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Side by Side Diff: core/fpdfapi/render/cpdf_textrenderer.cpp

Issue 2551593002: Rename fpdf_render_image and fpdf_render_text (Closed)
Patch Set: Remove commented Created 4 years ago
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1 // Copyright 2014 PDFium Authors. All rights reserved. 1 // Copyright 2016 PDFium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
6 6
7 #include "core/fpdfapi/render/render_int.h" 7 #include "core/fpdfapi/render/cpdf_textrenderer.h"
8 8
9 #include <vector> 9 #include <vector>
10 10
11 #include "core/fpdfapi/font/cpdf_cidfont.h"
12 #include "core/fpdfapi/font/cpdf_font.h" 11 #include "core/fpdfapi/font/cpdf_font.h"
13 #include "core/fpdfapi/font/cpdf_type3char.h"
14 #include "core/fpdfapi/font/cpdf_type3font.h"
15 #include "core/fpdfapi/page/cpdf_docpagedata.h"
16 #include "core/fpdfapi/page/cpdf_form.h"
17 #include "core/fpdfapi/page/cpdf_imageobject.h"
18 #include "core/fpdfapi/page/cpdf_pageobject.h"
19 #include "core/fpdfapi/page/cpdf_pathobject.h"
20 #include "core/fpdfapi/page/cpdf_textobject.h"
21 #include "core/fpdfapi/parser/cpdf_dictionary.h"
22 #include "core/fpdfapi/parser/cpdf_document.h"
23 #include "core/fpdfapi/render/cpdf_charposlist.h" 12 #include "core/fpdfapi/render/cpdf_charposlist.h"
24 #include "core/fpdfapi/render/cpdf_docrenderdata.h"
25 #include "core/fpdfapi/render/cpdf_renderoptions.h" 13 #include "core/fpdfapi/render/cpdf_renderoptions.h"
26 #include "core/fpdfapi/render/cpdf_renderstatus.h"
27 #include "core/fpdfapi/render/cpdf_textrenderer.h"
28 #include "core/fpdfapi/render/cpdf_type3cache.h"
29 #include "core/fxge/cfx_facecache.h"
30 #include "core/fxge/cfx_fxgedevice.h"
31 #include "core/fxge/cfx_gemodule.h"
32 #include "core/fxge/cfx_graphstatedata.h" 14 #include "core/fxge/cfx_graphstatedata.h"
33 #include "core/fxge/cfx_pathdata.h" 15 #include "core/fxge/cfx_pathdata.h"
34 #include "core/fxge/cfx_renderdevice.h" 16 #include "core/fxge/cfx_renderdevice.h"
35 #include "third_party/base/numerics/safe_math.h"
36 17
37 // static 18 // static
38 bool CPDF_TextRenderer::DrawTextPath(CFX_RenderDevice* pDevice, 19 bool CPDF_TextRenderer::DrawTextPath(CFX_RenderDevice* pDevice,
39 int nChars, 20 int nChars,
40 uint32_t* pCharCodes, 21 uint32_t* pCharCodes,
41 FX_FLOAT* pCharPos, 22 FX_FLOAT* pCharPos,
42 CPDF_Font* pFont, 23 CPDF_Font* pFont,
43 FX_FLOAT font_size, 24 FX_FLOAT font_size,
44 const CFX_Matrix* pText2User, 25 const CFX_Matrix* pText2User,
45 const CFX_Matrix* pUser2Device, 26 const CFX_Matrix* pUser2Device,
46 const CFX_GraphStateData* pGraphState, 27 const CFX_GraphStateData* pGraphState,
47 FX_ARGB fill_argb, 28 FX_ARGB fill_argb,
48 FX_ARGB stroke_argb, 29 FX_ARGB stroke_argb,
49 CFX_PathData* pClippingPath, 30 CFX_PathData* pClippingPath,
50 int nFlag) { 31 int nFlag) {
51 CPDF_CharPosList CharPosList; 32 CPDF_CharPosList CharPosList;
52 CharPosList.Load(nChars, pCharCodes, pCharPos, pFont, font_size); 33 CharPosList.Load(nChars, pCharCodes, pCharPos, pFont, font_size);
53 if (CharPosList.m_nChars == 0) 34 if (CharPosList.m_nChars == 0)
54 return true; 35 return true;
36
55 bool bDraw = true; 37 bool bDraw = true;
56 int32_t fontPosition = CharPosList.m_pCharPos[0].m_FallbackFontPosition; 38 int32_t fontPosition = CharPosList.m_pCharPos[0].m_FallbackFontPosition;
57 uint32_t startIndex = 0; 39 uint32_t startIndex = 0;
58 for (uint32_t i = 0; i < CharPosList.m_nChars; i++) { 40 for (uint32_t i = 0; i < CharPosList.m_nChars; i++) {
59 int32_t curFontPosition = CharPosList.m_pCharPos[i].m_FallbackFontPosition; 41 int32_t curFontPosition = CharPosList.m_pCharPos[i].m_FallbackFontPosition;
60 if (fontPosition == curFontPosition) 42 if (fontPosition == curFontPosition)
61 continue; 43 continue;
62 auto* font = fontPosition == -1 44 auto* font = fontPosition == -1
63 ? &pFont->m_Font 45 ? &pFont->m_Font
64 : pFont->m_FontFallbacks[fontPosition].get(); 46 : pFont->m_FontFallbacks[fontPosition].get();
(...skipping 87 matching lines...) Expand 10 before | Expand all | Expand 10 after
152 const CPDF_RenderOptions* pOptions) { 134 const CPDF_RenderOptions* pOptions) {
153 CPDF_CharPosList CharPosList; 135 CPDF_CharPosList CharPosList;
154 CharPosList.Load(nChars, pCharCodes, pCharPos, pFont, font_size); 136 CharPosList.Load(nChars, pCharCodes, pCharPos, pFont, font_size);
155 if (CharPosList.m_nChars == 0) 137 if (CharPosList.m_nChars == 0)
156 return true; 138 return true;
157 int FXGE_flags = 0; 139 int FXGE_flags = 0;
158 if (pOptions) { 140 if (pOptions) {
159 uint32_t dwFlags = pOptions->m_Flags; 141 uint32_t dwFlags = pOptions->m_Flags;
160 if (dwFlags & RENDER_CLEARTYPE) { 142 if (dwFlags & RENDER_CLEARTYPE) {
161 FXGE_flags |= FXTEXT_CLEARTYPE; 143 FXGE_flags |= FXTEXT_CLEARTYPE;
162 if (dwFlags & RENDER_BGR_STRIPE) { 144 if (dwFlags & RENDER_BGR_STRIPE)
163 FXGE_flags |= FXTEXT_BGR_STRIPE; 145 FXGE_flags |= FXTEXT_BGR_STRIPE;
164 }
165 } 146 }
166 if (dwFlags & RENDER_NOTEXTSMOOTH) { 147 if (dwFlags & RENDER_NOTEXTSMOOTH)
167 FXGE_flags |= FXTEXT_NOSMOOTH; 148 FXGE_flags |= FXTEXT_NOSMOOTH;
168 } 149 if (dwFlags & RENDER_PRINTGRAPHICTEXT)
169 if (dwFlags & RENDER_PRINTGRAPHICTEXT) {
170 FXGE_flags |= FXTEXT_PRINTGRAPHICTEXT; 150 FXGE_flags |= FXTEXT_PRINTGRAPHICTEXT;
171 } 151 if (dwFlags & RENDER_NO_NATIVETEXT)
172 if (dwFlags & RENDER_NO_NATIVETEXT) {
173 FXGE_flags |= FXTEXT_NO_NATIVETEXT; 152 FXGE_flags |= FXTEXT_NO_NATIVETEXT;
174 } 153 if (dwFlags & RENDER_PRINTIMAGETEXT)
175 if (dwFlags & RENDER_PRINTIMAGETEXT) {
176 FXGE_flags |= FXTEXT_PRINTIMAGETEXT; 154 FXGE_flags |= FXTEXT_PRINTIMAGETEXT;
177 }
178 } else { 155 } else {
179 FXGE_flags = FXTEXT_CLEARTYPE; 156 FXGE_flags = FXTEXT_CLEARTYPE;
180 } 157 }
181 if (pFont->IsCIDFont()) { 158 if (pFont->IsCIDFont())
182 FXGE_flags |= FXFONT_CIDFONT; 159 FXGE_flags |= FXFONT_CIDFONT;
183 }
184 bool bDraw = true; 160 bool bDraw = true;
185 int32_t fontPosition = CharPosList.m_pCharPos[0].m_FallbackFontPosition; 161 int32_t fontPosition = CharPosList.m_pCharPos[0].m_FallbackFontPosition;
186 uint32_t startIndex = 0; 162 uint32_t startIndex = 0;
187 for (uint32_t i = 0; i < CharPosList.m_nChars; i++) { 163 for (uint32_t i = 0; i < CharPosList.m_nChars; i++) {
188 int32_t curFontPosition = CharPosList.m_pCharPos[i].m_FallbackFontPosition; 164 int32_t curFontPosition = CharPosList.m_pCharPos[i].m_FallbackFontPosition;
189 if (fontPosition == curFontPosition) 165 if (fontPosition == curFontPosition)
190 continue; 166 continue;
191 auto* font = fontPosition == -1 167 auto* font = fontPosition == -1
192 ? &pFont->m_Font 168 ? &pFont->m_Font
193 : pFont->m_FontFallbacks[fontPosition].get(); 169 : pFont->m_FontFallbacks[fontPosition].get();
194 if (!pDevice->DrawNormalText( 170 if (!pDevice->DrawNormalText(
195 i - startIndex, CharPosList.m_pCharPos + startIndex, font, 171 i - startIndex, CharPosList.m_pCharPos + startIndex, font,
196 font_size, pText2Device, fill_argb, FXGE_flags)) { 172 font_size, pText2Device, fill_argb, FXGE_flags)) {
197 bDraw = false; 173 bDraw = false;
198 } 174 }
199 fontPosition = curFontPosition; 175 fontPosition = curFontPosition;
200 startIndex = i; 176 startIndex = i;
201 } 177 }
202 auto* font = fontPosition == -1 ? &pFont->m_Font 178 auto* font = fontPosition == -1 ? &pFont->m_Font
203 : pFont->m_FontFallbacks[fontPosition].get(); 179 : pFont->m_FontFallbacks[fontPosition].get();
204 if (!pDevice->DrawNormalText(CharPosList.m_nChars - startIndex, 180 if (!pDevice->DrawNormalText(CharPosList.m_nChars - startIndex,
205 CharPosList.m_pCharPos + startIndex, font, 181 CharPosList.m_pCharPos + startIndex, font,
206 font_size, pText2Device, fill_argb, 182 font_size, pText2Device, fill_argb,
207 FXGE_flags)) { 183 FXGE_flags)) {
208 bDraw = false; 184 bDraw = false;
209 } 185 }
210 return bDraw; 186 return bDraw;
211 } 187 }
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