dlls/d2d1/state_block.c

   1 /*
   2  * Copyright 2015 Henri Verbeet for CodeWeavers
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  */
  18
  19 #include "d2d1_private.h"
  20
  21 WINE_DEFAULT_DEBUG_CHANNEL(d2d);
  22
  23 static inline struct d2d_state_block *impl_from_ID2D1DrawingStateBlock1(ID2D1DrawingStateBlock1 *iface)
  24 {
  25     return CONTAINING_RECORD(iface, struct d2d_state_block, ID2D1DrawingStateBlock1_iface);
  26 }
  27
  28 static HRESULT STDMETHODCALLTYPE d2d_state_block_QueryInterface(ID2D1DrawingStateBlock1 *iface, REFIID iid, void **out)
  29 {
  30     TRACE("iface %p, iid %s, out %p.\n", iface, debugstr_guid(iid), out);
  31
  32     if (IsEqualGUID(iid, &IID_ID2D1DrawingStateBlock1)
  33             || IsEqualGUID(iid, &IID_ID2D1DrawingStateBlock)
  34             || IsEqualGUID(iid, &IID_ID2D1Resource)
  35             || IsEqualGUID(iid, &IID_IUnknown))
  36     {
  37         ID2D1DrawingStateBlock1_AddRef(iface);
  38         *out = iface;
  39         return S_OK;
  40     }
  41
  42     WARN("%s not implemented, returning E_NOINTERFACE.\n", debugstr_guid(iid));
  43
  44     *out = NULL;
  45     return E_NOINTERFACE;
  46 }
  47
  48 static ULONG STDMETHODCALLTYPE d2d_state_block_AddRef(ID2D1DrawingStateBlock1 *iface)
  49 {
  50     struct d2d_state_block *state_block = impl_from_ID2D1DrawingStateBlock1(iface);
  51     ULONG refcount = InterlockedIncrement(&state_block->refcount);
  52
  53     TRACE("%p increasing refcount to %u.\n", iface, refcount);
  54
  55     return refcount;
  56 }
  57
  58 static ULONG STDMETHODCALLTYPE d2d_state_block_Release(ID2D1DrawingStateBlock1 *iface)
  59 {
  60     struct d2d_state_block *state_block = impl_from_ID2D1DrawingStateBlock1(iface);
  61     ULONG refcount = InterlockedDecrement(&state_block->refcount);
  62
  63     TRACE("%p decreasing refcount to %u.\n", iface, refcount);
  64
  65     if (!refcount)
  66     {
  67         if (state_block->text_rendering_params)
  68             IDWriteRenderingParams_Release(state_block->text_rendering_params);
  69         ID2D1Factory_Release(state_block->factory);
  70         heap_free(state_block);
  71     }
  72
  73     return refcount;
  74 }
  75
  76 static void STDMETHODCALLTYPE d2d_state_block_GetFactory(ID2D1DrawingStateBlock1 *iface, ID2D1Factory **factory)
  77 {
  78     struct d2d_state_block *state_block = impl_from_ID2D1DrawingStateBlock1(iface);
  79
  80     TRACE("iface %p, factory %p.\n", iface, factory);
  81
  82     ID2D1Factory_AddRef(*factory = state_block->factory);
  83 }
  84
  85 static void STDMETHODCALLTYPE d2d_state_block_GetDescription(ID2D1DrawingStateBlock1 *iface,
  86         D2D1_DRAWING_STATE_DESCRIPTION *desc)
  87 {
  88     struct d2d_state_block *state_block = impl_from_ID2D1DrawingStateBlock1(iface);
  89
  90     TRACE("iface %p, desc %p.\n", iface, desc);
  91
  92     memcpy(desc, &state_block->drawing_state, sizeof(*desc));
  93 }
  94
  95 static void STDMETHODCALLTYPE d2d_state_block_SetDescription(ID2D1DrawingStateBlock1 *iface,
  96         const D2D1_DRAWING_STATE_DESCRIPTION *desc)
  97 {
  98     struct d2d_state_block *state_block = impl_from_ID2D1DrawingStateBlock1(iface);
  99
 100     TRACE("iface %p, desc %p.\n", iface, desc);
 101
 102     memcpy(&state_block->drawing_state, desc, sizeof(*desc));
 103 }
 104
 105 static void STDMETHODCALLTYPE d2d_state_block_SetTextRenderingParams(ID2D1DrawingStateBlock1 *iface,
 106         IDWriteRenderingParams *text_rendering_params)
 107 {
 108     struct d2d_state_block *state_block = impl_from_ID2D1DrawingStateBlock1(iface);
 109
 110     TRACE("iface %p, text_rendering_params %p.\n", iface, text_rendering_params);
 111
 112     if (text_rendering_params)
 113         IDWriteRenderingParams_AddRef(text_rendering_params);
 114     if (state_block->text_rendering_params)
 115         IDWriteRenderingParams_Release(state_block->text_rendering_params);
 116     state_block->text_rendering_params = text_rendering_params;
 117 }
 118
 119 static void STDMETHODCALLTYPE d2d_state_block_GetTextRenderingParams(ID2D1DrawingStateBlock1 *iface,
 120         IDWriteRenderingParams **text_rendering_params)
 121 {
 122     struct d2d_state_block *state_block = impl_from_ID2D1DrawingStateBlock1(iface);
 123
 124     TRACE("iface %p, text_rendering_params %p.\n", iface, text_rendering_params);
 125
 126     if ((*text_rendering_params = state_block->text_rendering_params))
 127         IDWriteRenderingParams_AddRef(*text_rendering_params);
 128 }
 129
 130 static void STDMETHODCALLTYPE d2d_state_block_GetDescription1(ID2D1DrawingStateBlock1 *iface,
 131         D2D1_DRAWING_STATE_DESCRIPTION1 *desc)
 132 {
 133     struct d2d_state_block *state_block = impl_from_ID2D1DrawingStateBlock1(iface);
 134
 135     TRACE("iface %p, desc %p.\n", iface, desc);
 136
 137     *desc = state_block->drawing_state;
 138 }
 139
 140 static void STDMETHODCALLTYPE d2d_state_block_SetDescription1(ID2D1DrawingStateBlock1 *iface,
 141         const D2D1_DRAWING_STATE_DESCRIPTION1 *desc)
 142 {
 143     struct d2d_state_block *state_block = impl_from_ID2D1DrawingStateBlock1(iface);
 144
 145     TRACE("iface %p, desc %p.\n", iface, desc);
 146
 147     state_block->drawing_state = *desc;
 148 }
 149
 150 static const struct ID2D1DrawingStateBlock1Vtbl d2d_state_block_vtbl =
 151 {
 152     d2d_state_block_QueryInterface,
 153     d2d_state_block_AddRef,
 154     d2d_state_block_Release,
 155     d2d_state_block_GetFactory,
 156     d2d_state_block_GetDescription,
 157     d2d_state_block_SetDescription,
 158     d2d_state_block_SetTextRenderingParams,
 159     d2d_state_block_GetTextRenderingParams,
 160     d2d_state_block_GetDescription1,
 161     d2d_state_block_SetDescription1,
 162 };
 163
 164 void d2d_state_block_init(struct d2d_state_block *state_block, ID2D1Factory *factory,
 165         const D2D1_DRAWING_STATE_DESCRIPTION1 *desc, IDWriteRenderingParams *text_rendering_params)
 166 {
 167     static const D2D1_MATRIX_3X2_F identity =
 168     {{{
 169         1.0f, 0.0f,
 170         0.0f, 1.0f,
 171         0.0f, 0.0f,
 172     }}};
 173
 174     state_block->ID2D1DrawingStateBlock1_iface.lpVtbl = &d2d_state_block_vtbl;
 175     state_block->refcount = 1;
 176     ID2D1Factory_AddRef(state_block->factory = factory);
 177     if (desc)
 178         state_block->drawing_state = *desc;
 179     else
 180         state_block->drawing_state.transform = identity;
 181     if ((state_block->text_rendering_params = text_rendering_params))
 182         IDWriteRenderingParams_AddRef(state_block->text_rendering_params);
 183 }
 184
 185 struct d2d_state_block *unsafe_impl_from_ID2D1DrawingStateBlock(ID2D1DrawingStateBlock *iface)
 186 {
 187     if (!iface)
 188         return NULL;
 189     assert(iface->lpVtbl == (ID2D1DrawingStateBlockVtbl *)&d2d_state_block_vtbl);
 190     return CONTAINING_RECORD(iface, struct d2d_state_block, ID2D1DrawingStateBlock1_iface);
 191 }