868 lines
24 KiB
C
868 lines
24 KiB
C
/*
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* GDI palette objects
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*
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* Copyright 1993,1994 Alexandre Julliard
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* Copyright 1996 Alex Korobka
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*
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* PALETTEOBJ is documented in the Dr. Dobbs Journal May 1993.
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* Information in the "Undocumented Windows" is incorrect.
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*/
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#include <stdlib.h>
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#include <string.h>
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#include "gdi.h"
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#include "color.h"
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#include "palette.h"
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#include "xmalloc.h"
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#include "debug.h"
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#include "wine/winuser16.h"
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PALETTE_DRIVER *PALETTE_Driver = NULL;
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FARPROC pfnSelectPalette = NULL;
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FARPROC pfnRealizePalette = NULL;
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static UINT SystemPaletteUse = SYSPAL_STATIC; /* currently not considered */
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static HPALETTE16 hPrimaryPalette = 0; /* used for WM_PALETTECHANGED */
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static HPALETTE16 hLastRealizedPalette = 0; /* UnrealizeObject() needs it */
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/***********************************************************************
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* PALETTE_Init
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*
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* Create the system palette.
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*/
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HPALETTE16 PALETTE_Init(void)
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{
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int i;
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HPALETTE16 hpalette;
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LOGPALETTE * palPtr;
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PALETTEOBJ* palObj;
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const PALETTEENTRY* __sysPalTemplate = COLOR_GetSystemPaletteTemplate();
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/* create default palette (20 system colors) */
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palPtr = HeapAlloc( GetProcessHeap(), 0,
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sizeof(LOGPALETTE) + (NB_RESERVED_COLORS-1)*sizeof(PALETTEENTRY));
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if (!palPtr) return FALSE;
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palPtr->palVersion = 0x300;
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palPtr->palNumEntries = NB_RESERVED_COLORS;
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for( i = 0; i < NB_RESERVED_COLORS; i ++ )
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{
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palPtr->palPalEntry[i].peRed = __sysPalTemplate[i].peRed;
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palPtr->palPalEntry[i].peGreen = __sysPalTemplate[i].peGreen;
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palPtr->palPalEntry[i].peBlue = __sysPalTemplate[i].peBlue;
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palPtr->palPalEntry[i].peFlags = 0;
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}
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hpalette = CreatePalette16( palPtr );
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palObj = (PALETTEOBJ*) GDI_GetObjPtr( hpalette, PALETTE_MAGIC );
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if (palObj)
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{
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palObj->mapping = xmalloc( sizeof(int) * 20 );
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GDI_HEAP_UNLOCK( hpalette );
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HeapFree( GetProcessHeap(), 0, palPtr );
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}
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return hpalette;
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}
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/***********************************************************************
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* PALETTE_ValidateFlags
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*/
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void PALETTE_ValidateFlags(PALETTEENTRY* lpPalE, int size)
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{
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int i = 0;
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for( ; i<size ; i++ )
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lpPalE[i].peFlags = PC_SYS_USED | (lpPalE[i].peFlags & 0x07);
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}
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/***********************************************************************
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* CreatePalette16 (GDI.360)
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*/
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HPALETTE16 WINAPI CreatePalette16( const LOGPALETTE* palette )
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{
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return CreatePalette( palette );
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}
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/***********************************************************************
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* CreatePalette32 [GDI32.53] Creates a logical color palette
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*
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* RETURNS
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* Success: Handle to logical palette
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* Failure: NULL
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*/
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HPALETTE WINAPI CreatePalette(
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const LOGPALETTE* palette) /* [in] Pointer to logical color palette */
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{
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PALETTEOBJ * palettePtr;
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HPALETTE hpalette;
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int size;
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if (!palette) return 0;
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TRACE(palette,"entries=%i\n", palette->palNumEntries);
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size = sizeof(LOGPALETTE) + (palette->palNumEntries - 1) * sizeof(PALETTEENTRY);
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hpalette = GDI_AllocObject( size + sizeof(int*) +sizeof(GDIOBJHDR) , PALETTE_MAGIC );
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if (!hpalette) return 0;
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palettePtr = (PALETTEOBJ *) GDI_HEAP_LOCK( hpalette );
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memcpy( &palettePtr->logpalette, palette, size );
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PALETTE_ValidateFlags(palettePtr->logpalette.palPalEntry,
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palettePtr->logpalette.palNumEntries);
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palettePtr->mapping = NULL;
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GDI_HEAP_UNLOCK( hpalette );
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TRACE(palette," returning %04x\n", hpalette);
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return hpalette;
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}
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/***********************************************************************
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* CreateHalftonePalette16 [GDI.?] Creates a halftone palette
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*
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* RETURNS
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* Success: Handle to logical halftone palette
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* Failure: 0
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*/
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HPALETTE16 WINAPI CreateHalftonePalette16(
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HDC16 hdc) /* [in] Handle to device context */
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{
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return CreateHalftonePalette(hdc);
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}
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/***********************************************************************
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* CreateHalftonePalette32 [GDI32.47] Creates a halftone palette
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*
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* RETURNS
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* Success: Handle to logical halftone palette
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* Failure: 0
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*
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* FIXME: not truly tested
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*/
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HPALETTE WINAPI CreateHalftonePalette(
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HDC hdc) /* [in] Handle to device context */
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{
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int i, r, g, b;
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struct {
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WORD Version;
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WORD NumberOfEntries;
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PALETTEENTRY aEntries[256];
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} Palette = {
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0x300, 256
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};
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GetSystemPaletteEntries(hdc, 0, 256, Palette.aEntries);
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return CreatePalette((LOGPALETTE *)&Palette);
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for (r = 0; r < 6; r++) {
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for (g = 0; g < 6; g++) {
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for (b = 0; b < 6; b++) {
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i = r + g*6 + b*36 + 10;
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Palette.aEntries[i].peRed = r * 51;
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Palette.aEntries[i].peGreen = g * 51;
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Palette.aEntries[i].peBlue = b * 51;
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}
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}
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}
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for (i = 216; i < 246; i++) {
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int v = (i - 216) * 8;
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Palette.aEntries[i].peRed = v;
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Palette.aEntries[i].peGreen = v;
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Palette.aEntries[i].peBlue = v;
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}
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return CreatePalette((LOGPALETTE *)&Palette);
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}
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/***********************************************************************
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* GetPaletteEntries16 (GDI.363)
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*/
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UINT16 WINAPI GetPaletteEntries16( HPALETTE16 hpalette, UINT16 start,
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UINT16 count, LPPALETTEENTRY entries )
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{
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return GetPaletteEntries( hpalette, start, count, entries );
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}
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/***********************************************************************
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* GetPaletteEntries32 [GDI32.209] Retrieves palette entries
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*
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* RETURNS
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* Success: Number of entries from logical palette
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* Failure: 0
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*/
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UINT WINAPI GetPaletteEntries(
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HPALETTE hpalette, /* [in] Handle of logical palette */
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UINT start, /* [in] First entry to receive */
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UINT count, /* [in] Number of entries to receive */
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LPPALETTEENTRY entries) /* [out] Address of array receiving entries */
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{
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PALETTEOBJ * palPtr;
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INT numEntries;
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TRACE(palette,"hpal = %04x, count=%i\n", hpalette, count );
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palPtr = (PALETTEOBJ *) GDI_GetObjPtr( hpalette, PALETTE_MAGIC );
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if (!palPtr) return 0;
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numEntries = palPtr->logpalette.palNumEntries;
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if (start+count > numEntries) count = numEntries - start;
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if (entries)
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{
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if (start >= numEntries)
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{
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GDI_HEAP_UNLOCK( hpalette );
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return 0;
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}
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memcpy( entries, &palPtr->logpalette.palPalEntry[start],
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count * sizeof(PALETTEENTRY) );
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for( numEntries = 0; numEntries < count ; numEntries++ )
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if (entries[numEntries].peFlags & 0xF0)
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entries[numEntries].peFlags = 0;
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GDI_HEAP_UNLOCK( hpalette );
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}
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return count;
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}
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/***********************************************************************
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* SetPaletteEntries16 (GDI.364)
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*/
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UINT16 WINAPI SetPaletteEntries16( HPALETTE16 hpalette, UINT16 start,
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UINT16 count, LPPALETTEENTRY entries )
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{
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return SetPaletteEntries( hpalette, start, count, entries );
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}
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/***********************************************************************
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* SetPaletteEntries32 [GDI32.326] Sets color values for range in palette
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*
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* RETURNS
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* Success: Number of entries that were set
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* Failure: 0
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*/
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UINT WINAPI SetPaletteEntries(
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HPALETTE hpalette, /* [in] Handle of logical palette */
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UINT start, /* [in] Index of first entry to set */
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UINT count, /* [in] Number of entries to set */
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LPPALETTEENTRY entries) /* [in] Address of array of structures */
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{
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PALETTEOBJ * palPtr;
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INT numEntries;
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TRACE(palette,"hpal=%04x,start=%i,count=%i\n",hpalette,start,count );
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palPtr = (PALETTEOBJ *) GDI_GetObjPtr( hpalette, PALETTE_MAGIC );
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if (!palPtr) return 0;
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numEntries = palPtr->logpalette.palNumEntries;
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if (start >= numEntries)
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{
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GDI_HEAP_UNLOCK( hpalette );
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return 0;
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}
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if (start+count > numEntries) count = numEntries - start;
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memcpy( &palPtr->logpalette.palPalEntry[start], entries,
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count * sizeof(PALETTEENTRY) );
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PALETTE_ValidateFlags(palPtr->logpalette.palPalEntry,
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palPtr->logpalette.palNumEntries);
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free(palPtr->mapping);
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palPtr->mapping = NULL;
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GDI_HEAP_UNLOCK( hpalette );
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return count;
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}
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/***********************************************************************
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* ResizePalette16 (GDI.368)
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*/
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BOOL16 WINAPI ResizePalette16( HPALETTE16 hPal, UINT16 cEntries )
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{
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return ResizePalette( hPal, cEntries );
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}
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/***********************************************************************
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* ResizePalette32 [GDI32.289] Resizes logical palette
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*
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* RETURNS
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* Success: TRUE
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* Failure: FALSE
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*/
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BOOL WINAPI ResizePalette(
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HPALETTE hPal, /* [in] Handle of logical palette */
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UINT cEntries) /* [in] Number of entries in logical palette */
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{
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PALETTEOBJ * palPtr = (PALETTEOBJ *) GDI_GetObjPtr( hPal, PALETTE_MAGIC );
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UINT cPrevEnt, prevVer;
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int prevsize, size = sizeof(LOGPALETTE) + (cEntries - 1) * sizeof(PALETTEENTRY);
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int* mapping = NULL;
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TRACE(palette,"hpal = %04x, prev = %i, new = %i\n",
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hPal, palPtr ? palPtr->logpalette.palNumEntries : -1,
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cEntries );
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if( !palPtr ) return FALSE;
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cPrevEnt = palPtr->logpalette.palNumEntries;
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prevVer = palPtr->logpalette.palVersion;
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prevsize = sizeof(LOGPALETTE) + (cPrevEnt - 1) * sizeof(PALETTEENTRY) +
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sizeof(int*) + sizeof(GDIOBJHDR);
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size += sizeof(int*) + sizeof(GDIOBJHDR);
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mapping = palPtr->mapping;
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GDI_HEAP_UNLOCK( hPal );
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hPal = GDI_HEAP_REALLOC( hPal, size );
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palPtr = (PALETTEOBJ *) GDI_GetObjPtr( hPal, PALETTE_MAGIC );
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if( !palPtr ) return FALSE;
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if( mapping )
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palPtr->mapping = (int*) xrealloc( mapping, cEntries * sizeof(int) );
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if( cEntries > cPrevEnt )
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{
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if( mapping )
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memset(palPtr->mapping + cPrevEnt, 0, (cEntries - cPrevEnt)*sizeof(int));
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memset( (BYTE*)palPtr + prevsize, 0, size - prevsize );
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PALETTE_ValidateFlags((PALETTEENTRY*)((BYTE*)palPtr + prevsize),
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cEntries - cPrevEnt );
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}
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palPtr->logpalette.palNumEntries = cEntries;
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palPtr->logpalette.palVersion = prevVer;
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GDI_HEAP_UNLOCK( hPal );
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return TRUE;
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}
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/***********************************************************************
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* AnimatePalette16 (GDI.367)
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*/
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void WINAPI AnimatePalette16( HPALETTE16 hPal, UINT16 StartIndex,
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UINT16 NumEntries, const PALETTEENTRY* PaletteColors)
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{
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AnimatePalette( hPal, StartIndex, NumEntries, PaletteColors );
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}
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/***********************************************************************
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* AnimatePalette32 [GDI32.6] Replaces entries in logical palette
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*
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* RETURNS
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* Success: TRUE
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* Failure: FALSE
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*
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* FIXME
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* Should use existing mapping when animating a primary palette
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*/
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BOOL WINAPI AnimatePalette(
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HPALETTE hPal, /* [in] Handle to logical palette */
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UINT StartIndex, /* [in] First entry in palette */
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UINT NumEntries, /* [in] Count of entries in palette */
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const PALETTEENTRY* PaletteColors) /* [in] Pointer to first replacement */
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{
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TRACE(palette, "%04x (%i - %i)\n", hPal, StartIndex,StartIndex+NumEntries);
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if( hPal != STOCK_DEFAULT_PALETTE )
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{
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PALETTEOBJ* palPtr = (PALETTEOBJ *)GDI_GetObjPtr(hPal, PALETTE_MAGIC);
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if (!palPtr) return FALSE;
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if( (StartIndex + NumEntries) <= palPtr->logpalette.palNumEntries )
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{
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UINT u;
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for( u = 0; u < NumEntries; u++ )
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palPtr->logpalette.palPalEntry[u + StartIndex] = PaletteColors[u];
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PALETTE_Driver->
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pSetMapping(palPtr, StartIndex, NumEntries,
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hPal != hPrimaryPalette );
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GDI_HEAP_UNLOCK( hPal );
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return TRUE;
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}
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}
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return FALSE;
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}
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/***********************************************************************
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* SetSystemPaletteUse16 (GDI.373)
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*/
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UINT16 WINAPI SetSystemPaletteUse16( HDC16 hdc, UINT16 use )
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{
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return SetSystemPaletteUse( hdc, use );
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}
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/***********************************************************************
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* SetSystemPaletteUse32 [GDI32.335]
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*
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* RETURNS
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* Success: Previous system palette
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* Failure: SYSPAL_ERROR
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*/
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UINT WINAPI SetSystemPaletteUse(
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HDC hdc, /* [in] Handle of device context */
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UINT use) /* [in] Palette-usage flag */
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{
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UINT old = SystemPaletteUse;
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FIXME(palette,"(%04x,%04x): stub\n", hdc, use );
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SystemPaletteUse = use;
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return old;
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}
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/***********************************************************************
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* GetSystemPaletteUse16 (GDI.374)
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*/
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UINT16 WINAPI GetSystemPaletteUse16( HDC16 hdc )
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{
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return SystemPaletteUse;
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}
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/***********************************************************************
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* GetSystemPaletteUse32 [GDI32.223] Gets state of system palette
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*
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* RETURNS
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* Current state of system palette
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*/
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UINT WINAPI GetSystemPaletteUse(
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HDC hdc) /* [in] Handle of device context */
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{
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return SystemPaletteUse;
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}
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/***********************************************************************
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* GetSystemPaletteEntries16 (GDI.375)
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*/
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UINT16 WINAPI GetSystemPaletteEntries16( HDC16 hdc, UINT16 start, UINT16 count,
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LPPALETTEENTRY entries )
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{
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return GetSystemPaletteEntries( hdc, start, count, entries );
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}
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/***********************************************************************
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* GetSystemPaletteEntries32 [GDI32.222] Gets range of palette entries
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*
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* RETURNS
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* Success: Number of entries retrieved from palette
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* Failure: 0
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*/
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UINT WINAPI GetSystemPaletteEntries(
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HDC hdc, /* [in] Handle of device context */
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UINT start, /* [in] Index of first entry to be retrieved */
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UINT count, /* [in] Number of entries to be retrieved */
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LPPALETTEENTRY entries) /* [out] Array receiving system-palette entries */
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{
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UINT i;
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DC *dc;
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TRACE(palette, "hdc=%04x,start=%i,count=%i\n", hdc,start,count);
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if (!(dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC ))) return 0;
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if (!entries) return dc->w.devCaps->sizePalette;
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if (start >= dc->w.devCaps->sizePalette)
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{
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GDI_HEAP_UNLOCK( hdc );
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return 0;
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}
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if (start+count >= dc->w.devCaps->sizePalette)
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count = dc->w.devCaps->sizePalette - start;
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for (i = 0; i < count; i++)
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{
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*(COLORREF*)(entries + i) = COLOR_GetSystemPaletteEntry( start + i );
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TRACE(palette,"\tidx(%02x) -> RGB(%08lx)\n",
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start + i, *(COLORREF*)(entries + i) );
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}
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GDI_HEAP_UNLOCK( hdc );
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return count;
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}
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/***********************************************************************
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* GetNearestPaletteIndex16 (GDI.370)
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*/
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UINT16 WINAPI GetNearestPaletteIndex16( HPALETTE16 hpalette, COLORREF color )
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{
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return GetNearestPaletteIndex( hpalette, color );
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}
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/***********************************************************************
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* GetNearestPaletteIndex32 [GDI32.203] Gets palette index for color
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*
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* NOTES
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* Should index be initialized to CLR_INVALID instead of 0?
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*
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* RETURNS
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* Success: Index of entry in logical palette
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* Failure: CLR_INVALID
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*/
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UINT WINAPI GetNearestPaletteIndex(
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HPALETTE hpalette, /* [in] Handle of logical color palette */
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COLORREF color) /* [in] Color to be matched */
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{
|
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PALETTEOBJ* palObj = (PALETTEOBJ*)GDI_GetObjPtr( hpalette, PALETTE_MAGIC );
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UINT index = 0;
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|
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if( palObj )
|
|
index = COLOR_PaletteLookupPixel(palObj->logpalette.palPalEntry,
|
|
palObj->logpalette.palNumEntries,
|
|
NULL, color, FALSE );
|
|
|
|
TRACE(palette,"(%04x,%06lx): returning %d\n", hpalette, color, index );
|
|
GDI_HEAP_UNLOCK( hpalette );
|
|
return index;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetNearestColor16 (GDI.154)
|
|
*/
|
|
COLORREF WINAPI GetNearestColor16( HDC16 hdc, COLORREF color )
|
|
{
|
|
return GetNearestColor( hdc, color );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetNearestColor32 [GDI32.202] Gets a system color to match
|
|
*
|
|
* NOTES
|
|
* Should this return CLR_INVALID instead of FadeCafe?
|
|
*
|
|
* RETURNS
|
|
* Success: Color from system palette that corresponds to given color
|
|
* Failure: CLR_INVALID
|
|
*/
|
|
COLORREF WINAPI GetNearestColor(
|
|
HDC hdc, /* [in] Handle of device context */
|
|
COLORREF color) /* [in] Color to be matched */
|
|
{
|
|
COLORREF nearest = 0xFADECAFE;
|
|
DC *dc;
|
|
PALETTEOBJ *palObj;
|
|
|
|
if ( (dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC )) )
|
|
{
|
|
palObj = (PALETTEOBJ*)
|
|
GDI_GetObjPtr( (dc->w.hPalette)? dc->w.hPalette
|
|
: STOCK_DEFAULT_PALETTE, PALETTE_MAGIC );
|
|
if (!palObj) return nearest;
|
|
|
|
nearest = COLOR_LookupNearestColor( palObj->logpalette.palPalEntry,
|
|
palObj->logpalette.palNumEntries, color );
|
|
GDI_HEAP_UNLOCK( dc->w.hPalette );
|
|
}
|
|
|
|
TRACE(palette,"(%06lx): returning %06lx\n", color, nearest );
|
|
GDI_HEAP_UNLOCK( hdc );
|
|
return nearest;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* PALETTE_GetObject
|
|
*/
|
|
int PALETTE_GetObject( PALETTEOBJ * palette, int count, LPSTR buffer )
|
|
{
|
|
if (count > sizeof(WORD)) count = sizeof(WORD);
|
|
memcpy( buffer, &palette->logpalette.palNumEntries, count );
|
|
return count;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* PALETTE_UnrealizeObject
|
|
*/
|
|
BOOL PALETTE_UnrealizeObject( HPALETTE16 hpalette, PALETTEOBJ *palette )
|
|
{
|
|
if (palette->mapping)
|
|
{
|
|
free( palette->mapping );
|
|
palette->mapping = NULL;
|
|
}
|
|
if (hLastRealizedPalette == hpalette) hLastRealizedPalette = 0;
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* PALETTE_DeleteObject
|
|
*/
|
|
BOOL PALETTE_DeleteObject( HPALETTE16 hpalette, PALETTEOBJ *palette )
|
|
{
|
|
free( palette->mapping );
|
|
if (hLastRealizedPalette == hpalette) hLastRealizedPalette = 0;
|
|
return GDI_FreeObject( hpalette );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GDISelectPalette (GDI.361)
|
|
*/
|
|
HPALETTE16 WINAPI GDISelectPalette16( HDC16 hdc, HPALETTE16 hpal, WORD wBkg)
|
|
{
|
|
HPALETTE16 prev;
|
|
DC *dc;
|
|
|
|
TRACE(palette, "%04x %04x\n", hdc, hpal );
|
|
|
|
dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
|
|
if (!dc)
|
|
{
|
|
dc = (DC *)GDI_GetObjPtr(hdc, METAFILE_DC_MAGIC);
|
|
if (!dc) return 0;
|
|
}
|
|
prev = dc->w.hPalette;
|
|
dc->w.hPalette = hpal;
|
|
GDI_HEAP_UNLOCK( hdc );
|
|
if (!wBkg) hPrimaryPalette = hpal;
|
|
return prev;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GDIRealizePalette (GDI.362)
|
|
*/
|
|
UINT16 WINAPI GDIRealizePalette16( HDC16 hdc )
|
|
{
|
|
PALETTEOBJ* palPtr;
|
|
int realized = 0;
|
|
DC* dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
|
|
if (!dc)
|
|
{
|
|
dc = (DC *)GDI_GetObjPtr(hdc, METAFILE_DC_MAGIC);
|
|
if (!dc) return 0;
|
|
}
|
|
|
|
TRACE(palette, "%04x...\n", hdc );
|
|
|
|
if( dc && dc->w.hPalette != hLastRealizedPalette )
|
|
{
|
|
if( dc->w.hPalette == STOCK_DEFAULT_PALETTE )
|
|
return RealizeDefaultPalette16( hdc );
|
|
|
|
palPtr = (PALETTEOBJ *) GDI_GetObjPtr( dc->w.hPalette, PALETTE_MAGIC );
|
|
|
|
if (!palPtr) {
|
|
FIXME(palette,"invalid selected palette %04x\n",dc->w.hPalette);
|
|
return 0;
|
|
}
|
|
|
|
realized = PALETTE_Driver->
|
|
pSetMapping(palPtr,0,palPtr->logpalette.palNumEntries,
|
|
(dc->w.hPalette != hPrimaryPalette) ||
|
|
(dc->w.hPalette == STOCK_DEFAULT_PALETTE));
|
|
GDI_HEAP_UNLOCK( dc->w.hPalette );
|
|
hLastRealizedPalette = dc->w.hPalette;
|
|
}
|
|
else TRACE(palette, " skipping (hLastRealizedPalette = %04x)\n",
|
|
hLastRealizedPalette);
|
|
GDI_HEAP_UNLOCK( hdc );
|
|
|
|
TRACE(palette, " realized %i colors.\n", realized );
|
|
return (UINT16)realized;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* RealizeDefaultPalette (GDI.365)
|
|
*/
|
|
UINT16 WINAPI RealizeDefaultPalette16( HDC16 hdc )
|
|
{
|
|
DC *dc;
|
|
PALETTEOBJ* palPtr;
|
|
|
|
TRACE(palette,"%04x\n", hdc );
|
|
|
|
dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
|
|
if (!dc)
|
|
{
|
|
dc = (DC *)GDI_GetObjPtr(hdc, METAFILE_DC_MAGIC);
|
|
if (!dc) return 0;
|
|
}
|
|
|
|
if ( dc->w.flags & DC_MEMORY )
|
|
{
|
|
GDI_HEAP_UNLOCK( hdc );
|
|
return 0;
|
|
}
|
|
|
|
hPrimaryPalette = STOCK_DEFAULT_PALETTE;
|
|
hLastRealizedPalette = STOCK_DEFAULT_PALETTE;
|
|
|
|
palPtr = (PALETTEOBJ*)GDI_GetObjPtr(STOCK_DEFAULT_PALETTE, PALETTE_MAGIC );
|
|
if (!palPtr) return 0;
|
|
|
|
/* lookup is needed to account for SetSystemPaletteUse() stuff */
|
|
|
|
return PALETTE_Driver->pUpdateMapping(palPtr);
|
|
}
|
|
|
|
/***********************************************************************
|
|
* IsDCCurrentPalette (GDI.412)
|
|
*/
|
|
BOOL16 WINAPI IsDCCurrentPalette16(HDC16 hDC)
|
|
{
|
|
DC* dc = (DC *)GDI_GetObjPtr( hDC, DC_MAGIC );
|
|
if (dc)
|
|
{
|
|
GDI_HEAP_UNLOCK( hDC );
|
|
return dc->w.hPalette == hPrimaryPalette;
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* SelectPalette16 (USER.282)
|
|
*/
|
|
HPALETTE16 WINAPI SelectPalette16( HDC16 hDC, HPALETTE16 hPal,
|
|
BOOL16 bForceBackground )
|
|
{
|
|
return SelectPalette( hDC, hPal, bForceBackground );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* SelectPalette32 [GDI32.300] Selects logical palette into DC
|
|
*
|
|
* RETURNS
|
|
* Success: Previous logical palette
|
|
* Failure: NULL
|
|
*/
|
|
HPALETTE WINAPI SelectPalette(
|
|
HDC hDC, /* [in] Handle of device context */
|
|
HPALETTE hPal, /* [in] Handle of logical color palette */
|
|
BOOL bForceBackground) /* [in] Foreground/background mode */
|
|
{
|
|
WORD wBkgPalette = 1;
|
|
PALETTEOBJ* lpt = (PALETTEOBJ*) GDI_GetObjPtr( hPal, PALETTE_MAGIC );
|
|
|
|
TRACE(palette,"dc=%04x,pal=%04x,force=%i\n", hDC, hPal, bForceBackground);
|
|
if( !lpt ) return 0;
|
|
|
|
TRACE(palette," entries = %d\n", lpt->logpalette.palNumEntries);
|
|
GDI_HEAP_UNLOCK( hPal );
|
|
|
|
if( hPal != STOCK_DEFAULT_PALETTE )
|
|
{
|
|
HWND hWnd = WindowFromDC( hDC );
|
|
HWND hActive = GetActiveWindow();
|
|
|
|
/* set primary palette if it's related to current active */
|
|
|
|
if((!hWnd || (hActive == hWnd || IsChild16(hActive,hWnd))) &&
|
|
!bForceBackground )
|
|
wBkgPalette = 0;
|
|
}
|
|
return GDISelectPalette16( hDC, hPal, wBkgPalette);
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* RealizePalette16 (USER.283)
|
|
*/
|
|
UINT16 WINAPI RealizePalette16( HDC16 hDC )
|
|
{
|
|
return RealizePalette( hDC );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* RealizePalette32 [GDI32.280] Maps palette entries to system palette
|
|
*
|
|
* RETURNS
|
|
* Success: Number of entries in logical palette
|
|
* Failure: GDI_ERROR
|
|
*/
|
|
UINT WINAPI RealizePalette(
|
|
HDC hDC) /* [in] Handle of device context */
|
|
{
|
|
DC *dc;
|
|
UINT realized;
|
|
|
|
if (!(dc = (DC *) GDI_GetObjPtr( hDC, DC_MAGIC ))) return 0;
|
|
|
|
realized = GDIRealizePalette16( hDC );
|
|
|
|
/* do not send anything if no colors were changed */
|
|
|
|
if( IsDCCurrentPalette16( hDC ) && realized &&
|
|
dc->w.devCaps->sizePalette )
|
|
{
|
|
/* Send palette change notification */
|
|
|
|
HWND hWnd;
|
|
if( (hWnd = WindowFromDC( hDC )) )
|
|
SendMessage16( HWND_BROADCAST, WM_PALETTECHANGED, hWnd, 0L);
|
|
}
|
|
|
|
GDI_HEAP_UNLOCK( hDC );
|
|
return realized;
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* UpdateColors16 (GDI.366)
|
|
*/
|
|
INT16 WINAPI UpdateColors16( HDC16 hDC )
|
|
{
|
|
DC *dc;
|
|
HWND hWnd;
|
|
|
|
if (!(dc = (DC *) GDI_GetObjPtr( hDC, DC_MAGIC ))) return 0;
|
|
|
|
hWnd = WindowFromDC( hDC );
|
|
|
|
/* Docs say that we have to remap current drawable pixel by pixel
|
|
* but it would take forever given the speed of XGet/PutPixel.
|
|
*/
|
|
if (hWnd && dc->w.devCaps->sizePalette )
|
|
InvalidateRect( hWnd, NULL, FALSE );
|
|
|
|
GDI_HEAP_UNLOCK( hDC );
|
|
|
|
return 0x666;
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* UpdateColors32 [GDI32.359] Remaps current colors to logical palette
|
|
*
|
|
* RETURNS
|
|
* Success: TRUE
|
|
* Failure: FALSE
|
|
*/
|
|
BOOL WINAPI UpdateColors(
|
|
HDC hDC) /* [in] Handle of device context */
|
|
{
|
|
UpdateColors16( hDC );
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/*********************************************************************
|
|
* SetMagicColors16 (GDI.606)
|
|
*/
|
|
VOID WINAPI SetMagicColors16(HDC16 hDC, COLORREF color, UINT16 index)
|
|
{
|
|
FIXME(palette,"(hDC %04x, color %04x, index %04x): stub\n", hDC, (int)color, index);
|
|
|
|
}
|