBorder = m_tButtonStyle.m_tColorBorder.m_tPressed; tColorFace = m_tButtonStyle.m_tColorFace.m_tPressed; break; case BS_HOT: tColorBack = m_tButtonStyle.m_tColorBack.m_tHot; tColorBorder = m_tButtonStyle.m_tColorBorder.m_tHot; tColorFace = m_tButtonStyle.m_tColorFace.m_tHot; break; case BS_DISABLED: default: tColorBack = m_tButtonStyle.m_tColorBack.m_tDisabled; tColorBorder = m_tButtonStyle.m_tColorBorder.m_tDisabled; tColorFace = m_tButtonStyle.m_tColorFace.m_tDisabled; break; } // Calculate Distance of Point from Highlight of Button fDistHigh = sqrt(((double)nX - fXHigh) * ((double)nX - fXHigh) + ((double)nY - fYHigh) * ((double)nY - fYHigh)); // Calculate Factor of Inner Surface if (fHeightButton > 0) fFacFace = 1.0 - fHeightButton * (fDistCenter / fRadInner) * (fDistCenter / fRadInner); else fFacFace = 1.0 + fHeightButton - fHeightButton * (fDistCenter / fRadInner) * (fDistCenter / fRadInner); fFacFace = __max(0.0, __min(1.0, 0.5 - (fDistCenter - fRadInner) * 2.0 / fSizeAA)) * fFacFace; // Calculate Factor of Highlight fFacHigh = 1.0 + __max(-1.0, __min(1.0, 1.0 - fHeightButton * fDistHigh / fRadHigh)) * fPowHigh; fFacFace = fFacFace * fFacHigh; // Calculate Color-Factors fFacR = (float)GetRValue(tColorBack) * fFacBack + (float)GetRValue(tColorBorder) * fFacBorder + (float)GetRValue(tColorFace) * fFacFace; fFacG = (float)GetGValue(tColorBack) * fFacBack + (float)GetGValue(tColorBorder) * fFacBorder + (float)GetGValue(tColorFace) * fFacFace; fFacB = (float)GetBValue(tColorBack) * fFacBack + (float)GetBValue(tColorBorder) * fFacBorder + (float)GetBValue(tColorFace) * fFacFace; // Calculate actual Color of Pixel tColPixel = RGB( __max(0, __min(255, (int)fFacR)), __max(0, __min(255, (int)fFacG)), __max(0, __min(255, (int)fFacB)) ); // Draw Pixels MemDC.SetPixel(nSizeEdge + nX, nSizeEdge + nY + (2 * nSizeEdge + 1) * nState, tColPixel); } } } // Select Old Bitmap into DC MemDC.SelectObject(hOldBmp); return true; }