void MyDrawString(/*short dir,*/ short h, short v, char *s,Boolean framed,short selectMode)
{
Rect r;
if(sharedPrinting)selectMode = POINTDRAWFLAG;
if(strlen(s) >0)
{
GetTextOffsets(/*dir,*/s,&h,&v);
GetStringRect(s,h,v,&r);
if(selectMode == BADPOINTDRAWFLAG)selectMode = POINTDRAWFLAG;
if(selectMode == POINTDRAWFLAG)
{
EraseRect(&r);
MyMoveTo(h,v);
drawstring(s);
}
if(framed)
{
if(selectMode != POINTDRAWFLAG)
{
PenMode(patXor);PaintRect(&r);
}
PenMode(patCopy);
MyFrameRect(&r);
}
}
}
//Hook TextOutA的过程
DLLEXPORT BOOL WINAPI NHExtTextOutA(HDC hdc,
int X, //当前需要绘制的文本的起始位置
int Y,
UINT fuOptions,
CONST RECT *lprc,
LPCTSTR lpString,
UINT cbCount,
CONST INT *lpDx)
{
POINT pt;
HWND hWDC;
HWND hWPT;
DWORD dwThreadIdWithPoint = 0;
DWORD dwThreadIdCurr = 0;
// restore
RestoreWin32Api(&g_ExtTextOutAHook, HOOK_NEED_CHECK);
/*
if (cbCount != 0)
{
char cBuffer[0x100];
wsprintf(cBuffer, "-> NHExtTextOutA : %s (%s) (%d)\n", "start", lpString, cbCount);
OutputDebugString(cBuffer);
}
*/
//DbgFilePrintf("-> NHExtTextOutA : lpString(%s), cbCount(%d)\n", lpString, cbCount);
pt.x = g_CurMousePos.x;
pt.y = g_CurMousePos.y;
hWDC = WindowFromDC(hdc);
hWPT = WindowFromPoint(pt);
dwThreadIdWithPoint = GetWindowThreadProcessId(hWPT, NULL);
dwThreadIdCurr = GetCurrentThreadId();
if(dwThreadIdWithPoint == dwThreadIdCurr)
{
if (hWDC == NULL || hWPT == hWDC
|| IsParentOrSelf(hWPT, hWDC)
|| IsParentOrSelf(hWDC, hWPT))
{
if ((g_bAllowGetCurWord) && (!IsBadReadPtr(lpString, cbCount))
&& (cbCount > 0))
{
g_nTextAlign = GetTextAlign(hdc);
g_nExtra = GetTextCharacterExtra(hdc);
GetCurrentPositionEx(hdc, &g_CurPos);
GetTextMetrics(hdc, &g_tm);
g_dwDCOrg.x = 0;
g_dwDCOrg.y = 0;
bRecAllRect = FALSE;
//findword.c中的代码,取出当前字符的矩形范围
GetStringRect(hdc, (LPSTR)lpString, cbCount, X, Y,
&g_rcTotalRect, lpDx);
bRecAllRect = TRUE;
if ((WindowFromDC != NULL)&&(WindowFromDC(hdc) == NULL))
{
g_dwDCOrg.x = 0;
g_dwDCOrg.y = 0;
AddToTextOutBuffer(hdc, (LPSTR)lpString, cbCount,
X, Y, lpDx);
}
else
{
GetDCOrgEx(hdc, &g_dwDCOrg);
//findword.c中的代码,取出当前位置下的单词
GetCurMousePosWord(hdc, (LPSTR)lpString, cbCount,
X, Y, lpDx);
}
}
}
}
// call ExtTextOutA
ExtTextOutA(hdc, X, Y, fuOptions, lprc, lpString, cbCount, lpDx);
HookWin32Api(&g_ExtTextOutAHook, HOOK_NEED_CHECK);
return TRUE;
}
void FontRenderable::Render(const Mesh& mesh, ApplyShader& shader, const IResource* resource)
{
assert(resource != nullptr);
const Font* fnt = static_cast<const Font*>(resource->QueryInterface(ResourceType::Font));
assert("Invalid resource selected" && (fnt != nullptr));
// Text to be rendered
const char* str = text.c_str();
glm::vec3 oldPos = pos;
// If the text needs to be aligned to center or right
if (alignment != FontAlignment::Left)
{
Math::FRECT drawRect(glm::vec2(oldPos.x, oldPos.y));
GetStringRect(str, fnt, scale, alignment, drawRect);
oldPos.x = drawRect.topLeft.x;
}
// World pos of aligned text to be rendered
glm::vec3 posW = oldPos;
char prevChar = 0;
NormalizeScaling(fnt, scale);
shader->SetColor(color);
// Loop over the entire string
while (*str)
{
if (fnt->IsValidCharacter(*str))
{
if (!IsSpecialCharacter(*str))
{
// Font info about the character to draw
const CharDescriptor& charInfo = fnt->GetCharDescriptor(*str);
int kerningOffset = fnt->GetKerningPairOffset(prevChar, *str);
// Calculate position of text
glm::vec3 posTopLeft(posW.x + (charInfo.XOffset + kerningOffset) * scale, posW.y - charInfo.YOffset * scale, posW.z);
glm::vec3 posBottomRight(posTopLeft.x + charInfo.Width * scale, posTopLeft.y - charInfo.Height * scale, posW.z);
// Advance position after the current character
posW.x += charInfo.XAdvance * scale;
// Build transformation matrix to give to the shader
glm::mat4 T = glm::translate(glm::vec3((posTopLeft + posBottomRight) / 2.0f));
T = glm::scale(T, glm::vec3(glm::abs(posBottomRight - posTopLeft)));
// Give data to shader
shader->SetValue("transformation", T);
shader->SetValue("charInfo.pos", glm::vec2(charInfo.x, charInfo.y));
shader->SetValue("charInfo.size", glm::vec2(charInfo.Width, charInfo.Height));
// Render a single character of the string
mesh.Draw();
}
else
{
ProccessSpecialCharacter(*str, scale, fnt->GetLineHeight(), oldPos, posW);
}
prevChar = *str;
}
str++;
}
}
//Hook TextOutA的过程
DLLEXPORT BOOL WINAPI NHTextOutA(HDC hdc,
int nXStart,
int nYStart,
LPCTSTR lpString,
int cbString)
{
POINT pt;
HWND hWDC;
HWND hWPT;
DWORD dwThreadIdWithPoint = 0;
DWORD dwThreadIdCurr = 0;
/*
{
char cBuffer[0x100];
wsprintf(cBuffer, "-> NHTextOutA : %s\n", "start");
OutputDebugString(cBuffer);
}
*/
//DbgFilePrintf("-> NHTextOutA : lpString(%s), cbString(%d)\n", lpString, cbString);
// restore
RestoreWin32Api(&g_TextOutAHook, HOOK_NEED_CHECK);
//
pt.x = g_CurMousePos.x;
pt.y = g_CurMousePos.y;
hWDC = WindowFromDC(hdc); //Xianfeng:对方所在窗体句柄
hWPT = WindowFromPoint(pt); //Xianfeng:鼠标所在窗体句柄
dwThreadIdWithPoint = GetWindowThreadProcessId(hWPT, NULL); //Xianfeng:取得鼠标所在窗体线程ID
dwThreadIdCurr = GetCurrentThreadId(); //Xianfeng:取得当前线程ID
if(dwThreadIdWithPoint == dwThreadIdCurr)
{
if (hWDC == NULL
|| hWPT == hWDC
|| IsParentOrSelf(hWPT, hWDC)
|| IsParentOrSelf(hWDC, hWPT))
{
if ((g_bAllowGetCurWord)
&& (!IsBadReadPtr(lpString, cbString))
&& (cbString > 0))
{
g_nTextAlign = GetTextAlign(hdc); //Xianfeng:取得当前DC的文本对齐方式，在后面计算矩形用
g_nExtra = GetTextCharacterExtra(hdc); //Xianfeng:取得字符间空隙，单位估计是像素
GetCurrentPositionEx(hdc, &g_CurPos); //Xianfeng:取得当前DC的逻辑位置
GetTextMetrics(hdc, &g_tm); //Xianfeng:取得当前DC的font的基本信息
g_dwDCOrg.x = 0;
g_dwDCOrg.y = 0;
bRecAllRect = FALSE;
GetStringRect(hdc, (LPSTR)lpString, cbString, nXStart,
nYStart, &g_rcTotalRect, NULL);
bRecAllRect = TRUE;
if ((WindowFromDC != NULL)&&(WindowFromDC(hdc) == NULL))
{
g_dwDCOrg.x = 0;
g_dwDCOrg.y = 0;
//Xianfeng:保存输出字符信息到内存
AddToTextOutBuffer(hdc, (LPSTR)lpString, cbString,
nXStart, nYStart, NULL);
}
else
{
//Xianfeng:取回DC原点，通常的值是客户区左上角相对于窗体左上角的偏移量
GetDCOrgEx(hdc, &g_dwDCOrg);
//Xianfeng:获取当前鼠标下的字
GetCurMousePosWord(hdc, (LPSTR)lpString, cbString,
nXStart, nYStart, NULL);
}
}
}
}
// call TextOutA
TextOutA(hdc, nXStart, nYStart, lpString, cbString);
HookWin32Api(&g_TextOutAHook, HOOK_NEED_CHECK);
return TRUE;
}
BOOL WINAPI _export BLExtTextOut(HDC hDC,
int x,
int y,
UINT fuOpt,
const RECT FAR* lprc,
LPCSTR lpStr,
UINT cbLen,
int FAR* lpDx)
{
POINT pt ;
HWND hWDC ;
HWND hWPT ;
#ifdef _DEBUG
DbgPrintf("NhWSrh.DLL BLExtTextOut Begin");
DbgPrintf("NhWSrh.DLL BLExtTextOut hDC: %d, x: %d, y: %d, fuOpt: %d, cbLen: %d",
hDC,
x,
y,
fuOpt,
cbLen);
#endif
// restore the old textout.
RestoreWinApi(&g_ExtTextOutHook);
//Added by XGL, Nov 3rd, 1998
//We cannot get corret word with Explorer as background window
//in Windows98, so this situation must be dealt with.
pt.x = g_CurMousePos.x; pt.y = g_CurMousePos.y ;
hWDC = WindowFromDC(hDC) ;
hWPT = WindowFromPoint(pt) ;
if (hWDC == NULL || hWPT == hWDC
|| IsParentOrSelf(hWPT, hWDC)
|| IsParentOrSelf(hWDC, hWPT))
{
//Adding ends. XGL, Nov 3rd, 1998
if ((g_bAllowGetCurWord) && (!IsBadReadPtr(lpStr, cbLen)) && (cbLen > 0))
{
g_nTextAlign = GetTextAlign(hDC);
g_nExtra = GetTextCharacterExtra(hDC);
GetCurrentPositionEx(hDC, &g_CurPos);
GetTextMetrics(hDC, &g_tm);
///////////////////////////////////////////////////////////////////////////
// Modify by Yan/Gang 1997/11/18
// 用於修改在计算 TA_CENTER 情况的失误。
g_dwDCOrg = 0;
bRecAllRect = FALSE;
GetStringRect(hDC, (LPSTR)lpStr, cbLen, x, y, &g_rcTotalRect, lpDx);
bRecAllRect = TRUE;
// End Modify
///////////////////////////////////////////////////////////////////////////
if ((WindowFromDC != NULL)&&(WindowFromDC(hDC) == NULL))
{
#ifdef _DEBUG
DbgPrintf("NhWSrh.DLL BLTextOut WindowFromDC() == NULL");
DbgLPCSTR("NhWSrh.DLL BLTextOut: ", (LPSTR)lpStr, cbLen, TRUE);
#endif
// 赋零，用於避免MEMDC对串位置的影响·
g_dwDCOrg = 0;
AddToTextOutBuffer(hDC, (LPSTR)lpStr, cbLen, x, y, lpDx);
}
else
{
#ifdef _DEBUG
DbgPrintf("NhWSrh.DLL BLTextOut WindowFromDC() != NULL");
DbgLPCSTR("NhWSrh.DLL BLTextOut: ", (LPSTR)lpStr, cbLen, TRUE);
#endif
g_dwDCOrg = GetDCOrg(hDC);
GetCurMousePosWord(hDC, (LPSTR)lpStr, cbLen, x, y, lpDx);
}
}
else
{
#ifdef _DEBUG
DbgPrintf("NhWSrh.DLL BLExtTextOut ((!g_bAllowGetCurWord) || (IsBadReadPtr(lpStr, cbLen)) && (cbLen <= 0))");
if (!g_bAllowGetCurWord)
{
DbgPrintf("NhWSrh.DLL BLExtTextOut !g_bAllowGetCurWord");
}
if (IsBadReadPtr(lpStr, cbLen))
{
DbgPrintf("NhWSrh.DLL BLExtTextOut IsBadReadPtr()");
}
if (cbLen <= 0)
{
DbgPrintf("NhWSrh.DLL BLExtTextOut cbLen <= 0");
}
#endif
}
}
// call old textout.
ExtTextOut(hDC, x, y, fuOpt, lprc, lpStr, cbLen, lpDx);
HookWinApi(&g_ExtTextOutHook, ONLYHOOK);
#ifdef _DEBUG
DbgPrintf("NhWSrh.DLL BLExtTextOut End");
#endif
return (TRUE);
}
