Mercurial > vim
annotate src/gui_dwrite.cpp @ 13134:c4b5ad2b3596 v8.0.1441
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
commit https://github.com/vim/vim/commit/ce46d934af35d0f774be7f996001db03cf0b894a
Author: Bram Moolenaar <Bram@vim.org>
Date: Tue Jan 30 22:46:06 2018 +0100
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Problem: Using ":undo 0" leaves undo in wrong state.
Solution: Instead of searching for state 1 and go above, just use the start.
(Ozaki Kiichi, closes #2595)
| author | Christian Brabandt <cb@256bit.org> |
|---|---|
| date | Tue, 30 Jan 2018 23:00:06 +0100 |
| parents | cfce9ac1d1e8 |
| children | 808625d4b71b |
| rev | line source |
|---|---|
| 6110 | 1 /* vi:set ts=8 sts=4 sw=4 noet: */ |
| 2 /* | |
| 3 * Author: MURAOKA Taro <koron.kaoriya@gmail.com> | |
| 4 * | |
| 5 * Contributors: | |
| 6 * - Ken Takata | |
|
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7 * - Yasuhiro Matsumoto |
| 6110 | 8 * |
| 9 * Copyright (C) 2013 MURAOKA Taro <koron.kaoriya@gmail.com> | |
| 10 * THIS FILE IS DISTRIBUTED UNDER THE VIM LICENSE. | |
| 11 */ | |
| 12 | |
| 13 #define WIN32_LEAN_AND_MEAN | |
| 14 | |
| 15 #ifndef DYNAMIC_DIRECTX | |
| 16 # if WINVER < 0x0600 | |
| 17 # error WINVER must be 0x0600 or above to use DirectWrite(DirectX) | |
| 18 # endif | |
| 19 #endif | |
| 20 | |
| 21 #include <windows.h> | |
| 22 #include <crtdbg.h> | |
| 23 #include <assert.h> | |
| 24 #include <math.h> | |
| 25 #include <d2d1.h> | |
| 26 #include <d2d1helper.h> | |
|
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27 |
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28 // Disable these macros to compile with old VC and newer SDK (V8.1 or later). |
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29 #if defined(_MSC_VER) && (_MSC_VER < 1700) |
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30 # define _COM_Outptr_ __out |
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31 # define _In_reads_(s) |
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32 # define _In_reads_opt_(s) |
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33 # define _Maybenull_ |
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34 # define _Out_writes_(s) |
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35 # define _Out_writes_opt_(s) |
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36 # define _Out_writes_to_(x, y) |
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37 # define _Out_writes_to_opt_(x, y) |
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38 # define _Outptr_ |
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39 #endif |
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40 |
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41 #ifdef FEAT_DIRECTX_COLOR_EMOJI |
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42 # include <dwrite_2.h> |
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43 #else |
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44 # include <dwrite.h> |
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45 #endif |
| 6110 | 46 |
| 47 #include "gui_dwrite.h" | |
| 48 | |
| 49 #ifdef __MINGW32__ | |
| 50 # define __maybenull SAL__maybenull | |
| 51 # define __in SAL__in | |
| 52 # define __out SAL__out | |
| 53 #endif | |
| 54 | |
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55 #if (defined(_MSC_VER) && (_MSC_VER >= 1700)) || (__cplusplus >= 201103L) |
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56 # define FINAL final |
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57 #else |
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58 # define FINAL |
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59 #endif |
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60 |
| 6110 | 61 #ifdef DYNAMIC_DIRECTX |
| 62 extern "C" HINSTANCE vimLoadLib(char *name); | |
| 63 | |
| 64 typedef int (WINAPI *PGETUSERDEFAULTLOCALENAME)(LPWSTR, int); | |
| 65 typedef HRESULT (WINAPI *PD2D1CREATEFACTORY)(D2D1_FACTORY_TYPE, | |
| 66 REFIID, const D2D1_FACTORY_OPTIONS *, void **); | |
| 67 typedef HRESULT (WINAPI *PDWRITECREATEFACTORY)(DWRITE_FACTORY_TYPE, | |
| 68 REFIID, IUnknown **); | |
| 69 | |
| 70 static HINSTANCE hD2D1DLL = NULL; | |
| 71 static HINSTANCE hDWriteDLL = NULL; | |
| 72 | |
| 73 static PGETUSERDEFAULTLOCALENAME pGetUserDefaultLocaleName = NULL; | |
| 74 static PD2D1CREATEFACTORY pD2D1CreateFactory = NULL; | |
| 75 static PDWRITECREATEFACTORY pDWriteCreateFactory = NULL; | |
| 76 | |
| 77 #define GetUserDefaultLocaleName (*pGetUserDefaultLocaleName) | |
| 78 #define D2D1CreateFactory (*pD2D1CreateFactory) | |
| 79 #define DWriteCreateFactory (*pDWriteCreateFactory) | |
| 80 | |
| 81 static void | |
| 82 unload(HINSTANCE &hinst) | |
| 83 { | |
| 84 if (hinst != NULL) | |
| 85 { | |
| 86 FreeLibrary(hinst); | |
| 87 hinst = NULL; | |
| 88 } | |
| 89 } | |
| 90 #endif // DYNAMIC_DIRECTX | |
| 91 | |
| 92 template <class T> inline void SafeRelease(T **ppT) | |
| 93 { | |
| 94 if (*ppT) | |
| 95 { | |
| 96 (*ppT)->Release(); | |
| 97 *ppT = NULL; | |
| 98 } | |
| 99 } | |
| 100 | |
| 101 static DWRITE_PIXEL_GEOMETRY | |
| 102 ToPixelGeometry(int value) | |
| 103 { | |
| 104 switch (value) | |
| 105 { | |
| 106 default: | |
| 107 case 0: | |
| 108 return DWRITE_PIXEL_GEOMETRY_FLAT; | |
| 109 case 1: | |
| 110 return DWRITE_PIXEL_GEOMETRY_RGB; | |
| 111 case 2: | |
| 112 return DWRITE_PIXEL_GEOMETRY_BGR; | |
| 113 } | |
| 114 } | |
| 115 | |
| 116 static int | |
| 117 ToInt(DWRITE_PIXEL_GEOMETRY value) | |
| 118 { | |
| 119 switch (value) | |
| 120 { | |
| 121 case DWRITE_PIXEL_GEOMETRY_FLAT: | |
| 122 return 0; | |
| 123 case DWRITE_PIXEL_GEOMETRY_RGB: | |
| 124 return 1; | |
| 125 case DWRITE_PIXEL_GEOMETRY_BGR: | |
| 126 return 2; | |
| 127 default: | |
| 128 return -1; | |
| 129 } | |
| 130 } | |
| 131 | |
| 132 static DWRITE_RENDERING_MODE | |
| 133 ToRenderingMode(int value) | |
| 134 { | |
| 135 switch (value) | |
| 136 { | |
| 137 default: | |
| 138 case 0: | |
| 139 return DWRITE_RENDERING_MODE_DEFAULT; | |
| 140 case 1: | |
| 141 return DWRITE_RENDERING_MODE_ALIASED; | |
| 142 case 2: | |
| 143 return DWRITE_RENDERING_MODE_CLEARTYPE_GDI_CLASSIC; | |
| 144 case 3: | |
| 145 return DWRITE_RENDERING_MODE_CLEARTYPE_GDI_NATURAL; | |
| 146 case 4: | |
| 147 return DWRITE_RENDERING_MODE_CLEARTYPE_NATURAL; | |
| 148 case 5: | |
| 149 return DWRITE_RENDERING_MODE_CLEARTYPE_NATURAL_SYMMETRIC; | |
| 150 case 6: | |
| 151 return DWRITE_RENDERING_MODE_OUTLINE; | |
| 152 } | |
| 153 } | |
| 154 | |
| 155 static D2D1_TEXT_ANTIALIAS_MODE | |
| 156 ToTextAntialiasMode(int value) | |
| 157 { | |
| 158 switch (value) | |
| 159 { | |
| 160 default: | |
| 161 case 0: | |
| 162 return D2D1_TEXT_ANTIALIAS_MODE_DEFAULT; | |
| 163 case 1: | |
| 164 return D2D1_TEXT_ANTIALIAS_MODE_CLEARTYPE; | |
| 165 case 2: | |
| 166 return D2D1_TEXT_ANTIALIAS_MODE_GRAYSCALE; | |
| 167 case 3: | |
| 168 return D2D1_TEXT_ANTIALIAS_MODE_ALIASED; | |
| 169 } | |
| 170 } | |
| 171 | |
| 172 static int | |
| 173 ToInt(DWRITE_RENDERING_MODE value) | |
| 174 { | |
| 175 switch (value) | |
| 176 { | |
| 177 case DWRITE_RENDERING_MODE_DEFAULT: | |
| 178 return 0; | |
| 179 case DWRITE_RENDERING_MODE_ALIASED: | |
| 180 return 1; | |
| 181 case DWRITE_RENDERING_MODE_CLEARTYPE_GDI_CLASSIC: | |
| 182 return 2; | |
| 183 case DWRITE_RENDERING_MODE_CLEARTYPE_GDI_NATURAL: | |
| 184 return 3; | |
| 185 case DWRITE_RENDERING_MODE_CLEARTYPE_NATURAL: | |
| 186 return 4; | |
| 187 case DWRITE_RENDERING_MODE_CLEARTYPE_NATURAL_SYMMETRIC: | |
| 188 return 5; | |
| 189 case DWRITE_RENDERING_MODE_OUTLINE: | |
| 190 return 6; | |
| 191 default: | |
| 192 return -1; | |
| 193 } | |
| 194 } | |
| 195 | |
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196 class FontCache { |
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197 public: |
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198 struct Item { |
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199 HFONT hFont; |
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200 IDWriteTextFormat* pTextFormat; |
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201 DWRITE_FONT_WEIGHT fontWeight; |
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202 DWRITE_FONT_STYLE fontStyle; |
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203 Item() : hFont(NULL), pTextFormat(NULL) {} |
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204 }; |
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205 |
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206 private: |
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207 int mSize; |
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208 Item *mItems; |
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209 |
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210 public: |
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211 FontCache(int size = 2) : |
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212 mSize(size), |
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213 mItems(new Item[size]) |
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214 { |
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215 } |
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216 |
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217 ~FontCache() |
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218 { |
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219 for (int i = 0; i < mSize; ++i) |
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220 SafeRelease(&mItems[i].pTextFormat); |
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221 delete[] mItems; |
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222 } |
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223 |
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224 bool get(HFONT hFont, Item &item) |
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225 { |
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226 int n = find(hFont); |
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227 if (n < 0) |
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228 return false; |
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229 item = mItems[n]; |
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230 slide(n); |
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231 return true; |
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232 } |
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233 |
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234 void put(const Item& item) |
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235 { |
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236 int n = find(item.hFont); |
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237 if (n < 0) |
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238 n = mSize - 1; |
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239 if (mItems[n].pTextFormat != item.pTextFormat) |
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240 { |
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241 SafeRelease(&mItems[n].pTextFormat); |
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242 item.pTextFormat->AddRef(); |
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243 } |
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244 mItems[n] = item; |
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245 slide(n); |
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246 } |
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247 |
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248 private: |
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249 int find(HFONT hFont) |
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250 { |
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251 for (int i = 0; i < mSize; ++i) |
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252 { |
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253 if (mItems[i].hFont == hFont) |
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254 return i; |
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255 } |
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256 return -1; |
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257 } |
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258 |
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259 void slide(int nextTop) |
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260 { |
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261 if (nextTop == 0) |
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262 return; |
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263 Item tmp = mItems[nextTop]; |
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264 for (int i = nextTop - 1; i >= 0; --i) |
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265 mItems[i + 1] = mItems[i]; |
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266 mItems[0] = tmp; |
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267 } |
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268 }; |
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269 |
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270 enum DrawingMode { |
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271 DM_GDI = 0, |
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272 DM_DIRECTX = 1, |
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273 DM_INTEROP = 2, |
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274 }; |
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275 |
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276 struct DWriteContext { |
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277 HDC mHDC; |
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278 RECT mBindRect; |
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279 DrawingMode mDMode; |
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280 HDC mInteropHDC; |
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281 bool mDrawing; |
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282 bool mFallbackDC; |
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283 |
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284 ID2D1Factory *mD2D1Factory; |
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285 |
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286 ID2D1DCRenderTarget *mRT; |
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287 ID2D1GdiInteropRenderTarget *mGDIRT; |
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288 ID2D1SolidColorBrush *mBrush; |
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289 |
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290 IDWriteFactory *mDWriteFactory; |
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291 #ifdef FEAT_DIRECTX_COLOR_EMOJI |
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292 IDWriteFactory2 *mDWriteFactory2; |
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293 #endif |
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294 |
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295 IDWriteGdiInterop *mGdiInterop; |
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296 IDWriteRenderingParams *mRenderingParams; |
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297 |
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298 FontCache mFontCache; |
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299 IDWriteTextFormat *mTextFormat; |
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300 DWRITE_FONT_WEIGHT mFontWeight; |
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301 DWRITE_FONT_STYLE mFontStyle; |
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302 |
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303 D2D1_TEXT_ANTIALIAS_MODE mTextAntialiasMode; |
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304 |
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305 // METHODS |
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306 |
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307 DWriteContext(); |
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308 |
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309 virtual ~DWriteContext(); |
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310 |
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311 HRESULT CreateDeviceResources(); |
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312 |
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313 void DiscardDeviceResources(); |
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314 |
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315 HRESULT CreateTextFormatFromLOGFONT(const LOGFONTW &logFont, |
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316 IDWriteTextFormat **ppTextFormat); |
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317 |
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318 HRESULT SetFontByLOGFONT(const LOGFONTW &logFont); |
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319 |
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320 void SetFont(HFONT hFont); |
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321 |
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322 void BindDC(HDC hdc, const RECT *rect); |
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323 |
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324 HRESULT SetDrawingMode(DrawingMode mode); |
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325 |
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326 ID2D1Brush* SolidBrush(COLORREF color); |
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327 |
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328 void DrawText(const WCHAR *text, int len, |
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329 int x, int y, int w, int h, int cellWidth, COLORREF color, |
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330 UINT fuOptions, const RECT *lprc, const INT *lpDx); |
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331 |
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332 void FillRect(const RECT *rc, COLORREF color); |
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333 |
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334 void DrawLine(int x1, int y1, int x2, int y2, COLORREF color); |
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335 |
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336 void SetPixel(int x, int y, COLORREF color); |
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337 |
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338 void Flush(); |
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339 |
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340 void SetRenderingParams( |
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341 const DWriteRenderingParams *params); |
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342 |
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343 DWriteRenderingParams *GetRenderingParams( |
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344 DWriteRenderingParams *params); |
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345 }; |
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346 |
| 6110 | 347 class AdjustedGlyphRun : public DWRITE_GLYPH_RUN |
| 348 { | |
| 349 private: | |
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350 FLOAT &mAccum; |
| 6110 | 351 FLOAT mDelta; |
| 352 FLOAT *mAdjustedAdvances; | |
| 353 | |
| 354 public: | |
| 355 AdjustedGlyphRun( | |
| 356 const DWRITE_GLYPH_RUN *glyphRun, | |
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357 FLOAT cellWidth, |
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358 FLOAT &accum) : |
| 6110 | 359 DWRITE_GLYPH_RUN(*glyphRun), |
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360 mAccum(accum), |
| 6110 | 361 mDelta(0.0f), |
| 362 mAdjustedAdvances(new FLOAT[glyphRun->glyphCount]) | |
| 363 { | |
| 364 assert(cellWidth != 0.0f); | |
| 365 for (UINT32 i = 0; i < glyphRun->glyphCount; ++i) | |
| 366 { | |
| 367 FLOAT orig = glyphRun->glyphAdvances[i]; | |
| 368 FLOAT adjusted = adjustToCell(orig, cellWidth); | |
| 369 mAdjustedAdvances[i] = adjusted; | |
| 370 mDelta += adjusted - orig; | |
| 371 } | |
| 372 glyphAdvances = mAdjustedAdvances; | |
| 373 } | |
| 374 | |
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375 ~AdjustedGlyphRun() |
| 6110 | 376 { |
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377 mAccum += mDelta; |
| 6110 | 378 delete[] mAdjustedAdvances; |
| 379 } | |
| 380 | |
| 381 static FLOAT adjustToCell(FLOAT value, FLOAT cellWidth) | |
| 382 { | |
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383 int cellCount = int(floor(value / cellWidth + 0.5f)); |
| 6110 | 384 if (cellCount < 1) |
| 385 cellCount = 1; | |
| 386 return cellCount * cellWidth; | |
| 387 } | |
| 388 }; | |
| 389 | |
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390 struct TextRendererContext { |
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391 // const fields. |
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392 COLORREF color; |
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393 FLOAT cellWidth; |
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394 |
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395 // working fields. |
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396 FLOAT offsetX; |
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397 }; |
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398 |
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399 class TextRenderer FINAL : public IDWriteTextRenderer |
| 6110 | 400 { |
| 401 public: | |
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402 TextRenderer( |
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403 DWriteContext* pDWC) : |
| 6110 | 404 cRefCount_(0), |
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405 pDWC_(pDWC) |
| 6110 | 406 { |
| 407 AddRef(); | |
| 408 } | |
| 409 | |
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410 // add "virtual" to avoid a compiler warning |
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411 virtual ~TextRenderer() |
| 6110 | 412 { |
| 413 } | |
| 414 | |
| 415 IFACEMETHOD(IsPixelSnappingDisabled)( | |
| 416 __maybenull void* clientDrawingContext, | |
| 417 __out BOOL* isDisabled) | |
| 418 { | |
| 419 *isDisabled = FALSE; | |
| 420 return S_OK; | |
| 421 } | |
| 422 | |
| 423 IFACEMETHOD(GetCurrentTransform)( | |
| 424 __maybenull void* clientDrawingContext, | |
| 425 __out DWRITE_MATRIX* transform) | |
| 426 { | |
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427 // forward the render target's transform |
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428 pDWC_->mRT->GetTransform( |
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429 reinterpret_cast<D2D1_MATRIX_3X2_F*>(transform)); |
| 6110 | 430 return S_OK; |
| 431 } | |
| 432 | |
| 433 IFACEMETHOD(GetPixelsPerDip)( | |
| 434 __maybenull void* clientDrawingContext, | |
| 435 __out FLOAT* pixelsPerDip) | |
| 436 { | |
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437 float dpiX, unused; |
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438 pDWC_->mRT->GetDpi(&dpiX, &unused); |
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439 *pixelsPerDip = dpiX / 96.0f; |
| 6110 | 440 return S_OK; |
| 441 } | |
| 442 | |
| 443 IFACEMETHOD(DrawUnderline)( | |
| 444 __maybenull void* clientDrawingContext, | |
| 445 FLOAT baselineOriginX, | |
| 446 FLOAT baselineOriginY, | |
| 447 __in DWRITE_UNDERLINE const* underline, | |
| 448 IUnknown* clientDrawingEffect) | |
| 449 { | |
| 450 return E_NOTIMPL; | |
| 451 } | |
| 452 | |
| 453 IFACEMETHOD(DrawStrikethrough)( | |
| 454 __maybenull void* clientDrawingContext, | |
| 455 FLOAT baselineOriginX, | |
| 456 FLOAT baselineOriginY, | |
| 457 __in DWRITE_STRIKETHROUGH const* strikethrough, | |
| 458 IUnknown* clientDrawingEffect) | |
| 459 { | |
| 460 return E_NOTIMPL; | |
| 461 } | |
| 462 | |
| 463 IFACEMETHOD(DrawInlineObject)( | |
| 464 __maybenull void* clientDrawingContext, | |
| 465 FLOAT originX, | |
| 466 FLOAT originY, | |
| 467 IDWriteInlineObject* inlineObject, | |
| 468 BOOL isSideways, | |
| 469 BOOL isRightToLeft, | |
| 470 IUnknown* clientDrawingEffect) | |
| 471 { | |
| 472 return E_NOTIMPL; | |
| 473 } | |
| 474 | |
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475 IFACEMETHOD(DrawGlyphRun)( |
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476 __maybenull void* clientDrawingContext, |
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477 FLOAT baselineOriginX, |
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478 FLOAT baselineOriginY, |
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479 DWRITE_MEASURING_MODE measuringMode, |
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480 __in DWRITE_GLYPH_RUN const* glyphRun, |
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481 __in DWRITE_GLYPH_RUN_DESCRIPTION const* glyphRunDescription, |
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482 IUnknown* clientDrawingEffect) |
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483 { |
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484 TextRendererContext *context = |
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485 reinterpret_cast<TextRendererContext*>(clientDrawingContext); |
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486 |
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487 AdjustedGlyphRun adjustedGlyphRun(glyphRun, context->cellWidth, |
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488 context->offsetX); |
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489 |
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490 #ifdef FEAT_DIRECTX_COLOR_EMOJI |
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491 if (pDWC_->mDWriteFactory2 != NULL) |
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492 { |
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493 IDWriteColorGlyphRunEnumerator *enumerator = NULL; |
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494 HRESULT hr = pDWC_->mDWriteFactory2->TranslateColorGlyphRun( |
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495 baselineOriginX + context->offsetX, |
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496 baselineOriginY, |
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497 &adjustedGlyphRun, |
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498 NULL, |
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499 DWRITE_MEASURING_MODE_GDI_NATURAL, |
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500 NULL, |
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501 0, |
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502 &enumerator); |
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503 if (SUCCEEDED(hr)) |
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504 { |
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505 // Draw by IDWriteFactory2 for color emoji |
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506 BOOL hasRun = TRUE; |
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507 enumerator->MoveNext(&hasRun); |
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508 while (hasRun) |
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509 { |
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510 const DWRITE_COLOR_GLYPH_RUN* colorGlyphRun; |
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511 enumerator->GetCurrentRun(&colorGlyphRun); |
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512 |
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513 pDWC_->mBrush->SetColor(colorGlyphRun->runColor); |
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514 pDWC_->mRT->DrawGlyphRun( |
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515 D2D1::Point2F( |
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516 colorGlyphRun->baselineOriginX, |
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517 colorGlyphRun->baselineOriginY), |
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518 &colorGlyphRun->glyphRun, |
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519 pDWC_->mBrush, |
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520 DWRITE_MEASURING_MODE_NATURAL); |
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521 enumerator->MoveNext(&hasRun); |
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522 } |
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523 SafeRelease(&enumerator); |
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524 return S_OK; |
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525 } |
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526 } |
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527 #endif |
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528 |
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529 // Draw by IDWriteFactory (without color emoji) |
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530 pDWC_->mRT->DrawGlyphRun( |
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531 D2D1::Point2F( |
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532 baselineOriginX + context->offsetX, |
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533 baselineOriginY), |
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534 &adjustedGlyphRun, |
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535 pDWC_->SolidBrush(context->color), |
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536 DWRITE_MEASURING_MODE_NATURAL); |
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537 return S_OK; |
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538 } |
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539 |
| 6110 | 540 public: |
| 541 IFACEMETHOD_(unsigned long, AddRef) () | |
| 542 { | |
| 543 return InterlockedIncrement(&cRefCount_); | |
| 544 } | |
| 545 | |
| 546 IFACEMETHOD_(unsigned long, Release) () | |
| 547 { | |
| 548 long newCount = InterlockedDecrement(&cRefCount_); | |
| 549 | |
| 550 if (newCount == 0) | |
| 551 { | |
| 552 delete this; | |
| 553 return 0; | |
| 554 } | |
| 555 return newCount; | |
| 556 } | |
| 557 | |
| 558 IFACEMETHOD(QueryInterface)( | |
| 559 IID const& riid, | |
| 560 void** ppvObject) | |
| 561 { | |
| 562 if (__uuidof(IDWriteTextRenderer) == riid) | |
| 563 { | |
| 564 *ppvObject = this; | |
| 565 } | |
| 566 else if (__uuidof(IDWritePixelSnapping) == riid) | |
| 567 { | |
| 568 *ppvObject = this; | |
| 569 } | |
| 570 else if (__uuidof(IUnknown) == riid) | |
| 571 { | |
| 572 *ppvObject = this; | |
| 573 } | |
| 574 else | |
| 575 { | |
| 576 *ppvObject = NULL; | |
| 577 return E_FAIL; | |
| 578 } | |
| 579 | |
| 580 return S_OK; | |
| 581 } | |
| 582 | |
| 583 private: | |
| 6120 | 584 long cRefCount_; |
|
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585 DWriteContext* pDWC_; |
| 6110 | 586 }; |
| 587 | |
| 588 DWriteContext::DWriteContext() : | |
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589 mHDC(NULL), |
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590 mBindRect(), |
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591 mDMode(DM_GDI), |
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592 mInteropHDC(NULL), |
| 6110 | 593 mDrawing(false), |
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594 mFallbackDC(false), |
| 6110 | 595 mD2D1Factory(NULL), |
| 596 mRT(NULL), | |
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597 mGDIRT(NULL), |
| 6110 | 598 mBrush(NULL), |
| 599 mDWriteFactory(NULL), | |
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600 #ifdef FEAT_DIRECTX_COLOR_EMOJI |
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601 mDWriteFactory2(NULL), |
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602 #endif |
| 6110 | 603 mGdiInterop(NULL), |
| 604 mRenderingParams(NULL), | |
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605 mFontCache(8), |
| 6110 | 606 mTextFormat(NULL), |
| 607 mFontWeight(DWRITE_FONT_WEIGHT_NORMAL), | |
| 608 mFontStyle(DWRITE_FONT_STYLE_NORMAL), | |
| 609 mTextAntialiasMode(D2D1_TEXT_ANTIALIAS_MODE_DEFAULT) | |
| 610 { | |
| 611 HRESULT hr; | |
| 612 | |
| 613 hr = D2D1CreateFactory(D2D1_FACTORY_TYPE_SINGLE_THREADED, | |
| 614 __uuidof(ID2D1Factory), NULL, | |
| 615 reinterpret_cast<void**>(&mD2D1Factory)); | |
| 616 _RPT2(_CRT_WARN, "D2D1CreateFactory: hr=%p p=%p\n", hr, mD2D1Factory); | |
| 617 | |
| 618 if (SUCCEEDED(hr)) | |
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619 hr = CreateDeviceResources(); |
| 6110 | 620 |
| 621 if (SUCCEEDED(hr)) | |
| 622 { | |
| 623 hr = DWriteCreateFactory( | |
| 624 DWRITE_FACTORY_TYPE_SHARED, | |
| 625 __uuidof(IDWriteFactory), | |
| 626 reinterpret_cast<IUnknown**>(&mDWriteFactory)); | |
| 627 _RPT2(_CRT_WARN, "DWriteCreateFactory: hr=%p p=%p\n", hr, | |
| 628 mDWriteFactory); | |
| 629 } | |
| 630 | |
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631 #ifdef FEAT_DIRECTX_COLOR_EMOJI |
| 6110 | 632 if (SUCCEEDED(hr)) |
| 633 { | |
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634 DWriteCreateFactory( |
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635 DWRITE_FACTORY_TYPE_SHARED, |
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636 __uuidof(IDWriteFactory2), |
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637 reinterpret_cast<IUnknown**>(&mDWriteFactory2)); |
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638 _RPT1(_CRT_WARN, "IDWriteFactory2: %s\n", SUCCEEDED(hr) ? "available" : "not available"); |
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639 } |
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640 #endif |
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641 |
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642 if (SUCCEEDED(hr)) |
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643 { |
| 6110 | 644 hr = mDWriteFactory->GetGdiInterop(&mGdiInterop); |
| 645 _RPT2(_CRT_WARN, "GetGdiInterop: hr=%p p=%p\n", hr, mGdiInterop); | |
| 646 } | |
| 647 | |
| 648 if (SUCCEEDED(hr)) | |
| 649 { | |
| 650 hr = mDWriteFactory->CreateRenderingParams(&mRenderingParams); | |
| 651 _RPT2(_CRT_WARN, "CreateRenderingParams: hr=%p p=%p\n", hr, | |
| 652 mRenderingParams); | |
| 653 } | |
| 654 } | |
| 655 | |
| 656 DWriteContext::~DWriteContext() | |
| 657 { | |
| 658 SafeRelease(&mTextFormat); | |
| 659 SafeRelease(&mRenderingParams); | |
| 660 SafeRelease(&mGdiInterop); | |
| 661 SafeRelease(&mDWriteFactory); | |
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662 #ifdef FEAT_DIRECTX_COLOR_EMOJI |
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663 SafeRelease(&mDWriteFactory2); |
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664 #endif |
| 6110 | 665 SafeRelease(&mBrush); |
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666 SafeRelease(&mGDIRT); |
| 6110 | 667 SafeRelease(&mRT); |
| 668 SafeRelease(&mD2D1Factory); | |
| 669 } | |
| 670 | |
| 671 HRESULT | |
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672 DWriteContext::CreateDeviceResources() |
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673 { |
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674 HRESULT hr; |
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675 |
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676 if (mRT != NULL) |
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677 return S_OK; |
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678 |
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679 D2D1_RENDER_TARGET_PROPERTIES props = { |
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680 D2D1_RENDER_TARGET_TYPE_DEFAULT, |
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681 { DXGI_FORMAT_B8G8R8A8_UNORM, D2D1_ALPHA_MODE_IGNORE }, |
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682 0, 0, |
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683 D2D1_RENDER_TARGET_USAGE_GDI_COMPATIBLE, |
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684 D2D1_FEATURE_LEVEL_DEFAULT |
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685 }; |
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686 hr = mD2D1Factory->CreateDCRenderTarget(&props, &mRT); |
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687 _RPT2(_CRT_WARN, "CreateDCRenderTarget: hr=%p p=%p\n", hr, mRT); |
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688 |
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689 if (SUCCEEDED(hr)) |
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690 { |
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691 // This always succeeds. |
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692 mRT->QueryInterface( |
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693 __uuidof(ID2D1GdiInteropRenderTarget), |
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694 reinterpret_cast<void**>(&mGDIRT)); |
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695 _RPT1(_CRT_WARN, "GdiInteropRenderTarget: p=%p\n", mGDIRT); |
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696 } |
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697 |
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698 if (SUCCEEDED(hr)) |
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699 { |
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700 hr = mRT->CreateSolidColorBrush( |
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701 D2D1::ColorF(D2D1::ColorF::Black), |
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702 &mBrush); |
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703 _RPT2(_CRT_WARN, "CreateSolidColorBrush: hr=%p p=%p\n", hr, mBrush); |
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704 } |
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705 |
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706 if (SUCCEEDED(hr)) |
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707 { |
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708 if (mHDC != NULL) |
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709 { |
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710 mRT->BindDC(mHDC, &mBindRect); |
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711 mRT->SetTransform(D2D1::IdentityMatrix()); |
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712 } |
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713 } |
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714 |
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715 return hr; |
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716 } |
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717 |
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718 void |
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719 DWriteContext::DiscardDeviceResources() |
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720 { |
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721 SafeRelease(&mBrush); |
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722 SafeRelease(&mGDIRT); |
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changeset
|
723 SafeRelease(&mRT); |
|
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|
724 } |
|
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changeset
|
725 |
|
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patch 8.0.1369: MS-Windows: drawing underline slow, mFallbackDC not updated
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changeset
|
726 HRESULT |
|
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|
727 DWriteContext::CreateTextFormatFromLOGFONT(const LOGFONTW &logFont, |
|
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|
728 IDWriteTextFormat **ppTextFormat) |
| 6110 | 729 { |
|
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|
730 // Most of this function is copied from: https://github.com/Microsoft/Windows-classic-samples/blob/master/Samples/Win7Samples/multimedia/DirectWrite/RenderTest/TextHelpers.cpp |
| 6110 | 731 HRESULT hr = S_OK; |
|
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|
732 IDWriteTextFormat *pTextFormat = NULL; |
| 6110 | 733 |
| 734 IDWriteFont *font = NULL; | |
| 735 IDWriteFontFamily *fontFamily = NULL; | |
| 736 IDWriteLocalizedStrings *localizedFamilyNames = NULL; | |
|
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|
737 float fontSize = 0; |
| 6110 | 738 |
| 739 if (SUCCEEDED(hr)) | |
| 740 { | |
| 741 hr = mGdiInterop->CreateFontFromLOGFONT(&logFont, &font); | |
| 742 } | |
| 743 | |
| 744 // Get the font family to which this font belongs. | |
| 745 if (SUCCEEDED(hr)) | |
| 746 { | |
| 747 hr = font->GetFontFamily(&fontFamily); | |
| 748 } | |
| 749 | |
| 750 // Get the family names. This returns an object that encapsulates one or | |
| 751 // more names with the same meaning but in different languages. | |
| 752 if (SUCCEEDED(hr)) | |
| 753 { | |
| 754 hr = fontFamily->GetFamilyNames(&localizedFamilyNames); | |
| 755 } | |
| 756 | |
| 757 // Get the family name at index zero. If we were going to display the name | |
| 758 // we'd want to try to find one that matched the use locale, but for | |
| 759 // purposes of creating a text format object any language will do. | |
| 760 | |
| 761 wchar_t familyName[100]; | |
| 762 if (SUCCEEDED(hr)) | |
| 763 { | |
| 764 hr = localizedFamilyNames->GetString(0, familyName, | |
| 765 ARRAYSIZE(familyName)); | |
| 766 } | |
| 767 | |
| 768 if (SUCCEEDED(hr)) | |
| 769 { | |
|
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changeset
|
770 // Use lfHeight of the LOGFONT as font size. |
|
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|
771 fontSize = float(logFont.lfHeight); |
|
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changeset
|
772 |
|
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patch 8.0.1343: MS-Windows: does not show colored emojis
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changeset
|
773 if (fontSize < 0) |
|
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changeset
|
774 { |
|
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changeset
|
775 // Negative lfHeight represents the size of the em unit. |
|
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|
776 fontSize = -fontSize; |
|
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|
777 } |
|
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changeset
|
778 else |
| 6110 | 779 { |
|
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|
780 // Positive lfHeight represents the cell height (ascent + |
|
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|
781 // descent). |
|
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|
782 DWRITE_FONT_METRICS fontMetrics; |
|
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|
783 font->GetMetrics(&fontMetrics); |
| 6110 | 784 |
|
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|
785 // Convert the cell height (ascent + descent) from design units |
|
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|
786 // to ems. |
|
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|
787 float cellHeight = static_cast<float>( |
|
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|
788 fontMetrics.ascent + fontMetrics.descent) |
|
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patch 8.0.1343: MS-Windows: does not show colored emojis
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|
789 / fontMetrics.designUnitsPerEm; |
| 6110 | 790 |
|
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|
791 // Divide the font size by the cell height to get the font em |
|
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|
792 // size. |
|
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|
793 fontSize /= cellHeight; |
| 6110 | 794 } |
| 795 } | |
| 796 | |
| 797 // The text format includes a locale name. Ideally, this would be the | |
| 798 // language of the text, which may or may not be the same as the primary | |
| 799 // language of the user. However, for our purposes the user locale will do. | |
| 800 wchar_t localeName[LOCALE_NAME_MAX_LENGTH]; | |
| 801 if (SUCCEEDED(hr)) | |
| 802 { | |
| 803 if (GetUserDefaultLocaleName(localeName, LOCALE_NAME_MAX_LENGTH) == 0) | |
| 804 hr = HRESULT_FROM_WIN32(GetLastError()); | |
| 805 } | |
| 806 | |
| 807 if (SUCCEEDED(hr)) | |
| 808 { | |
| 809 // Create the text format object. | |
| 810 hr = mDWriteFactory->CreateTextFormat( | |
| 811 familyName, | |
| 812 NULL, // no custom font collection | |
| 813 font->GetWeight(), | |
| 814 font->GetStyle(), | |
| 815 font->GetStretch(), | |
| 816 fontSize, | |
| 817 localeName, | |
|
12934
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|
818 &pTextFormat); |
| 6110 | 819 } |
| 820 | |
| 821 if (SUCCEEDED(hr)) | |
|
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changeset
|
822 hr = pTextFormat->SetTextAlignment(DWRITE_TEXT_ALIGNMENT_LEADING); |
|
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changeset
|
823 |
|
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changeset
|
824 if (SUCCEEDED(hr)) |
|
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changeset
|
825 hr = pTextFormat->SetParagraphAlignment( |
|
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patch 8.0.1343: MS-Windows: does not show colored emojis
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changeset
|
826 DWRITE_PARAGRAPH_ALIGNMENT_CENTER); |
|
2ebc3df65ca2
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changeset
|
827 |
|
2ebc3df65ca2
patch 8.0.1343: MS-Windows: does not show colored emojis
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changeset
|
828 if (SUCCEEDED(hr)) |
|
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changeset
|
829 hr = pTextFormat->SetWordWrapping(DWRITE_WORD_WRAPPING_NO_WRAP); |
|
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changeset
|
830 |
|
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patch 8.0.1343: MS-Windows: does not show colored emojis
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changeset
|
831 SafeRelease(&localizedFamilyNames); |
|
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changeset
|
832 SafeRelease(&fontFamily); |
|
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changeset
|
833 SafeRelease(&font); |
|
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changeset
|
834 |
|
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patch 8.0.1343: MS-Windows: does not show colored emojis
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changeset
|
835 if (SUCCEEDED(hr)) |
|
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changeset
|
836 *ppTextFormat = pTextFormat; |
|
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changeset
|
837 else |
|
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patch 8.0.1343: MS-Windows: does not show colored emojis
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changeset
|
838 SafeRelease(&pTextFormat); |
|
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changeset
|
839 |
|
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patch 8.0.1343: MS-Windows: does not show colored emojis
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changeset
|
840 return hr; |
|
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changeset
|
841 } |
|
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patch 8.0.1343: MS-Windows: does not show colored emojis
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changeset
|
842 |
|
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patch 8.0.1343: MS-Windows: does not show colored emojis
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changeset
|
843 HRESULT |
|
2ebc3df65ca2
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changeset
|
844 DWriteContext::SetFontByLOGFONT(const LOGFONTW &logFont) |
|
2ebc3df65ca2
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changeset
|
845 { |
|
2ebc3df65ca2
patch 8.0.1343: MS-Windows: does not show colored emojis
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changeset
|
846 HRESULT hr = S_OK; |
|
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patch 8.0.1343: MS-Windows: does not show colored emojis
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changeset
|
847 IDWriteTextFormat *pTextFormat = NULL; |
|
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patch 8.0.1343: MS-Windows: does not show colored emojis
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changeset
|
848 |
|
2ebc3df65ca2
patch 8.0.1343: MS-Windows: does not show colored emojis
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changeset
|
849 hr = CreateTextFormatFromLOGFONT(logFont, &pTextFormat); |
|
2ebc3df65ca2
patch 8.0.1343: MS-Windows: does not show colored emojis
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changeset
|
850 |
|
2ebc3df65ca2
patch 8.0.1343: MS-Windows: does not show colored emojis
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diff
changeset
|
851 if (SUCCEEDED(hr)) |
| 6110 | 852 { |
|
12934
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changeset
|
853 SafeRelease(&mTextFormat); |
|
2ebc3df65ca2
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changeset
|
854 mTextFormat = pTextFormat; |
| 6110 | 855 mFontWeight = static_cast<DWRITE_FONT_WEIGHT>(logFont.lfWeight); |
| 856 mFontStyle = logFont.lfItalic ? DWRITE_FONT_STYLE_ITALIC | |
| 857 : DWRITE_FONT_STYLE_NORMAL; | |
| 858 } | |
| 859 | |
| 860 return hr; | |
| 861 } | |
| 862 | |
| 863 void | |
| 864 DWriteContext::SetFont(HFONT hFont) | |
| 865 { | |
|
12934
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changeset
|
866 FontCache::Item item; |
|
2ebc3df65ca2
patch 8.0.1343: MS-Windows: does not show colored emojis
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changeset
|
867 if (mFontCache.get(hFont, item)) |
| 6110 | 868 { |
|
12934
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changeset
|
869 if (item.pTextFormat != NULL) |
| 6110 | 870 { |
|
12934
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changeset
|
871 item.pTextFormat->AddRef(); |
|
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changeset
|
872 SafeRelease(&mTextFormat); |
|
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changeset
|
873 mTextFormat = item.pTextFormat; |
|
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changeset
|
874 mFontWeight = item.fontWeight; |
|
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changeset
|
875 mFontStyle = item.fontStyle; |
|
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changeset
|
876 mFallbackDC = false; |
| 6110 | 877 } |
|
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changeset
|
878 else |
|
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patch 8.0.1343: MS-Windows: does not show colored emojis
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changeset
|
879 mFallbackDC = true; |
|
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changeset
|
880 return; |
| 6110 | 881 } |
|
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changeset
|
882 |
|
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patch 8.0.1343: MS-Windows: does not show colored emojis
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changeset
|
883 HRESULT hr = E_FAIL; |
|
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changeset
|
884 LOGFONTW lf; |
|
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changeset
|
885 if (GetObjectW(hFont, sizeof(lf), &lf)) |
|
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patch 8.0.1343: MS-Windows: does not show colored emojis
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changeset
|
886 hr = SetFontByLOGFONT(lf); |
|
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patch 8.0.1343: MS-Windows: does not show colored emojis
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changeset
|
887 |
|
2ebc3df65ca2
patch 8.0.1343: MS-Windows: does not show colored emojis
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changeset
|
888 item.hFont = hFont; |
|
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changeset
|
889 if (SUCCEEDED(hr)) |
|
2ebc3df65ca2
patch 8.0.1343: MS-Windows: does not show colored emojis
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changeset
|
890 { |
|
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patch 8.0.1343: MS-Windows: does not show colored emojis
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changeset
|
891 item.pTextFormat = mTextFormat; |
|
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changeset
|
892 item.fontWeight = mFontWeight; |
|
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patch 8.0.1343: MS-Windows: does not show colored emojis
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changeset
|
893 item.fontStyle = mFontStyle; |
|
12986
18e6f4addce9
patch 8.0.1369: MS-Windows: drawing underline slow, mFallbackDC not updated
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parents:
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diff
changeset
|
894 mFallbackDC = false; |
|
12934
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changeset
|
895 } |
|
12986
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changeset
|
896 else |
|
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diff
changeset
|
897 mFallbackDC = true; |
|
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changeset
|
898 mFontCache.put(item); |
| 6110 | 899 } |
| 900 | |
| 901 void | |
|
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changeset
|
902 DWriteContext::BindDC(HDC hdc, const RECT *rect) |
| 6110 | 903 { |
|
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parents:
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diff
changeset
|
904 Flush(); |
|
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changeset
|
905 mRT->BindDC(hdc, rect); |
|
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changeset
|
906 mRT->SetTransform(D2D1::IdentityMatrix()); |
|
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changeset
|
907 mHDC = hdc; |
|
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changeset
|
908 mBindRect = *rect; |
| 6110 | 909 } |
| 910 | |
|
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changeset
|
911 HRESULT |
|
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changeset
|
912 DWriteContext::SetDrawingMode(DrawingMode mode) |
| 6110 | 913 { |
|
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changeset
|
914 HRESULT hr = S_OK; |
|
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changeset
|
915 |
|
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patch 8.0.1369: MS-Windows: drawing underline slow, mFallbackDC not updated
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changeset
|
916 switch (mode) |
|
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parents:
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changeset
|
917 { |
|
12986
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changeset
|
918 default: |
|
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patch 8.0.1369: MS-Windows: drawing underline slow, mFallbackDC not updated
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changeset
|
919 case DM_GDI: |
|
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changeset
|
920 if (mInteropHDC != NULL) |
|
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changeset
|
921 { |
|
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changeset
|
922 mGDIRT->ReleaseDC(NULL); |
|
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changeset
|
923 mInteropHDC = NULL; |
|
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diff
changeset
|
924 } |
|
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Christian Brabandt <cb@256bit.org>
parents:
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changeset
|
925 if (mDrawing) |
|
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changeset
|
926 { |
|
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patch 8.0.1369: MS-Windows: drawing underline slow, mFallbackDC not updated
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changeset
|
927 hr = mRT->EndDraw(); |
|
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changeset
|
928 if (hr == D2DERR_RECREATE_TARGET) |
|
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diff
changeset
|
929 { |
|
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changeset
|
930 hr = S_OK; |
|
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changeset
|
931 DiscardDeviceResources(); |
|
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changeset
|
932 CreateDeviceResources(); |
|
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changeset
|
933 } |
|
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changeset
|
934 mDrawing = false; |
|
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changeset
|
935 } |
|
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changeset
|
936 break; |
|
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Christian Brabandt <cb@256bit.org>
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changeset
|
937 |
|
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changeset
|
938 case DM_DIRECTX: |
|
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changeset
|
939 if (mInteropHDC != NULL) |
|
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changeset
|
940 { |
|
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changeset
|
941 mGDIRT->ReleaseDC(NULL); |
|
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changeset
|
942 mInteropHDC = NULL; |
|
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changeset
|
943 } |
|
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changeset
|
944 else if (mDrawing == false) |
|
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changeset
|
945 { |
|
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changeset
|
946 CreateDeviceResources(); |
|
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changeset
|
947 mRT->BeginDraw(); |
|
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changeset
|
948 mDrawing = true; |
|
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changeset
|
949 } |
|
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patch 8.0.1369: MS-Windows: drawing underline slow, mFallbackDC not updated
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diff
changeset
|
950 break; |
|
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Christian Brabandt <cb@256bit.org>
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diff
changeset
|
951 |
|
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Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
952 case DM_INTEROP: |
|
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diff
changeset
|
953 if (mDrawing == false) |
|
18e6f4addce9
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parents:
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diff
changeset
|
954 { |
|
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patch 8.0.1369: MS-Windows: drawing underline slow, mFallbackDC not updated
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parents:
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changeset
|
955 CreateDeviceResources(); |
|
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changeset
|
956 mRT->BeginDraw(); |
|
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changeset
|
957 mDrawing = true; |
|
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parents:
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diff
changeset
|
958 } |
|
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patch 8.0.1369: MS-Windows: drawing underline slow, mFallbackDC not updated
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
959 if (mInteropHDC == NULL) |
|
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parents:
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changeset
|
960 hr = mGDIRT->GetDC(D2D1_DC_INITIALIZE_MODE_COPY, &mInteropHDC); |
|
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parents:
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diff
changeset
|
961 break; |
|
12934
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parents:
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diff
changeset
|
962 } |
|
12986
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changeset
|
963 mDMode = mode; |
|
18e6f4addce9
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changeset
|
964 return hr; |
|
12934
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parents:
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diff
changeset
|
965 } |
|
2ebc3df65ca2
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Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
966 |
|
2ebc3df65ca2
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diff
changeset
|
967 ID2D1Brush* |
|
2ebc3df65ca2
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changeset
|
968 DWriteContext::SolidBrush(COLORREF color) |
|
2ebc3df65ca2
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changeset
|
969 { |
|
2ebc3df65ca2
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changeset
|
970 mBrush->SetColor(D2D1::ColorF(UINT32(GetRValue(color)) << 16 | |
|
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changeset
|
971 UINT32(GetGValue(color)) << 8 | UINT32(GetBValue(color)))); |
|
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changeset
|
972 return mBrush; |
|
2ebc3df65ca2
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changeset
|
973 } |
| 6110 | 974 |
|
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changeset
|
975 void |
|
12986
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changeset
|
976 DWriteContext::DrawText(const WCHAR *text, int len, |
|
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changeset
|
977 int x, int y, int w, int h, int cellWidth, COLORREF color, |
|
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changeset
|
978 UINT fuOptions, const RECT *lprc, const INT *lpDx) |
|
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changeset
|
979 { |
|
2ebc3df65ca2
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changeset
|
980 if (mFallbackDC) |
|
2ebc3df65ca2
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diff
changeset
|
981 { |
|
12986
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changeset
|
982 // Fall back to GDI rendering. |
|
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changeset
|
983 HRESULT hr = SetDrawingMode(DM_INTEROP); |
|
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changeset
|
984 if (SUCCEEDED(hr)) |
|
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changeset
|
985 { |
|
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changeset
|
986 HGDIOBJ hFont = ::GetCurrentObject(mHDC, OBJ_FONT); |
|
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changeset
|
987 HGDIOBJ hOldFont = ::SelectObject(mInteropHDC, hFont); |
|
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changeset
|
988 ::SetTextColor(mInteropHDC, color); |
|
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changeset
|
989 ::SetBkMode(mInteropHDC, ::GetBkMode(mHDC)); |
|
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changeset
|
990 ::ExtTextOutW(mInteropHDC, x, y, fuOptions, lprc, text, len, lpDx); |
|
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changeset
|
991 ::SelectObject(mInteropHDC, hOldFont); |
|
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changeset
|
992 } |
| 6110 | 993 return; |
|
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changeset
|
994 } |
| 6110 | 995 |
|
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changeset
|
996 HRESULT hr; |
|
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changeset
|
997 IDWriteTextLayout *textLayout = NULL; |
|
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changeset
|
998 |
|
12986
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changeset
|
999 SetDrawingMode(DM_DIRECTX); |
|
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changeset
|
1000 |
|
12934
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changeset
|
1001 hr = mDWriteFactory->CreateTextLayout(text, len, mTextFormat, |
|
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changeset
|
1002 FLOAT(w), FLOAT(h), &textLayout); |
| 6110 | 1003 |
| 1004 if (SUCCEEDED(hr)) | |
| 1005 { | |
|
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changeset
|
1006 DWRITE_TEXT_RANGE textRange = { 0, UINT32(len) }; |
|
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changeset
|
1007 textLayout->SetFontWeight(mFontWeight, textRange); |
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1008 textLayout->SetFontStyle(mFontStyle, textRange); |
| 6110 | 1009 |
|
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1010 TextRenderer renderer(this); |
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1011 TextRendererContext context = { color, FLOAT(cellWidth), 0.0f }; |
|
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1012 textLayout->Draw(&context, &renderer, FLOAT(x), FLOAT(y) - 0.5f); |
| 6110 | 1013 } |
| 1014 | |
|
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1015 SafeRelease(&textLayout); |
| 6110 | 1016 } |
| 1017 | |
|
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1018 void |
|
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1019 DWriteContext::FillRect(const RECT *rc, COLORREF color) |
|
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1020 { |
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1021 if (mDMode == DM_INTEROP) |
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1022 { |
|
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|
1023 // GDI functions are used before this call. Keep using GDI. |
|
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1024 // (Switching to Direct2D causes terrible slowdown.) |
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1025 HBRUSH hbr = ::CreateSolidBrush(color); |
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1026 ::FillRect(mInteropHDC, rc, hbr); |
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1027 ::DeleteObject(HGDIOBJ(hbr)); |
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1028 } |
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1029 else |
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1030 { |
|
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1031 SetDrawingMode(DM_DIRECTX); |
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1032 mRT->FillRectangle( |
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1033 D2D1::RectF(FLOAT(rc->left), FLOAT(rc->top), |
|
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1034 FLOAT(rc->right), FLOAT(rc->bottom)), |
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1035 SolidBrush(color)); |
|
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1036 } |
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1037 } |
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1038 |
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1039 void |
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1040 DWriteContext::DrawLine(int x1, int y1, int x2, int y2, COLORREF color) |
| 6110 | 1041 { |
|
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1042 if (mDMode == DM_INTEROP) |
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1043 { |
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1044 // GDI functions are used before this call. Keep using GDI. |
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1045 // (Switching to Direct2D causes terrible slowdown.) |
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1046 HPEN hpen = ::CreatePen(PS_SOLID, 1, color); |
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1047 HGDIOBJ old_pen = ::SelectObject(mInteropHDC, HGDIOBJ(hpen)); |
|
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1048 ::MoveToEx(mInteropHDC, x1, y1, NULL); |
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1049 ::LineTo(mInteropHDC, x2, y2); |
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1050 ::SelectObject(mInteropHDC, old_pen); |
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1051 ::DeleteObject(HGDIOBJ(hpen)); |
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1052 } |
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1053 else |
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1054 { |
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1055 SetDrawingMode(DM_DIRECTX); |
|
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1056 mRT->DrawLine( |
|
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1057 D2D1::Point2F(FLOAT(x1), FLOAT(y1) + 0.5f), |
|
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1058 D2D1::Point2F(FLOAT(x2), FLOAT(y2) + 0.5f), |
|
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1059 SolidBrush(color)); |
|
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1060 } |
|
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1061 } |
|
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|
1062 |
|
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1063 void |
|
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1064 DWriteContext::SetPixel(int x, int y, COLORREF color) |
|
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1065 { |
|
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1066 if (mDMode == DM_INTEROP) |
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1067 { |
|
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|
1068 // GDI functions are used before this call. Keep using GDI. |
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|
1069 // (Switching to Direct2D causes terrible slowdown.) |
|
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|
1070 ::SetPixel(mInteropHDC, x, y, color); |
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|
1071 } |
|
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|
1072 else |
|
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|
1073 { |
|
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|
1074 SetDrawingMode(DM_DIRECTX); |
|
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|
1075 // Direct2D doesn't have SetPixel API. Use DrawLine instead. |
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|
1076 mRT->DrawLine( |
|
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|
1077 D2D1::Point2F(FLOAT(x), FLOAT(y) + 0.5f), |
|
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|
1078 D2D1::Point2F(FLOAT(x+1), FLOAT(y) + 0.5f), |
|
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|
1079 SolidBrush(color)); |
|
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|
1080 } |
| 6110 | 1081 } |
| 1082 | |
|
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|
1083 void |
|
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|
1084 DWriteContext::Flush() |
| 6110 | 1085 { |
|
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|
1086 SetDrawingMode(DM_GDI); |
| 6110 | 1087 } |
| 1088 | |
| 1089 void | |
| 1090 DWriteContext::SetRenderingParams( | |
| 1091 const DWriteRenderingParams *params) | |
| 1092 { | |
| 1093 if (mDWriteFactory == NULL) | |
| 1094 return; | |
| 1095 | |
| 1096 IDWriteRenderingParams *renderingParams = NULL; | |
| 1097 D2D1_TEXT_ANTIALIAS_MODE textAntialiasMode = | |
| 1098 D2D1_TEXT_ANTIALIAS_MODE_DEFAULT; | |
| 1099 HRESULT hr; | |
| 1100 if (params != NULL) | |
| 1101 { | |
| 1102 hr = mDWriteFactory->CreateCustomRenderingParams(params->gamma, | |
| 1103 params->enhancedContrast, params->clearTypeLevel, | |
| 1104 ToPixelGeometry(params->pixelGeometry), | |
| 1105 ToRenderingMode(params->renderingMode), &renderingParams); | |
| 1106 textAntialiasMode = ToTextAntialiasMode(params->textAntialiasMode); | |
| 1107 } | |
| 1108 else | |
| 1109 hr = mDWriteFactory->CreateRenderingParams(&renderingParams); | |
| 1110 if (SUCCEEDED(hr) && renderingParams != NULL) | |
| 1111 { | |
| 1112 SafeRelease(&mRenderingParams); | |
| 1113 mRenderingParams = renderingParams; | |
| 1114 mTextAntialiasMode = textAntialiasMode; | |
|
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|
1115 |
|
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|
1116 Flush(); |
|
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|
1117 mRT->SetTextRenderingParams(mRenderingParams); |
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1118 mRT->SetTextAntialiasMode(mTextAntialiasMode); |
| 6110 | 1119 } |
| 1120 } | |
| 1121 | |
| 1122 DWriteRenderingParams * | |
| 1123 DWriteContext::GetRenderingParams( | |
| 1124 DWriteRenderingParams *params) | |
| 1125 { | |
| 1126 if (params != NULL && mRenderingParams != NULL) | |
| 1127 { | |
| 1128 params->gamma = mRenderingParams->GetGamma(); | |
| 1129 params->enhancedContrast = mRenderingParams->GetEnhancedContrast(); | |
| 1130 params->clearTypeLevel = mRenderingParams->GetClearTypeLevel(); | |
| 1131 params->pixelGeometry = ToInt(mRenderingParams->GetPixelGeometry()); | |
| 1132 params->renderingMode = ToInt(mRenderingParams->GetRenderingMode()); | |
| 1133 params->textAntialiasMode = mTextAntialiasMode; | |
| 1134 } | |
| 1135 return params; | |
| 1136 } | |
| 1137 | |
| 1138 //////////////////////////////////////////////////////////////////////////// | |
| 1139 // PUBLIC C INTERFACES | |
| 1140 | |
| 1141 void | |
| 1142 DWrite_Init(void) | |
| 1143 { | |
| 1144 #ifdef DYNAMIC_DIRECTX | |
| 1145 // Load libraries. | |
| 1146 hD2D1DLL = vimLoadLib(const_cast<char*>("d2d1.dll")); | |
| 1147 hDWriteDLL = vimLoadLib(const_cast<char*>("dwrite.dll")); | |
| 1148 if (hD2D1DLL == NULL || hDWriteDLL == NULL) | |
| 1149 { | |
| 1150 DWrite_Final(); | |
| 1151 return; | |
| 1152 } | |
| 1153 // Get address of procedures. | |
| 1154 pGetUserDefaultLocaleName = (PGETUSERDEFAULTLOCALENAME)GetProcAddress( | |
| 1155 GetModuleHandle("kernel32.dll"), "GetUserDefaultLocaleName"); | |
| 1156 pD2D1CreateFactory = (PD2D1CREATEFACTORY)GetProcAddress(hD2D1DLL, | |
| 1157 "D2D1CreateFactory"); | |
| 1158 pDWriteCreateFactory = (PDWRITECREATEFACTORY)GetProcAddress(hDWriteDLL, | |
| 1159 "DWriteCreateFactory"); | |
| 1160 #endif | |
| 1161 } | |
| 1162 | |
| 1163 void | |
| 1164 DWrite_Final(void) | |
| 1165 { | |
| 1166 #ifdef DYNAMIC_DIRECTX | |
| 1167 pGetUserDefaultLocaleName = NULL; | |
| 1168 pD2D1CreateFactory = NULL; | |
| 1169 pDWriteCreateFactory = NULL; | |
| 1170 unload(hDWriteDLL); | |
| 1171 unload(hD2D1DLL); | |
| 1172 #endif | |
| 1173 } | |
| 1174 | |
| 1175 DWriteContext * | |
| 1176 DWriteContext_Open(void) | |
| 1177 { | |
| 1178 #ifdef DYNAMIC_DIRECTX | |
| 1179 if (pGetUserDefaultLocaleName == NULL || pD2D1CreateFactory == NULL | |
| 1180 || pDWriteCreateFactory == NULL) | |
| 1181 return NULL; | |
| 1182 #endif | |
| 1183 return new DWriteContext(); | |
| 1184 } | |
| 1185 | |
| 1186 void | |
|
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|
1187 DWriteContext_BindDC(DWriteContext *ctx, HDC hdc, const RECT *rect) |
| 6110 | 1188 { |
|
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1189 if (ctx != NULL) |
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1190 ctx->BindDC(hdc, rect); |
| 6110 | 1191 } |
| 1192 | |
| 1193 void | |
| 1194 DWriteContext_SetFont(DWriteContext *ctx, HFONT hFont) | |
| 1195 { | |
| 1196 if (ctx != NULL) | |
| 1197 ctx->SetFont(hFont); | |
| 1198 } | |
| 1199 | |
| 1200 void | |
| 1201 DWriteContext_DrawText( | |
| 1202 DWriteContext *ctx, | |
|
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1203 const WCHAR *text, |
| 6110 | 1204 int len, |
| 1205 int x, | |
| 1206 int y, | |
| 1207 int w, | |
| 1208 int h, | |
| 1209 int cellWidth, | |
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1210 COLORREF color, |
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1211 UINT fuOptions, |
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1212 const RECT *lprc, |
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1213 const INT *lpDx) |
| 6110 | 1214 { |
| 1215 if (ctx != NULL) | |
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1216 ctx->DrawText(text, len, x, y, w, h, cellWidth, color, |
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1217 fuOptions, lprc, lpDx); |
| 6110 | 1218 } |
| 1219 | |
| 1220 void | |
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1221 DWriteContext_FillRect(DWriteContext *ctx, const RECT *rc, COLORREF color) |
| 6110 | 1222 { |
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1223 if (ctx != NULL) |
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1224 ctx->FillRect(rc, color); |
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1225 } |
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1226 |
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1227 void |
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1228 DWriteContext_DrawLine(DWriteContext *ctx, int x1, int y1, int x2, int y2, |
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1229 COLORREF color) |
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1230 { |
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1231 if (ctx != NULL) |
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1232 ctx->DrawLine(x1, y1, x2, y2, color); |
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1233 } |
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1234 |
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1235 void |
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1236 DWriteContext_SetPixel(DWriteContext *ctx, int x, int y, COLORREF color) |
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1237 { |
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1238 if (ctx != NULL) |
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1239 ctx->SetPixel(x, y, color); |
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1240 } |
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1241 |
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1242 void |
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1243 DWriteContext_Flush(DWriteContext *ctx) |
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1244 { |
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1245 if (ctx != NULL) |
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1246 ctx->Flush(); |
| 6110 | 1247 } |
| 1248 | |
| 1249 void | |
| 1250 DWriteContext_Close(DWriteContext *ctx) | |
| 1251 { | |
| 1252 delete ctx; | |
| 1253 } | |
| 1254 | |
| 1255 void | |
| 1256 DWriteContext_SetRenderingParams( | |
| 1257 DWriteContext *ctx, | |
| 1258 const DWriteRenderingParams *params) | |
| 1259 { | |
| 1260 if (ctx != NULL) | |
| 1261 ctx->SetRenderingParams(params); | |
| 1262 } | |
| 1263 | |
| 1264 DWriteRenderingParams * | |
| 1265 DWriteContext_GetRenderingParams( | |
| 1266 DWriteContext *ctx, | |
| 1267 DWriteRenderingParams *params) | |
| 1268 { | |
| 1269 if (ctx != NULL) | |
| 1270 return ctx->GetRenderingParams(params); | |
| 1271 else | |
| 1272 return NULL; | |
| 1273 } |