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![Amine Khaldi](/assets/img/avatar_default.png)
* Create a branch for some evul shell experiments. svn path=/branches/shell-experiments/; revision=61927
634 lines
17 KiB
C
634 lines
17 KiB
C
/*
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* Copyright 2009 Vincent Povirk for CodeWeavers
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* Copyright 2012 Dmitry Timoshkov
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "wincodecs_private.h"
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typedef struct {
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IWICPalette IWICPalette_iface;
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LONG ref;
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UINT count;
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WICColor *colors;
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WICBitmapPaletteType type;
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CRITICAL_SECTION lock; /* must be held when count, colors, or type is accessed */
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} PaletteImpl;
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static inline PaletteImpl *impl_from_IWICPalette(IWICPalette *iface)
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{
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return CONTAINING_RECORD(iface, PaletteImpl, IWICPalette_iface);
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}
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static HRESULT WINAPI PaletteImpl_QueryInterface(IWICPalette *iface, REFIID iid,
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void **ppv)
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{
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PaletteImpl *This = impl_from_IWICPalette(iface);
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TRACE("(%p,%s,%p)\n", iface, debugstr_guid(iid), ppv);
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if (!ppv) return E_INVALIDARG;
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if (IsEqualIID(&IID_IUnknown, iid) || IsEqualIID(&IID_IWICPalette, iid))
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{
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*ppv = &This->IWICPalette_iface;
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}
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else
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{
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*ppv = NULL;
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return E_NOINTERFACE;
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}
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IUnknown_AddRef((IUnknown*)*ppv);
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return S_OK;
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}
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static ULONG WINAPI PaletteImpl_AddRef(IWICPalette *iface)
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{
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PaletteImpl *This = impl_from_IWICPalette(iface);
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ULONG ref = InterlockedIncrement(&This->ref);
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TRACE("(%p) refcount=%u\n", iface, ref);
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return ref;
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}
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static ULONG WINAPI PaletteImpl_Release(IWICPalette *iface)
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{
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PaletteImpl *This = impl_from_IWICPalette(iface);
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ULONG ref = InterlockedDecrement(&This->ref);
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TRACE("(%p) refcount=%u\n", iface, ref);
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if (ref == 0)
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{
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This->lock.DebugInfo->Spare[0] = 0;
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DeleteCriticalSection(&This->lock);
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HeapFree(GetProcessHeap(), 0, This->colors);
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HeapFree(GetProcessHeap(), 0, This);
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}
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return ref;
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}
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static WICColor *generate_gray16_palette(UINT *count)
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{
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WICColor *entries;
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UINT i;
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*count = 16;
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entries = HeapAlloc(GetProcessHeap(), 0, 16 * sizeof(WICColor));
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if (!entries) return NULL;
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for (i = 0; i < 16; i++)
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{
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entries[i] = 0xff000000;
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entries[i] |= (i<<20) | (i<<16) | (i<<12) | (i<<8) | (i<<4) | i;
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}
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return entries;
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}
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static WICColor *generate_gray256_palette(UINT *count)
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{
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WICColor *entries;
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UINT i;
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*count = 256;
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entries = HeapAlloc(GetProcessHeap(), 0, 256 * sizeof(WICColor));
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if (!entries) return NULL;
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for (i = 0; i < 256; i++)
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{
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entries[i] = 0xff000000;
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entries[i] |= (i<<16) | (i<<8) | i;
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}
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return entries;
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}
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static WICColor *generate_halftone8_palette(UINT *count, BOOL add_transparent)
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{
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WICColor *entries;
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UINT i;
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*count = add_transparent ? 17 : 16;
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entries = HeapAlloc(GetProcessHeap(), 0, *count * sizeof(WICColor));
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if (!entries) return NULL;
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for (i = 0; i < 8; i++)
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{
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entries[i] = 0xff000000;
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if (i & 1) entries[i] |= 0xff;
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if (i & 2) entries[i] |= 0xff00;
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if (i & 4) entries[i] |= 0xff0000;
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}
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for (i = 8; i < 16; i++)
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{
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static const DWORD halftone[8] = { 0xc0c0c0, 0x808080, 0x800000, 0x008000,
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0x000080, 0x808000, 0x800080, 0x008080 };
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entries[i] = 0xff000000;
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entries[i] |= halftone[i-8];
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}
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if (add_transparent)
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entries[i] = 0;
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return entries;
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}
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static WICColor *generate_halftone27_palette(UINT *count, BOOL add_transparent)
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{
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WICColor *entries;
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UINT i;
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*count = add_transparent ? 29 : 28;
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entries = HeapAlloc(GetProcessHeap(), 0, *count * sizeof(WICColor));
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if (!entries) return NULL;
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for (i = 0; i < 27; i++)
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{
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static const BYTE halftone_values[4] = { 0x00,0x80,0xff };
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entries[i] = 0xff000000;
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entries[i] |= halftone_values[i%3];
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entries[i] |= halftone_values[(i/3)%3] << 8;
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entries[i] |= halftone_values[(i/9)%3] << 16;
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}
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entries[i++] = 0xffc0c0c0;
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if (add_transparent)
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entries[i] = 0;
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return entries;
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}
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static WICColor *generate_halftone64_palette(UINT *count, BOOL add_transparent)
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{
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WICColor *entries;
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UINT i;
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*count = add_transparent ? 73 : 72;
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entries = HeapAlloc(GetProcessHeap(), 0, *count * sizeof(WICColor));
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if (!entries) return NULL;
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for (i = 0; i < 64; i++)
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{
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static const BYTE halftone_values[4] = { 0x00,0x55,0xaa,0xff };
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entries[i] = 0xff000000;
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entries[i] |= halftone_values[i%4];
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entries[i] |= halftone_values[(i/4)%4] << 8;
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entries[i] |= halftone_values[(i/16)%4] << 16;
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}
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for (i = 64; i < 72; i++)
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{
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static const DWORD halftone[8] = { 0xc0c0c0, 0x808080, 0x800000, 0x008000,
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0x000080, 0x808000, 0x800080, 0x008080 };
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entries[i] = 0xff000000;
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entries[i] |= halftone[i-64];
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}
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if (add_transparent)
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entries[i] = 0;
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return entries;
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}
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static WICColor *generate_halftone125_palette(UINT *count, BOOL add_transparent)
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{
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WICColor *entries;
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UINT i;
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*count = add_transparent ? 127 : 126;
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entries = HeapAlloc(GetProcessHeap(), 0, *count * sizeof(WICColor));
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if (!entries) return NULL;
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for (i = 0; i < 125; i++)
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{
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static const BYTE halftone_values[5] = { 0x00,0x40,0x80,0xbf,0xff };
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entries[i] = 0xff000000;
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entries[i] |= halftone_values[i%5];
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entries[i] |= halftone_values[(i/5)%5] << 8;
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entries[i] |= halftone_values[(i/25)%5] << 16;
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}
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entries[i++] = 0xffc0c0c0;
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if (add_transparent)
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entries[i] = 0;
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return entries;
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}
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static WICColor *generate_halftone216_palette(UINT *count, BOOL add_transparent)
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{
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WICColor *entries;
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UINT i;
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*count = add_transparent ? 225 : 224;
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entries = HeapAlloc(GetProcessHeap(), 0, *count * sizeof(WICColor));
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if (!entries) return NULL;
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for (i = 0; i < 216; i++)
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{
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static const BYTE halftone_values[6] = { 0x00,0x33,0x66,0x99,0xcc,0xff };
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entries[i] = 0xff000000;
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entries[i] |= halftone_values[i%6];
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entries[i] |= halftone_values[(i/6)%6] << 8;
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entries[i] |= halftone_values[(i/36)%6] << 16;
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}
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for (i = 216; i < 224; i++)
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{
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static const DWORD halftone[8] = { 0xc0c0c0, 0x808080, 0x800000, 0x008000,
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0x000080, 0x808000, 0x800080, 0x008080 };
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entries[i] = 0xff000000;
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entries[i] |= halftone[i-216];
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}
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if (add_transparent)
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entries[i] = 0;
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return entries;
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}
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static WICColor *generate_halftone252_palette(UINT *count, BOOL add_transparent)
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{
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WICColor *entries;
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UINT i;
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*count = add_transparent ? 253 : 252;
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entries = HeapAlloc(GetProcessHeap(), 0, *count * sizeof(WICColor));
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if (!entries) return NULL;
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for (i = 0; i < 252; i++)
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{
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static const BYTE halftone_values_rb[6] = { 0x00,0x33,0x66,0x99,0xcc,0xff };
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static const BYTE halftone_values_g[7] = { 0x00,0x2b,0x55,0x80,0xaa,0xd5,0xff };
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entries[i] = 0xff000000;
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entries[i] |= halftone_values_rb[i%6];
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entries[i] |= halftone_values_g[(i/6)%7] << 8;
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entries[i] |= halftone_values_rb[(i/42)%6] << 16;
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}
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if (add_transparent)
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entries[i] = 0;
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return entries;
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}
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static WICColor *generate_halftone256_palette(UINT *count, BOOL add_transparent)
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{
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WICColor *entries;
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UINT i;
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*count = 256;
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entries = HeapAlloc(GetProcessHeap(), 0, 256 * sizeof(WICColor));
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if (!entries) return NULL;
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for (i = 0; i < 256; i++)
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{
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static const BYTE halftone_values_b[4] = { 0x00,0x55,0xaa,0xff };
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static const BYTE halftone_values_gr[8] = { 0x00,0x24,0x49,0x6d,0x92,0xb6,0xdb,0xff };
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entries[i] = 0xff000000;
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entries[i] |= halftone_values_b[i%4];
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entries[i] |= halftone_values_gr[(i/4)%8] << 8;
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entries[i] |= halftone_values_gr[(i/32)%8] << 16;
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}
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if (add_transparent)
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entries[255] = 0;
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return entries;
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}
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static HRESULT WINAPI PaletteImpl_InitializePredefined(IWICPalette *iface,
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WICBitmapPaletteType type, BOOL add_transparent)
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{
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PaletteImpl *This = impl_from_IWICPalette(iface);
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WICColor *colors;
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UINT count;
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TRACE("(%p,%u,%d)\n", iface, type, add_transparent);
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switch (type)
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{
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case WICBitmapPaletteTypeFixedBW:
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count = 2;
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colors = HeapAlloc(GetProcessHeap(), 0, count * sizeof(WICColor));
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if (!colors) return E_OUTOFMEMORY;
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colors[0] = 0xff000000;
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colors[1] = 0xffffffff;
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break;
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case WICBitmapPaletteTypeFixedGray4:
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count = 4;
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colors = HeapAlloc(GetProcessHeap(), 0, count * sizeof(WICColor));
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if (!colors) return E_OUTOFMEMORY;
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colors[0] = 0xff000000;
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colors[1] = 0xff555555;
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colors[2] = 0xffaaaaaa;
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colors[3] = 0xffffffff;
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break;
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case WICBitmapPaletteTypeFixedGray16:
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colors = generate_gray16_palette(&count);
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if (!colors) return E_OUTOFMEMORY;
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break;
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case WICBitmapPaletteTypeFixedGray256:
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colors = generate_gray256_palette(&count);
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if (!colors) return E_OUTOFMEMORY;
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break;
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case WICBitmapPaletteTypeFixedHalftone8:
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colors = generate_halftone8_palette(&count, add_transparent);
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if (!colors) return E_OUTOFMEMORY;
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break;
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case WICBitmapPaletteTypeFixedHalftone27:
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colors = generate_halftone27_palette(&count, add_transparent);
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if (!colors) return E_OUTOFMEMORY;
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break;
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case WICBitmapPaletteTypeFixedHalftone64:
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colors = generate_halftone64_palette(&count, add_transparent);
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if (!colors) return E_OUTOFMEMORY;
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break;
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case WICBitmapPaletteTypeFixedHalftone125:
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colors = generate_halftone125_palette(&count, add_transparent);
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if (!colors) return E_OUTOFMEMORY;
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break;
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case WICBitmapPaletteTypeFixedHalftone216:
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colors = generate_halftone216_palette(&count, add_transparent);
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if (!colors) return E_OUTOFMEMORY;
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break;
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case WICBitmapPaletteTypeFixedHalftone252:
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colors = generate_halftone252_palette(&count, add_transparent);
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if (!colors) return E_OUTOFMEMORY;
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break;
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case WICBitmapPaletteTypeFixedHalftone256:
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colors = generate_halftone256_palette(&count, add_transparent);
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if (!colors) return E_OUTOFMEMORY;
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break;
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default:
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WARN("invalid palette type %u\n", type);
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return E_INVALIDARG;
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}
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EnterCriticalSection(&This->lock);
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HeapFree(GetProcessHeap(), 0, This->colors);
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This->colors = colors;
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This->count = count;
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This->type = type;
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LeaveCriticalSection(&This->lock);
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return S_OK;
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}
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static HRESULT WINAPI PaletteImpl_InitializeCustom(IWICPalette *iface,
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WICColor *pColors, UINT colorCount)
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{
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PaletteImpl *This = impl_from_IWICPalette(iface);
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WICColor *new_colors;
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TRACE("(%p,%p,%u)\n", iface, pColors, colorCount);
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if (colorCount == 0)
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{
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new_colors = NULL;
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}
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else
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{
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if (!pColors) return E_INVALIDARG;
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new_colors = HeapAlloc(GetProcessHeap(), 0, sizeof(WICColor) * colorCount);
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if (!new_colors) return E_OUTOFMEMORY;
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memcpy(new_colors, pColors, sizeof(WICColor) * colorCount);
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}
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EnterCriticalSection(&This->lock);
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HeapFree(GetProcessHeap(), 0, This->colors);
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This->colors = new_colors;
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This->count = colorCount;
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This->type = WICBitmapPaletteTypeCustom;
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LeaveCriticalSection(&This->lock);
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return S_OK;
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}
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static HRESULT WINAPI PaletteImpl_InitializeFromBitmap(IWICPalette *iface,
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IWICBitmapSource *pISurface, UINT colorCount, BOOL fAddTransparentColor)
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{
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FIXME("(%p,%p,%u,%i): stub\n", iface, pISurface, colorCount, fAddTransparentColor);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI PaletteImpl_InitializeFromPalette(IWICPalette *iface,
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IWICPalette *source)
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{
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PaletteImpl *This = impl_from_IWICPalette(iface);
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UINT count;
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WICColor *colors = NULL;
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WICBitmapPaletteType type;
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HRESULT hr;
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TRACE("(%p,%p)\n", iface, source);
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if (!source) return E_INVALIDARG;
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hr = IWICPalette_GetType(source, &type);
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if (hr != S_OK) return hr;
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hr = IWICPalette_GetColorCount(source, &count);
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if (hr != S_OK) return hr;
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if (count)
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{
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colors = HeapAlloc(GetProcessHeap(), 0, sizeof(WICColor) * count);
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if (!colors) return E_OUTOFMEMORY;
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hr = IWICPalette_GetColors(source, count, colors, &count);
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if (hr != S_OK)
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{
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HeapFree(GetProcessHeap(), 0, colors);
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return hr;
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}
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}
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EnterCriticalSection(&This->lock);
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HeapFree(GetProcessHeap(), 0, This->colors);
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This->colors = colors;
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This->count = count;
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This->type = type;
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LeaveCriticalSection(&This->lock);
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return S_OK;
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}
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static HRESULT WINAPI PaletteImpl_GetType(IWICPalette *iface,
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WICBitmapPaletteType *pePaletteType)
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{
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PaletteImpl *This = impl_from_IWICPalette(iface);
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TRACE("(%p,%p)\n", iface, pePaletteType);
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if (!pePaletteType) return E_INVALIDARG;
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EnterCriticalSection(&This->lock);
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*pePaletteType = This->type;
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LeaveCriticalSection(&This->lock);
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return S_OK;
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}
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static HRESULT WINAPI PaletteImpl_GetColorCount(IWICPalette *iface, UINT *pcCount)
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{
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PaletteImpl *This = impl_from_IWICPalette(iface);
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TRACE("(%p,%p)\n", iface, pcCount);
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if (!pcCount) return E_INVALIDARG;
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EnterCriticalSection(&This->lock);
|
|
*pcCount = This->count;
|
|
LeaveCriticalSection(&This->lock);
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI PaletteImpl_GetColors(IWICPalette *iface, UINT colorCount,
|
|
WICColor *pColors, UINT *pcActualColors)
|
|
{
|
|
PaletteImpl *This = impl_from_IWICPalette(iface);
|
|
|
|
TRACE("(%p,%i,%p,%p)\n", iface, colorCount, pColors, pcActualColors);
|
|
|
|
if (!pColors || !pcActualColors) return E_INVALIDARG;
|
|
|
|
EnterCriticalSection(&This->lock);
|
|
|
|
if (This->count < colorCount) colorCount = This->count;
|
|
|
|
memcpy(pColors, This->colors, sizeof(WICColor) * colorCount);
|
|
|
|
*pcActualColors = colorCount;
|
|
|
|
LeaveCriticalSection(&This->lock);
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI PaletteImpl_IsBlackWhite(IWICPalette *iface, BOOL *pfIsBlackWhite)
|
|
{
|
|
PaletteImpl *This = impl_from_IWICPalette(iface);
|
|
|
|
TRACE("(%p,%p)\n", iface, pfIsBlackWhite);
|
|
|
|
if (!pfIsBlackWhite) return E_INVALIDARG;
|
|
|
|
EnterCriticalSection(&This->lock);
|
|
if (This->type == WICBitmapPaletteTypeFixedBW)
|
|
*pfIsBlackWhite = TRUE;
|
|
else
|
|
*pfIsBlackWhite = FALSE;
|
|
LeaveCriticalSection(&This->lock);
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI PaletteImpl_IsGrayscale(IWICPalette *iface, BOOL *pfIsGrayscale)
|
|
{
|
|
PaletteImpl *This = impl_from_IWICPalette(iface);
|
|
|
|
TRACE("(%p,%p)\n", iface, pfIsGrayscale);
|
|
|
|
if (!pfIsGrayscale) return E_INVALIDARG;
|
|
|
|
EnterCriticalSection(&This->lock);
|
|
switch(This->type)
|
|
{
|
|
case WICBitmapPaletteTypeFixedBW:
|
|
case WICBitmapPaletteTypeFixedGray4:
|
|
case WICBitmapPaletteTypeFixedGray16:
|
|
case WICBitmapPaletteTypeFixedGray256:
|
|
*pfIsGrayscale = TRUE;
|
|
break;
|
|
default:
|
|
*pfIsGrayscale = FALSE;
|
|
}
|
|
LeaveCriticalSection(&This->lock);
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI PaletteImpl_HasAlpha(IWICPalette *iface, BOOL *pfHasAlpha)
|
|
{
|
|
PaletteImpl *This = impl_from_IWICPalette(iface);
|
|
UINT i;
|
|
|
|
TRACE("(%p,%p)\n", iface, pfHasAlpha);
|
|
|
|
if (!pfHasAlpha) return E_INVALIDARG;
|
|
|
|
*pfHasAlpha = FALSE;
|
|
|
|
EnterCriticalSection(&This->lock);
|
|
for (i=0; i<This->count; i++)
|
|
if ((This->colors[i]&0xff000000) != 0xff000000)
|
|
{
|
|
*pfHasAlpha = TRUE;
|
|
break;
|
|
}
|
|
LeaveCriticalSection(&This->lock);
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static const IWICPaletteVtbl PaletteImpl_Vtbl = {
|
|
PaletteImpl_QueryInterface,
|
|
PaletteImpl_AddRef,
|
|
PaletteImpl_Release,
|
|
PaletteImpl_InitializePredefined,
|
|
PaletteImpl_InitializeCustom,
|
|
PaletteImpl_InitializeFromBitmap,
|
|
PaletteImpl_InitializeFromPalette,
|
|
PaletteImpl_GetType,
|
|
PaletteImpl_GetColorCount,
|
|
PaletteImpl_GetColors,
|
|
PaletteImpl_IsBlackWhite,
|
|
PaletteImpl_IsGrayscale,
|
|
PaletteImpl_HasAlpha
|
|
};
|
|
|
|
HRESULT PaletteImpl_Create(IWICPalette **palette)
|
|
{
|
|
PaletteImpl *This;
|
|
|
|
This = HeapAlloc(GetProcessHeap(), 0, sizeof(PaletteImpl));
|
|
if (!This) return E_OUTOFMEMORY;
|
|
|
|
This->IWICPalette_iface.lpVtbl = &PaletteImpl_Vtbl;
|
|
This->ref = 1;
|
|
This->count = 0;
|
|
This->colors = NULL;
|
|
This->type = WICBitmapPaletteTypeCustom;
|
|
InitializeCriticalSection(&This->lock);
|
|
This->lock.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": PaletteImpl.lock");
|
|
|
|
*palette = &This->IWICPalette_iface;
|
|
|
|
return S_OK;
|
|
}
|