Mercurial > vim
annotate src/gui_dwrite.cpp @ 12952:7fd105bfe992 v8.0.1352
patch 8.0.1352: dead URLs in the help go unnoticed
commit https://github.com/vim/vim/commit/f38c86eb6b665d9fcd3d232820a48198eccac376
Author: Bram Moolenaar <Bram@vim.org>
Date: Tue Nov 28 14:19:07 2017 +0100
patch 8.0.1352: dead URLs in the help go unnoticed
Problem: Dead URLs in the help go unnoticed.
Solution: Add a script to check URLs in the help files. (Christian Brabandt)
| author | Christian Brabandt <cb@256bit.org> |
|---|---|
| date | Tue, 28 Nov 2017 14:30:05 +0100 |
| parents | 2ebc3df65ca2 |
| children | 18e6f4addce9 |
| 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 #include <dwrite_2.h> |
| 6110 | 42 |
| 43 #include "gui_dwrite.h" | |
| 44 | |
| 45 #ifdef __MINGW32__ | |
| 46 # define __maybenull SAL__maybenull | |
| 47 # define __in SAL__in | |
| 48 # define __out SAL__out | |
| 49 #endif | |
| 50 | |
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51 #if (defined(_MSC_VER) && (_MSC_VER >= 1700)) || (__cplusplus >= 201103L) |
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52 # define FINAL final |
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53 #else |
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54 # define FINAL |
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55 #endif |
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56 |
| 6110 | 57 #ifdef DYNAMIC_DIRECTX |
| 58 extern "C" HINSTANCE vimLoadLib(char *name); | |
| 59 | |
| 60 typedef int (WINAPI *PGETUSERDEFAULTLOCALENAME)(LPWSTR, int); | |
| 61 typedef HRESULT (WINAPI *PD2D1CREATEFACTORY)(D2D1_FACTORY_TYPE, | |
| 62 REFIID, const D2D1_FACTORY_OPTIONS *, void **); | |
| 63 typedef HRESULT (WINAPI *PDWRITECREATEFACTORY)(DWRITE_FACTORY_TYPE, | |
| 64 REFIID, IUnknown **); | |
| 65 | |
| 66 static HINSTANCE hD2D1DLL = NULL; | |
| 67 static HINSTANCE hDWriteDLL = NULL; | |
| 68 | |
| 69 static PGETUSERDEFAULTLOCALENAME pGetUserDefaultLocaleName = NULL; | |
| 70 static PD2D1CREATEFACTORY pD2D1CreateFactory = NULL; | |
| 71 static PDWRITECREATEFACTORY pDWriteCreateFactory = NULL; | |
| 72 | |
| 73 #define GetUserDefaultLocaleName (*pGetUserDefaultLocaleName) | |
| 74 #define D2D1CreateFactory (*pD2D1CreateFactory) | |
| 75 #define DWriteCreateFactory (*pDWriteCreateFactory) | |
| 76 | |
| 77 static void | |
| 78 unload(HINSTANCE &hinst) | |
| 79 { | |
| 80 if (hinst != NULL) | |
| 81 { | |
| 82 FreeLibrary(hinst); | |
| 83 hinst = NULL; | |
| 84 } | |
| 85 } | |
| 86 #endif // DYNAMIC_DIRECTX | |
| 87 | |
| 88 template <class T> inline void SafeRelease(T **ppT) | |
| 89 { | |
| 90 if (*ppT) | |
| 91 { | |
| 92 (*ppT)->Release(); | |
| 93 *ppT = NULL; | |
| 94 } | |
| 95 } | |
| 96 | |
| 97 static DWRITE_PIXEL_GEOMETRY | |
| 98 ToPixelGeometry(int value) | |
| 99 { | |
| 100 switch (value) | |
| 101 { | |
| 102 default: | |
| 103 case 0: | |
| 104 return DWRITE_PIXEL_GEOMETRY_FLAT; | |
| 105 case 1: | |
| 106 return DWRITE_PIXEL_GEOMETRY_RGB; | |
| 107 case 2: | |
| 108 return DWRITE_PIXEL_GEOMETRY_BGR; | |
| 109 } | |
| 110 } | |
| 111 | |
| 112 static int | |
| 113 ToInt(DWRITE_PIXEL_GEOMETRY value) | |
| 114 { | |
| 115 switch (value) | |
| 116 { | |
| 117 case DWRITE_PIXEL_GEOMETRY_FLAT: | |
| 118 return 0; | |
| 119 case DWRITE_PIXEL_GEOMETRY_RGB: | |
| 120 return 1; | |
| 121 case DWRITE_PIXEL_GEOMETRY_BGR: | |
| 122 return 2; | |
| 123 default: | |
| 124 return -1; | |
| 125 } | |
| 126 } | |
| 127 | |
| 128 static DWRITE_RENDERING_MODE | |
| 129 ToRenderingMode(int value) | |
| 130 { | |
| 131 switch (value) | |
| 132 { | |
| 133 default: | |
| 134 case 0: | |
| 135 return DWRITE_RENDERING_MODE_DEFAULT; | |
| 136 case 1: | |
| 137 return DWRITE_RENDERING_MODE_ALIASED; | |
| 138 case 2: | |
| 139 return DWRITE_RENDERING_MODE_CLEARTYPE_GDI_CLASSIC; | |
| 140 case 3: | |
| 141 return DWRITE_RENDERING_MODE_CLEARTYPE_GDI_NATURAL; | |
| 142 case 4: | |
| 143 return DWRITE_RENDERING_MODE_CLEARTYPE_NATURAL; | |
| 144 case 5: | |
| 145 return DWRITE_RENDERING_MODE_CLEARTYPE_NATURAL_SYMMETRIC; | |
| 146 case 6: | |
| 147 return DWRITE_RENDERING_MODE_OUTLINE; | |
| 148 } | |
| 149 } | |
| 150 | |
| 151 static D2D1_TEXT_ANTIALIAS_MODE | |
| 152 ToTextAntialiasMode(int value) | |
| 153 { | |
| 154 switch (value) | |
| 155 { | |
| 156 default: | |
| 157 case 0: | |
| 158 return D2D1_TEXT_ANTIALIAS_MODE_DEFAULT; | |
| 159 case 1: | |
| 160 return D2D1_TEXT_ANTIALIAS_MODE_CLEARTYPE; | |
| 161 case 2: | |
| 162 return D2D1_TEXT_ANTIALIAS_MODE_GRAYSCALE; | |
| 163 case 3: | |
| 164 return D2D1_TEXT_ANTIALIAS_MODE_ALIASED; | |
| 165 } | |
| 166 } | |
| 167 | |
| 168 static int | |
| 169 ToInt(DWRITE_RENDERING_MODE value) | |
| 170 { | |
| 171 switch (value) | |
| 172 { | |
| 173 case DWRITE_RENDERING_MODE_DEFAULT: | |
| 174 return 0; | |
| 175 case DWRITE_RENDERING_MODE_ALIASED: | |
| 176 return 1; | |
| 177 case DWRITE_RENDERING_MODE_CLEARTYPE_GDI_CLASSIC: | |
| 178 return 2; | |
| 179 case DWRITE_RENDERING_MODE_CLEARTYPE_GDI_NATURAL: | |
| 180 return 3; | |
| 181 case DWRITE_RENDERING_MODE_CLEARTYPE_NATURAL: | |
| 182 return 4; | |
| 183 case DWRITE_RENDERING_MODE_CLEARTYPE_NATURAL_SYMMETRIC: | |
| 184 return 5; | |
| 185 case DWRITE_RENDERING_MODE_OUTLINE: | |
| 186 return 6; | |
| 187 default: | |
| 188 return -1; | |
| 189 } | |
| 190 } | |
| 191 | |
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192 class FontCache { |
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193 public: |
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194 struct Item { |
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195 HFONT hFont; |
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196 IDWriteTextFormat* pTextFormat; |
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197 DWRITE_FONT_WEIGHT fontWeight; |
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198 DWRITE_FONT_STYLE fontStyle; |
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199 Item() : hFont(NULL), pTextFormat(NULL) {} |
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200 }; |
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201 |
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202 private: |
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203 int mSize; |
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204 Item *mItems; |
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205 |
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206 public: |
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207 FontCache(int size = 2) : |
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208 mSize(size), |
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209 mItems(new Item[size]) |
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210 { |
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211 } |
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212 |
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213 ~FontCache() |
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214 { |
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215 for (int i = 0; i < mSize; ++i) |
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216 SafeRelease(&mItems[i].pTextFormat); |
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217 delete[] mItems; |
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218 } |
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219 |
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220 bool get(HFONT hFont, Item &item) |
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221 { |
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222 int n = find(hFont); |
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223 if (n < 0) |
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224 return false; |
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225 item = mItems[n]; |
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226 slide(n); |
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227 return true; |
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228 } |
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229 |
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230 void put(const Item& item) |
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231 { |
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232 int n = find(item.hFont); |
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233 if (n < 0) |
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234 n = mSize - 1; |
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235 if (mItems[n].pTextFormat != item.pTextFormat) |
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236 { |
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237 SafeRelease(&mItems[n].pTextFormat); |
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238 item.pTextFormat->AddRef(); |
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239 } |
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240 mItems[n] = item; |
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241 slide(n); |
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242 } |
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243 |
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244 private: |
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245 int find(HFONT hFont) |
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246 { |
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247 for (int i = 0; i < mSize; ++i) |
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248 { |
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249 if (mItems[i].hFont == hFont) |
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250 return i; |
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251 } |
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252 return -1; |
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253 } |
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254 |
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255 void slide(int nextTop) |
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256 { |
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257 if (nextTop == 0) |
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258 return; |
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259 Item tmp = mItems[nextTop]; |
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260 for (int i = nextTop - 1; i >= 0; --i) |
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261 mItems[i + 1] = mItems[i]; |
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262 mItems[0] = tmp; |
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263 } |
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264 }; |
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265 |
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266 struct DWriteContext { |
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267 HDC mHDC; |
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268 bool mDrawing; |
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269 bool mFallbackDC; |
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270 |
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271 ID2D1Factory *mD2D1Factory; |
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272 |
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273 ID2D1DCRenderTarget *mRT; |
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274 ID2D1SolidColorBrush *mBrush; |
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275 |
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276 IDWriteFactory *mDWriteFactory; |
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277 IDWriteFactory2 *mDWriteFactory2; |
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278 |
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279 IDWriteGdiInterop *mGdiInterop; |
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280 IDWriteRenderingParams *mRenderingParams; |
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281 |
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282 FontCache mFontCache; |
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283 IDWriteTextFormat *mTextFormat; |
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284 DWRITE_FONT_WEIGHT mFontWeight; |
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285 DWRITE_FONT_STYLE mFontStyle; |
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286 |
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287 D2D1_TEXT_ANTIALIAS_MODE mTextAntialiasMode; |
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288 |
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289 // METHODS |
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290 |
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291 DWriteContext(); |
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292 |
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293 virtual ~DWriteContext(); |
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294 |
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295 HRESULT CreateTextFormatFromLOGFONT(const LOGFONTW &logFont, |
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296 IDWriteTextFormat **ppTextFormat); |
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297 |
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298 HRESULT SetFontByLOGFONT(const LOGFONTW &logFont); |
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299 |
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300 void SetFont(HFONT hFont); |
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301 |
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302 void BindDC(HDC hdc, RECT *rect); |
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303 |
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304 void AssureDrawing(); |
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305 |
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306 ID2D1Brush* SolidBrush(COLORREF color); |
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307 |
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308 void DrawText(const WCHAR* text, int len, |
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309 int x, int y, int w, int h, int cellWidth, COLORREF color, |
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310 UINT fuOptions, CONST RECT *lprc, CONST INT * lpDx); |
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311 |
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312 void FillRect(RECT *rc, COLORREF color); |
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313 |
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314 void Flush(); |
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315 |
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316 void SetRenderingParams( |
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317 const DWriteRenderingParams *params); |
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318 |
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319 DWriteRenderingParams *GetRenderingParams( |
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320 DWriteRenderingParams *params); |
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321 }; |
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322 |
| 6110 | 323 class AdjustedGlyphRun : public DWRITE_GLYPH_RUN |
| 324 { | |
| 325 private: | |
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326 FLOAT &mAccum; |
| 6110 | 327 FLOAT mDelta; |
| 328 FLOAT *mAdjustedAdvances; | |
| 329 | |
| 330 public: | |
| 331 AdjustedGlyphRun( | |
| 332 const DWRITE_GLYPH_RUN *glyphRun, | |
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333 FLOAT cellWidth, |
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334 FLOAT &accum) : |
| 6110 | 335 DWRITE_GLYPH_RUN(*glyphRun), |
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336 mAccum(accum), |
| 6110 | 337 mDelta(0.0f), |
| 338 mAdjustedAdvances(new FLOAT[glyphRun->glyphCount]) | |
| 339 { | |
| 340 assert(cellWidth != 0.0f); | |
| 341 for (UINT32 i = 0; i < glyphRun->glyphCount; ++i) | |
| 342 { | |
| 343 FLOAT orig = glyphRun->glyphAdvances[i]; | |
| 344 FLOAT adjusted = adjustToCell(orig, cellWidth); | |
| 345 mAdjustedAdvances[i] = adjusted; | |
| 346 mDelta += adjusted - orig; | |
| 347 } | |
| 348 glyphAdvances = mAdjustedAdvances; | |
| 349 } | |
| 350 | |
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351 ~AdjustedGlyphRun() |
| 6110 | 352 { |
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353 mAccum += mDelta; |
| 6110 | 354 delete[] mAdjustedAdvances; |
| 355 } | |
| 356 | |
| 357 static FLOAT adjustToCell(FLOAT value, FLOAT cellWidth) | |
| 358 { | |
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359 int cellCount = int(floor(value / cellWidth + 0.5f)); |
| 6110 | 360 if (cellCount < 1) |
| 361 cellCount = 1; | |
| 362 return cellCount * cellWidth; | |
| 363 } | |
| 364 }; | |
| 365 | |
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366 struct TextRendererContext { |
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367 // const fields. |
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368 COLORREF color; |
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369 FLOAT cellWidth; |
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370 |
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371 // working fields. |
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372 FLOAT offsetX; |
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373 }; |
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374 |
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375 class TextRenderer FINAL : public IDWriteTextRenderer |
| 6110 | 376 { |
| 377 public: | |
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378 TextRenderer( |
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379 DWriteContext* pDWC) : |
| 6110 | 380 cRefCount_(0), |
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381 pDWC_(pDWC) |
| 6110 | 382 { |
| 383 AddRef(); | |
| 384 } | |
| 385 | |
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386 // add "virtual" to avoid a compiler warning |
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387 virtual ~TextRenderer() |
| 6110 | 388 { |
| 389 } | |
| 390 | |
| 391 IFACEMETHOD(IsPixelSnappingDisabled)( | |
| 392 __maybenull void* clientDrawingContext, | |
| 393 __out BOOL* isDisabled) | |
| 394 { | |
| 395 *isDisabled = FALSE; | |
| 396 return S_OK; | |
| 397 } | |
| 398 | |
| 399 IFACEMETHOD(GetCurrentTransform)( | |
| 400 __maybenull void* clientDrawingContext, | |
| 401 __out DWRITE_MATRIX* transform) | |
| 402 { | |
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403 // forward the render target's transform |
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404 pDWC_->mRT->GetTransform( |
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405 reinterpret_cast<D2D1_MATRIX_3X2_F*>(transform)); |
| 6110 | 406 return S_OK; |
| 407 } | |
| 408 | |
| 409 IFACEMETHOD(GetPixelsPerDip)( | |
| 410 __maybenull void* clientDrawingContext, | |
| 411 __out FLOAT* pixelsPerDip) | |
| 412 { | |
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413 float dpiX, unused; |
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414 pDWC_->mRT->GetDpi(&dpiX, &unused); |
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415 *pixelsPerDip = dpiX / 96.0f; |
| 6110 | 416 return S_OK; |
| 417 } | |
| 418 | |
| 419 IFACEMETHOD(DrawUnderline)( | |
| 420 __maybenull void* clientDrawingContext, | |
| 421 FLOAT baselineOriginX, | |
| 422 FLOAT baselineOriginY, | |
| 423 __in DWRITE_UNDERLINE const* underline, | |
| 424 IUnknown* clientDrawingEffect) | |
| 425 { | |
| 426 return E_NOTIMPL; | |
| 427 } | |
| 428 | |
| 429 IFACEMETHOD(DrawStrikethrough)( | |
| 430 __maybenull void* clientDrawingContext, | |
| 431 FLOAT baselineOriginX, | |
| 432 FLOAT baselineOriginY, | |
| 433 __in DWRITE_STRIKETHROUGH const* strikethrough, | |
| 434 IUnknown* clientDrawingEffect) | |
| 435 { | |
| 436 return E_NOTIMPL; | |
| 437 } | |
| 438 | |
| 439 IFACEMETHOD(DrawInlineObject)( | |
| 440 __maybenull void* clientDrawingContext, | |
| 441 FLOAT originX, | |
| 442 FLOAT originY, | |
| 443 IDWriteInlineObject* inlineObject, | |
| 444 BOOL isSideways, | |
| 445 BOOL isRightToLeft, | |
| 446 IUnknown* clientDrawingEffect) | |
| 447 { | |
| 448 return E_NOTIMPL; | |
| 449 } | |
| 450 | |
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451 IFACEMETHOD(DrawGlyphRun)( |
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452 __maybenull void* clientDrawingContext, |
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453 FLOAT baselineOriginX, |
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454 FLOAT baselineOriginY, |
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455 DWRITE_MEASURING_MODE measuringMode, |
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456 __in DWRITE_GLYPH_RUN const* glyphRun, |
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457 __in DWRITE_GLYPH_RUN_DESCRIPTION const* glyphRunDescription, |
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458 IUnknown* clientDrawingEffect) |
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459 { |
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460 TextRendererContext *context = |
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461 reinterpret_cast<TextRendererContext*>(clientDrawingContext); |
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462 |
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463 AdjustedGlyphRun adjustedGlyphRun(glyphRun, context->cellWidth, |
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464 context->offsetX); |
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465 |
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466 if (pDWC_->mDWriteFactory2 != NULL) |
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467 { |
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468 IDWriteColorGlyphRunEnumerator *enumerator = NULL; |
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469 HRESULT hr = pDWC_->mDWriteFactory2->TranslateColorGlyphRun( |
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470 baselineOriginX + context->offsetX, |
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471 baselineOriginY, |
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472 &adjustedGlyphRun, |
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473 NULL, |
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474 DWRITE_MEASURING_MODE_GDI_NATURAL, |
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475 NULL, |
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476 0, |
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477 &enumerator); |
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478 if (SUCCEEDED(hr)) |
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479 { |
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480 // Draw by IDWriteFactory2 for color emoji |
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481 BOOL hasRun = TRUE; |
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482 enumerator->MoveNext(&hasRun); |
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483 while (hasRun) |
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484 { |
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485 const DWRITE_COLOR_GLYPH_RUN* colorGlyphRun; |
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486 enumerator->GetCurrentRun(&colorGlyphRun); |
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487 |
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488 pDWC_->mBrush->SetColor(colorGlyphRun->runColor); |
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489 pDWC_->mRT->DrawGlyphRun( |
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490 D2D1::Point2F( |
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491 colorGlyphRun->baselineOriginX, |
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492 colorGlyphRun->baselineOriginY), |
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493 &colorGlyphRun->glyphRun, |
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494 pDWC_->mBrush, |
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495 DWRITE_MEASURING_MODE_NATURAL); |
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496 enumerator->MoveNext(&hasRun); |
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497 } |
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498 SafeRelease(&enumerator); |
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499 return S_OK; |
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500 } |
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501 } |
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502 |
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503 // Draw by IDWriteFactory (without color emoji) |
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504 pDWC_->mRT->DrawGlyphRun( |
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505 D2D1::Point2F( |
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506 baselineOriginX + context->offsetX, |
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507 baselineOriginY), |
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508 &adjustedGlyphRun, |
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509 pDWC_->SolidBrush(context->color), |
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510 DWRITE_MEASURING_MODE_NATURAL); |
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511 return S_OK; |
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512 } |
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513 |
| 6110 | 514 public: |
| 515 IFACEMETHOD_(unsigned long, AddRef) () | |
| 516 { | |
| 517 return InterlockedIncrement(&cRefCount_); | |
| 518 } | |
| 519 | |
| 520 IFACEMETHOD_(unsigned long, Release) () | |
| 521 { | |
| 522 long newCount = InterlockedDecrement(&cRefCount_); | |
| 523 | |
| 524 if (newCount == 0) | |
| 525 { | |
| 526 delete this; | |
| 527 return 0; | |
| 528 } | |
| 529 return newCount; | |
| 530 } | |
| 531 | |
| 532 IFACEMETHOD(QueryInterface)( | |
| 533 IID const& riid, | |
| 534 void** ppvObject) | |
| 535 { | |
| 536 if (__uuidof(IDWriteTextRenderer) == riid) | |
| 537 { | |
| 538 *ppvObject = this; | |
| 539 } | |
| 540 else if (__uuidof(IDWritePixelSnapping) == riid) | |
| 541 { | |
| 542 *ppvObject = this; | |
| 543 } | |
| 544 else if (__uuidof(IUnknown) == riid) | |
| 545 { | |
| 546 *ppvObject = this; | |
| 547 } | |
| 548 else | |
| 549 { | |
| 550 *ppvObject = NULL; | |
| 551 return E_FAIL; | |
| 552 } | |
| 553 | |
| 554 return S_OK; | |
| 555 } | |
| 556 | |
| 557 private: | |
| 6120 | 558 long cRefCount_; |
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559 DWriteContext* pDWC_; |
| 6110 | 560 }; |
| 561 | |
| 562 DWriteContext::DWriteContext() : | |
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563 mHDC(NULL), |
| 6110 | 564 mDrawing(false), |
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565 mFallbackDC(false), |
| 6110 | 566 mD2D1Factory(NULL), |
| 567 mRT(NULL), | |
| 568 mBrush(NULL), | |
| 569 mDWriteFactory(NULL), | |
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570 mDWriteFactory2(NULL), |
| 6110 | 571 mGdiInterop(NULL), |
| 572 mRenderingParams(NULL), | |
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573 mFontCache(8), |
| 6110 | 574 mTextFormat(NULL), |
| 575 mFontWeight(DWRITE_FONT_WEIGHT_NORMAL), | |
| 576 mFontStyle(DWRITE_FONT_STYLE_NORMAL), | |
| 577 mTextAntialiasMode(D2D1_TEXT_ANTIALIAS_MODE_DEFAULT) | |
| 578 { | |
| 579 HRESULT hr; | |
| 580 | |
| 581 hr = D2D1CreateFactory(D2D1_FACTORY_TYPE_SINGLE_THREADED, | |
| 582 __uuidof(ID2D1Factory), NULL, | |
| 583 reinterpret_cast<void**>(&mD2D1Factory)); | |
| 584 _RPT2(_CRT_WARN, "D2D1CreateFactory: hr=%p p=%p\n", hr, mD2D1Factory); | |
| 585 | |
| 586 if (SUCCEEDED(hr)) | |
| 587 { | |
| 588 D2D1_RENDER_TARGET_PROPERTIES props = { | |
| 589 D2D1_RENDER_TARGET_TYPE_DEFAULT, | |
| 590 { DXGI_FORMAT_B8G8R8A8_UNORM, D2D1_ALPHA_MODE_IGNORE }, | |
| 591 0, 0, | |
| 592 D2D1_RENDER_TARGET_USAGE_NONE, | |
| 593 D2D1_FEATURE_LEVEL_DEFAULT | |
| 594 }; | |
| 595 hr = mD2D1Factory->CreateDCRenderTarget(&props, &mRT); | |
| 596 _RPT2(_CRT_WARN, "CreateDCRenderTarget: hr=%p p=%p\n", hr, mRT); | |
| 597 } | |
| 598 | |
| 599 if (SUCCEEDED(hr)) | |
| 600 { | |
| 601 hr = mRT->CreateSolidColorBrush( | |
| 602 D2D1::ColorF(D2D1::ColorF::Black), | |
| 603 &mBrush); | |
| 604 _RPT2(_CRT_WARN, "CreateSolidColorBrush: hr=%p p=%p\n", hr, mBrush); | |
| 605 } | |
| 606 | |
| 607 if (SUCCEEDED(hr)) | |
| 608 { | |
| 609 hr = DWriteCreateFactory( | |
| 610 DWRITE_FACTORY_TYPE_SHARED, | |
| 611 __uuidof(IDWriteFactory), | |
| 612 reinterpret_cast<IUnknown**>(&mDWriteFactory)); | |
| 613 _RPT2(_CRT_WARN, "DWriteCreateFactory: hr=%p p=%p\n", hr, | |
| 614 mDWriteFactory); | |
| 615 } | |
| 616 | |
| 617 if (SUCCEEDED(hr)) | |
| 618 { | |
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619 DWriteCreateFactory( |
|
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620 DWRITE_FACTORY_TYPE_SHARED, |
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621 __uuidof(IDWriteFactory2), |
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622 reinterpret_cast<IUnknown**>(&mDWriteFactory2)); |
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623 _RPT1(_CRT_WARN, "IDWriteFactory2: %s\n", SUCCEEDED(hr) ? "available" : "not available"); |
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624 } |
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625 |
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626 if (SUCCEEDED(hr)) |
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627 { |
| 6110 | 628 hr = mDWriteFactory->GetGdiInterop(&mGdiInterop); |
| 629 _RPT2(_CRT_WARN, "GetGdiInterop: hr=%p p=%p\n", hr, mGdiInterop); | |
| 630 } | |
| 631 | |
| 632 if (SUCCEEDED(hr)) | |
| 633 { | |
| 634 hr = mDWriteFactory->CreateRenderingParams(&mRenderingParams); | |
| 635 _RPT2(_CRT_WARN, "CreateRenderingParams: hr=%p p=%p\n", hr, | |
| 636 mRenderingParams); | |
| 637 } | |
| 638 } | |
| 639 | |
| 640 DWriteContext::~DWriteContext() | |
| 641 { | |
| 642 SafeRelease(&mTextFormat); | |
| 643 SafeRelease(&mRenderingParams); | |
| 644 SafeRelease(&mGdiInterop); | |
| 645 SafeRelease(&mDWriteFactory); | |
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646 SafeRelease(&mDWriteFactory2); |
| 6110 | 647 SafeRelease(&mBrush); |
| 648 SafeRelease(&mRT); | |
| 649 SafeRelease(&mD2D1Factory); | |
| 650 } | |
| 651 | |
| 652 HRESULT | |
|
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653 DWriteContext::CreateTextFormatFromLOGFONT(const LOGFONTW &logFont, |
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654 IDWriteTextFormat **ppTextFormat) |
| 6110 | 655 { |
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656 // Most of this function is copied from: https://github.com/Microsoft/Windows-classic-samples/blob/master/Samples/Win7Samples/multimedia/DirectWrite/RenderTest/TextHelpers.cpp |
| 6110 | 657 HRESULT hr = S_OK; |
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658 IDWriteTextFormat *pTextFormat = NULL; |
| 6110 | 659 |
| 660 IDWriteFont *font = NULL; | |
| 661 IDWriteFontFamily *fontFamily = NULL; | |
| 662 IDWriteLocalizedStrings *localizedFamilyNames = NULL; | |
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663 float fontSize = 0; |
| 6110 | 664 |
| 665 if (SUCCEEDED(hr)) | |
| 666 { | |
| 667 hr = mGdiInterop->CreateFontFromLOGFONT(&logFont, &font); | |
| 668 } | |
| 669 | |
| 670 // Get the font family to which this font belongs. | |
| 671 if (SUCCEEDED(hr)) | |
| 672 { | |
| 673 hr = font->GetFontFamily(&fontFamily); | |
| 674 } | |
| 675 | |
| 676 // Get the family names. This returns an object that encapsulates one or | |
| 677 // more names with the same meaning but in different languages. | |
| 678 if (SUCCEEDED(hr)) | |
| 679 { | |
| 680 hr = fontFamily->GetFamilyNames(&localizedFamilyNames); | |
| 681 } | |
| 682 | |
| 683 // Get the family name at index zero. If we were going to display the name | |
| 684 // we'd want to try to find one that matched the use locale, but for | |
| 685 // purposes of creating a text format object any language will do. | |
| 686 | |
| 687 wchar_t familyName[100]; | |
| 688 if (SUCCEEDED(hr)) | |
| 689 { | |
| 690 hr = localizedFamilyNames->GetString(0, familyName, | |
| 691 ARRAYSIZE(familyName)); | |
| 692 } | |
| 693 | |
| 694 if (SUCCEEDED(hr)) | |
| 695 { | |
|
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696 // Use lfHeight of the LOGFONT as font size. |
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697 fontSize = float(logFont.lfHeight); |
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698 |
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699 if (fontSize < 0) |
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700 { |
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701 // Negative lfHeight represents the size of the em unit. |
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702 fontSize = -fontSize; |
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703 } |
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704 else |
| 6110 | 705 { |
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706 // Positive lfHeight represents the cell height (ascent + |
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707 // descent). |
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708 DWRITE_FONT_METRICS fontMetrics; |
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709 font->GetMetrics(&fontMetrics); |
| 6110 | 710 |
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711 // Convert the cell height (ascent + descent) from design units |
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712 // to ems. |
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713 float cellHeight = static_cast<float>( |
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714 fontMetrics.ascent + fontMetrics.descent) |
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715 / fontMetrics.designUnitsPerEm; |
| 6110 | 716 |
|
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717 // Divide the font size by the cell height to get the font em |
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718 // size. |
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719 fontSize /= cellHeight; |
| 6110 | 720 } |
| 721 } | |
| 722 | |
| 723 // The text format includes a locale name. Ideally, this would be the | |
| 724 // language of the text, which may or may not be the same as the primary | |
| 725 // language of the user. However, for our purposes the user locale will do. | |
| 726 wchar_t localeName[LOCALE_NAME_MAX_LENGTH]; | |
| 727 if (SUCCEEDED(hr)) | |
| 728 { | |
| 729 if (GetUserDefaultLocaleName(localeName, LOCALE_NAME_MAX_LENGTH) == 0) | |
| 730 hr = HRESULT_FROM_WIN32(GetLastError()); | |
| 731 } | |
| 732 | |
| 733 if (SUCCEEDED(hr)) | |
| 734 { | |
| 735 // Create the text format object. | |
| 736 hr = mDWriteFactory->CreateTextFormat( | |
| 737 familyName, | |
| 738 NULL, // no custom font collection | |
| 739 font->GetWeight(), | |
| 740 font->GetStyle(), | |
| 741 font->GetStretch(), | |
| 742 fontSize, | |
| 743 localeName, | |
|
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744 &pTextFormat); |
| 6110 | 745 } |
| 746 | |
| 747 if (SUCCEEDED(hr)) | |
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748 hr = pTextFormat->SetTextAlignment(DWRITE_TEXT_ALIGNMENT_LEADING); |
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749 |
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750 if (SUCCEEDED(hr)) |
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751 hr = pTextFormat->SetParagraphAlignment( |
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752 DWRITE_PARAGRAPH_ALIGNMENT_CENTER); |
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753 |
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754 if (SUCCEEDED(hr)) |
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755 hr = pTextFormat->SetWordWrapping(DWRITE_WORD_WRAPPING_NO_WRAP); |
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756 |
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757 SafeRelease(&localizedFamilyNames); |
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758 SafeRelease(&fontFamily); |
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759 SafeRelease(&font); |
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760 |
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761 if (SUCCEEDED(hr)) |
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762 *ppTextFormat = pTextFormat; |
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763 else |
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764 SafeRelease(&pTextFormat); |
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765 |
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766 return hr; |
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767 } |
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768 |
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769 HRESULT |
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770 DWriteContext::SetFontByLOGFONT(const LOGFONTW &logFont) |
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771 { |
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772 HRESULT hr = S_OK; |
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773 IDWriteTextFormat *pTextFormat = NULL; |
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774 |
|
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775 hr = CreateTextFormatFromLOGFONT(logFont, &pTextFormat); |
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776 |
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777 if (SUCCEEDED(hr)) |
| 6110 | 778 { |
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779 SafeRelease(&mTextFormat); |
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780 mTextFormat = pTextFormat; |
| 6110 | 781 mFontWeight = static_cast<DWRITE_FONT_WEIGHT>(logFont.lfWeight); |
| 782 mFontStyle = logFont.lfItalic ? DWRITE_FONT_STYLE_ITALIC | |
| 783 : DWRITE_FONT_STYLE_NORMAL; | |
| 784 } | |
| 785 | |
| 786 return hr; | |
| 787 } | |
| 788 | |
| 789 void | |
| 790 DWriteContext::SetFont(HFONT hFont) | |
| 791 { | |
|
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792 FontCache::Item item; |
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793 if (mFontCache.get(hFont, item)) |
| 6110 | 794 { |
|
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795 if (item.pTextFormat != NULL) |
| 6110 | 796 { |
|
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797 item.pTextFormat->AddRef(); |
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798 SafeRelease(&mTextFormat); |
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799 mTextFormat = item.pTextFormat; |
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800 mFontWeight = item.fontWeight; |
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801 mFontStyle = item.fontStyle; |
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802 mFallbackDC = false; |
| 6110 | 803 } |
|
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804 else |
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805 mFallbackDC = true; |
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806 return; |
| 6110 | 807 } |
|
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808 |
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809 HRESULT hr = E_FAIL; |
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810 LOGFONTW lf; |
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811 if (GetObjectW(hFont, sizeof(lf), &lf)) |
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812 hr = SetFontByLOGFONT(lf); |
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813 |
|
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814 item.hFont = hFont; |
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815 if (SUCCEEDED(hr)) |
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816 { |
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817 item.pTextFormat = mTextFormat; |
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818 item.fontWeight = mFontWeight; |
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819 item.fontStyle = mFontStyle; |
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820 } |
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821 mFontCache.put(item); |
| 6110 | 822 } |
| 823 | |
| 824 void | |
|
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825 DWriteContext::BindDC(HDC hdc, RECT *rect) |
| 6110 | 826 { |
|
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827 Flush(); |
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828 mRT->BindDC(hdc, rect); |
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829 mRT->SetTransform(D2D1::IdentityMatrix()); |
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830 mHDC = hdc; |
| 6110 | 831 } |
| 832 | |
| 833 void | |
|
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834 DWriteContext::AssureDrawing() |
| 6110 | 835 { |
|
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836 if (mDrawing == false) |
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837 { |
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838 mRT->BeginDraw(); |
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839 mDrawing = true; |
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840 } |
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841 } |
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842 |
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843 ID2D1Brush* |
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844 DWriteContext::SolidBrush(COLORREF color) |
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845 { |
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846 mBrush->SetColor(D2D1::ColorF(UINT32(GetRValue(color)) << 16 | |
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847 UINT32(GetGValue(color)) << 8 | UINT32(GetBValue(color)))); |
|
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848 return mBrush; |
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849 } |
| 6110 | 850 |
|
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851 void |
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852 DWriteContext::DrawText(const WCHAR* text, int len, |
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853 int x, int y, int w, int h, int cellWidth, COLORREF color, |
|
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854 UINT fuOptions, CONST RECT *lprc, CONST INT * lpDx) |
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855 { |
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856 if (mFallbackDC) |
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857 { |
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858 Flush(); |
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859 ExtTextOutW(mHDC, x, y, fuOptions, lprc, text, len, lpDx); |
| 6110 | 860 return; |
|
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861 } |
| 6110 | 862 |
|
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863 AssureDrawing(); |
| 6110 | 864 |
|
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865 HRESULT hr; |
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866 IDWriteTextLayout *textLayout = NULL; |
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867 |
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868 hr = mDWriteFactory->CreateTextLayout(text, len, mTextFormat, |
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869 FLOAT(w), FLOAT(h), &textLayout); |
| 6110 | 870 |
| 871 if (SUCCEEDED(hr)) | |
| 872 { | |
|
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873 DWRITE_TEXT_RANGE textRange = { 0, UINT32(len) }; |
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874 textLayout->SetFontWeight(mFontWeight, textRange); |
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875 textLayout->SetFontStyle(mFontStyle, textRange); |
| 6110 | 876 |
|
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877 TextRenderer renderer(this); |
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878 TextRendererContext context = { color, FLOAT(cellWidth), 0.0f }; |
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879 textLayout->Draw(&context, &renderer, FLOAT(x), FLOAT(y)); |
| 6110 | 880 } |
| 881 | |
|
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882 SafeRelease(&textLayout); |
| 6110 | 883 } |
| 884 | |
|
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885 void |
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886 DWriteContext::FillRect(RECT *rc, COLORREF color) |
| 6110 | 887 { |
|
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888 AssureDrawing(); |
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889 mRT->FillRectangle( |
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890 D2D1::RectF(FLOAT(rc->left), FLOAT(rc->top), |
|
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891 FLOAT(rc->right), FLOAT(rc->bottom)), |
|
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|
892 SolidBrush(color)); |
| 6110 | 893 } |
| 894 | |
|
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|
895 void |
|
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|
896 DWriteContext::Flush() |
| 6110 | 897 { |
|
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898 if (mDrawing) |
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899 { |
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900 mRT->EndDraw(); |
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901 mDrawing = false; |
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902 } |
| 6110 | 903 } |
| 904 | |
| 905 void | |
| 906 DWriteContext::SetRenderingParams( | |
| 907 const DWriteRenderingParams *params) | |
| 908 { | |
| 909 if (mDWriteFactory == NULL) | |
| 910 return; | |
| 911 | |
| 912 IDWriteRenderingParams *renderingParams = NULL; | |
| 913 D2D1_TEXT_ANTIALIAS_MODE textAntialiasMode = | |
| 914 D2D1_TEXT_ANTIALIAS_MODE_DEFAULT; | |
| 915 HRESULT hr; | |
| 916 if (params != NULL) | |
| 917 { | |
| 918 hr = mDWriteFactory->CreateCustomRenderingParams(params->gamma, | |
| 919 params->enhancedContrast, params->clearTypeLevel, | |
| 920 ToPixelGeometry(params->pixelGeometry), | |
| 921 ToRenderingMode(params->renderingMode), &renderingParams); | |
| 922 textAntialiasMode = ToTextAntialiasMode(params->textAntialiasMode); | |
| 923 } | |
| 924 else | |
| 925 hr = mDWriteFactory->CreateRenderingParams(&renderingParams); | |
| 926 if (SUCCEEDED(hr) && renderingParams != NULL) | |
| 927 { | |
| 928 SafeRelease(&mRenderingParams); | |
| 929 mRenderingParams = renderingParams; | |
| 930 mTextAntialiasMode = textAntialiasMode; | |
|
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931 |
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|
932 Flush(); |
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933 mRT->SetTextRenderingParams(mRenderingParams); |
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934 mRT->SetTextAntialiasMode(mTextAntialiasMode); |
| 6110 | 935 } |
| 936 } | |
| 937 | |
| 938 DWriteRenderingParams * | |
| 939 DWriteContext::GetRenderingParams( | |
| 940 DWriteRenderingParams *params) | |
| 941 { | |
| 942 if (params != NULL && mRenderingParams != NULL) | |
| 943 { | |
| 944 params->gamma = mRenderingParams->GetGamma(); | |
| 945 params->enhancedContrast = mRenderingParams->GetEnhancedContrast(); | |
| 946 params->clearTypeLevel = mRenderingParams->GetClearTypeLevel(); | |
| 947 params->pixelGeometry = ToInt(mRenderingParams->GetPixelGeometry()); | |
| 948 params->renderingMode = ToInt(mRenderingParams->GetRenderingMode()); | |
| 949 params->textAntialiasMode = mTextAntialiasMode; | |
| 950 } | |
| 951 return params; | |
| 952 } | |
| 953 | |
| 954 //////////////////////////////////////////////////////////////////////////// | |
| 955 // PUBLIC C INTERFACES | |
| 956 | |
| 957 void | |
| 958 DWrite_Init(void) | |
| 959 { | |
| 960 #ifdef DYNAMIC_DIRECTX | |
| 961 // Load libraries. | |
| 962 hD2D1DLL = vimLoadLib(const_cast<char*>("d2d1.dll")); | |
| 963 hDWriteDLL = vimLoadLib(const_cast<char*>("dwrite.dll")); | |
| 964 if (hD2D1DLL == NULL || hDWriteDLL == NULL) | |
| 965 { | |
| 966 DWrite_Final(); | |
| 967 return; | |
| 968 } | |
| 969 // Get address of procedures. | |
| 970 pGetUserDefaultLocaleName = (PGETUSERDEFAULTLOCALENAME)GetProcAddress( | |
| 971 GetModuleHandle("kernel32.dll"), "GetUserDefaultLocaleName"); | |
| 972 pD2D1CreateFactory = (PD2D1CREATEFACTORY)GetProcAddress(hD2D1DLL, | |
| 973 "D2D1CreateFactory"); | |
| 974 pDWriteCreateFactory = (PDWRITECREATEFACTORY)GetProcAddress(hDWriteDLL, | |
| 975 "DWriteCreateFactory"); | |
| 976 #endif | |
| 977 } | |
| 978 | |
| 979 void | |
| 980 DWrite_Final(void) | |
| 981 { | |
| 982 #ifdef DYNAMIC_DIRECTX | |
| 983 pGetUserDefaultLocaleName = NULL; | |
| 984 pD2D1CreateFactory = NULL; | |
| 985 pDWriteCreateFactory = NULL; | |
| 986 unload(hDWriteDLL); | |
| 987 unload(hD2D1DLL); | |
| 988 #endif | |
| 989 } | |
| 990 | |
| 991 DWriteContext * | |
| 992 DWriteContext_Open(void) | |
| 993 { | |
| 994 #ifdef DYNAMIC_DIRECTX | |
| 995 if (pGetUserDefaultLocaleName == NULL || pD2D1CreateFactory == NULL | |
| 996 || pDWriteCreateFactory == NULL) | |
| 997 return NULL; | |
| 998 #endif | |
| 999 return new DWriteContext(); | |
| 1000 } | |
| 1001 | |
| 1002 void | |
| 1003 DWriteContext_BindDC(DWriteContext *ctx, HDC hdc, RECT *rect) | |
| 1004 { | |
|
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1005 if (ctx != NULL) |
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1006 ctx->BindDC(hdc, rect); |
| 6110 | 1007 } |
| 1008 | |
| 1009 void | |
| 1010 DWriteContext_SetFont(DWriteContext *ctx, HFONT hFont) | |
| 1011 { | |
| 1012 if (ctx != NULL) | |
| 1013 ctx->SetFont(hFont); | |
| 1014 } | |
| 1015 | |
| 1016 void | |
| 1017 DWriteContext_DrawText( | |
| 1018 DWriteContext *ctx, | |
| 1019 const WCHAR* text, | |
| 1020 int len, | |
| 1021 int x, | |
| 1022 int y, | |
| 1023 int w, | |
| 1024 int h, | |
| 1025 int cellWidth, | |
|
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|
1026 COLORREF color, |
|
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1027 UINT fuOptions, |
|
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1028 CONST RECT *lprc, |
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1029 CONST INT * lpDx) |
| 6110 | 1030 { |
| 1031 if (ctx != NULL) | |
|
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1032 ctx->DrawText(text, len, x, y, w, h, cellWidth, color, |
|
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|
1033 fuOptions, lprc, lpDx); |
| 6110 | 1034 } |
| 1035 | |
| 1036 void | |
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patch 8.0.1343: MS-Windows: does not show colored emojis
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1037 DWriteContext_FillRect(DWriteContext *ctx, RECT *rc, COLORREF color) |
| 6110 | 1038 { |
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1039 if (ctx != NULL) |
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patch 8.0.1343: MS-Windows: does not show colored emojis
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parents:
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1040 ctx->FillRect(rc, color); |
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patch 8.0.1343: MS-Windows: does not show colored emojis
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parents:
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1041 } |
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patch 8.0.1343: MS-Windows: does not show colored emojis
Christian Brabandt <cb@256bit.org>
parents:
8641
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1042 |
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patch 8.0.1343: MS-Windows: does not show colored emojis
Christian Brabandt <cb@256bit.org>
parents:
8641
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1043 void |
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patch 8.0.1343: MS-Windows: does not show colored emojis
Christian Brabandt <cb@256bit.org>
parents:
8641
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1044 DWriteContext_Flush(DWriteContext *ctx) |
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patch 8.0.1343: MS-Windows: does not show colored emojis
Christian Brabandt <cb@256bit.org>
parents:
8641
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changeset
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1045 { |
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patch 8.0.1343: MS-Windows: does not show colored emojis
Christian Brabandt <cb@256bit.org>
parents:
8641
diff
changeset
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1046 if (ctx != NULL) |
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2ebc3df65ca2
patch 8.0.1343: MS-Windows: does not show colored emojis
Christian Brabandt <cb@256bit.org>
parents:
8641
diff
changeset
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1047 ctx->Flush(); |
| 6110 | 1048 } |
| 1049 | |
| 1050 void | |
| 1051 DWriteContext_Close(DWriteContext *ctx) | |
| 1052 { | |
| 1053 delete ctx; | |
| 1054 } | |
| 1055 | |
| 1056 void | |
| 1057 DWriteContext_SetRenderingParams( | |
| 1058 DWriteContext *ctx, | |
| 1059 const DWriteRenderingParams *params) | |
| 1060 { | |
| 1061 if (ctx != NULL) | |
| 1062 ctx->SetRenderingParams(params); | |
| 1063 } | |
| 1064 | |
| 1065 DWriteRenderingParams * | |
| 1066 DWriteContext_GetRenderingParams( | |
| 1067 DWriteContext *ctx, | |
| 1068 DWriteRenderingParams *params) | |
| 1069 { | |
| 1070 if (ctx != NULL) | |
| 1071 return ctx->GetRenderingParams(params); | |
| 1072 else | |
| 1073 return NULL; | |
| 1074 } |