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Sweden-Number/objects/gdiobj.c

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/*
* GDI functions
*
* Copyright 1993 Alexandre Julliard
*/
#include "config.h"
#include <assert.h>
#include <stdlib.h>
#include <stdio.h>
#include "windef.h"
#include "wingdi.h"
#include "winreg.h"
#include "winerror.h"
#include "wine/winbase16.h"
#include "bitmap.h"
#include "brush.h"
#include "font.h"
#include "heap.h"
#include "local.h"
#include "palette.h"
#include "pen.h"
#include "region.h"
#include "debugtools.h"
#include "gdi.h"
DEFAULT_DEBUG_CHANNEL(gdi);
/***********************************************************************
* GDI stock objects
*/
static BRUSHOBJ WhiteBrush =
{
{ 0, BRUSH_MAGIC, 1 }, /* header */
{ BS_SOLID, RGB(255,255,255), 0 } /* logbrush */
};
static BRUSHOBJ LtGrayBrush =
{
{ 0, BRUSH_MAGIC, 1 }, /* header */
/* FIXME : this should perhaps be BS_HATCHED, at least for 1 bitperpixel */
{ BS_SOLID, RGB(192,192,192), 0 } /* logbrush */
};
static BRUSHOBJ GrayBrush =
{
{ 0, BRUSH_MAGIC, 1 }, /* header */
/* FIXME : this should perhaps be BS_HATCHED, at least for 1 bitperpixel */
{ BS_SOLID, RGB(128,128,128), 0 } /* logbrush */
};
static BRUSHOBJ DkGrayBrush =
{
{ 0, BRUSH_MAGIC, 1 }, /* header */
/* This is BS_HATCHED, for 1 bitperpixel. This makes the spray work in pbrush */
/* NB_HATCH_STYLES is an index into HatchBrushes */
{ BS_HATCHED, RGB(0,0,0), NB_HATCH_STYLES } /* logbrush */
};
static BRUSHOBJ BlackBrush =
{
{ 0, BRUSH_MAGIC, 1 }, /* header */
{ BS_SOLID, RGB(0,0,0), 0 } /* logbrush */
};
static BRUSHOBJ NullBrush =
{
{ 0, BRUSH_MAGIC, 1 }, /* header */
{ BS_NULL, 0, 0 } /* logbrush */
};
static PENOBJ WhitePen =
{
{ 0, PEN_MAGIC, 1 }, /* header */
{ PS_SOLID, { 0, 0 }, RGB(255,255,255) } /* logpen */
};
static PENOBJ BlackPen =
{
{ 0, PEN_MAGIC, 1 }, /* header */
{ PS_SOLID, { 0, 0 }, RGB(0,0,0) } /* logpen */
};
static PENOBJ NullPen =
{
{ 0, PEN_MAGIC, 1 }, /* header */
{ PS_NULL, { 0, 0 }, 0 } /* logpen */
};
static FONTOBJ OEMFixedFont =
{
{ 0, FONT_MAGIC, 1 }, /* header */
{ 0, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, OEM_CHARSET,
0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN, {'\0'} }
};
static FONTOBJ AnsiFixedFont =
{
{ 0, FONT_MAGIC, 1 }, /* header */
{ 0, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, ANSI_CHARSET,
0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN, {'\0'} }
};
static FONTOBJ AnsiVarFont =
{
{ 0, FONT_MAGIC, 1 }, /* header */
{ 0, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, ANSI_CHARSET,
0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
{'M','S',' ','S','a','n','s',' ','S','e','r','i','f','\0'} }
};
static FONTOBJ SystemFont =
{
{ 0, FONT_MAGIC, 1 },
{ 0, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, ANSI_CHARSET,
0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
{'S','y','s','t','e','m','\0'} }
};
static FONTOBJ DeviceDefaultFont =
{
{ 0, FONT_MAGIC, 1 }, /* header */
{ 0, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, ANSI_CHARSET,
0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS, {'\0'} }
};
static FONTOBJ SystemFixedFont =
{
{ 0, FONT_MAGIC, 1 }, /* header */
{ 0, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, ANSI_CHARSET,
0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN, {'\0'} }
};
/* FIXME: Is this correct? */
static FONTOBJ DefaultGuiFont =
{
{ 0, FONT_MAGIC, 1 }, /* header */
{ 0, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, ANSI_CHARSET,
0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
{'M','S',' ','S','a','n','s',' ','S','e','r','i','f','\0'} }
};
static GDIOBJHDR * StockObjects[NB_STOCK_OBJECTS] =
{
(GDIOBJHDR *) &WhiteBrush,
(GDIOBJHDR *) &LtGrayBrush,
(GDIOBJHDR *) &GrayBrush,
(GDIOBJHDR *) &DkGrayBrush,
(GDIOBJHDR *) &BlackBrush,
(GDIOBJHDR *) &NullBrush,
(GDIOBJHDR *) &WhitePen,
(GDIOBJHDR *) &BlackPen,
(GDIOBJHDR *) &NullPen,
NULL,
(GDIOBJHDR *) &OEMFixedFont,
(GDIOBJHDR *) &AnsiFixedFont,
(GDIOBJHDR *) &AnsiVarFont,
(GDIOBJHDR *) &SystemFont,
(GDIOBJHDR *) &DeviceDefaultFont,
NULL, /* DEFAULT_PALETTE created by PALETTE_Init */
(GDIOBJHDR *) &SystemFixedFont,
(GDIOBJHDR *) &DefaultGuiFont
};
HBITMAP hPseudoStockBitmap; /* 1x1 bitmap for memory DCs */
static SYSLEVEL GDI_level = { CRITICAL_SECTION_INIT, 3 };
static WORD GDI_HeapSel;
static BOOL get_bool(char *buffer, BOOL def_value)
{
switch(buffer[0])
{
case 'n':
case 'N':
case 'f':
case 'F':
case '0':
return FALSE;
case 'y':
case 'Y':
case 't':
case 'T':
case '1':
return TRUE;
default:
return def_value;
}
}
/******************************************************************************
*
* void ReadFontInformation(
* char const *fontName,
* FONTOBJ *font,
* int defHeight,
* int defBold,
* int defItalic,
* int defUnderline,
* int defStrikeOut )
*
* ReadFontInformation() checks the Wine configuration file's Tweak.Fonts
* section for entries containing fontName.Height, fontName.Bold, etc.,
* where fontName is the name specified in the call (e.g., "System"). It
* attempts to be user friendly by accepting 'n', 'N', 'f', 'F', or '0' as
* the first character in the boolean attributes (bold, italic, and
* underline).
*****************************************************************************/
static void ReadFontInformation(
char const *fontName,
FONTOBJ *font,
int defHeight,
int defBold,
int defItalic,
int defUnderline,
int defStrikeOut )
{
char key[256];
char buffer[MAX_PATH];
HKEY hkey;
DWORD type, count;
/* In order for the stock fonts to be independent of
* mapping mode, the height (& width) must be 0
*/
/* assign defaults */
font->logfont.lfHeight = defHeight;
font->logfont.lfWeight = defBold;
font->logfont.lfItalic = defItalic;
font->logfont.lfUnderline = defUnderline;
font->logfont.lfStrikeOut = defStrikeOut;
if(RegOpenKeyA(HKEY_LOCAL_MACHINE, "Software\\Wine\\Wine\\Config\\Tweak.Fonts", &hkey))
return;
sprintf(key, "%s.Height", fontName);
count = sizeof(buffer);
if(!RegQueryValueExA(hkey, key, 0, &type, buffer, &count))
font->logfont.lfHeight = atoi(buffer);
sprintf(key, "%s.Bold", fontName);
count = sizeof(buffer);
if(!RegQueryValueExA(hkey, key, 0, &type, buffer, &count))
font->logfont.lfWeight = get_bool(buffer, defBold) ? FW_BOLD : FW_NORMAL;
sprintf(key, "%s.Italic", fontName);
count = sizeof(buffer);
if(!RegQueryValueExA(hkey, key, 0, &type, buffer, &count))
font->logfont.lfItalic = get_bool(buffer, defItalic);
sprintf(key, "%s.Underline", fontName);
count = sizeof(buffer);
if(!RegQueryValueExA(hkey, key, 0, &type, buffer, &count))
font->logfont.lfUnderline = get_bool(buffer, defUnderline);
sprintf(key, "%s.StrikeOut", fontName);
count = sizeof(buffer);
if(!RegQueryValueExA(hkey, key, 0, &type, buffer, &count))
font->logfont.lfStrikeOut = get_bool(buffer, defStrikeOut);
RegCloseKey(hkey);
}
/***********************************************************************
* Because the stock fonts have their structure initialized with
* a height of 0 to keep them independent of mapping mode, simply
* returning the LOGFONT as is will not work correctly.
* These "FixStockFontSizeXXX()" methods will get the correct
* size for the fonts.
*/
static void GetFontMetrics(HFONT handle, LPTEXTMETRICA lptm)
{
HDC hdc;
HFONT hOldFont;
hdc = CreateDCA("DISPLAY", NULL, NULL, NULL);
hOldFont = (HFONT)SelectObject(hdc, handle);
GetTextMetricsA(hdc, lptm);
SelectObject(hdc, hOldFont);
DeleteDC(hdc);
}
static inline void FixStockFontSize16(
HFONT handle,
INT16 count,
LPVOID buffer)
{
TEXTMETRICA tm;
LOGFONT16* pLogFont = (LOGFONT16*)buffer;
/*
* Was the lfHeight field copied (it's the first field)?
* If it was and it was null, replace the height.
*/
if ( (count >= 2*sizeof(INT16)) &&
(pLogFont->lfHeight == 0) )
{
GetFontMetrics(handle, &tm);
pLogFont->lfHeight = tm.tmHeight;
pLogFont->lfWidth = tm.tmAveCharWidth;
}
}
static inline void FixStockFontSizeA(
HFONT handle,
INT count,
LPVOID buffer)
{
TEXTMETRICA tm;
LOGFONTA* pLogFont = (LOGFONTA*)buffer;
/*
* Was the lfHeight field copied (it's the first field)?
* If it was and it was null, replace the height.
*/
if ( (count >= 2*sizeof(INT)) &&
(pLogFont->lfHeight == 0) )
{
GetFontMetrics(handle, &tm);
pLogFont->lfHeight = tm.tmHeight;
pLogFont->lfWidth = tm.tmAveCharWidth;
}
}
/**
* Since the LOGFONTA and LOGFONTW structures are identical up to the
* lfHeight member (the one of interest in this case) we simply define
* the W version as the A version.
*/
#define FixStockFontSizeW FixStockFontSizeA
#define TRACE_SEC(handle,text) \
TRACE("(%04x): " text " %ld\n", (handle), GDI_level.crst.RecursionCount)
/***********************************************************************
* GDI_Init
*
* GDI initialization.
*/
BOOL GDI_Init(void)
{
HPALETTE16 hpalette;
HINSTANCE16 instance;
/* create GDI heap */
if ((instance = LoadLibrary16( "GDI.EXE" )) < 32) return FALSE;
GDI_HeapSel = instance | 7;
/* TWEAK: Initialize font hints */
ReadFontInformation("OEMFixed", &OEMFixedFont, 0, 0, 0, 0, 0);
ReadFontInformation("AnsiFixed", &AnsiFixedFont, 0, 0, 0, 0, 0);
ReadFontInformation("AnsiVar", &AnsiVarFont, 0, 0, 0, 0, 0);
ReadFontInformation("System", &SystemFont, 0, 0, 0, 0, 0);
ReadFontInformation("DeviceDefault", &DeviceDefaultFont, 0, 0, 0, 0, 0);
ReadFontInformation("SystemFixed", &SystemFixedFont, 0, 0, 0, 0, 0);
ReadFontInformation("DefaultGui", &DefaultGuiFont, 0, 0, 0, 0, 0);
/* Create default palette */
/* DR well *this* palette can't be moveable (?) */
hpalette = PALETTE_Init();
if( !hpalette ) return FALSE;
StockObjects[DEFAULT_PALETTE] = (GDIOBJHDR *)LOCAL_Lock( GDI_HeapSel, hpalette );
hPseudoStockBitmap = CreateBitmap( 1, 1, 1, 1, NULL );
return TRUE;
}
#define FIRST_LARGE_HANDLE 16
#define MAX_LARGE_HANDLES ((GDI_HEAP_SIZE >> 2) - FIRST_LARGE_HANDLE)
static GDIOBJHDR *large_handles[MAX_LARGE_HANDLES];
static int next_large_handle;
/***********************************************************************
* alloc_large_heap
*
* Allocate a GDI handle from the large heap. Helper for GDI_AllocObject
*/
inline static GDIOBJHDR *alloc_large_heap( WORD size, HGDIOBJ *handle )
{
int i;
GDIOBJHDR *obj;
for (i = next_large_handle + 1; i < MAX_LARGE_HANDLES; i++)
if (!large_handles[i]) goto found;
for (i = 0; i <= next_large_handle; i++)
if (!large_handles[i]) goto found;
*handle = 0;
return NULL;
found:
if ((obj = HeapAlloc( GetProcessHeap(), 0, size )))
{
large_handles[i] = obj;
*handle = (i + FIRST_LARGE_HANDLE) << 2;
next_large_handle = i;
}
return obj;
}
/***********************************************************************
* GDI_AllocObject
*/
void *GDI_AllocObject( WORD size, WORD magic, HGDIOBJ *handle )
{
static DWORD count = 0;
GDIOBJHDR *obj;
_EnterSysLevel( &GDI_level );
switch(magic)
{
/* allocate DCs on the larger heap */
case DC_MAGIC:
case DISABLED_DC_MAGIC:
case META_DC_MAGIC:
case METAFILE_MAGIC:
case METAFILE_DC_MAGIC:
case ENHMETAFILE_MAGIC:
case ENHMETAFILE_DC_MAGIC:
case BITMAP_MAGIC:
if (!(obj = alloc_large_heap( size, handle ))) goto error;
break;
default:
if (!(*handle = LOCAL_Alloc( GDI_HeapSel, LMEM_MOVEABLE, size ))) goto error;
assert( *handle & 2 );
obj = (GDIOBJHDR *)LOCAL_Lock( GDI_HeapSel, *handle );
break;
}
obj->hNext = 0;
obj->wMagic = magic|OBJECT_NOSYSTEM;
obj->dwCount = ++count;
TRACE_SEC( *handle, "enter" );
return obj;
error:
_LeaveSysLevel( &GDI_level );
*handle = 0;
return NULL;
}
/***********************************************************************
* GDI_ReallocObject
*
* The object ptr must have been obtained with GDI_GetObjPtr.
* The new pointer must be released with GDI_ReleaseObj.
*/
void *GDI_ReallocObject( WORD size, HGDIOBJ handle, void *object )
{
HGDIOBJ new_handle;
assert( handle & 2 ); /* no realloc for large handles */
LOCAL_Unlock( GDI_HeapSel, handle );
if (!(new_handle = LOCAL_ReAlloc( GDI_HeapSel, handle, size, LMEM_MOVEABLE )))
{
TRACE_SEC( handle, "leave" );
_LeaveSysLevel( &GDI_level );
return NULL;
}
assert( new_handle == handle ); /* moveable handle cannot change */
return LOCAL_Lock( GDI_HeapSel, handle );
}
/***********************************************************************
* GDI_FreeObject
*/
BOOL GDI_FreeObject( HGDIOBJ handle, void *ptr )
{
GDIOBJHDR *object = ptr;
/* can't free stock objects */
if (handle < FIRST_STOCK_HANDLE)
{
object->wMagic = 0; /* Mark it as invalid */
if (handle & 2) /* GDI heap handle */
{
LOCAL_Unlock( GDI_HeapSel, handle );
LOCAL_Free( GDI_HeapSel, handle );
}
else /* large heap handle */
{
int i = (handle >> 2) - FIRST_LARGE_HANDLE;
if (i >= 0 && large_handles[i])
{
HeapFree( GetProcessHeap(), 0, large_handles[i] );
large_handles[i] = NULL;
}
}
}
TRACE_SEC( handle, "leave" );
_LeaveSysLevel( &GDI_level );
return TRUE;
}
/***********************************************************************
* GDI_GetObjPtr
*
* Return a pointer to the GDI object associated to the handle.
* Return NULL if the object has the wrong magic number.
* The object must be released with GDI_ReleaseObj.
*/
void *GDI_GetObjPtr( HGDIOBJ handle, WORD magic )
{
GDIOBJHDR *ptr = NULL;
_EnterSysLevel( &GDI_level );
if (handle >= FIRST_STOCK_HANDLE)
{
if (handle <= LAST_STOCK_HANDLE) ptr = StockObjects[handle - FIRST_STOCK_HANDLE];
if (ptr && (magic != MAGIC_DONTCARE)
&& (GDIMAGIC(ptr->wMagic) != magic)) ptr = NULL;
}
else if (handle & 2) /* GDI heap handle */
{
ptr = (GDIOBJHDR *)LOCAL_Lock( GDI_HeapSel, handle );
if (ptr &&
(magic != MAGIC_DONTCARE) && (GDIMAGIC(ptr->wMagic) != magic))
{
LOCAL_Unlock( GDI_HeapSel, handle );
ptr = NULL;
}
}
else /* large heap handle */
{
int i = (handle >> 2) - FIRST_LARGE_HANDLE;
if (i >= 0)
{
ptr = large_handles[i];
if (ptr && (magic != MAGIC_DONTCARE) && (GDIMAGIC(ptr->wMagic) != magic)) ptr = NULL;
}
}
if (!ptr)
{
_LeaveSysLevel( &GDI_level );
SetLastError( ERROR_INVALID_HANDLE );
}
else TRACE_SEC( handle, "enter" );
return ptr;
}
/***********************************************************************
* GDI_ReleaseObj
*
*/
void GDI_ReleaseObj( HGDIOBJ handle )
{
if (handle < FIRST_STOCK_HANDLE && (handle & 2)) LOCAL_Unlock( GDI_HeapSel, handle );
TRACE_SEC( handle, "leave" );
_LeaveSysLevel( &GDI_level );
}
/***********************************************************************
* DeleteObject (GDI.69)
* SysDeleteObject (GDI.605)
*/
BOOL16 WINAPI DeleteObject16( HGDIOBJ16 obj )
{
return DeleteObject( obj );
}
/***********************************************************************
* DeleteObject (GDI32.@)
*/
BOOL WINAPI DeleteObject( HGDIOBJ obj )
{
/* Check if object is valid */
GDIOBJHDR * header;
if (HIWORD(obj)) return FALSE;
if ((obj >= FIRST_STOCK_HANDLE) && (obj <= LAST_STOCK_HANDLE)) {
TRACE("Preserving Stock object %04x\n", obj );
/* NOTE: No GDI_Release is necessary */
return TRUE;
}
if (obj == hPseudoStockBitmap) return TRUE;
if (!(header = GDI_GetObjPtr( obj, MAGIC_DONTCARE ))) return FALSE;
if (!(header->wMagic & OBJECT_NOSYSTEM)
&& (header->wMagic >= FIRST_MAGIC) && (header->wMagic <= LAST_MAGIC))
{
TRACE("Preserving system object %04x\n", obj);
GDI_ReleaseObj( obj );
return TRUE;
}
TRACE("%04x\n", obj );
/* Delete object */
switch(GDIMAGIC(header->wMagic))
{
case PEN_MAGIC: return GDI_FreeObject( obj, header );
case BRUSH_MAGIC: return BRUSH_DeleteObject( obj, (BRUSHOBJ*)header );
case FONT_MAGIC: return GDI_FreeObject( obj, header );
case PALETTE_MAGIC: return PALETTE_DeleteObject(obj,(PALETTEOBJ*)header);
case BITMAP_MAGIC: return BITMAP_DeleteObject( obj, (BITMAPOBJ*)header);
case REGION_MAGIC: return REGION_DeleteObject( obj, (RGNOBJ*)header );
case DC_MAGIC:
GDI_ReleaseObj( obj );
return DeleteDC(obj);
case 0 :
WARN("Already deleted\n");
break;
default:
WARN("Unknown magic number (%d)\n",GDIMAGIC(header->wMagic));
}
GDI_ReleaseObj( obj );
return FALSE;
}
/***********************************************************************
* GetStockObject (GDI.87)
*/
HGDIOBJ16 WINAPI GetStockObject16( INT16 obj )
{
return (HGDIOBJ16)GetStockObject( obj );
}
/***********************************************************************
* GetStockObject (GDI32.@)
*/
HGDIOBJ WINAPI GetStockObject( INT obj )
{
HGDIOBJ ret;
if ((obj < 0) || (obj >= NB_STOCK_OBJECTS)) return 0;
if (!StockObjects[obj]) return 0;
ret = (HGDIOBJ16)(FIRST_STOCK_HANDLE + obj);
TRACE("returning %4x\n", ret );
return ret;
}
/***********************************************************************
* GetObject (GDI.82)
*/
INT16 WINAPI GetObject16( HANDLE16 handle, INT16 count, LPVOID buffer )
{
GDIOBJHDR * ptr;
INT16 result = 0;
TRACE("%04x %d %p\n", handle, count, buffer );
if (!count) return 0;
if (!(ptr = GDI_GetObjPtr( handle, MAGIC_DONTCARE ))) return 0;
switch(GDIMAGIC(ptr->wMagic))
{
case PEN_MAGIC:
result = PEN_GetObject16( (PENOBJ *)ptr, count, buffer );
break;
case BRUSH_MAGIC:
result = BRUSH_GetObject16( (BRUSHOBJ *)ptr, count, buffer );
break;
case BITMAP_MAGIC:
result = BITMAP_GetObject16( (BITMAPOBJ *)ptr, count, buffer );
break;
case FONT_MAGIC:
result = FONT_GetObject16( (FONTOBJ *)ptr, count, buffer );
/*
* Fix the LOGFONT structure for the stock fonts
*/
if ( (handle >= FIRST_STOCK_HANDLE) &&
(handle <= LAST_STOCK_HANDLE) )
FixStockFontSize16(handle, count, buffer);
break;
case PALETTE_MAGIC:
result = PALETTE_GetObject( (PALETTEOBJ *)ptr, count, buffer );
break;
}
GDI_ReleaseObj( handle );
return result;
}
/***********************************************************************
* GetObjectA (GDI32.@)
*/
INT WINAPI GetObjectA( HANDLE handle, INT count, LPVOID buffer )
{
GDIOBJHDR * ptr;
INT result = 0;
TRACE("%08x %d %p\n", handle, count, buffer );
if (!count) return 0;
if (!(ptr = GDI_GetObjPtr( handle, MAGIC_DONTCARE ))) return 0;
switch(GDIMAGIC(ptr->wMagic))
{
case PEN_MAGIC:
result = PEN_GetObject( (PENOBJ *)ptr, count, buffer );
break;
case BRUSH_MAGIC:
result = BRUSH_GetObject( (BRUSHOBJ *)ptr, count, buffer );
break;
case BITMAP_MAGIC:
result = BITMAP_GetObject( (BITMAPOBJ *)ptr, count, buffer );
break;
case FONT_MAGIC:
result = FONT_GetObjectA( (FONTOBJ *)ptr, count, buffer );
/*
* Fix the LOGFONT structure for the stock fonts
*/
if ( (handle >= FIRST_STOCK_HANDLE) &&
(handle <= LAST_STOCK_HANDLE) )
FixStockFontSizeA(handle, count, buffer);
break;
case PALETTE_MAGIC:
result = PALETTE_GetObject( (PALETTEOBJ *)ptr, count, buffer );
break;
case REGION_MAGIC:
case DC_MAGIC:
case DISABLED_DC_MAGIC:
case META_DC_MAGIC:
case METAFILE_MAGIC:
case METAFILE_DC_MAGIC:
case ENHMETAFILE_MAGIC:
case ENHMETAFILE_DC_MAGIC:
FIXME("Magic %04x not implemented\n", GDIMAGIC(ptr->wMagic) );
break;
default:
ERR("Invalid GDI Magic %04x\n", GDIMAGIC(ptr->wMagic));
break;
}
GDI_ReleaseObj( handle );
return result;
}
/***********************************************************************
* GetObjectW (GDI32.@)
*/
INT WINAPI GetObjectW( HANDLE handle, INT count, LPVOID buffer )
{
GDIOBJHDR * ptr;
INT result = 0;
TRACE("%08x %d %p\n", handle, count, buffer );
if (!count) return 0;
if (!(ptr = GDI_GetObjPtr( handle, MAGIC_DONTCARE ))) return 0;
switch(GDIMAGIC(ptr->wMagic))
{
case PEN_MAGIC:
result = PEN_GetObject( (PENOBJ *)ptr, count, buffer );
break;
case BRUSH_MAGIC:
result = BRUSH_GetObject( (BRUSHOBJ *)ptr, count, buffer );
break;
case BITMAP_MAGIC:
result = BITMAP_GetObject( (BITMAPOBJ *)ptr, count, buffer );
break;
case FONT_MAGIC:
result = FONT_GetObjectW( (FONTOBJ *)ptr, count, buffer );
/*
* Fix the LOGFONT structure for the stock fonts
*/
if ( (handle >= FIRST_STOCK_HANDLE) &&
(handle <= LAST_STOCK_HANDLE) )
FixStockFontSizeW(handle, count, buffer);
break;
case PALETTE_MAGIC:
result = PALETTE_GetObject( (PALETTEOBJ *)ptr, count, buffer );
break;
default:
FIXME("Magic %04x not implemented\n", GDIMAGIC(ptr->wMagic) );
break;
}
GDI_ReleaseObj( handle );
return result;
}
/***********************************************************************
* GetObjectType (GDI32.@)
*/
DWORD WINAPI GetObjectType( HANDLE handle )
{
GDIOBJHDR * ptr;
INT result = 0;
TRACE("%08x\n", handle );
if (!(ptr = GDI_GetObjPtr( handle, MAGIC_DONTCARE ))) return 0;
switch(GDIMAGIC(ptr->wMagic))
{
case PEN_MAGIC:
result = OBJ_PEN;
break;
case BRUSH_MAGIC:
result = OBJ_BRUSH;
break;
case BITMAP_MAGIC:
result = OBJ_BITMAP;
break;
case FONT_MAGIC:
result = OBJ_FONT;
break;
case PALETTE_MAGIC:
result = OBJ_PAL;
break;
case REGION_MAGIC:
result = OBJ_REGION;
break;
case DC_MAGIC:
result = OBJ_DC;
break;
case META_DC_MAGIC:
result = OBJ_METADC;
break;
case METAFILE_MAGIC:
result = OBJ_METAFILE;
break;
case METAFILE_DC_MAGIC:
result = OBJ_METADC;
break;
case ENHMETAFILE_MAGIC:
result = OBJ_ENHMETAFILE;
break;
case ENHMETAFILE_DC_MAGIC:
result = OBJ_ENHMETADC;
break;
default:
FIXME("Magic %04x not implemented\n", GDIMAGIC(ptr->wMagic) );
break;
}
GDI_ReleaseObj( handle );
return result;
}
/***********************************************************************
* GetCurrentObject (GDI32.@)
*/
HANDLE WINAPI GetCurrentObject(HDC hdc,UINT type)
{
HANDLE ret = 0;
DC * dc = DC_GetDCPtr( hdc );
if (dc)
{
switch (type) {
case OBJ_PEN: ret = dc->hPen; break;
case OBJ_BRUSH: ret = dc->hBrush; break;
case OBJ_PAL: ret = dc->hPalette; break;
case OBJ_FONT: ret = dc->hFont; break;
case OBJ_BITMAP: ret = dc->hBitmap; break;
default:
/* the SDK only mentions those above */
FIXME("(%08x,%d): unknown type.\n",hdc,type);
break;
}
GDI_ReleaseObj( hdc );
}
return ret;
}
/***********************************************************************
* SelectObject (GDI.45)
*/
HGDIOBJ16 WINAPI SelectObject16( HDC16 hdc, HGDIOBJ16 handle )
{
return (HGDIOBJ16)SelectObject( hdc, handle );
}
/***********************************************************************
* SelectObject (GDI32.@)
*/
HGDIOBJ WINAPI SelectObject( HDC hdc, HGDIOBJ handle )
{
HGDIOBJ ret = 0;
DC * dc = DC_GetDCUpdate( hdc );
if (!dc) return 0;
TRACE("hdc=%04x %04x\n", hdc, handle );
if (dc->funcs->pSelectObject)
ret = dc->funcs->pSelectObject( dc, handle );
GDI_ReleaseObj( hdc );
return ret;
}
/***********************************************************************
* UnrealizeObject (GDI.150)
*/
BOOL16 WINAPI UnrealizeObject16( HGDIOBJ16 obj )
{
return UnrealizeObject( obj );
}
/***********************************************************************
* UnrealizeObject (GDI32.@)
*/
BOOL WINAPI UnrealizeObject( HGDIOBJ obj )
{
BOOL result = TRUE;
/* Check if object is valid */
GDIOBJHDR * header = GDI_GetObjPtr( obj, MAGIC_DONTCARE );
if (!header) return FALSE;
TRACE("%04x\n", obj );
/* Unrealize object */
switch(GDIMAGIC(header->wMagic))
{
case PALETTE_MAGIC:
result = PALETTE_UnrealizeObject( obj, (PALETTEOBJ *)header );
break;
case BRUSH_MAGIC:
/* Windows resets the brush origin. We don't need to. */
break;
}
GDI_ReleaseObj( obj );
return result;
}
/***********************************************************************
* EnumObjects16 (GDI.71)
*/
INT16 WINAPI EnumObjects16( HDC16 hdc, INT16 nObjType,
GOBJENUMPROC16 lpEnumFunc, LPARAM lParam )
{
/* Solid colors to enumerate */
static const COLORREF solid_colors[] =
{ RGB(0x00,0x00,0x00), RGB(0xff,0xff,0xff),
RGB(0xff,0x00,0x00), RGB(0x00,0xff,0x00),
RGB(0x00,0x00,0xff), RGB(0xff,0xff,0x00),
RGB(0xff,0x00,0xff), RGB(0x00,0xff,0xff),
RGB(0x80,0x00,0x00), RGB(0x00,0x80,0x00),
RGB(0x80,0x80,0x00), RGB(0x00,0x00,0x80),
RGB(0x80,0x00,0x80), RGB(0x00,0x80,0x80),
RGB(0x80,0x80,0x80), RGB(0xc0,0xc0,0xc0)
};
INT16 i, retval = 0;
LOGPEN16 *pen;
LOGBRUSH16 *brush = NULL;
TRACE("%04x %d %08lx %08lx\n",
hdc, nObjType, (DWORD)lpEnumFunc, lParam );
switch(nObjType)
{
case OBJ_PEN:
/* Enumerate solid pens */
if (!(pen = SEGPTR_NEW(LOGPEN16))) break;
for (i = 0; i < sizeof(solid_colors)/sizeof(solid_colors[0]); i++)
{
pen->lopnStyle = PS_SOLID;
pen->lopnWidth.x = 1;
pen->lopnWidth.y = 0;
pen->lopnColor = solid_colors[i];
retval = lpEnumFunc( SEGPTR_GET(pen), lParam );
TRACE("solid pen %08lx, ret=%d\n",
solid_colors[i], retval);
if (!retval) break;
}
SEGPTR_FREE(pen);
break;
case OBJ_BRUSH:
/* Enumerate solid brushes */
if (!(brush = SEGPTR_NEW(LOGBRUSH16))) break;
for (i = 0; i < sizeof(solid_colors)/sizeof(solid_colors[0]); i++)
{
brush->lbStyle = BS_SOLID;
brush->lbColor = solid_colors[i];
brush->lbHatch = 0;
retval = lpEnumFunc( SEGPTR_GET(brush), lParam );
TRACE("solid brush %08lx, ret=%d\n",
solid_colors[i], retval);
if (!retval) break;
}
/* Now enumerate hatched brushes */
if (retval) for (i = HS_HORIZONTAL; i <= HS_DIAGCROSS; i++)
{
brush->lbStyle = BS_HATCHED;
brush->lbColor = RGB(0,0,0);
brush->lbHatch = i;
retval = lpEnumFunc( SEGPTR_GET(brush), lParam );
TRACE("hatched brush %d, ret=%d\n",
i, retval);
if (!retval) break;
}
SEGPTR_FREE(brush);
break;
default:
WARN("(%d): Invalid type\n", nObjType );
break;
}
return retval;
}
/***********************************************************************
* EnumObjects (GDI32.@)
*/
INT WINAPI EnumObjects( HDC hdc, INT nObjType,
GOBJENUMPROC lpEnumFunc, LPARAM lParam )
{
/* Solid colors to enumerate */
static const COLORREF solid_colors[] =
{ RGB(0x00,0x00,0x00), RGB(0xff,0xff,0xff),
RGB(0xff,0x00,0x00), RGB(0x00,0xff,0x00),
RGB(0x00,0x00,0xff), RGB(0xff,0xff,0x00),
RGB(0xff,0x00,0xff), RGB(0x00,0xff,0xff),
RGB(0x80,0x00,0x00), RGB(0x00,0x80,0x00),
RGB(0x80,0x80,0x00), RGB(0x00,0x00,0x80),
RGB(0x80,0x00,0x80), RGB(0x00,0x80,0x80),
RGB(0x80,0x80,0x80), RGB(0xc0,0xc0,0xc0)
};
INT i, retval = 0;
LOGPEN pen;
LOGBRUSH brush;
TRACE("%04x %d %08lx %08lx\n",
hdc, nObjType, (DWORD)lpEnumFunc, lParam );
switch(nObjType)
{
case OBJ_PEN:
/* Enumerate solid pens */
for (i = 0; i < sizeof(solid_colors)/sizeof(solid_colors[0]); i++)
{
pen.lopnStyle = PS_SOLID;
pen.lopnWidth.x = 1;
pen.lopnWidth.y = 0;
pen.lopnColor = solid_colors[i];
retval = lpEnumFunc( &pen, lParam );
TRACE("solid pen %08lx, ret=%d\n",
solid_colors[i], retval);
if (!retval) break;
}
break;
case OBJ_BRUSH:
/* Enumerate solid brushes */
for (i = 0; i < sizeof(solid_colors)/sizeof(solid_colors[0]); i++)
{
brush.lbStyle = BS_SOLID;
brush.lbColor = solid_colors[i];
brush.lbHatch = 0;
retval = lpEnumFunc( &brush, lParam );
TRACE("solid brush %08lx, ret=%d\n",
solid_colors[i], retval);
if (!retval) break;
}
/* Now enumerate hatched brushes */
if (retval) for (i = HS_HORIZONTAL; i <= HS_DIAGCROSS; i++)
{
brush.lbStyle = BS_HATCHED;
brush.lbColor = RGB(0,0,0);
brush.lbHatch = i;
retval = lpEnumFunc( &brush, lParam );
TRACE("hatched brush %d, ret=%d\n",
i, retval);
if (!retval) break;
}
break;
default:
/* FIXME: implement Win32 types */
WARN("(%d): Invalid type\n", nObjType );
break;
}
return retval;
}
/***********************************************************************
* IsGDIObject (GDI.462)
*
* returns type of object if valid (W95 system programming secrets p. 264-5)
*/
BOOL16 WINAPI IsGDIObject16( HGDIOBJ16 handle )
{
UINT16 magic = 0;
GDIOBJHDR *object = GDI_GetObjPtr( handle, MAGIC_DONTCARE );
if (object)
{
magic = GDIMAGIC(object->wMagic) - PEN_MAGIC + 1;
GDI_ReleaseObj( handle );
}
return magic;
}
/***********************************************************************
* SetObjectOwner (GDI.461)
*/
void WINAPI SetObjectOwner16( HGDIOBJ16 handle, HANDLE16 owner )
{
/* Nothing to do */
}
/***********************************************************************
* SetObjectOwner (GDI32.@)
*/
void WINAPI SetObjectOwner( HGDIOBJ handle, HANDLE owner )
{
/* Nothing to do */
}
/***********************************************************************
* MakeObjectPrivate (GDI.463)
*
* What does that mean ?
* Some little docu can be found in "Undocumented Windows",
* but this is basically useless.
* At least we know that this flags the GDI object's wMagic
* with 0x2000 (OBJECT_PRIVATE), so we just do it.
* But Wine doesn't react on that yet.
*/
void WINAPI MakeObjectPrivate16( HGDIOBJ16 handle, BOOL16 private )
{
GDIOBJHDR *ptr = GDI_GetObjPtr( handle, MAGIC_DONTCARE );
if (!ptr)
{
ERR("invalid GDI object %04x !\n", handle);
return;
}
ptr->wMagic |= OBJECT_PRIVATE;
GDI_ReleaseObj( handle );
}
/***********************************************************************
* GdiFlush (GDI32.@)
*/
BOOL WINAPI GdiFlush(void)
{
return TRUE; /* FIXME */
}
/***********************************************************************
* GdiGetBatchLimit (GDI32.@)
*/
DWORD WINAPI GdiGetBatchLimit(void)
{
return 1; /* FIXME */
}
/***********************************************************************
* GdiSetBatchLimit (GDI32.@)
*/
DWORD WINAPI GdiSetBatchLimit( DWORD limit )
{
return 1; /* FIXME */
}
/***********************************************************************
* GdiSeeGdiDo (GDI.452)
*/
DWORD WINAPI GdiSeeGdiDo16( WORD wReqType, WORD wParam1, WORD wParam2,
WORD wParam3 )
{
switch (wReqType)
{
case 0x0001: /* LocalAlloc */
return LOCAL_Alloc( GDI_HeapSel, wParam1, wParam3 );
case 0x0002: /* LocalFree */
return LOCAL_Free( GDI_HeapSel, wParam1 );
case 0x0003: /* LocalCompact */
return LOCAL_Compact( GDI_HeapSel, wParam3, 0 );
case 0x0103: /* LocalHeap */
return GDI_HeapSel;
default:
WARN("(wReqType=%04x): Unknown\n", wReqType);
return (DWORD)-1;
}
}
/***********************************************************************
* GdiSignalProc32 (GDI.610)
*/
WORD WINAPI GdiSignalProc( UINT uCode, DWORD dwThreadOrProcessID,
DWORD dwFlags, HMODULE16 hModule )
{
return 0;
}
/***********************************************************************
* FinalGdiInit (GDI.405)
*/
void WINAPI FinalGdiInit16( HANDLE16 unknown )
{
}
/***********************************************************************
* GdiFreeResources (GDI.609)
*/
WORD WINAPI GdiFreeResources16( DWORD reserve )
{
return (WORD)( (int)LOCAL_CountFree( GDI_HeapSel ) * 100 /
(int)LOCAL_HeapSize( GDI_HeapSel ) );
}
/***********************************************************************
* MulDiv (GDI.128)
*/
INT16 WINAPI MulDiv16(
INT16 nMultiplicand,
INT16 nMultiplier,
INT16 nDivisor)
{
INT ret;
if (!nDivisor) return -32768;
/* We want to deal with a positive divisor to simplify the logic. */
if (nDivisor < 0)
{
nMultiplicand = - nMultiplicand;
nDivisor = -nDivisor;
}
/* If the result is positive, we "add" to round. else,
* we subtract to round. */
if ( ( (nMultiplicand < 0) && (nMultiplier < 0) ) ||
( (nMultiplicand >= 0) && (nMultiplier >= 0) ) )
ret = (((int)nMultiplicand * nMultiplier) + (nDivisor/2)) / nDivisor;
else
ret = (((int)nMultiplicand * nMultiplier) - (nDivisor/2)) / nDivisor;
if ((ret > 32767) || (ret < -32767)) return -32768;
return (INT16) ret;
}
/*******************************************************************
* GetColorAdjustment [GDI32.@]
*
*
*/
BOOL WINAPI GetColorAdjustment(HDC hdc, LPCOLORADJUSTMENT lpca)
{
FIXME("GetColorAdjustment, stub\n");
return 0;
}
/*******************************************************************
* GetMiterLimit [GDI32.@]
*
*
*/
BOOL WINAPI GetMiterLimit(HDC hdc, PFLOAT peLimit)
{
FIXME("GetMiterLimit, stub\n");
return 0;
}
/*******************************************************************
* SetMiterLimit [GDI32.@]
*
*
*/
BOOL WINAPI SetMiterLimit(HDC hdc, FLOAT eNewLimit, PFLOAT peOldLimit)
{
FIXME("SetMiterLimit, stub\n");
return 0;
}
/*******************************************************************
* GdiComment [GDI32.@]
*
*
*/
BOOL WINAPI GdiComment(HDC hdc, UINT cbSize, const BYTE *lpData)
{
FIXME("GdiComment, stub\n");
return 0;
}
/*******************************************************************
* SetColorAdjustment [GDI32.@]
*
*
*/
BOOL WINAPI SetColorAdjustment(HDC hdc, const COLORADJUSTMENT* lpca)
{
FIXME("SetColorAdjustment, stub\n");
return 0;
}
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