wine/objects/gdiobj.c
Alexandre Julliard 401710d757 Release 0.3.0
Fri Sep  3 11:52:18 1993  Bob Amstadt

	* [windows/timer.c]
	Changed to use CallWindowProc() rather directly calling callback.

	* [windows/event.c]
	Implemented SetCapture() and ReleaseCapture()

	* [windows/keyboard.c]
	Created stub for GetKeyState()

	* [objects/linedda.c]
	Created stub for LineDDA()

	* [if1632/callback.c]
	Created callback handler for LineDDA callback procedure.

	* [if1632/callback.c]
	Created FreeProcInstance()

Fri Sep  3 08:36:52 1993  David Metcalfe

	* [loader/signal.c]
	Patch to and code for INT 1A

Thu Sep  2 00:31:54 1993  Alexandre Julliard

	* [objects/font.c] [objects/text.c]
	More text support: implemented justification and underlining.

	* [windows/clipping.c] [objects/clipping.c]
	Moved low-level clipping functions to objects/clipping.c.

	* [windows/clipping.c] [windows/event.c] [windows/message.c]
	Implemented window update regions.

	* [windows/dc.c] [objects/dcvalues.c]
	Moved some device-independent DC functions to objects/dcvalues.c.

	* [windows/graphics.c]
	Implemented InvertRect() and GetPixel().

Sat Aug 28 08:40:23 1993  Eric Youngdale

	* [include/neexe.h] [loader/wine.c]
	Added code to handle relocation type 4.

	* [loader/signal.h] [loader/wine.c] [loader/selector.c]
	Added support for dos interrupts.

Thu 26 Aug 19:15:00 1993  Eric Youngdale

	* [loader/selector.c]
	Fixed bug dealing with loading DLLs.

Thu Aug 26 19:22:40 1993  Alexandre Julliard

        * [include/gdi.h] [objects/font.c] [windows/dc.c]
        Beginning of real font support.

        * [windows/graphics.c]
        Implemented PatBlt().

        * [memory/global.c]
        Corrected a bug with linked list handling in GlobalAlloc().

        * [objects/bitmap.c]
        Corrected a bug in BITMAP_SelectObject().

Tue Aug 24 19:22:40 1993  David Metcalfe

        * [controls/Command*] [controls/Label*] [controls[MenuButto*]
	  [controls/SmeMenuButt*]
	Change code to support & as a special character in menu item text.

Tue Aug 24 19:22:40 1993  Alexandre Julliard

	* [include/gdi.h] [windows/dc.c]
	Heavily modified the DC structure for better device-independence.

	* [objects/bitmap.c]
	Implemented bitmap dimensions.

	* [windows/dc.c] [windows/dce.c]
	Implemented DC state saving and restoring.

	* [windows/dc.c]
	Implemented ROP mode.

	* [windows/graphics.c]
	Implemented FillRect().

Mon Aug 23 22:08:34 1993  Bob Amstadt  (bob at pooh)

	* [misc/xt.c]
	Fixed bug in InvalidateRect().  Solitaire attempted to
	clear window before it was realized.

	* [loader/resource.c]
	Began rewrite of LoadBitmap().

	* [loader/wine.c]
	Fixed code which set Argv and Argc global variables.

	* [loader/selector.c]
	Added code to set up command line arguments.

	* [include/neexe.h]
	Fixed error in PSP structure.

Tue Aug 17 20:41:12 1993  Alexandre Julliard

	* [include/gdi.h] [windows/dc.c]
	Implemented device capabilities.

	* [objects/region.c]
	Implemented EqualRgn() and CombineRgn().

	* [windows/clipping.c]
	Implemented Save/RestoreVisRgn().

	* [windows/graphics.c]
	Implemented PaintRgn() and FillRgn().

	* [windows/mapping.c]
	Implemented mapping modes.

Tue Aug 10 14:07:38 1993  Alexandre Julliard

	* [if1632/user.spec] [misc/rect.c]
	Implemented rectangle API functions.

	* [if1632/gdi.spec] [include/gdi.h] [objects/region.c]
	Implemented regions.

	* [windows/class.c]
	Corrected a typo in UnregisterClass().

	* [windows/clipping.c] [windows/dc.c]
	Implemented DC clipping and visible region.

Tue Aug 10 20:57:56 1993  Bob Amstadt  (bob at pooh)

	* [controls/menu.c] [windows/win.c]
	SetMenu(), GetMenu(), CheckMenuItem() implemented

Thu Aug  5 22:33:22 1993  Bob Amstadt  (bob at pooh)

	* [controls/menu.c] [windows/win.c]
	Many improvements menus.  LoadMenu() should work.

Wed Aug  4 14:55:36 1993  Alexandre Julliard

        * [objects/dib.c]
        Started the implementation of device-independent bitmaps.

        * [objects/bitmap.c]
        Added support for multiple bitmap depths.

        * [objects/brush.c]
        Implemented pattern brushes.

        * [windows/dc.c] [windows/graphics.c]
        Implemented some GDI graphics primitives.

Tue Aug  3 21:16:47 1993  Bob Amstadt  (bob at pooh)

	* [controls/menu.c] [windows/win.c] [include/menu.h]
	Code to load class menus from executable file.

	* [if1632/user.spec]
	Fixed specification of SendMessage() and PostMessage.

Mon Jul 26 21:53:24 1993  Alexandre Julliard

	* [if1632/call.S]
	Corrected a bug in KERNEL_InitTask().

	* [include/windows.h]
	Added a lot of constants.

	* [loader/selector.c]
	Corrected a bug in segment allocation in CreateSelectors().

	* [objects/bitmap.c]
	Implemented SelectObject() for bitmaps.

	* [objects/brush.c]
	Implemented hatched brushes and SelectObject().

	* [objects/gdiobj.c]
	Removed linked list (not needed).

	* [objects/palette.c]
	Implemented system palette creation and misc. palette API functions.

	* [windows/timer.c]
	Implemented timers.

	* [windows/dc.c]
	Implemented memory device contexts.

Tue Jul 20 10:38:59 1993  Bob Amstadt  (bob at pooh)

        * [dos.c]
	Split DOS3Call() out of kernel.c.  Added support for get date
	and time functions.

	* [call.S]
	Added function ReturnFromRegisterFunc() to allow DOS calls
	to return values in registers.

	* [regfunc.h]
	Macros to access registers saved on stack.

Tue Jul 20 10:38:59 1993  Alexandre Julliard

        * [win.c]
        Corrected allocation of the WM_CREATE data structure.

        * [dce.c] [dce.h]
        Implemented DCE handling.

        * [bitmap.c] [brush.c] [dc.c] [font.c] [gdi.h] [gdi.spec] 
          [gdiobj.c] [palette.c] [pen.c]
        Implemented the GDI objects data structures and allocation.

        * [windows.h]
        Added several structures and constants for GDI objects.

Mon Jul 19 12:51:10 1993  Bob Amstadt  (bob at pooh)

	* [ldtlib.c]
	Modified system calls to match Linus' new interface for
	the LDT modification.

	* [win.c]
	Fixed bug with WM_CREATE message.

	* [heap.c] [kernel.spec]
	Completed local heap allocation functions.

	* [global.c]
	Created function GlobalQuickAlloc() for easy allocation from DLLs
1993-09-04 10:09:32 +00:00

381 lines
9.3 KiB
C

/*
* GDI functions
*
* Copyright 1993 Alexandre Julliard
*/
static char Copyright[] = "Copyright Alexandre Julliard, 1993";
#include "gdi.h"
extern Display * XT_display;
extern Screen * XT_screen;
MDESC *GDI_Heap = NULL;
/***********************************************************************
* GDI stock objects
*/
static BRUSHOBJ WhiteBrush =
{
{ 0, BRUSH_MAGIC, 1, 0 }, /* header */
{ BS_SOLID, RGB(255,255,255), 0 } /* logbrush */
};
static BRUSHOBJ LtGrayBrush =
{
{ 0, BRUSH_MAGIC, 1, 0 }, /* header */
{ BS_SOLID, RGB(192,192,192), 0 } /* logbrush */
};
static BRUSHOBJ GrayBrush =
{
{ 0, BRUSH_MAGIC, 1, 0 }, /* header */
{ BS_SOLID, RGB(128,128,128), 0 } /* logbrush */
};
static BRUSHOBJ DkGrayBrush =
{
{ 0, BRUSH_MAGIC, 1, 0 }, /* header */
{ BS_SOLID, RGB(64,64,64), 0 } /* logbrush */
};
static BRUSHOBJ BlackBrush =
{
{ 0, BRUSH_MAGIC, 1, 0 }, /* header */
{ BS_SOLID, RGB(0,0,0), 0 } /* logbrush */
};
static BRUSHOBJ NullBrush =
{
{ 0, BRUSH_MAGIC, 1, 0 }, /* header */
{ BS_NULL, 0, 0 } /* logbrush */
};
static PENOBJ WhitePen =
{
{ 0, PEN_MAGIC, 1, 0 }, /* header */
{ PS_SOLID, { 1, 0 }, RGB(255,255,255) } /* logpen */
};
static PENOBJ BlackPen =
{
{ 0, PEN_MAGIC, 1, 0 }, /* header */
{ PS_SOLID, { 1, 0 }, RGB(0,0,0) } /* logpen */
};
static PENOBJ NullPen =
{
{ 0, PEN_MAGIC, 1, 0 }, /* header */
{ PS_NULL, { 1, 0 }, 0 } /* logpen */
};
static FONTOBJ OEMFixedFont =
{
{ 0, FONT_MAGIC, 1, 0 }, /* header */
{ 12, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, OEM_CHARSET,
0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN, "" }
};
static FONTOBJ AnsiFixedFont =
{
{ 0, FONT_MAGIC, 1, 0 }, /* header */
{ 12, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, ANSI_CHARSET,
0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN, "" }
};
static FONTOBJ AnsiVarFont =
{
{ 0, FONT_MAGIC, 1, 0 }, /* header */
{ 12, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, ANSI_CHARSET,
0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS, "" }
};
static FONTOBJ SystemFont =
{
{ 0, FONT_MAGIC, 1, 0 }, /* header */
{ 12, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, ANSI_CHARSET,
0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS, "" }
};
static FONTOBJ DeviceDefaultFont =
{
{ 0, FONT_MAGIC, 1, 0 }, /* header */
{ 12, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, ANSI_CHARSET,
0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS, "" }
};
static FONTOBJ SystemFixedFont =
{
{ 0, FONT_MAGIC, 1, 0 }, /* header */
{ 12, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, ANSI_CHARSET,
0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN, "" }
};
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
};
extern GDIOBJHDR * PALETTE_systemPalette;
/***********************************************************************
* GDI_Init
*
* GDI initialisation.
*/
BOOL GDI_Init()
{
struct segment_descriptor_s * s;
/* Create GDI heap */
s = GetNextSegment( 0, 0x10000 );
if (s == NULL) return FALSE;
HEAP_Init( &GDI_Heap, s->base_addr, GDI_HEAP_SIZE );
free(s);
/* Create default palette */
PALETTE_Init();
StockObjects[DEFAULT_PALETTE] = PALETTE_systemPalette;
/* Create default bitmap */
if (!BITMAP_Init()) return FALSE;
/* Initialise regions */
if (!REGION_Init()) return FALSE;
return TRUE;
}
/***********************************************************************
* GDI_FindPrevObject
*
* Return the GDI object whose hNext field points to obj.
*/
HANDLE GDI_FindPrevObject( HANDLE first, HANDLE obj )
{
HANDLE handle;
for (handle = first; handle && (handle != obj); )
{
GDIOBJHDR * header = (GDIOBJHDR *) GDI_HEAP_ADDR( handle );
handle = header->hNext;
}
return handle;
}
/***********************************************************************
* GDI_AllocObject
*/
HANDLE GDI_AllocObject( WORD size, WORD magic )
{
static DWORD count = 0;
GDIOBJHDR * obj;
HANDLE handle = GDI_HEAP_ALLOC( GMEM_MOVEABLE, size );
if (!handle) return 0;
obj = (GDIOBJHDR *) GDI_HEAP_ADDR( handle );
obj->hNext = 0;
obj->wMagic = magic;
obj->dwCount = ++count;
return handle;
}
/***********************************************************************
* GDI_FreeObject
*/
BOOL GDI_FreeObject( HANDLE handle )
{
GDIOBJHDR * object;
HANDLE prev;
/* Can't free stock objects */
if (handle >= FIRST_STOCK_HANDLE) return FALSE;
object = (GDIOBJHDR *) GDI_HEAP_ADDR( handle );
if (!object) return FALSE;
/* Free object */
GDI_HEAP_FREE( handle );
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.
*/
GDIOBJHDR * GDI_GetObjPtr( HANDLE handle, WORD magic )
{
GDIOBJHDR * ptr = NULL;
if (handle >= FIRST_STOCK_HANDLE)
{
if (handle < FIRST_STOCK_HANDLE + NB_STOCK_OBJECTS)
ptr = StockObjects[handle - FIRST_STOCK_HANDLE];
}
else ptr = (GDIOBJHDR *) GDI_HEAP_ADDR( handle );
if (!ptr) return NULL;
if (ptr->wMagic != magic) return NULL;
return ptr;
}
/***********************************************************************
* DeleteObject (GDI.69)
*/
BOOL DeleteObject( HANDLE obj )
{
/* Check if object is valid */
GDIOBJHDR * header = (GDIOBJHDR *) GDI_HEAP_ADDR( obj );
if (!header) return FALSE;
#ifdef DEBUG_GDI
printf( "DeleteObject: %d\n", obj );
#endif
/* Delete object */
switch(header->wMagic)
{
case PEN_MAGIC: return GDI_FreeObject( obj );
case BRUSH_MAGIC: return BRUSH_DeleteObject( obj, header );
case FONT_MAGIC: return GDI_FreeObject( obj );
case PALETTE_MAGIC: return GDI_FreeObject( obj );
case BITMAP_MAGIC: return BMP_DeleteObject( obj, header );
case REGION_MAGIC: return REGION_DeleteObject( obj, header );
}
return FALSE;
}
/***********************************************************************
* GetStockObject (GDI.87)
*/
HANDLE GetStockObject( int obj )
{
if ((obj < 0) || (obj >= NB_STOCK_OBJECTS)) return 0;
if (!StockObjects[obj]) return 0;
#ifdef DEBUG_GDI
printf( "GetStockObject: returning %04x\n", FIRST_STOCK_HANDLE + obj );
#endif
return FIRST_STOCK_HANDLE + obj;
}
/***********************************************************************
* GetObject (GDI.82)
*/
int GetObject( HANDLE handle, int count, LPSTR buffer )
{
GDIOBJHDR * ptr = NULL;
#ifdef DEBUG_GDI
printf( "GetObject: %04x %d %08x\n", handle, count, buffer );
#endif
if (!count) return 0;
if (handle >= FIRST_STOCK_HANDLE)
{
if (handle < FIRST_STOCK_HANDLE + NB_STOCK_OBJECTS)
ptr = StockObjects[handle - FIRST_STOCK_HANDLE];
}
else ptr = (GDIOBJHDR *) GDI_HEAP_ADDR( handle );
if (!ptr) return 0;
switch(ptr->wMagic)
{
case PEN_MAGIC:
return PEN_GetObject( (PENOBJ *)ptr, count, buffer );
case BRUSH_MAGIC:
return BRUSH_GetObject( (BRUSHOBJ *)ptr, count, buffer );
case BITMAP_MAGIC:
return BMP_GetObject( (BITMAPOBJ *)ptr, count, buffer );
case FONT_MAGIC:
return FONT_GetObject( (FONTOBJ *)ptr, count, buffer );
case PALETTE_MAGIC:
return PALETTE_GetObject( (PALETTEOBJ *)ptr, count, buffer );
}
return 0;
}
/***********************************************************************
* SelectObject (GDI.45)
*/
HANDLE SelectObject( HDC hdc, HANDLE handle )
{
GDIOBJHDR * ptr = NULL;
DC * dc;
#ifdef DEBUG_GDI
printf( "SelectObject: %d %04x\n", hdc, handle );
#endif
if (handle >= FIRST_STOCK_HANDLE)
{
if (handle < FIRST_STOCK_HANDLE + NB_STOCK_OBJECTS)
ptr = StockObjects[handle - FIRST_STOCK_HANDLE];
}
else ptr = (GDIOBJHDR *) GDI_HEAP_ADDR( handle );
if (!ptr) return 0;
dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
if (!dc) return 0;
switch(ptr->wMagic)
{
case PEN_MAGIC:
return PEN_SelectObject( dc, handle, (PENOBJ *)ptr );
case BRUSH_MAGIC:
return BRUSH_SelectObject( hdc, dc, handle, (BRUSHOBJ *)ptr );
case BITMAP_MAGIC:
return BITMAP_SelectObject( hdc, dc, handle, (BITMAPOBJ *)ptr );
case FONT_MAGIC:
return FONT_SelectObject( dc, handle, (FONTOBJ *)ptr );
case REGION_MAGIC:
return SelectClipRgn( hdc, handle );
}
return 0;
}
/***********************************************************************
* UnrealizeObject (GDI.150)
*/
BOOL UnrealizeObject( HANDLE handle )
{
#ifdef DEBUG_GDI
printf( "UnrealizeObject: %04x\n", handle );
#endif
return TRUE;
}