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Side by Side Diff: fpdfsdk/fxedit/fxet_pageobjs.cpp

Issue 2142213002: Remove some IFX_* wrappers. (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@master
Patch Set: Rebase to master Created 4 years, 5 months ago
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1 // Copyright 2014 PDFium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
6
7 #include "core/fpdfapi/fpdf_page/include/cpdf_pageobject.h"
8 #include "core/fpdfapi/fpdf_page/include/cpdf_pageobjectholder.h"
9 #include "core/fpdfapi/fpdf_page/include/cpdf_pathobject.h"
10 #include "core/fpdfapi/fpdf_page/include/cpdf_textobject.h"
11 #include "core/fpdfapi/fpdf_render/include/cpdf_renderoptions.h"
12 #include "core/fpdfapi/fpdf_render/include/cpdf_textrenderer.h"
13 #include "core/fpdfdoc/include/cpvt_word.h"
14 #include "core/fpdfdoc/include/ipvt_fontmap.h"
15 #include "core/fxge/include/fx_ge.h"
16 #include "fpdfsdk/cfx_systemhandler.h"
17 #include "fpdfsdk/fxedit/include/fx_edit.h"
18 #include "fpdfsdk/fxedit/include/fxet_edit.h"
19
20 namespace {
21
22 void DrawTextString(CFX_RenderDevice* pDevice,
23 const CFX_FloatPoint& pt,
24 CPDF_Font* pFont,
25 FX_FLOAT fFontSize,
26 CFX_Matrix* pUser2Device,
27 const CFX_ByteString& str,
28 FX_ARGB crTextFill,
29 FX_ARGB crTextStroke,
30 int32_t nHorzScale) {
31 FX_FLOAT x = pt.x, y = pt.y;
32 pUser2Device->Transform(x, y);
33
34 if (pFont) {
35 if (nHorzScale != 100) {
36 CFX_Matrix mt(nHorzScale / 100.0f, 0, 0, 1, 0, 0);
37 mt.Concat(*pUser2Device);
38
39 CPDF_RenderOptions ro;
40 ro.m_Flags = RENDER_CLEARTYPE;
41 ro.m_ColorMode = RENDER_COLOR_NORMAL;
42
43 if (crTextStroke != 0) {
44 CFX_FloatPoint pt1(0, 0), pt2(1, 0);
45 pUser2Device->Transform(pt1.x, pt1.y);
46 pUser2Device->Transform(pt2.x, pt2.y);
47 CFX_GraphStateData gsd;
48 gsd.m_LineWidth =
49 (FX_FLOAT)FXSYS_fabs((pt2.x + pt2.y) - (pt1.x + pt1.y));
50
51 CPDF_TextRenderer::DrawTextString(pDevice, x, y, pFont, fFontSize, &mt,
52 str, crTextFill, crTextStroke, &gsd,
53 &ro);
54 } else {
55 CPDF_TextRenderer::DrawTextString(pDevice, x, y, pFont, fFontSize, &mt,
56 str, crTextFill, 0, nullptr, &ro);
57 }
58 } else {
59 CPDF_RenderOptions ro;
60 ro.m_Flags = RENDER_CLEARTYPE;
61 ro.m_ColorMode = RENDER_COLOR_NORMAL;
62
63 if (crTextStroke != 0) {
64 CFX_FloatPoint pt1(0, 0), pt2(1, 0);
65 pUser2Device->Transform(pt1.x, pt1.y);
66 pUser2Device->Transform(pt2.x, pt2.y);
67 CFX_GraphStateData gsd;
68 gsd.m_LineWidth =
69 (FX_FLOAT)FXSYS_fabs((pt2.x + pt2.y) - (pt1.x + pt1.y));
70
71 CPDF_TextRenderer::DrawTextString(pDevice, x, y, pFont, fFontSize,
72 pUser2Device, str, crTextFill,
73 crTextStroke, &gsd, &ro);
74 } else {
75 CPDF_TextRenderer::DrawTextString(pDevice, x, y, pFont, fFontSize,
76 pUser2Device, str, crTextFill, 0,
77 nullptr, &ro);
78 }
79 }
80 }
81 }
82
83 CPDF_TextObject* AddTextObjToPageObjects(CPDF_PageObjectHolder* pObjectHolder,
84 FX_COLORREF crText,
85 CPDF_Font* pFont,
86 FX_FLOAT fFontSize,
87 FX_FLOAT fCharSpace,
88 int32_t nHorzScale,
89 const CFX_FloatPoint& point,
90 const CFX_ByteString& text) {
91 std::unique_ptr<CPDF_TextObject> pTxtObj(new CPDF_TextObject);
92 CPDF_TextStateData* pTextStateData = pTxtObj->m_TextState.GetModify();
93 pTextStateData->m_pFont = pFont;
94 pTextStateData->m_FontSize = fFontSize;
95 pTextStateData->m_CharSpace = fCharSpace;
96 pTextStateData->m_WordSpace = 0;
97 pTextStateData->m_TextMode = TextRenderingMode::MODE_FILL;
98 pTextStateData->m_Matrix[0] = nHorzScale / 100.0f;
99 pTextStateData->m_Matrix[1] = 0;
100 pTextStateData->m_Matrix[2] = 0;
101 pTextStateData->m_Matrix[3] = 1;
102
103 FX_FLOAT rgb[3];
104 rgb[0] = FXARGB_R(crText) / 255.0f;
105 rgb[1] = FXARGB_G(crText) / 255.0f;
106 rgb[2] = FXARGB_B(crText) / 255.0f;
107 pTxtObj->m_ColorState.SetFillColor(
108 CPDF_ColorSpace::GetStockCS(PDFCS_DEVICERGB), rgb, 3);
109 pTxtObj->m_ColorState.SetStrokeColor(
110 CPDF_ColorSpace::GetStockCS(PDFCS_DEVICERGB), rgb, 3);
111
112 pTxtObj->SetPosition(point.x, point.y);
113 pTxtObj->SetText(text);
114
115 CPDF_TextObject* pRet = pTxtObj.get();
116 pObjectHolder->GetPageObjectList()->push_back(std::move(pTxtObj));
117 return pRet;
118 }
119
120 } // namespace
121
122 void IFX_Edit::DrawEdit(CFX_RenderDevice* pDevice,
123 CFX_Matrix* pUser2Device,
124 IFX_Edit* pEdit,
125 FX_COLORREF crTextFill,
126 FX_COLORREF crTextStroke,
127 const CFX_FloatRect& rcClip,
128 const CFX_FloatPoint& ptOffset,
129 const CPVT_WordRange* pRange,
130 CFX_SystemHandler* pSystemHandler,
131 void* pFFLData) {
132 const bool bContinuous =
133 pEdit->GetCharArray() == 0 && pEdit->GetCharSpace() <= 0.0f;
134 uint16_t SubWord = pEdit->GetPasswordChar();
135 FX_FLOAT fFontSize = pEdit->GetFontSize();
136 CPVT_WordRange wrSelect = pEdit->GetSelectWordRange();
137 int32_t nHorzScale = pEdit->GetHorzScale();
138
139 FX_COLORREF crCurFill = crTextFill;
140 FX_COLORREF crOldFill = crCurFill;
141
142 FX_BOOL bSelect = FALSE;
143 const FX_COLORREF crWhite = ArgbEncode(255, 255, 255, 255);
144 const FX_COLORREF crSelBK = ArgbEncode(255, 0, 51, 113);
145
146 CFX_ByteTextBuf sTextBuf;
147 int32_t nFontIndex = -1;
148 CFX_FloatPoint ptBT(0.0f, 0.0f);
149
150 pDevice->SaveState();
151
152 if (!rcClip.IsEmpty()) {
153 CFX_FloatRect rcTemp = rcClip;
154 pUser2Device->TransformRect(rcTemp);
155 pDevice->SetClip_Rect(rcTemp.ToFxRect());
156 }
157
158 IFX_Edit_Iterator* pIterator = pEdit->GetIterator();
159 if (IPVT_FontMap* pFontMap = pEdit->GetFontMap()) {
160 if (pRange)
161 pIterator->SetAt(pRange->BeginPos);
162 else
163 pIterator->SetAt(0);
164
165 CPVT_WordPlace oldplace;
166 while (pIterator->NextWord()) {
167 CPVT_WordPlace place = pIterator->GetAt();
168 if (pRange && place.WordCmp(pRange->EndPos) > 0)
169 break;
170
171 if (wrSelect.IsExist()) {
172 bSelect = place.WordCmp(wrSelect.BeginPos) > 0 &&
173 place.WordCmp(wrSelect.EndPos) <= 0;
174 crCurFill = bSelect ? crWhite : crTextFill;
175 }
176 if (pSystemHandler && pSystemHandler->IsSelectionImplemented()) {
177 crCurFill = crTextFill;
178 crOldFill = crCurFill;
179 }
180 CPVT_Word word;
181 if (pIterator->GetWord(word)) {
182 if (bSelect) {
183 CPVT_Line line;
184 pIterator->GetLine(line);
185
186 if (pSystemHandler && pSystemHandler->IsSelectionImplemented()) {
187 CFX_FloatRect rc(word.ptWord.x, line.ptLine.y + line.fLineDescent,
188 word.ptWord.x + word.fWidth,
189 line.ptLine.y + line.fLineAscent);
190 rc.Intersect(rcClip);
191 pSystemHandler->OutputSelectedRect(pFFLData, rc);
192 } else {
193 CFX_PathData pathSelBK;
194 pathSelBK.AppendRect(
195 word.ptWord.x, line.ptLine.y + line.fLineDescent,
196 word.ptWord.x + word.fWidth, line.ptLine.y + line.fLineAscent);
197
198 pDevice->DrawPath(&pathSelBK, pUser2Device, nullptr, crSelBK, 0,
199 FXFILL_WINDING);
200 }
201 }
202
203 if (bContinuous) {
204 if (place.LineCmp(oldplace) != 0 || word.nFontIndex != nFontIndex ||
205 crOldFill != crCurFill) {
206 if (sTextBuf.GetLength() > 0) {
207 DrawTextString(
208 pDevice,
209 CFX_FloatPoint(ptBT.x + ptOffset.x, ptBT.y + ptOffset.y),
210 pFontMap->GetPDFFont(nFontIndex), fFontSize, pUser2Device,
211 sTextBuf.MakeString(), crOldFill, crTextStroke, nHorzScale);
212
213 sTextBuf.Clear();
214 }
215 nFontIndex = word.nFontIndex;
216 ptBT = word.ptWord;
217 crOldFill = crCurFill;
218 }
219
220 sTextBuf << GetPDFWordString(pFontMap, word.nFontIndex, word.Word,
221 SubWord)
222 .AsStringC();
223 } else {
224 DrawTextString(
225 pDevice, CFX_FloatPoint(word.ptWord.x + ptOffset.x,
226 word.ptWord.y + ptOffset.y),
227 pFontMap->GetPDFFont(word.nFontIndex), fFontSize, pUser2Device,
228 GetPDFWordString(pFontMap, word.nFontIndex, word.Word, SubWord),
229 crCurFill, crTextStroke, nHorzScale);
230 }
231 oldplace = place;
232 }
233 }
234
235 if (sTextBuf.GetLength() > 0) {
236 DrawTextString(
237 pDevice, CFX_FloatPoint(ptBT.x + ptOffset.x, ptBT.y + ptOffset.y),
238 pFontMap->GetPDFFont(nFontIndex), fFontSize, pUser2Device,
239 sTextBuf.MakeString(), crOldFill, crTextStroke, nHorzScale);
240 }
241 }
242
243 pDevice->RestoreState(false);
244 }
245
246 void IFX_Edit::GeneratePageObjects(
247 CPDF_PageObjectHolder* pObjectHolder,
248 IFX_Edit* pEdit,
249 const CFX_FloatPoint& ptOffset,
250 const CPVT_WordRange* pRange,
251 FX_COLORREF crText,
252 CFX_ArrayTemplate<CPDF_TextObject*>& ObjArray) {
253 FX_FLOAT fFontSize = pEdit->GetFontSize();
254
255 int32_t nOldFontIndex = -1;
256
257 CFX_ByteTextBuf sTextBuf;
258 CFX_FloatPoint ptBT(0.0f, 0.0f);
259
260 ObjArray.RemoveAll();
261
262 IFX_Edit_Iterator* pIterator = pEdit->GetIterator();
263 if (IPVT_FontMap* pFontMap = pEdit->GetFontMap()) {
264 if (pRange)
265 pIterator->SetAt(pRange->BeginPos);
266 else
267 pIterator->SetAt(0);
268
269 CPVT_WordPlace oldplace;
270
271 while (pIterator->NextWord()) {
272 CPVT_WordPlace place = pIterator->GetAt();
273 if (pRange && place.WordCmp(pRange->EndPos) > 0)
274 break;
275
276 CPVT_Word word;
277 if (pIterator->GetWord(word)) {
278 if (place.LineCmp(oldplace) != 0 || nOldFontIndex != word.nFontIndex) {
279 if (sTextBuf.GetLength() > 0) {
280 ObjArray.Add(AddTextObjToPageObjects(
281 pObjectHolder, crText, pFontMap->GetPDFFont(nOldFontIndex),
282 fFontSize, 0.0f, 100,
283 CFX_FloatPoint(ptBT.x + ptOffset.x, ptBT.y + ptOffset.y),
284 sTextBuf.MakeString()));
285
286 sTextBuf.Clear();
287 }
288
289 ptBT = word.ptWord;
290 nOldFontIndex = word.nFontIndex;
291 }
292
293 sTextBuf << GetPDFWordString(pFontMap, word.nFontIndex, word.Word, 0)
294 .AsStringC();
295 oldplace = place;
296 }
297 }
298
299 if (sTextBuf.GetLength() > 0) {
300 ObjArray.Add(AddTextObjToPageObjects(
301 pObjectHolder, crText, pFontMap->GetPDFFont(nOldFontIndex), fFontSize,
302 0.0f, 100, CFX_FloatPoint(ptBT.x + ptOffset.x, ptBT.y + ptOffset.y),
303 sTextBuf.MakeString()));
304 }
305 }
306 }
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