www.gusucode.com > 三个VC++程序精灵编程源码实例源码程序 > 三个VC++程序精灵编程源码实例源码程序\code\ManSrc\xShadeButton.cpp
// xShadeButton.cpp : implementation file
// Download by http://www.NewXing.com
#include "stdafx.h"
#include "xShadeButton.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
//类名：CxShadeButton
//功能：制作不需要位图资源，而具有阴影的的位图按钮
//修改人：徐景周(jingzhou_xu@163.net)
//组织：未来工作室(Future Studio)
//日期：2001.12.1
/////////////////////////////////////////////////////////////////////////////
// CxDib (under development)
/////////////////////////////////////////////////////////////////////
CxDib::CxDib()
{
hDib=NULL;
memset(&m_bi,0,sizeof(BITMAPINFOHEADER));
m_bi.biSize = sizeof(BITMAPINFOHEADER);
m_LineWidth=0;
m_nColors=0;
}
/////////////////////////////////////////////////////////////////////
CxDib::~CxDib()
{
if (hDib) free(hDib);
}
/////////////////////////////////////////////////////////////////////
bool CxDib::IsWin30Dib(){
return ((*(LPDWORD)(hDib))==sizeof(BITMAPINFOHEADER));
}
/////////////////////////////////////////////////////////////////////
WORD CxDib::GetPaletteSize()
{
// if (IsWin30Dib())
return (m_nColors * sizeof(RGBQUAD));
// else return (m_nColors * sizeof(RGBTRIPLE));
}
/////////////////////////////////////////////////////////////////////
BYTE* CxDib::GetBits()
{
if (hDib) return ((BYTE*)hDib + *(LPDWORD)hDib + GetPaletteSize());
return NULL;
}
/////////////////////////////////////////////////////////////////////
HDIB CxDib::Create(DWORD dwWidth, DWORD dwHeight, WORD wBitCount)
{
LPBITMAPINFOHEADER lpbi; // pointer to BITMAPINFOHEADER
DWORD dwLen; // size of memory block
if (hDib) free(hDib);
hDib=NULL;
// Make sure bits per pixel is valid
if (wBitCount <= 1) wBitCount = 1;
else if (wBitCount <= 4) wBitCount = 4;
else if (wBitCount <= 8) wBitCount = 8;
else wBitCount = 24;
switch (wBitCount){
case 1:
m_nColors = 2;
break;
case 4:
m_nColors = 16;
break;
case 8:
m_nColors = 256;
break;
default:
m_nColors = 0;
}
m_LineWidth = WIDTHBYTES(wBitCount * dwWidth);
// initialize BITMAPINFOHEADER
m_bi.biSize = sizeof(BITMAPINFOHEADER);
m_bi.biWidth = dwWidth; // fill in width from parameter
m_bi.biHeight = dwHeight; // fill in height from parameter
m_bi.biPlanes = 1; // must be 1
m_bi.biBitCount = wBitCount; // from parameter
m_bi.biCompression = BI_RGB;
m_bi.biSizeImage = m_LineWidth * dwHeight;
m_bi.biXPelsPerMeter = 0;
m_bi.biYPelsPerMeter = 0;
m_bi.biClrUsed = 0;
m_bi.biClrImportant = 0;
// calculate size of memory block required to store the DIB. This
// block should be big enough to hold the BITMAPINFOHEADER, the color
// table, and the bits
dwLen = GetSize();
hDib = malloc(dwLen); // alloc memory block to store our bitmap
if (!hDib) return NULL;
// use our bitmap info structure to fill in first part of
// our DIB with the BITMAPINFOHEADER
lpbi = (LPBITMAPINFOHEADER)(hDib);
*lpbi = m_bi;
return hDib; //return handle to the DIB
}
/////////////////////////////////////////////////////////////////////
long CxDib::Draw(HDC pDC, long xoffset, long yoffset)
{
if((hDib)&&(pDC)) {
//palette must be correctly filled
LPSTR lpDIB = (char*)hDib; //set image to hdc...
SetStretchBltMode(pDC,COLORONCOLOR);
SetDIBitsToDevice(pDC, xoffset, yoffset,
m_bi.biWidth, m_bi.biHeight, 0, 0, 0,
m_bi.biHeight, GetBits(),
(BITMAPINFO*)lpDIB, DIB_RGB_COLORS);
return 1;
}
return 0;
}
/////////////////////////////////////////////////////////////////////
long CxDib::Stretch(HDC pDC, long xoffset, long yoffset, long xsize, long ysize)
{
if((hDib)&&(pDC)) {
//palette must be correctly filled
LPSTR lpDIB = (char*)hDib; //set image to hdc...
SetStretchBltMode(pDC,COLORONCOLOR);
StretchDIBits(pDC, xoffset, yoffset,
xsize, ysize, 0, 0, m_bi.biWidth, m_bi.biHeight,
GetBits(),(BITMAPINFO*)lpDIB,DIB_RGB_COLORS,SRCCOPY);
return 1;
}
return 0;
}
/////////////////////////////////////////////////////////////////////
void CxDib::SetPaletteIndex(BYTE idx, BYTE r, BYTE g, BYTE b)
{
if ((hDib)&&(m_nColors)){
BYTE* iDst = (BYTE*)(hDib) + sizeof(BITMAPINFOHEADER);
if ((idx>=0)&&(idx<m_nColors)){
long ldx=idx*sizeof(RGBQUAD);
iDst[ldx++] = (BYTE) b;
iDst[ldx++] = (BYTE) g;
iDst[ldx++] = (BYTE) r;
iDst[ldx] = (BYTE) 0;
}
}
return;
}
/////////////////////////////////////////////////////////////////////
void CxDib::SetPaletteIndex(BYTE idx, RGBQUAD c)
{
if ((hDib)&&(m_nColors)){
BYTE* iDst = (BYTE*)(hDib) + sizeof(BITMAPINFOHEADER);
if ((idx>=0)&&(idx<m_nColors)){
long ldx=idx*sizeof(RGBQUAD);
iDst[ldx++] = (BYTE) c.rgbBlue;
iDst[ldx++] = (BYTE) c.rgbGreen;
iDst[ldx++] = (BYTE) c.rgbRed;
iDst[ldx] = (BYTE) 0;
}
}
return;
}
/////////////////////////////////////////////////////////////////////
void CxDib::SetPaletteIndex(BYTE idx, COLORREF cr)
{
if ((hDib)&&(m_nColors)){
BYTE* iDst = (BYTE*)(hDib) + sizeof(BITMAPINFOHEADER);
if ((idx>=0)&&(idx<m_nColors)){
long ldx=idx*sizeof(RGBQUAD);
iDst[ldx++] = (BYTE) GetBValue(cr);
iDst[ldx++] = (BYTE) GetGValue(cr);
iDst[ldx++] = (BYTE) GetRValue(cr);
iDst[ldx] = (BYTE) 0;
}
}
return;
}
/////////////////////////////////////////////////////////////////////
RGBQUAD CxDib::GetPaletteIndex(BYTE idx)
{
RGBQUAD rgb = {0,0,0,0};
if ((hDib)&&(m_nColors)){
BYTE* iDst = (BYTE*)(hDib) + sizeof(BITMAPINFOHEADER);
if ((idx>=0)&&(idx<m_nColors)){
long ldx=idx*sizeof(RGBQUAD);
rgb.rgbBlue = iDst[ldx++];
rgb.rgbGreen=iDst[ldx++];
rgb.rgbRed =iDst[ldx];
rgb.rgbReserved = 0;
}
}
return rgb;
}
/////////////////////////////////////////////////////////////////////
BYTE CxDib::GetPixelIndex(long x,long y)
{
if ((hDib==NULL)||(m_nColors==0)||
(x<0)||(y<0)||(x>=m_bi.biWidth)||(y>=m_bi.biHeight)) return 0;
BYTE* iDst = GetBits();
return iDst[(m_bi.biHeight - y)*m_LineWidth + x];
}
/////////////////////////////////////////////////////////////////////
RGBQUAD CxDib::GetPixelColor(long x,long y)
{
RGBQUAD rgb={0,0,0,0};
if ((hDib==NULL)||(x<0)||(y<0)||
(x>=m_bi.biWidth)||(y>=m_bi.biHeight)) return rgb;
if (m_nColors) return GetPaletteIndex(GetPixelIndex(x,y));
else {
BYTE* iDst = GetBits()+(m_bi.biHeight - y)*m_LineWidth + x*sizeof(RGBQUAD);
rgb.rgbBlue = *iDst++;
rgb.rgbGreen= *iDst++;
rgb.rgbRed =*iDst;
return rgb;
}
}
/////////////////////////////////////////////////////////////////////
void CxDib::SetPixelIndex(long x,long y,BYTE i)
{
if ((hDib==NULL)||(m_nColors==0)||
(x<0)||(y<0)||(x>=m_bi.biWidth)||(y>=m_bi.biHeight)) return ;
BYTE* iDst = GetBits();
iDst[(m_bi.biHeight - y)*m_LineWidth + x]=i;
return;
}
/////////////////////////////////////////////////////////////////////
void CxDib::SetPixelColor(long x,long y,COLORREF cr)
{
SetPixelColor(x,y,RGB2RGBQUAD(cr));
return;
}
/////////////////////////////////////////////////////////////////////
void CxDib::SetPixelColor(long x,long y,RGBQUAD c)
{
if ((hDib==NULL)||(x<0)||(y<0)||
(x>=m_bi.biWidth)||(y>=m_bi.biHeight)) return;
if (m_nColors)
SetPixelIndex(x,y,GetNearestIndex(c));
else {
BYTE* iDst = GetBits()+(m_bi.biHeight - y)*m_LineWidth + x*sizeof(RGBQUAD);
*(RGBQUAD*)iDst = c;
}
return;
}
/////////////////////////////////////////////////////////////////////
BYTE CxDib::GetNearestIndex(RGBQUAD c)
{
if ((hDib==NULL)||(m_nColors==0)) return 0;
BYTE* iDst = (BYTE*)(hDib) + sizeof(BITMAPINFOHEADER);
long distance=200000;
BYTE i,j;
long k,l;
for(i=0,l=0;i<m_nColors;i++,l+=sizeof(RGBQUAD)){
k = (iDst[l]-c.rgbBlue)*(iDst[l]-c.rgbBlue)+
(iDst[l+1]-c.rgbGreen)*(iDst[l+1]-c.rgbGreen)+
(iDst[l+2]-c.rgbRed)*(iDst[l+2]-c.rgbRed);
if (k==0){
j=i;
break;
}
if (k<distance){
distance=k;
j=i;
}
}
return j;
}
/////////////////////////////////////////////////////////////////////
#define HSLMAX 240 /* H,L, and S vary over 0-HSLMAX */
#define RGBMAX 255 /* R,G, and B vary over 0-RGBMAX */
/* HSLMAX BEST IF DIVISIBLE BY 6 */
/* RGBMAX, HSLMAX must each fit in a byte. */
/* Hue is undefined if Saturation is 0 (grey-scale) */
/* This value determines where the Hue scrollbar is */
/* initially set for achromatic colors */
#define UNDEFINED (HSLMAX*2/3)
/////////////////////////////////////////////////////////////////////
RGBQUAD CxDib::RGBtoHSL(RGBQUAD lRGBColor)
{
BYTE R,G,B; /* input RGB values */
BYTE H,L,S; /* output HSL values */
BYTE cMax,cMin; /* max and min RGB values */
WORD Rdelta,Gdelta,Bdelta; /* intermediate value: % of spread from max*/
R = lRGBColor.rgbRed; /* get R, G, and B out of DWORD */
G = lRGBColor.rgbGreen;
B = lRGBColor.rgbBlue;
cMax = max( max(R,G), B); /* calculate lightness */
cMin = min( min(R,G), B);
L = (((cMax+cMin)*HSLMAX)+RGBMAX)/(2*RGBMAX);
if (cMax==cMin){ /* r=g=b --> achromatic case */
S = 0; /* saturation */
H = UNDEFINED; /* hue */
} else { /* chromatic case */
if (L <= (HSLMAX/2)) /* saturation */
S = (((cMax-cMin)*HSLMAX)+((cMax+cMin)/2))/(cMax+cMin);
else
S = (((cMax-cMin)*HSLMAX)+((2*RGBMAX-cMax-cMin)/2))/(2*RGBMAX-cMax-cMin);
/* hue */
Rdelta = ( ((cMax-R)*(HSLMAX/6)) + ((cMax-cMin)/2) ) / (cMax-cMin);
Gdelta = ( ((cMax-G)*(HSLMAX/6)) + ((cMax-cMin)/2) ) / (cMax-cMin);
Bdelta = ( ((cMax-B)*(HSLMAX/6)) + ((cMax-cMin)/2) ) / (cMax-cMin);
if (R == cMax)
H = Bdelta - Gdelta;
else if (G == cMax)
H = (HSLMAX/3) + Rdelta - Bdelta;
else /* B == cMax */
H = ((2*HSLMAX)/3) + Gdelta - Rdelta;
if (H < 0) H += HSLMAX;
if (H > HSLMAX) H -= HSLMAX;
}
RGBQUAD hsl={L,S,H,0};
return hsl;
}
/////////////////////////////////////////////////////////////////////
WORD CxDib::HueToRGB(WORD n1,WORD n2,WORD hue)
{
/* range check: note values passed add/subtract thirds of range */
if (hue < 0) hue += HSLMAX;
if (hue > HSLMAX) hue -= HSLMAX;
/* return r,g, or b value from this tridrant */
if (hue < (HSLMAX/6))
return ( n1 + (((n2-n1)*hue+(HSLMAX/12))/(HSLMAX/6)) );
if (hue < (HSLMAX/2))
return ( n2 );
if (hue < ((HSLMAX*2)/3))
return ( n1 + (((n2-n1)*(((HSLMAX*2)/3)-hue)+(HSLMAX/12))/(HSLMAX/6)));
else
return ( n1 );
}
/////////////////////////////////////////////////////////////////////
RGBQUAD CxDib::HSLtoRGB(COLORREF cHSLColor)
{
return HSLtoRGB(RGB2RGBQUAD(cHSLColor));
}
/////////////////////////////////////////////////////////////////////
RGBQUAD CxDib::HSLtoRGB(RGBQUAD lHSLColor)
{
WORD hue,lum,sat;
BYTE R,G,B; /* RGB component values */
WORD Magic1,Magic2; /* calculated magic numbers (really!) */
hue = lHSLColor.rgbRed; /* get H, S, and L out of DWORD */
sat = lHSLColor.rgbGreen;
lum = lHSLColor.rgbBlue;
if (sat == 0) { /* achromatic case */
R=G=B=(lum*RGBMAX)/HSLMAX;
} else { /* chromatic case */
/* set up magic numbers */
if (lum <= (HSLMAX/2))
Magic2 = (lum*(HSLMAX + sat) + (HSLMAX/2))/HSLMAX;
else
Magic2 = lum + sat - ((lum*sat) + (HSLMAX/2))/HSLMAX;
Magic1 = 2*lum-Magic2;
/* get RGB, change units from HSLMAX to RGBMAX */
R = (HueToRGB(Magic1,Magic2,(WORD)(hue+(HSLMAX/3)))*RGBMAX+(HSLMAX/2))/HSLMAX;
G = (HueToRGB(Magic1,Magic2,hue)*RGBMAX + (HSLMAX/2)) / HSLMAX;
B = (HueToRGB(Magic1,Magic2,(WORD)(hue-(HSLMAX/3)))*RGBMAX+(HSLMAX/2))/HSLMAX;
}
RGBQUAD rgb={B,G,R,0};
return rgb;
}
/////////////////////////////////////////////////////////////////////
RGBQUAD CxDib::RGB2RGBQUAD(COLORREF cr)
{
RGBQUAD c;
c.rgbRed = GetRValue(cr); /* get R, G, and B out of DWORD */
c.rgbGreen = GetGValue(cr);
c.rgbBlue = GetBValue(cr);
c.rgbReserved=0;
return c;
}
/////////////////////////////////////////////////////////////////////
COLORREF CxDib::RGBQUAD2RGB (RGBQUAD c)
{
return RGB(c.rgbRed,c.rgbGreen,c.rgbBlue);
}
/////////////////////////////////////////////////////////////////////
void CxDib::SetGrayPalette()
{
if ((hDib==NULL)||(m_nColors==0)) return;
RGBQUAD pal[256];
RGBQUAD* ppal;
BYTE* iDst;
int ni;
ppal=(RGBQUAD*)&pal[0];
iDst = (BYTE*)(hDib) + sizeof(BITMAPINFOHEADER);
for (ni=0;ni<m_nColors;ni++){ pal[ni]=RGB2RGBQUAD(RGB(ni,ni,ni));}
pal[0]=RGB2RGBQUAD(RGB(0,0,0));
pal[m_nColors-1]=RGB2RGBQUAD(RGB(255,255,255));
memcpy(iDst,ppal,GetPaletteSize());
return;
}
/////////////////////////////////////////////////////////////////////
void CxDib::BlendPalette(COLORREF cr,long perc)
{
if ((hDib==NULL)||(m_nColors==0)) return;
BYTE* iDst = (BYTE*)(hDib) + sizeof(BITMAPINFOHEADER);
long i,r,g,b;
RGBQUAD* pPal=(RGBQUAD*)iDst;
r = GetRValue(cr);
g = GetGValue(cr);
b = GetBValue(cr);
if (perc>100) perc=100;
for(i=0;i<m_nColors;i++){
pPal[i].rgbBlue=(BYTE)((pPal[i].rgbBlue*(100-perc)+b*perc)/100);
pPal[i].rgbGreen =(BYTE)((pPal[i].rgbGreen*(100-perc)+g*perc)/100);
pPal[i].rgbRed =(BYTE)((pPal[i].rgbRed*(100-perc)+r*perc)/100);
}
return;
}
/////////////////////////////////////////////////////////////////////
long CxDib::WriteBMP(LPSTR bmpFileName)
{
if ((*bmpFileName=='\0')||(hDib==0)) return 0;
BITMAPFILEHEADER hdr;
HANDLE hFile;
DWORD nByteWrite;
hFile=CreateFile( // open if exist ini file
bmpFileName, // pointer to name of the file
GENERIC_WRITE, // access mode
0, // share mode
NULL, // pointer to security descriptor
TRUNCATE_EXISTING, // how to create
FILE_ATTRIBUTE_NORMAL, // file attributes
NULL // handle to file with attributes to copy
);
if (hFile==INVALID_HANDLE_VALUE) return 0; //check if file exist
/* Fill in the fields of the file header */
hdr.bfType = BFT_BITMAP;
hdr.bfSize = GetSize() + sizeof(BITMAPFILEHEADER);
hdr.bfReserved1 = hdr.bfReserved2 = 0;
hdr.bfOffBits = (DWORD) sizeof(BITMAPFILEHEADER)+
m_bi.biSize + GetPaletteSize();
// Write the file header
WriteFile( // write ini (sync mode <-> no overlapped)
hFile, // handle of file to write
(LPSTR) &hdr, // address of buffer that contains data
sizeof(BITMAPFILEHEADER), // number of bytes to write
&nByteWrite, // address of number of bytes written
NULL // address of structure for data
);
// Write the DIB header and the bits
WriteFile( // write ini (sync mode <-> no overlapped)
hFile, // handle of file to write
(LPSTR) hDib, // address of buffer that contains data
GetSize(), // number of bytes to write
&nByteWrite, // address of number of bytes written
NULL // address of structure for data
);
CloseHandle(hFile); //free file handle
return 1;
}
/////////////////////////////////////////////////////////////////////
long CxDib::GetSize()
{
return m_bi.biSize + m_bi.biSizeImage + GetPaletteSize();
}
/////////////////////////////////////////////////////////////////////
BOOL CxDib::IsValid()
{
return (hDib!=NULL);
}
/////////////////////////////////////////////////////////////////////
void CxDib::Clone(CxDib *src)
{
Create(src->GetWidth(),src->GetHeight(),src->GetBitCount());
if (hDib) memcpy(hDib,src->hDib,GetSize());
return;
}
/////////////////////////////////////////////////////////////////////
void CxDib::Clear(BYTE bval)
{
if (hDib) memset(GetBits(),bval,m_bi.biSizeImage);
}
/////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////
// CxShadeButton
CxShadeButton::CxShadeButton()
{
m_Border=1; //draw 3D border
m_FocusRectMargin=4; //focus dotted rect margin
m_TextColor=GetSysColor(COLOR_BTNTEXT); // default button text color
m_button_down = m_tracking = false;
}
/////////////////////////////////////////////////////////////////////////////
CxShadeButton::~CxShadeButton()
{ }
/////////////////////////////////////////////////////////////////////////////
BEGIN_MESSAGE_MAP(CxShadeButton, CButton)
//{{AFX_MSG_MAP(CxShadeButton)
ON_WM_ERASEBKGND()
ON_WM_LBUTTONDOWN()
ON_WM_LBUTTONUP()
ON_WM_MOUSEMOVE()
ON_WM_LBUTTONDBLCLK()
ON_WM_KILLFOCUS()
ON_MESSAGE(WM_MOUSELEAVE, OnMouseLeave)
//ON_CONTROL_REFLECT_EX(BN_CLICKED, OnClicked)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CxShadeButton message handlers
/////////////////////////////////////////////////////////////////////////////
BOOL CxShadeButton::OnEraseBkgnd(CDC* pDC)
{
return 1; // doesn't erase the button background
}
/////////////////////////////////////////////////////////////////////////////
//加入此涵数，在其中为按钮属性初始化时自动添加自画属性(OWNERDRAW)
/////////////////////////////////////////////////////////////////////////////
void CxShadeButton::PreSubclassWindow()
{
SetButtonStyle(GetButtonStyle()|BS_OWNERDRAW);
}
/////////////////////////////////////////////////////////////////////////////
void CxShadeButton::DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct)
{
ASSERT (lpDrawItemStruct);
//TRACE("* Captured: %08X\n", ::GetCapture());
//Check if the button state in not in inconsistent mode...
POINT mouse_position;
if ((m_button_down) && (::GetCapture() == m_hWnd) && (::GetCursorPos(&mouse_position))){
if (::WindowFromPoint(mouse_position) == m_hWnd){
if ((GetState() & BST_PUSHED) != BST_PUSHED) {
//TRACE("* Inconsistency up detected! Fixing.\n");
SetState(TRUE);
return;
}
} else {
if ((GetState() & BST_PUSHED) == BST_PUSHED) {
//TRACE("* Inconsistency up detected! Fixing.\n");
SetState(FALSE);
return;
}
}
}
//TRACE("* Drawing: %08x\n", lpDrawItemStruct->itemState);
CString sCaption;
TEXTMETRIC tm;
CDC *pDC = CDC::FromHandle(lpDrawItemStruct->hDC); // get device context
RECT r=lpDrawItemStruct->rcItem; // context rectangle
int cx = r.right - r.left ; // get width
int cy = r.bottom - r.top ; // get height
GetWindowText(sCaption); // get button text
pDC->SetBkMode(TRANSPARENT);
pDC->SelectObject(GetStockObject(DEFAULT_GUI_FONT)); //get text font
pDC->GetTextMetrics(&tm); // get font metrics
// get top-left corner to draw the text centered on the button
int tx=(cx-tm.tmAveCharWidth*sCaption.GetLength())/2;
int ty=(cy-tm.tmHeight)/2;
// Select the correct skin
if (lpDrawItemStruct->itemState & ODS_DISABLED){ // DISABLED BUTTON
if(!m_dDisabled.IsValid())
// no skin selected for disabled state -> standard button
pDC->FillSolidRect(&r,GetSysColor(COLOR_BTNFACE));
else // paint the skin
m_dDisabled.Draw(pDC->GetSafeHdc(),0,0);
// if needed, draw the standard 3D rectangular border
if (m_Border) pDC->DrawEdge(&r,EDGE_RAISED,BF_RECT);
// paint the etched button text
pDC->SetTextColor(GetSysColor(COLOR_3DHILIGHT));
pDC->ExtTextOut(tx+1,ty+1,ETO_CLIPPED,&r,sCaption,NULL);
pDC->SetTextColor(GetSysColor(COLOR_GRAYTEXT));
pDC->ExtTextOut(tx,ty,ETO_CLIPPED,&r,sCaption,NULL);
} else {
//---------------------------------------------------------------------------
if (lpDrawItemStruct->itemState & ODS_SELECTED){ //SELECTED (DOWN) BUTTON
if(!m_dDown.IsValid())
// no skin selected for selected state -> standard button
pDC->FillSolidRect(&r,GetSysColor(COLOR_BTNFACE));
else { // paint the skin
m_dDown.Draw(pDC->GetSafeHdc(),1,1);
}
// if needed, draw the standard 3D rectangular border
if (m_Border) pDC->DrawEdge(&r,EDGE_SUNKEN,BF_RECT);
} else {
//---------------------------------------------------------------------------
if(!m_dNormal.IsValid()) // DEFAULT BUTTON
// no skin selected for normal state -> standard button
pDC->FillSolidRect(&r,GetSysColor(COLOR_BTNFACE));
else // paint the skin
if ((m_tracking)&&(m_dOver.IsValid())){
m_dOver.Draw(pDC->GetSafeHdc(),0,0);
} else {
m_dNormal.Draw(pDC->GetSafeHdc(),0,0);
}
// if needed, draw the standard 3D rectangular border
if (m_Border){
if (lpDrawItemStruct->itemState & ODS_DEFAULT){
pDC->DrawEdge(&r,EDGE_SUNKEN,BF_RECT);
r.left += 1;
r.top += 1;
r.right -= 1;
r.bottom -= 1;
pDC->DrawEdge(&r,EDGE_RAISED,BF_RECT);
} else {
pDC->DrawEdge(&r,EDGE_RAISED,BF_RECT);
}
}
//---------------------------------------------------------------------------
}
// paint the focus rect
if ((lpDrawItemStruct->itemState & ODS_FOCUS)&&(m_FocusRectMargin>0)){
r.left += m_FocusRectMargin ;
r.top += m_FocusRectMargin ;
r.right -= m_FocusRectMargin ;
r.bottom -= m_FocusRectMargin ;
m_dh.Draw(pDC->GetSafeHdc(),r.left,r.top);
m_dh.Draw(pDC->GetSafeHdc(),1+r.left,r.bottom);
m_dv.Draw(pDC->GetSafeHdc(),r.left,1+r.top);
m_dv.Draw(pDC->GetSafeHdc(),r.right,r.top);
}
// paint the enabled button text
pDC->SetTextColor(m_TextColor);
pDC->ExtTextOut(tx,ty,ETO_CLIPPED,&r,sCaption,NULL);
}
}
/////////////////////////////////////////////////////////////////////////////
void CxShadeButton::SetShade(UINT shadeID,BYTE granularity,BYTE highlight,BYTE coloring,COLORREF color)
{
long sXSize,sYSize,bytes,j,i,k,h;
BYTE *iDst ,*posDst;
RECT rect;
GetWindowRect(&rect);
sYSize=rect.bottom-rect.top;
sXSize=rect.right-rect.left ;
m_dh.Create(max(1,sXSize-2*m_FocusRectMargin),1,8); //create the horizontal focus bitmap
m_dv.Create(1,max(1,sYSize-2*m_FocusRectMargin),8); //create the vertical focus bitmap
m_dNormal.Create(sXSize,sYSize,8); //create the default bitmap
COLORREF hicr=GetSysColor(COLOR_BTNHIGHLIGHT); //get the button base colors
COLORREF midcr=GetSysColor(COLOR_BTNFACE);
COLORREF locr=GetSysColor(COLOR_BTNSHADOW);
long r,g,b; //build the shaded palette
for(i=0;i<129;i++){
r=((128-i)*GetRValue(locr)+i*GetRValue(midcr))/128;
g=((128-i)*GetGValue(locr)+i*GetGValue(midcr))/128;
b=((128-i)*GetBValue(locr)+i*GetBValue(midcr))/128;
m_dNormal.SetPaletteIndex((BYTE)i,(BYTE)r,(BYTE)g,(BYTE)b);
m_dh.SetPaletteIndex((BYTE)i,(BYTE)r,(BYTE)g,(BYTE)b);
m_dv.SetPaletteIndex((BYTE)i,(BYTE)r,(BYTE)g,(BYTE)b);
}
for(i=1;i<129;i++){
r=((128-i)*GetRValue(midcr)+i*GetRValue(hicr))/128;
g=((128-i)*GetGValue(midcr)+i*GetGValue(hicr))/128;
b=((128-i)*GetBValue(midcr)+i*GetBValue(hicr))/128;
m_dNormal.SetPaletteIndex((BYTE)(i+127),(BYTE)r,(BYTE)g,(BYTE)b);
m_dh.SetPaletteIndex((BYTE)(i+127),(BYTE)r,(BYTE)g,(BYTE)b);
m_dv.SetPaletteIndex((BYTE)(i+127),(BYTE)r,(BYTE)g,(BYTE)b);
}
m_dNormal.BlendPalette(color,coloring); //color the palette
iDst=m_dh.GetBits(); //build the horiz. dotted focus bitmap
j=(long)m_dh.GetWidth();
for(i=0;i<j;i++){
// iDst[i]=64+127*(i%2); //soft
iDst[i]=255*(i%2); //hard
}
iDst=m_dv.GetBits(); //build the vert. dotted focus bitmap
j=(long)m_dv.GetHeight();
for(i=0;i<j;i++){
// *iDst=64+127*(i%2); //soft
*iDst=255*(i%2); //hard
iDst+=4;
}
bytes = m_dNormal.GetLineWidth();
iDst = m_dNormal.GetBits();
posDst =iDst;
long a,x,y,d,xs,idxmax,idxmin;
int grainx2=RAND_MAX/(max(1,2*granularity));
idxmax=255-granularity;
idxmin=granularity;
switch(shadeID){
//----------------------------------------------------
case 8: //SHS_METAL
m_dNormal.Clear();
// create the strokes
k=40; //stroke granularity
for(a=0;a<200;a++){
x=rand()/(RAND_MAX/sXSize); //stroke postion
y=rand()/(RAND_MAX/sYSize); //stroke position
xs=rand()/(RAND_MAX/min(sXSize,sYSize))/2; //stroke lenght
d=rand()/(RAND_MAX/k); //stroke color
for(i=0;i<xs;i++){
if (((x-i)>0)&&((y+i)<sYSize))
m_dNormal.SetPixelIndex(x-i,y+i,(BYTE)d);
if (((x+i)<sXSize)&&((y-i)>0))
m_dNormal.SetPixelIndex(sXSize-x+i,y-i,(BYTE)d);
}
}
//blend strokes with SHS_DIAGONAL
posDst =iDst;
a=(idxmax-idxmin-k)/2;
for(i = 0; i < sYSize; i++) {
for(j = 0; j < sXSize; j++) {
d=posDst[j]+((a*i)/sYSize+(a*(sXSize-j))/sXSize);
posDst[j]=(BYTE)d;
posDst[j]+=rand()/grainx2;
}
posDst+=bytes;
}
break;
//----------------------------------------------------
case 7: // SHS_HARDBUMP
//set horizontal bump
for(i = 0; i < sYSize; i++) {
k=(255*i/sYSize)-127;
k=(k*(k*k)/128)/128;
k=(k*(128-granularity))/128+128;
for(j = 0; j < sXSize; j++) {
posDst[j]=(BYTE)k;
posDst[j]+=rand()/grainx2-granularity;
}
posDst+=bytes;
}
//set vertical bump
d=min(16,sXSize/6); //max edge=16
a=sYSize*sYSize/4;
posDst =iDst;
for(i = 0; i < sYSize; i++) {
y=i-sYSize/2;
for(j = 0; j < sXSize; j++) {
x=j-sXSize/2;
xs=sXSize/2-d+(y*y*d)/a;
if (x>xs) posDst[j]=idxmin+(BYTE)(((sXSize-j)*128)/d);
if ((x+xs)<0) posDst[j]=idxmax-(BYTE)((j*128)/d);
posDst[j]+=rand()/grainx2-granularity;
}
posDst+=bytes;
}
break;
//----------------------------------------------------
case 6: //SHS_SOFTBUMP
for(i = 0; i < sYSize; i++) {
h=(255*i/sYSize)-127;
for(j = 0; j < sXSize; j++) {
k=(255*(sXSize-j)/sXSize)-127;
k=(h*(h*h)/128)/128+(k*(k*k)/128)/128;
k=k*(128-granularity)/128+128;
if (k<idxmin) k=idxmin;
if (k>idxmax) k=idxmax;
posDst[j]=(BYTE)k;
posDst[j]+=rand()/grainx2-granularity;
}
posDst+=bytes;
}
break;
//----------------------------------------------------
case 5: // SHS_VBUMP
for(j = 0; j < sXSize; j++) {
k=(255*(sXSize-j)/sXSize)-127;
k=(k*(k*k)/128)/128;
k=(k*(128-granularity))/128+128;
for(i = 0; i < sYSize; i++) {
posDst[j+i*bytes]=(BYTE)k;
posDst[j+i*bytes]+=rand()/grainx2-granularity;
}
}
break;
//----------------------------------------------------
case 4: //SHS_HBUMP
for(i = 0; i < sYSize; i++) {
k=(255*i/sYSize)-127;
k=(k*(k*k)/128)/128;
k=(k*(128-granularity))/128+128;
for(j = 0; j < sXSize; j++) {
posDst[j]=(BYTE)k;
posDst[j]+=rand()/grainx2-granularity;
}
posDst+=bytes;
}
break;
//----------------------------------------------------
case 1: //SHS_DIAGSHADE
a=(idxmax-idxmin)/2;
for(i = 0; i < sYSize; i++) {
for(j = 0; j < sXSize; j++) {
posDst[j]=(BYTE)(idxmin+a*i/sYSize+a*(sXSize-j)/sXSize);
posDst[j]+=rand()/grainx2-granularity;
}
posDst+=bytes;
}
break;
//----------------------------------------------------
case 2: //SHS_HSHADE
a=idxmax-idxmin;
for(i = 0; i < sYSize; i++) {
k=a*i/sYSize+idxmin;
for(j = 0; j < sXSize; j++) {
posDst[j]=(BYTE)k;
posDst[j]+=rand()/grainx2-granularity;
}
posDst+=bytes;
}
break;
//----------------------------------------------------
case 3: //SHS_VSHADE:
a=idxmax-idxmin;
for(j = 0; j < sXSize; j++) {
k=a*(sXSize-j)/sXSize+idxmin;
for(i = 0; i < sYSize; i++) {
posDst[j+i*bytes]=(BYTE)k;
posDst[j+i*bytes]+=rand()/grainx2-granularity;
}
}
break;
//----------------------------------------------------
default: //SHS_NOISE
for(i = 0; i < sYSize; i++) {
for(j = 0; j < sXSize; j++) {
posDst[j]=128+rand()/grainx2-granularity;
}
posDst+=bytes;
}
}
//----------------------------------------------------
m_dDisabled.Clone(&m_dNormal); //build the other bitmaps
m_dOver.Clone(&m_dNormal);
m_dOver.BlendPalette(GetSysColor(COLOR_BTNHIGHLIGHT),highlight);
m_dDown.Clone(&m_dOver);
}
/////////////////////////////////////////////////////////////////////////////
COLORREF CxShadeButton::SetTextColor(COLORREF new_color)
{
COLORREF tmp_color=m_TextColor;
m_TextColor=new_color;
return tmp_color; //returns the previous color
}
/////////////////////////////////////////////////////////////////////////////
void CxShadeButton::SetToolTipText(CString s)
{
if(m_tooltip.m_hWnd==NULL){
if(m_tooltip.Create(this)) //first assignment
if(m_tooltip.AddTool(this, (LPCTSTR)s))
m_tooltip.Activate(1);
} else {
m_tooltip.UpdateTipText((LPCTSTR)s,this);
}
}
/////////////////////////////////////////////////////////////////////////////
void CxShadeButton::RelayEvent(UINT message, WPARAM wParam, LPARAM lParam)
{
// This function will create a MSG structure, fill it in a pass it to
// the ToolTip control, m_ttip. Note that we ensure the point is in window
// coordinates (relative to the control's window).
if(NULL != m_tooltip.m_hWnd){
MSG msg;
msg.hwnd = m_hWnd;
msg.message = message;
msg.wParam = wParam;
msg.lParam = lParam;
msg.time = 0;
msg.pt.x = LOWORD(lParam);
msg.pt.y = HIWORD(lParam);
m_tooltip.RelayEvent(&msg);
}
}
/////////////////////////////////////////////////////////////////////////////
//
//Method......: OnLButtonDblClk
//Class.......: CxShadeButton
//
//Author......: Milan Gardian
//Created.....: MAR-2001
//
//Return value: NONE
//Parameters..: Used only to be forwarded as WM_LBUTTONDOWN message parameters
//Exceptions..: NONE
//------------
//Description :
//
// > We do not care about doublelicks - handle this event
// like an ordinary left-button-down event
//
//---------------------------------------------------------
void CxShadeButton::OnLButtonDblClk(UINT flags, CPoint point)
{
SendMessage(WM_LBUTTONDOWN, flags, MAKELPARAM(point.x, point.y));
}
/////////////////////////////////////////////////////////////////////////////
//
//Method......: OnLButtonDown
//Class.......: CxShadeButton
//
//Author......: Milan Gardian
//Created.....: MAR-2001
//
//Return value: NONE
//Parameters..: As follows
// > [in] nFlags: not used
// > [in] point: coordinates of the mouse pointer when this event was spawned
//Exceptions..: NONE
//------------
//Description :
//
// > Handle event when left button is pressed down
//
//---------------------------------------------------------
void CxShadeButton::OnLButtonDown(UINT nFlags, CPoint point)
{
//TRACE("* %08X: down\n", ::GetTickCount());
//Pass this message to the ToolTip control
RelayEvent(WM_LBUTTONDOWN,(WPARAM)nFlags,MAKELPARAM(LOWORD(point.x),LOWORD(point.y)));
//If we are tracking this button, cancel it
if (m_tracking) {
TRACKMOUSEEVENT t = {
sizeof(TRACKMOUSEEVENT),
TME_CANCEL | TME_LEAVE,
m_hWnd,
0
};
if (::_TrackMouseEvent(&t)) {
m_tracking = false;
}
}
//Default-process the message
m_button_down = true;
CButton::OnLButtonDown(nFlags, point);
}
/////////////////////////////////////////////////////////////////////////////
//
//Method......: OnLButtonUp
//Class.......: CxShadeButton
//
//Author......: Milan Gardian
//Created.....: MAR-2001
//
//Return value: NONE
//Parameters..: As follows
// > [in] nFlags: not used
// > [in] point: coordinates of the mouse pointer when this event was spawned
//Exceptions..: NONE
//------------
//Description :
//
// > Handle event when left button is released (goes up)
//
//---------------------------------------------------------
void CxShadeButton::OnLButtonUp(UINT nFlags, CPoint point)
{
//TRACE("* %08X: up\n", ::GetTickCount());
//Pass this message to the ToolTip control
RelayEvent(WM_LBUTTONUP,(WPARAM)nFlags,MAKELPARAM(LOWORD(point.x),LOWORD(point.y)));
//Default-process the message
m_button_down = false;
CButton::OnLButtonUp(nFlags, point);
}
/////////////////////////////////////////////////////////////////////////////
//
//Method......: OnMouseMove
//Class.......: CxShadeButton
//
//Author......: Milan Gardian
//Created.....: MAR-2001
//
//Return value: NONE
//Parameters..: As follows
// > [in] nFlags: not used
// > [in] point: coordinates of the mouse pointer when this event was spawned
//Exceptions..: NONE
//------------
//Description :
//
// > Handle change of mouse position: see the comments in the
// method for further info.
//
//---------------------------------------------------------
void CxShadeButton::OnMouseMove(UINT nFlags, CPoint point)
{
//TRACE("* %08X: Mouse\n", ::GetTickCount());
//Pass this message to the ToolTip control
RelayEvent(WM_MOUSEMOVE,(WPARAM)nFlags,MAKELPARAM(LOWORD(point.x),LOWORD(point.y)));
//If we are in capture mode, button has been pressed down
//recently and not yet released - therefore check is we are
//actually over the button or somewhere else. If the mouse
//position changed considerably (e.g. we moved mouse pointer
//from the button to some other place outside button area)
//force the control to redraw
//
if ((m_button_down) && (::GetCapture() == m_hWnd)) {
POINT p2 = point;
::ClientToScreen(m_hWnd, &p2);
HWND mouse_wnd = ::WindowFromPoint(p2);
bool pressed = ((GetState() & BST_PUSHED) == BST_PUSHED);
bool need_pressed = (mouse_wnd == m_hWnd);
if (pressed != need_pressed) {
//TRACE("* %08X Redraw\n", GetTickCount());
SetState(need_pressed ? TRUE : FALSE);
Invalidate();
}
} else {
//Otherwise the button is released. That means we should
//know when we leave its area - and so if we are not tracking
//this mouse leave event yet, start now!
//
if (!m_tracking) {
TRACKMOUSEEVENT t = {
sizeof(TRACKMOUSEEVENT),
TME_LEAVE,
m_hWnd,
0
};
if (::_TrackMouseEvent(&t)) {
//TRACE("* Mouse enter\n");
m_tracking = true;
Invalidate();
}
}
}
//Forward this event to superclass
CButton::OnMouseMove(nFlags, point);
}
/////////////////////////////////////////////////////////////////////////////
//
//Method......: OnMouseLeave
//Class.......: CxShadeButton
//
//Author......: Milan Gardian
//Created.....: MAR-2001
//
//Return value: NULL
//Parameters..: NOT USED
//Exceptions..: NONE
//------------
//Description :
//
// > Handle situation when mouse cursor leaves area of this
// window (button). This event might be generated ONLY
// if we explicitely call 'TrackMouseEvent'. This is
// signalled by setting the m_tracking flag (see the assert
// precondition) - in 'OnMouseMove' method
//
// > When a mouse pointer leaves area of this button (i.e.
// when this method is invoked), presumably the look of
// the button changes (e.g. when hover/non-hover images are set)
// and therefore we force the control to redraw.
//
//---------------------------------------------------------
LRESULT CxShadeButton::OnMouseLeave(WPARAM, LPARAM)
{
ASSERT (m_tracking);
//TRACE("* Mouse leave\n");
m_tracking = false;
Invalidate();
return 0;
}
/////////////////////////////////////////////////////////////////////////////
//
//Method......: OnKillFocus
//Class.......: CxShadeButton
//
//Author......: Milan Gardian
//Created.....: MAR-2001
//
//Return value: NONE
//Parameters..: See superclass documentation
//Exceptions..: NONE
//------------
//Description :
//
// > If focus is killed during capture, we may no longer
// have the exclusive access to user input and therefore
// release it.
//
// > Such a situation might happens when the user left-clicks
// this button, keeps the button down and simultaneously
// presses TAB key.
//
//---------------------------------------------------------
void CxShadeButton::OnKillFocus(CWnd *new_wnd)
{
if (::GetCapture() == m_hWnd) {
::ReleaseCapture();
ASSERT (!m_tracking);
m_button_down = false;
}
CButton::OnKillFocus(new_wnd);
}
/////////////////////////////////////////////////////////////////////////////
//
//Method......: OnClicked
//Class.......: CxShadeButton
//
//Author......: Milan Gardian
//Created.....: MAR-2001
//
//Return value: FALSE (do not stop in this handler - forward to parent)
//Parameters..: NONE
//Exceptions..: NONE
//------------
//Description :
//
// > Keep consistency of attributes of this instance before
// submitting click event to the parent.
//
// > Currently NOT used. To use, umcomment line
// "ON_CONTROL_REFLECT_EX(BN_CLICKED, OnClicked)" in message map
// at the beginning of this file.
//
//---------------------------------------------------------
BOOL CxShadeButton::OnClicked()
{
if (::GetCapture() == m_hWnd) {
::ReleaseCapture();
ASSERT (!m_tracking);
}
m_button_down = false;
//Invalidate();
return FALSE;
}
//EOF