/*==LICENSE==*
CyanWorlds . com Engine - MMOG client , server and tools
Copyright ( C ) 2011 Cyan Worlds , Inc .
This program is free software : you can redistribute it and / or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation , either version 3 of the License , or
( at your option ) any later version .
This program is distributed in the hope that it will be useful ,
but WITHOUT ANY WARRANTY ; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE . See the
GNU General Public License for more details .
You should have received a copy of the GNU General Public License
along with this program . If not , see < http : //www.gnu.org/licenses/>.
Additional permissions under GNU GPL version 3 section 7
If you modify this Program , or any covered work , by linking or
combining it with any of RAD Game Tools Bink SDK , Autodesk 3 ds Max SDK ,
NVIDIA PhysX SDK , Microsoft DirectX SDK , OpenSSL library , Independent
JPEG Group JPEG library , Microsoft Windows Media SDK , or Apple QuickTime SDK
( or a modified version of those libraries ) ,
containing parts covered by the terms of the Bink SDK EULA , 3 ds Max EULA ,
PhysX SDK EULA , DirectX SDK EULA , OpenSSL and SSLeay licenses , IJG
JPEG Library README , Windows Media SDK EULA , or QuickTime SDK EULA , the
licensors of this Program grant you additional
permission to convey the resulting work . Corresponding Source for a
non - source form of such a combination shall include the source code for
the parts of OpenSSL and IJG JPEG Library used as well as that of the covered
work .
You can contact Cyan Worlds , Inc . by email legal @ cyan . com
or by snail mail at :
Cyan Worlds , Inc .
14617 N Newport Hwy
Mead , WA 99021
* = = LICENSE = = */
///////////////////////////////////////////////////////////////////////////////
// //
// plDynSurfaceWriter Class Header //
// Abstract class wrapping around Windows GDI functionality for writing to //
// a generic RGBA surface. Allows us to create one writer per DTMap or a //
// single shared writer to conserve OS resources on 98/ME. //
// //
// Cyan, Inc. //
// //
//// Version History //////////////////////////////////////////////////////////
// //
// 10.28.2002 mcn - Created. //
// //
///////////////////////////////////////////////////////////////////////////////
# include "hsTypes.h"
# include "hsWindows.h"
# include "plDynSurfaceWriter.h"
# include "plDynamicTextMap.h"
# include "hsExceptions.h"
# include "hsUtils.h"
# include "hsMatrix44.h"
# include "plMessage/plDynamicTextMsg.h"
# include "pnKeyedObject/plKey.h"
# include "plProfile.h"
# include "plStatusLog/plStatusLog.h"
# include "plWinFontCache.h"
//// plWinSurface Helper Functions ////////////////////////////////////////////
# if HS_BUILD_FOR_WIN32
static UInt32 sNumDCsAllocated ;
static UInt32 sNumBitmapsAllocated ;
plDynSurfaceWriter : : plWinSurface : : plWinSurface ( )
{
fDC = nil ;
fBitmap = nil ;
fFont = nil ;
fBits = nil ;
fTextColor = RGB ( 255 , 255 , 255 ) ;
fWidth = fHeight = 0 ;
fSaveNum = 0 ;
fFontFace = nil ;
fFontSize = 0 ;
fFontFlags = 0 ;
fFontAntiAliasRGB = false ;
fFontBlockedRGB = false ;
}
plDynSurfaceWriter : : plWinSurface : : ~ plWinSurface ( )
{
Release ( ) ;
}
void plDynSurfaceWriter : : plWinSurface : : Allocate ( UInt16 w , UInt16 h )
{
int i ;
BITMAPINFO * bmi ;
Release ( ) ;
fWidth = w ;
fHeight = h ;
/// Initialize a bitmap info struct to describe our surface
if ( IBitsPerPixel ( ) = = 8 )
bmi = ( BITMAPINFO * ) ( TRACKED_NEW UInt8 [ sizeof ( BITMAPINFOHEADER ) + sizeof ( RGBQUAD ) * 256 ] ) ;
else
bmi = TRACKED_NEW BITMAPINFO ;
memset ( & bmi - > bmiHeader , 0 , sizeof ( BITMAPINFOHEADER ) ) ;
bmi - > bmiHeader . biSize = sizeof ( BITMAPINFOHEADER ) ;
bmi - > bmiHeader . biWidth = ( int ) fWidth ;
bmi - > bmiHeader . biHeight = - ( int ) fHeight ;
bmi - > bmiHeader . biPlanes = 1 ;
bmi - > bmiHeader . biCompression = BI_RGB ;
bmi - > bmiHeader . biBitCount = IBitsPerPixel ( ) ;
if ( IBitsPerPixel ( ) = = 8 )
{
// Set up map for grayscale bitmap
for ( i = 0 ; i < 256 ; i + + )
{
bmi - > bmiColors [ i ] . rgbRed = i ;
bmi - > bmiColors [ i ] . rgbGreen = i ;
bmi - > bmiColors [ i ] . rgbBlue = i ;
bmi - > bmiColors [ i ] . rgbReserved = i ;
}
}
/// Create a screen-compatible DC
fDC = CreateCompatibleDC ( nil ) ;
if ( fDC = = nil )
{
char msg [ 256 ] ;
FormatMessage ( FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS , nil , GetLastError ( ) , MAKELANGID ( LANG_NEUTRAL , SUBLANG_DEFAULT ) , msg , sizeof ( msg ) , nil ) ;
char * ret = strrchr ( msg , ' \n ' ) ;
if ( ret ! = nil )
* ret = 0 ;
plStatusLog : : AddLineS ( " pipeline.log " , 0xffff0000 , " Unable to allocate DC for dynamic text map (%s, %d DCs allocated already) " , msg , sNumDCsAllocated ) ;
if ( IBitsPerPixel ( ) = = 8 )
delete [ ] bmi ;
else
delete bmi ;
return ;
}
sNumDCsAllocated + + ;
/// Create a bitmap using the DC and the bitmapInfo struct we filled out
fBitmap = CreateDIBSection ( fDC , bmi , DIB_RGB_COLORS , ( void * * ) & fBits , nil , 0 ) ;
if ( fBitmap = = nil )
{
char msg [ 256 ] ;
FormatMessage ( FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS , nil , GetLastError ( ) , MAKELANGID ( LANG_NEUTRAL , SUBLANG_DEFAULT ) , msg , sizeof ( msg ) , nil ) ;
char * ret = strrchr ( msg , ' \n ' ) ;
if ( ret ! = nil )
* ret = 0 ;
plStatusLog : : AddLineS ( " pipeline.log " , 0xffff0000 , " Unable to allocate RGB DIB section for dynamic text map (%s, %d bitmaps allocated already) " , msg , sNumBitmapsAllocated ) ;
if ( IBitsPerPixel ( ) = = 8 )
delete [ ] bmi ;
else
delete bmi ;
return ;
}
sNumBitmapsAllocated + + ;
/// Set up some basic props
SetMapMode ( fDC , MM_TEXT ) ;
SetBkMode ( fDC , TRANSPARENT ) ;
SetTextAlign ( fDC , TA_TOP | TA_LEFT ) ;
fSaveNum = SaveDC ( fDC ) ;
SelectObject ( fDC , fBitmap ) ;
if ( IBitsPerPixel ( ) = = 8 )
delete [ ] bmi ;
else
delete bmi ;
}
void plDynSurfaceWriter : : plWinSurface : : Release ( void )
{
if ( fBitmap ! = nil )
sNumBitmapsAllocated - - ;
if ( fDC ! = nil )
sNumDCsAllocated - - ;
if ( fSaveNum ! = 0 )
RestoreDC ( fDC , fSaveNum ) ;
fSaveNum = 0 ;
DeleteObject ( fBitmap ) ;
DeleteDC ( fDC ) ;
fDC = nil ;
fBitmap = nil ;
fFont = nil ;
fBits = nil ;
fWidth = fHeight = 0 ;
delete [ ] fFontFace ;
fFontFace = nil ;
fFontSize = 0 ;
fFontFlags = 0 ;
fFontAntiAliasRGB = false ;
fFontBlockedRGB = false ;
}
hsBool plDynSurfaceWriter : : plWinSurface : : WillFit ( UInt16 w , UInt16 h )
{
if ( fWidth > = w & & fHeight > = h )
return true ;
return false ;
}
static int SafeStrCmp ( const char * str1 , const char * str2 )
{
if ( str1 = = nil & & str2 = = nil )
return - 1 ;
if ( str1 ! = nil & & str2 ! = nil )
return strcmp ( str1 , str2 ) ;
return - 1 ;
}
hsBool plDynSurfaceWriter : : plWinSurface : : FontMatches ( const char * face , UInt16 size , UInt8 flags , hsBool aaRGB )
{
if ( SafeStrCmp ( face , fFontFace ) = = 0 & & fFontSize = = size & &
fFontFlags = = flags & & fFontAntiAliasRGB = = aaRGB )
return true ;
return false ;
}
void plDynSurfaceWriter : : plWinSurface : : SetFont ( const char * face , UInt16 size , UInt8 flags , hsBool aaRGB )
{
delete [ ] fFontFace ;
fFontFace = ( face ! = nil ) ? hsStrcpy ( face ) : nil ;
fFontSize = size ;
fFontFlags = flags ;
fFontAntiAliasRGB = aaRGB ;
bool hadAFont = false ;
if ( fFont ! = nil )
{
hadAFont = true ;
plWinFontCache : : GetInstance ( ) . FreeFont ( fFont ) ;
fFont = nil ;
}
if ( face = = nil )
return ;
bool bold = ( fFontFlags & plDynSurfaceWriter : : kFontBold ) ? true : false ;
bool italic = ( fFontFlags & plDynSurfaceWriter : : kFontItalic ) ? true : false ;
int nHeight = - MulDiv ( size , GetDeviceCaps ( fDC , LOGPIXELSY ) , 72 ) ;
fFont = plWinFontCache : : GetInstance ( ) . GetMeAFont ( face , nHeight , bold ? FW_BOLD : FW_NORMAL , italic ,
fFontAntiAliasRGB ? ANTIALIASED_QUALITY : DEFAULT_QUALITY ) ;
if ( fFont = = nil & & fFontAntiAliasRGB )
{
static bool warnedCantAntiAlias = false ;
// Creation of font failed; could be that we can't do anti-aliasing? Try not doing it...
if ( ! warnedCantAntiAlias )
{
plStatusLog : : AddLineS ( " pipeline.log " , " WARNING: Cannot allocate anti-aliased font. Falling back to non-anti-aliased. This will be the only warning " ) ;
warnedCantAntiAlias = true ;
}
fFont = plWinFontCache : : GetInstance ( ) . GetMeAFont ( face , nHeight , bold ? FW_BOLD : FW_NORMAL , italic ,
fFontAntiAliasRGB ? ANTIALIASED_QUALITY : DEFAULT_QUALITY ) ;
}
if ( fFont = = nil )
{
hsAssert ( false , " Cannot create Windows font for plDynSurfaceWriter " ) ;
plStatusLog : : AddLineS ( " pipeline.log " , " ERROR: Cannot allocate font for RGB surface! (face: %s, size: %d %s %s) " , face , nHeight , bold ? " bold " : " " , italic ? " italic " : " " ) ;
delete [ ] fFontFace ;
fFontFace = nil ;
fFontSize = 0 ;
return ;
}
if ( SelectObject ( fDC , fFont ) = = nil & & hadAFont )
{
char msg [ 256 ] ;
FormatMessage ( FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS , nil , GetLastError ( ) , MAKELANGID ( LANG_NEUTRAL , SUBLANG_DEFAULT ) , msg , sizeof ( msg ) , nil ) ;
char * ret = strrchr ( msg , ' \n ' ) ;
if ( ret ! = nil )
* ret = 0 ;
plStatusLog : : AddLineS ( " pipeline.log " , 0xffff0000 , " SelectObject() FAILED (%s) " , msg ) ;
}
}
# endif // BUILD_FOR_WIN32
//// StupidStatic /////////////////////////////////////////////////////////////
hsBool plDynSurfaceWriter : : fForceSharedSurfaces = false ;
hsBool plDynSurfaceWriter : : fOSDetected = false ;
hsBool plDynSurfaceWriter : : fOSCanShareSurfaces = false ;
hsBool plDynSurfaceWriter : : CanHandleLotsOfThem ( void )
{
if ( fOSDetected )
return fOSCanShareSurfaces ;
fOSDetected = true ;
# if HS_BUILD_FOR_WIN32
OSVERSIONINFO versionInfo ;
memset ( & versionInfo , 0 , sizeof ( versionInfo ) ) ;
versionInfo . dwOSVersionInfoSize = sizeof ( versionInfo ) ;
if ( GetVersionEx ( & versionInfo ) )
{
plStatusLog : : AddLineS ( " pipeline.log " , " OS version detection results: " ) ;
plStatusLog : : AddLineS ( " pipeline.log " , " Version: %d.%d " , versionInfo . dwMajorVersion , versionInfo . dwMinorVersion ) ;
plStatusLog : : AddLineS ( " pipeline.log " , " Build #: %d " , versionInfo . dwBuildNumber ) ;
plStatusLog : : AddLineS ( " pipeline.log " , " Platform ID: %d " , versionInfo . dwPlatformId ) ;
if ( versionInfo . dwPlatformId = = VER_PLATFORM_WIN32_NT )
{
if ( fForceSharedSurfaces )
{
plStatusLog : : AddLineS ( " pipeline.log " , " Detected NT-based platform, but sharing surfaces due to override " ) ;
fOSCanShareSurfaces = false ;
}
else
{
plStatusLog : : AddLineS ( " pipeline.log " , " Detected NT-based platform, allowing separate surfaces " ) ;
fOSCanShareSurfaces = true ;
}
}
else
{
plStatusLog : : AddLineS ( " pipeline.log " , " Detected non-NT-based platform: sharing surfaces " ) ;
fOSCanShareSurfaces = false ;
}
}
else
{
plStatusLog : : AddLineS ( " pipeline.log " , " OS version detection failed " ) ;
fOSCanShareSurfaces = false ;
}
# endif
return fOSCanShareSurfaces ;
}
//// Constructor & Destructor /////////////////////////////////////////////////
plDynSurfaceWriter : : plDynSurfaceWriter ( )
{
IInit ( ) ;
}
plDynSurfaceWriter : : ~ plDynSurfaceWriter ( )
{
Reset ( ) ;
}
plDynSurfaceWriter : : plDynSurfaceWriter ( plDynamicTextMap * target , UInt32 flags )
{
IInit ( ) ;
fFlags = flags ;
SwitchTarget ( target ) ;
}
void plDynSurfaceWriter : : IInit ( void )
{
fCurrTarget = 0 ;
fJustify = kLeftJustify ;
fFlags = 0 ;
fFlushed = true ;
fFontFace = nil ;
fFontSize = 0 ;
fFontBlockedRGB = false ;
}
//// Reset ////////////////////////////////////////////////////////////////////
void plDynSurfaceWriter : : Reset ( void )
{
# if HS_BUILD_FOR_WIN32
fRGBSurface . Release ( ) ;
fAlphaSurface . Release ( ) ;
# endif
fCurrTarget = nil ;
fFlushed = true ;
delete [ ] fFontFace ;
fFontFace = nil ;
fFontSize = 0 ;
}
///////////////////////////////////////////////////////////////////////////////
//// Target Switching /////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
//// FlushToTarget ////////////////////////////////////////////////////////////
// Flushes all ops to the target.
void plDynSurfaceWriter : : FlushToTarget ( void )
{
int x , y ;
if ( fCurrTarget ! = nil & & ! fFlushed )
{
# if HS_BUILD_FOR_WIN32
// Flush the GDI so we can grab the bits
GdiFlush ( ) ;
UInt32 * destBits = ( UInt32 * ) fCurrTarget - > GetImage ( ) ;
// Are we merging in the alpha bits?
if ( fFlags & kSupportAlpha )
{
// Yup, munge 'em
UInt32 * srcRGBBits = fRGBSurface . GetBits ( ) ;
UInt8 * srcAlphaBits = fAlphaSurface . GetBits ( ) ;
UInt32 destWidth = fCurrTarget - > GetWidth ( ) ;
for ( y = 0 ; y < fCurrTarget - > GetHeight ( ) ; y + + )
{
for ( x = 0 ; x < destWidth ; x + + )
destBits [ x ] = ( srcRGBBits [ x ] & 0x00ffffff ) | ( ( UInt32 ) srcAlphaBits [ x ] < < 24 ) ;
destBits + = destWidth ;
srcRGBBits + = fRGBSurface . fWidth ;
srcAlphaBits + = fAlphaSurface . fWidth ;
}
}
else
{
// Nope, just a 24-bit copy and set alphas to ff
UInt32 * srcBits = fRGBSurface . GetBits ( ) ;
UInt32 destWidth = fCurrTarget - > GetWidth ( ) ;
for ( y = 0 ; y < fCurrTarget - > GetHeight ( ) ; y + + )
{
memcpy ( destBits , srcBits , destWidth * sizeof ( UInt32 ) ) ;
// Fill in 0xff
for ( x = 0 ; x < destWidth ; x + + )
destBits [ x ] | = 0xff000000 ;
destBits + = destWidth ;
srcBits + = fRGBSurface . fWidth ;
}
}
# endif
}
fFlushed = true ;
}
//// SwitchTarget /////////////////////////////////////////////////////////////
// Switches targets. Will flush to old target before switching. Also, if
// kDiscard isn't specified, will copy contents of new target to working
// surface.
void plDynSurfaceWriter : : SwitchTarget ( plDynamicTextMap * target )
{
if ( target = = fCurrTarget )
return ;
if ( ! fFlushed )
FlushToTarget ( ) ;
fCurrTarget = target ;
fFlushed = true ; // Will force a copy next IEnsureSurfaceUpdated()
// Make sure our surfaces fit
bool hadToAllocate = false ;
# if HS_BUILD_FOR_WIN32
if ( target ! = nil )
{
if ( ! fRGBSurface . WillFit ( ( UInt16 ) ( target - > GetWidth ( ) ) , ( UInt16 ) ( target - > GetHeight ( ) ) ) )
{
fRGBSurface . Allocate ( ( UInt16 ) ( target - > GetWidth ( ) ) , ( UInt16 ) ( target - > GetHeight ( ) ) ) ;
hadToAllocate = true ;
}
if ( fFlags & kSupportAlpha )
{
if ( ! fAlphaSurface . WillFit ( ( UInt16 ) ( target - > GetWidth ( ) ) , ( UInt16 ) ( target - > GetHeight ( ) ) ) )
{
fAlphaSurface . Allocate ( ( UInt16 ) ( target - > GetWidth ( ) ) , ( UInt16 ) ( target - > GetHeight ( ) ) ) ;
hadToAllocate = true ;
}
}
}
else
{
fRGBSurface . Release ( ) ;
fAlphaSurface . Release ( ) ;
hadToAllocate = true ;
}
# endif
if ( hadToAllocate )
{
delete [ ] fFontFace ;
fFontFace = nil ;
fFontSize = 0 ;
fFontFlags = 0 ;
}
}
//// IEnsureSurfaceUpdated ////////////////////////////////////////////////////
// Makes sure our surfaces are ready to write to.
void plDynSurfaceWriter : : IEnsureSurfaceUpdated ( void )
{
UInt32 x , y ;
// If we're flushed, then we haven't drawn since the last flush,
// which means we want to copy from our target before we start drawing.
// If we've already drawn, then we won't be flushed and we don't want
// to be copying over what we've already drawn
if ( fCurrTarget ! = nil & & fFlushed )
{
UInt32 * srcBits = ( UInt32 * ) fCurrTarget - > GetImage ( ) ;
# if HS_BUILD_FOR_WIN32
// Are we merging in the alpha bits?
if ( fFlags & kSupportAlpha )
{
// Yup, de-munge 'em
UInt32 * destRGBBits = fRGBSurface . GetBits ( ) ;
UInt8 * destAlphaBits = fAlphaSurface . GetBits ( ) ;
UInt32 srcWidth = fCurrTarget - > GetWidth ( ) ;
for ( y = 0 ; y < fCurrTarget - > GetHeight ( ) ; y + + )
{
for ( x = 0 ; x < srcWidth ; x + + )
{
destRGBBits [ x ] = srcBits [ x ] ; // Windows GDI probably doesn't care about the alpha bits here. Hopefully...
destAlphaBits [ x ] = ( UInt8 ) ( srcBits [ x ] > > 24 ) ;
}
srcBits + = srcWidth ;
destRGBBits + = fRGBSurface . fWidth ;
destAlphaBits + = fAlphaSurface . fWidth ;
}
}
else
{
// Nope, just do a straight memcopy
UInt32 * destBits = fRGBSurface . GetBits ( ) ;
UInt32 srcWidth = fCurrTarget - > GetWidth ( ) ;
for ( y = 0 ; y < fCurrTarget - > GetHeight ( ) ; y + + )
{
memcpy ( destBits , srcBits , srcWidth * sizeof ( UInt32 ) ) ;
srcBits + = srcWidth ;
destBits + = fRGBSurface . fWidth ;
}
}
# endif
// ALSO, we need to re-update our settings, since different targets
// can have different fonts or justifications
ISetFont ( fCurrTarget - > GetFontFace ( ) , fCurrTarget - > GetFontSize ( ) , 0 /*fCurrTarget->GetWriterFontFlags()*/ , fCurrTarget - > GetFontAARGB ( ) ) ;
SetJustify ( ( Justify ) fCurrTarget - > GetFontJustify ( ) ) ;
hsColorRGBA col = fCurrTarget - > GetFontColor ( ) ;
ISetTextColor ( col , fCurrTarget - > GetFontBlockRGB ( ) ) ;
fFlushed = false ;
}
}
hsBool plDynSurfaceWriter : : IsValid ( void ) const
{
if ( fCurrTarget = = nil )
return false ;
# if HS_BUILD_FOR_WIN32
if ( fRGBSurface . fDC = = nil | | fRGBSurface . fBitmap = = nil )
return false ;
if ( ( fFlags & kSupportAlpha ) & & ( fAlphaSurface . fDC = = nil | | fAlphaSurface . fBitmap = = nil ) )
return false ;
# endif
return true ;
}
///////////////////////////////////////////////////////////////////////////////
//// Rendering Functions //////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
//// SetBitsFromBuffer ////////////////////////////////////////////////////////
/*
void plDynSurfaceWriter : : SetBitsFromBuffer ( UInt32 * clearBuffer , UInt16 width , UInt16 height )
{
int x , y ;
UInt32 * data = ( UInt32 * ) fImage , * srcData = clearBuffer ;
UInt8 * destAlpha = nil ;
if ( ! IsValid ( ) )
return ;
# if HS_BUILD_FOR_WIN32
GdiFlush ( ) ;
# endif
// Clear *all* to zero
memset ( data , 0 , fWidth * fHeight * sizeof ( UInt32 ) ) ;
if ( fHasAlpha )
{
# if HS_BUILD_FOR_WIN32
memset ( fWinAlphaBits , 0 , fWidth * fHeight ) ;
destAlpha = fWinAlphaBits ;
# endif
}
// Buffer is of size fVisWidth x fVisHeight, so we need a bit of work to do this right
for ( y = 0 ; y < fVisHeight ; y + + )
{
for ( x = 0 ; x < fVisWidth ; x + + )
{
data [ x ] = srcData [ x ] ;
}
if ( destAlpha ! = nil )
{
for ( x = 0 ; x < fVisWidth ; x + + )
destAlpha [ x ] = srcData [ x ] > > 24 ;
destAlpha + = fWidth ;
}
data + = fWidth ;
srcData + = fVisWidth ;
}
}
*/
//// ClearToColor /////////////////////////////////////////////////////////////
void plDynSurfaceWriter : : ClearToColor ( hsColorRGBA & color )
{
if ( ! IsValid ( ) )
return ;
IEnsureSurfaceUpdated ( ) ;
# if HS_BUILD_FOR_WIN32
UInt32 i , hexColor = color . ToARGB32 ( ) ;
// Flush the GDI first, so it doesn't decide to overwrite us later
GdiFlush ( ) ;
UInt32 * rgbBits = fRGBSurface . GetBits ( ) ;
for ( i = 0 ; i < fRGBSurface . fWidth * fRGBSurface . fHeight ; i + + )
rgbBits [ i ] = hexColor ;
if ( fFlags & kSupportAlpha )
{
UInt8 * alphaBits = fAlphaSurface . GetBits ( ) , alpha = ( UInt8 ) ( hexColor > > 24 ) ;
for ( i = 0 ; i < fAlphaSurface . fWidth * fAlphaSurface . fHeight ; i + + )
alphaBits [ i ] = alpha ;
}
# endif
}
//// SetFont //////////////////////////////////////////////////////////////////
// OS-specific. Load the given font for drawing the text with.
void plDynSurfaceWriter : : SetFont ( const char * face , UInt16 size , UInt8 fontFlags , hsBool antiAliasRGB )
{
if ( ! IsValid ( ) )
return ;
IEnsureSurfaceUpdated ( ) ;
ISetFont ( face , size , fontFlags , antiAliasRGB ) ;
}
//// ISetFont /////////////////////////////////////////////////////////////////
void plDynSurfaceWriter : : ISetFont ( const char * face , UInt16 size , UInt8 fontFlags , hsBool antiAliasRGB )
{
fFlags = ( fFlags & ~ kFontShadowed ) | ( fontFlags & kFontShadowed ) ;
# if HS_BUILD_FOR_WIN32
if ( ! fRGBSurface . FontMatches ( face , size , fontFlags , antiAliasRGB ) )
fRGBSurface . SetFont ( face , size , fontFlags , antiAliasRGB ) ;
if ( fFlags & kSupportAlpha )
{
if ( ! fAlphaSurface . FontMatches ( face , size , fontFlags , ! antiAliasRGB ) )
fAlphaSurface . SetFont ( face , size , fontFlags , ! antiAliasRGB ) ;
}
# endif
}
//// SetTextColor /////////////////////////////////////////////////////////////
// blockRGB basically forces the RGB channel to write in blocks instead of
// actual characters. This isn't useful unless you're relying on the alpha
// channel to do the text (opaque text and transparent background), in which
// case you want plenty of block color in your RGB channel because it'll get
// alpha-ed out by the alpha channel.
void plDynSurfaceWriter : : SetTextColor ( hsColorRGBA & color , hsBool blockRGB )
{
if ( ! IsValid ( ) )
return ;
IEnsureSurfaceUpdated ( ) ;
ISetTextColor ( color , blockRGB ) ;
}
//// IRefreshTextColor ////////////////////////////////////////////////////////
void plDynSurfaceWriter : : ISetTextColor ( hsColorRGBA & color , hsBool blockRGB )
{
# if HS_BUILD_FOR_WIN32
int r = ( int ) ( color . r * 255.f ) ;
int g = ( int ) ( color . g * 255.f ) ;
int b = ( int ) ( color . b * 255.f ) ;
fRGBSurface . fTextColor = RGB ( r , g , b ) ;
if ( fFlags & kSupportAlpha )
{
int a = ( int ) ( color . a * 255.f ) ;
fAlphaSurface . fTextColor = RGB ( a , a , a ) ;
}
fFontBlockedRGB = blockRGB ;
if ( fFontBlockedRGB & & ! ( fFlags & kFontShadowed ) )
{
: : SetBkColor ( fRGBSurface . fDC , fRGBSurface . fTextColor ) ;
: : SetBkMode ( fRGBSurface . fDC , OPAQUE ) ;
}
else
: : SetBkMode ( fRGBSurface . fDC , TRANSPARENT ) ;
: : SetTextColor ( fRGBSurface . fDC , fRGBSurface . fTextColor ) ;
if ( fFlags & kSupportAlpha )
: : SetTextColor ( fAlphaSurface . fDC , fAlphaSurface . fTextColor ) ;
# endif
}
//// SetJustify ///////////////////////////////////////////////////////////////
void plDynSurfaceWriter : : SetJustify ( Justify j )
{
fJustify = j ;
}
//// IRefreshOSJustify ////////////////////////////////////////////////////////
void plDynSurfaceWriter : : IRefreshOSJustify ( void )
{
if ( ! IsValid ( ) )
return ;
# if HS_BUILD_FOR_WIN32
UInt32 justMode ;
switch ( fJustify )
{
case kLeftJustify : justMode = TA_LEFT ; break ;
case kCenter : justMode = TA_CENTER ; break ;
case kRightJustify : justMode = TA_RIGHT ; break ;
}
: : SetTextAlign ( fRGBSurface . fDC , justMode ) ;
if ( fFlags & kSupportAlpha )
: : SetTextAlign ( fAlphaSurface . fDC , justMode ) ;
# endif
}
//// DrawString ///////////////////////////////////////////////////////////////
void plDynSurfaceWriter : : DrawString ( UInt16 x , UInt16 y , const char * text )
{
if ( ! IsValid ( ) )
return ;
IEnsureSurfaceUpdated ( ) ;
IRefreshOSJustify ( ) ;
# if HS_BUILD_FOR_WIN32
if ( fFlags & kFontShadowed )
{
: : SetTextColor ( fRGBSurface . fDC , RGB ( 0 , 0 , 0 ) ) ;
: : TextOut ( fRGBSurface . fDC , x + 1 , y + 1 , text , strlen ( text ) ) ;
: : SetTextColor ( fRGBSurface . fDC , fRGBSurface . fTextColor ) ;
: : TextOut ( fRGBSurface . fDC , x , y , text , strlen ( text ) ) ;
if ( fFlags & kSupportAlpha )
{
: : TextOut ( fAlphaSurface . fDC , x + 1 , y + 1 , text , strlen ( text ) ) ;
: : TextOut ( fAlphaSurface . fDC , x , y , text , strlen ( text ) ) ;
}
}
else
{
: : TextOut ( fRGBSurface . fDC , x , y , text , strlen ( text ) ) ;
if ( fFlags & kSupportAlpha )
: : TextOut ( fAlphaSurface . fDC , x , y , text , strlen ( text ) ) ;
}
# endif
}
//// DrawClippedString ////////////////////////////////////////////////////////
void plDynSurfaceWriter : : DrawClippedString ( Int16 x , Int16 y , const char * text , UInt16 width , UInt16 height )
{
if ( ! IsValid ( ) )
return ;
IEnsureSurfaceUpdated ( ) ;
IRefreshOSJustify ( ) ;
# if HS_BUILD_FOR_WIN32
RECT r ;
: : SetRect ( & r , x , y , x + width , y + height ) ;
if ( fJustify = = kRightJustify )
x + = width - 1 ;
else if ( fJustify = = kCenter )
x + = width > > 1 ;
if ( fFlags & kFontShadowed )
{
: : SetTextColor ( fRGBSurface . fDC , RGB ( 0 , 0 , 0 ) ) ;
: : OffsetRect ( & r , 1 , 1 ) ;
: : ExtTextOut ( fRGBSurface . fDC , x + 1 , y + 1 , ETO_CLIPPED , & r , text , strlen ( text ) , nil ) ;
if ( fFlags & kSupportAlpha )
: : ExtTextOut ( fAlphaSurface . fDC , x + 1 , y + 1 , ETO_CLIPPED , & r , text , strlen ( text ) , nil ) ;
: : OffsetRect ( & r , - 1 , - 1 ) ;
: : SetTextColor ( fRGBSurface . fDC , fRGBSurface . fTextColor ) ;
}
: : ExtTextOut ( fRGBSurface . fDC , x , y , ETO_CLIPPED , & r , text , strlen ( text ) , nil ) ;
if ( fFlags & kSupportAlpha )
: : ExtTextOut ( fAlphaSurface . fDC , x , y , ETO_CLIPPED , & r , text , strlen ( text ) , nil ) ;
# endif
}
//// DrawClippedString ////////////////////////////////////////////////////////
void plDynSurfaceWriter : : DrawClippedString ( Int16 x , Int16 y , const char * text , UInt16 clipX , UInt16 clipY , UInt16 width , UInt16 height )
{
if ( ! IsValid ( ) )
return ;
IEnsureSurfaceUpdated ( ) ;
IRefreshOSJustify ( ) ;
# if HS_BUILD_FOR_WIN32
RECT r ;
: : SetRect ( & r , clipX , clipY , clipX + width , clipY + height ) ;
if ( fFlags & kFontShadowed )
{
: : SetTextColor ( fRGBSurface . fDC , RGB ( 0 , 0 , 0 ) ) ;
: : OffsetRect ( & r , 1 , 1 ) ;
: : ExtTextOut ( fRGBSurface . fDC , x + 1 , y + 1 , ETO_CLIPPED , & r , text , strlen ( text ) , nil ) ;
if ( fFlags & kSupportAlpha )
: : ExtTextOut ( fAlphaSurface . fDC , x + 1 , y + 1 , ETO_CLIPPED , & r , text , strlen ( text ) , nil ) ;
: : OffsetRect ( & r , - 1 , - 1 ) ;
: : SetTextColor ( fRGBSurface . fDC , fRGBSurface . fTextColor ) ;
}
: : ExtTextOut ( fRGBSurface . fDC , x , y , ETO_CLIPPED , & r , text , strlen ( text ) , nil ) ;
if ( fFlags & kSupportAlpha )
: : ExtTextOut ( fAlphaSurface . fDC , x , y , ETO_CLIPPED , & r , text , strlen ( text ) , nil ) ;
# endif
}
//// DrawWrappedString ////////////////////////////////////////////////////////
void plDynSurfaceWriter : : DrawWrappedString ( UInt16 x , UInt16 y , const char * text , UInt16 width , UInt16 height )
{
if ( ! IsValid ( ) )
return ;
IEnsureSurfaceUpdated ( ) ;
# if HS_BUILD_FOR_WIN32
RECT r ;
: : SetRect ( & r , x , y , x + width , y + height ) ;
UINT format = DT_TOP | DT_NOPREFIX | DT_WORDBREAK ;
switch ( fJustify )
{
case kLeftJustify : format | = DT_LEFT ; break ;
case kCenter : format | = DT_CENTER ; break ;
case kRightJustify : format | = DT_RIGHT ; break ;
}
if ( fFlags & kFontShadowed )
{
: : SetTextColor ( fRGBSurface . fDC , RGB ( 0 , 0 , 0 ) ) ;
: : OffsetRect ( & r , 1 , 1 ) ;
: : DrawText ( fRGBSurface . fDC , text , strlen ( text ) , & r , format ) ;
if ( fFlags & kSupportAlpha )
: : DrawText ( fAlphaSurface . fDC , text , strlen ( text ) , & r , format ) ;
: : OffsetRect ( & r , - 1 , - 1 ) ;
: : SetTextColor ( fRGBSurface . fDC , fRGBSurface . fTextColor ) ;
}
: : DrawText ( fRGBSurface . fDC , text , strlen ( text ) , & r , format ) ;
if ( fFlags & kSupportAlpha )
: : DrawText ( fAlphaSurface . fDC , text , strlen ( text ) , & r , format ) ;
# endif
}
//// CalcStringWidth //////////////////////////////////////////////////////////
UInt16 plDynSurfaceWriter : : CalcStringWidth ( const char * text , UInt16 * height )
{
if ( ! IsValid ( ) )
return 0 ;
IEnsureSurfaceUpdated ( ) ;
# if HS_BUILD_FOR_WIN32
SIZE size ;
: : GetTextExtentPoint32 ( fRGBSurface . fDC , text , strlen ( text ) , & size ) ;
if ( height ! = nil )
* height = ( UInt16 ) size . cy ;
return ( UInt16 ) size . cx ;
# endif
}
//// CalcWrappedStringSize ////////////////////////////////////////////////////
void plDynSurfaceWriter : : CalcWrappedStringSize ( const char * text , UInt16 * width , UInt16 * height )
{
if ( ! IsValid ( ) )
return ;
IEnsureSurfaceUpdated ( ) ;
# if HS_BUILD_FOR_WIN32
RECT r ;
: : SetRect ( & r , 0 , 0 , * width , 0 ) ;
UINT format = DT_TOP | DT_NOPREFIX | DT_WORDBREAK | DT_CALCRECT ;
switch ( fJustify )
{
case kLeftJustify : format | = DT_LEFT ; break ;
case kCenter : format | = DT_CENTER ; break ;
case kRightJustify : format | = DT_RIGHT ; break ;
}
: : DrawText ( fRGBSurface . fDC , text , strlen ( text ) , & r , format ) ;
* width = ( UInt16 ) ( r . right ) ;
if ( height ! = nil )
* height = ( UInt16 ) r . bottom ;
# endif
}
//// FillRect /////////////////////////////////////////////////////////////////
void plDynSurfaceWriter : : FillRect ( UInt16 x , UInt16 y , UInt16 width , UInt16 height , hsColorRGBA & color )
{
if ( ! IsValid ( ) )
return ;
IEnsureSurfaceUpdated ( ) ;
# if HS_BUILD_FOR_WIN32
RECT rc ;
: : SetRect ( & rc , x , y , x + width , y + height ) ;
int r = ( int ) ( color . r * 255.f ) ;
int g = ( int ) ( color . g * 255.f ) ;
int b = ( int ) ( color . b * 255.f ) ;
int a = ( int ) ( color . a * 255.f ) ;
HBRUSH brush = : : CreateSolidBrush ( RGB ( r , g , b ) ) ;
: : FillRect ( fRGBSurface . fDC , & rc , brush ) ;
: : DeleteObject ( brush ) ;
if ( fFlags & kSupportAlpha )
{
brush = : : CreateSolidBrush ( RGB ( a , a , a ) ) ;
: : FillRect ( fAlphaSurface . fDC , & rc , brush ) ;
: : DeleteObject ( brush ) ;
}
# endif
}
//// FrameRect ////////////////////////////////////////////////////////////////
void plDynSurfaceWriter : : FrameRect ( UInt16 x , UInt16 y , UInt16 width , UInt16 height , hsColorRGBA & color )
{
if ( ! IsValid ( ) )
return ;
IEnsureSurfaceUpdated ( ) ;
# if HS_BUILD_FOR_WIN32
RECT rc ;
: : SetRect ( & rc , x , y , x + width , y + height ) ;
int r = ( int ) ( color . r * 255.f ) ;
int g = ( int ) ( color . g * 255.f ) ;
int b = ( int ) ( color . b * 255.f ) ;
int a = ( int ) ( color . a * 255.f ) ;
HBRUSH brush = : : CreateSolidBrush ( RGB ( r , g , b ) ) ;
: : FrameRect ( fRGBSurface . fDC , & rc , brush ) ;
: : DeleteObject ( brush ) ;
if ( fFlags & kSupportAlpha )
{
brush = : : CreateSolidBrush ( RGB ( a , a , a ) ) ;
: : FrameRect ( fAlphaSurface . fDC , & rc , brush ) ;
: : DeleteObject ( brush ) ;
}
# endif
}
/*
//// DrawImage ////////////////////////////////////////////////////////////////
void plDynSurfaceWriter : : DrawImage ( UInt16 x , UInt16 y , plMipmap * image , hsBool respectAlpha )
{
if ( ! IsValid ( ) )
return ;
# if HS_BUILD_FOR_WIN32
// Flush the GDI first, to make sure it's done
GdiFlush ( ) ;
# endif
plMipmap : : CompositeOptions opts ( respectAlpha ? 0 : plMipmap : : kForceOpaque ) ;
if ( ! fHasAlpha )
opts . fFlags = plMipmap : : kCopySrcAlpha ; // Don't care, this is fastest
Composite ( image , x , y , & opts ) ;
/// HACK for now, since the alpha in the mipmap gets copied straight into the
/// 32-bit color buffer, but our separate hacked alpha buffer hasn't been updated
if ( fHasAlpha & & ! respectAlpha )
{
HBRUSH brush = : : CreateSolidBrush ( RGB ( 255 , 255 , 255 ) ) ;
RECT rc ;
: : SetRect ( & rc , x , y , x + image - > GetWidth ( ) , y + image - > GetHeight ( ) ) ;
: : FillRect ( fWinAlphaDC , & rc , brush ) ;
: : DeleteObject ( brush ) ;
}
}
//// DrawClippedImage /////////////////////////////////////////////////////////
void plDynSurfaceWriter : : DrawClippedImage ( UInt16 x , UInt16 y , plMipmap * image ,
UInt16 srcClipX , UInt16 srcClipY ,
UInt16 srcClipWidth , UInt16 srcClipHeight ,
hsBool respectAlpha )
{
if ( ! IsValid ( ) )
return ;
# if HS_BUILD_FOR_WIN32
// Flush the GDI first, to make sure it's done
GdiFlush ( ) ;
# endif
plMipmap : : CompositeOptions opts ( respectAlpha ? 0 : plMipmap : : kForceOpaque ) ;
if ( ! fHasAlpha )
opts . fFlags = plMipmap : : kCopySrcAlpha ; // Don't care, this is fastest
opts . fSrcClipX = srcClipX ;
opts . fSrcClipY = srcClipY ;
opts . fSrcClipWidth = srcClipWidth ;
opts . fSrcClipHeight = srcClipHeight ;
Composite ( image , x , y , & opts ) ;
/// HACK for now, since the alpha in the mipmap gets copied straight into the
/// 32-bit color buffer, but our separate hacked alpha buffer hasn't been updated
if ( fHasAlpha & & ! respectAlpha )
{
HBRUSH brush = : : CreateSolidBrush ( RGB ( 255 , 255 , 255 ) ) ;
RECT rc ;
: : SetRect ( & rc , x , y , x + ( srcClipWidth > 0 ? srcClipWidth : image - > GetWidth ( ) ) ,
y + ( srcClipHeight > 0 ? srcClipHeight : image - > GetHeight ( ) ) ) ;
: : FillRect ( fWinAlphaDC , & rc , brush ) ;
: : DeleteObject ( brush ) ;
}
}
*/