1 /*
2 * Copyright 2011 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8 #include "SkTypes.h"
9 #if defined(SK_BUILD_FOR_WIN)
10
11 #include "SkLeanWindows.h"
12
13 #ifndef UNICODE
14 #define UNICODE
15 #endif
16 #ifndef _UNICODE
17 #define _UNICODE
18 #endif
19 #include <ObjBase.h>
20 #include <XpsObjectModel.h>
21 #include <T2EmbApi.h>
22 #include <FontSub.h>
23 #include <limits>
24
25 #include "SkColor.h"
26 #include "SkData.h"
27 #include "SkDraw.h"
28 #include "SkEndian.h"
29 #include "SkFindAndPlaceGlyph.h"
30 #include "SkGeometry.h"
31 #include "SkHRESULT.h"
32 #include "SkIStream.h"
33 #include "SkImage.h"
34 #include "SkImageEncoder.h"
35 #include "SkImagePriv.h"
36 #include "SkMaskFilterBase.h"
37 #include "SkPaint.h"
38 #include "SkPathEffect.h"
39 #include "SkPathOps.h"
40 #include "SkPoint.h"
41 #include "SkRasterClip.h"
42 #include "SkSFNTHeader.h"
43 #include "SkShader.h"
44 #include "SkSize.h"
45 #include "SkStream.h"
46 #include "SkStrikeCache.h"
47 #include "SkTDArray.h"
48 #include "SkTLazy.h"
49 #include "SkTScopedComPtr.h"
50 #include "SkTTCFHeader.h"
51 #include "SkTo.h"
52 #include "SkTypefacePriv.h"
53 #include "SkUtils.h"
54 #include "SkVertices.h"
55 #include "SkXPSDevice.h"
56
57 //Windows defines a FLOAT type,
58 //make it clear when converting a scalar that this is what is wanted.
59 #define SkScalarToFLOAT(n) SkScalarToFloat(n)
60
61 //Dummy representation of a GUID from createId.
62 #define L_GUID_ID L"XXXXXXXXsXXXXsXXXXsXXXXsXXXXXXXXXXXX"
63 //Length of GUID representation from createId, including nullptr terminator.
64 #define GUID_ID_LEN SK_ARRAY_COUNT(L_GUID_ID)
65
66 /**
67 Formats a GUID and places it into buffer.
68 buffer should have space for at least GUID_ID_LEN wide characters.
69 The string will always be wchar null terminated.
70 XXXXXXXXsXXXXsXXXXsXXXXsXXXXXXXXXXXX0
71 @return -1 if there was an error, > 0 if success.
72 */
format_guid(const GUID & guid,wchar_t * buffer,size_t bufferSize,wchar_t sep='-')73 static int format_guid(const GUID& guid,
74 wchar_t* buffer, size_t bufferSize,
75 wchar_t sep = '-') {
76 SkASSERT(bufferSize >= GUID_ID_LEN);
77 return swprintf_s(buffer,
78 bufferSize,
79 L"%08lX%c%04X%c%04X%c%02X%02X%c%02X%02X%02X%02X%02X%02X",
80 guid.Data1,
81 sep,
82 guid.Data2,
83 sep,
84 guid.Data3,
85 sep,
86 guid.Data4[0],
87 guid.Data4[1],
88 sep,
89 guid.Data4[2],
90 guid.Data4[3],
91 guid.Data4[4],
92 guid.Data4[5],
93 guid.Data4[6],
94 guid.Data4[7]);
95 }
96
createId(wchar_t * buffer,size_t bufferSize,wchar_t sep)97 HRESULT SkXPSDevice::createId(wchar_t* buffer, size_t bufferSize, wchar_t sep) {
98 GUID guid = {};
99 #ifdef SK_XPS_USE_DETERMINISTIC_IDS
100 guid.Data1 = fNextId++;
101 // The following make this a valid Type4 UUID.
102 guid.Data3 = 0x4000;
103 guid.Data4[0] = 0x80;
104 #else
105 HRM(CoCreateGuid(&guid), "Could not create GUID for id.");
106 #endif
107
108 if (format_guid(guid, buffer, bufferSize, sep) == -1) {
109 HRM(E_UNEXPECTED, "Could not format GUID into id.");
110 }
111
112 return S_OK;
113 }
114
SkXPSDevice(SkISize s)115 SkXPSDevice::SkXPSDevice(SkISize s)
116 : INHERITED(SkImageInfo::MakeUnknown(s.width(), s.height()),
117 SkSurfaceProps(0, kUnknown_SkPixelGeometry))
118 , fCurrentPage(0) {}
119
~SkXPSDevice()120 SkXPSDevice::~SkXPSDevice() {}
121
TypefaceUse()122 SkXPSDevice::TypefaceUse::TypefaceUse()
123 : typefaceId(0xffffffff)
124 , fontData(nullptr)
125 , xpsFont(nullptr)
126 , glyphsUsed(nullptr) {}
127
~TypefaceUse()128 SkXPSDevice::TypefaceUse::~TypefaceUse() {
129 //xpsFont owns fontData ref
130 this->xpsFont->Release();
131 delete this->glyphsUsed;
132 }
133
beginPortfolio(SkWStream * outputStream,IXpsOMObjectFactory * factory)134 bool SkXPSDevice::beginPortfolio(SkWStream* outputStream, IXpsOMObjectFactory* factory) {
135 SkASSERT(factory);
136 fXpsFactory.reset(SkRefComPtr(factory));
137 HRB(SkWIStream::CreateFromSkWStream(outputStream, &this->fOutputStream));
138 return true;
139 }
140
beginSheet(const SkVector & unitsPerMeter,const SkVector & pixelsPerMeter,const SkSize & trimSize,const SkRect * mediaBox,const SkRect * bleedBox,const SkRect * artBox,const SkRect * cropBox)141 bool SkXPSDevice::beginSheet(
142 const SkVector& unitsPerMeter,
143 const SkVector& pixelsPerMeter,
144 const SkSize& trimSize,
145 const SkRect* mediaBox,
146 const SkRect* bleedBox,
147 const SkRect* artBox,
148 const SkRect* cropBox) {
149 ++this->fCurrentPage;
150
151 //For simplicity, just write everything out in geometry units,
152 //then have a base canvas do the scale to physical units.
153 this->fCurrentCanvasSize = trimSize;
154 this->fCurrentUnitsPerMeter = unitsPerMeter;
155 this->fCurrentPixelsPerMeter = pixelsPerMeter;
156 return this->createCanvasForLayer();
157 }
158
createCanvasForLayer()159 bool SkXPSDevice::createCanvasForLayer() {
160 SkASSERT(fXpsFactory);
161 fCurrentXpsCanvas.reset();
162 HRB(fXpsFactory->CreateCanvas(&fCurrentXpsCanvas));
163 return true;
164 }
165
sk_digits_in()166 template <typename T> static constexpr size_t sk_digits_in() {
167 return static_cast<size_t>(std::numeric_limits<T>::digits10 + 1);
168 }
169
createXpsThumbnail(IXpsOMPage * page,const unsigned int pageNum,IXpsOMImageResource ** image)170 HRESULT SkXPSDevice::createXpsThumbnail(IXpsOMPage* page,
171 const unsigned int pageNum,
172 IXpsOMImageResource** image) {
173 SkTScopedComPtr<IXpsOMThumbnailGenerator> thumbnailGenerator;
174 HRM(CoCreateInstance(
175 CLSID_XpsOMThumbnailGenerator,
176 nullptr,
177 CLSCTX_INPROC_SERVER,
178 IID_PPV_ARGS(&thumbnailGenerator)),
179 "Could not create thumbnail generator.");
180
181 SkTScopedComPtr<IOpcPartUri> partUri;
182 constexpr size_t size = SkTMax(
183 SK_ARRAY_COUNT(L"/Documents/1/Metadata/.png") + sk_digits_in<decltype(pageNum)>(),
184 SK_ARRAY_COUNT(L"/Metadata/" L_GUID_ID L".png"));
185 wchar_t buffer[size];
186 if (pageNum > 0) {
187 swprintf_s(buffer, size, L"/Documents/1/Metadata/%u.png", pageNum);
188 } else {
189 wchar_t id[GUID_ID_LEN];
190 HR(this->createId(id, GUID_ID_LEN));
191 swprintf_s(buffer, size, L"/Metadata/%s.png", id);
192 }
193 HRM(this->fXpsFactory->CreatePartUri(buffer, &partUri),
194 "Could not create thumbnail part uri.");
195
196 HRM(thumbnailGenerator->GenerateThumbnail(page,
197 XPS_IMAGE_TYPE_PNG,
198 XPS_THUMBNAIL_SIZE_LARGE,
199 partUri.get(),
200 image),
201 "Could not generate thumbnail.");
202
203 return S_OK;
204 }
205
createXpsPage(const XPS_SIZE & pageSize,IXpsOMPage ** page)206 HRESULT SkXPSDevice::createXpsPage(const XPS_SIZE& pageSize,
207 IXpsOMPage** page) {
208 constexpr size_t size =
209 SK_ARRAY_COUNT(L"/Documents/1/Pages/.fpage")
210 + sk_digits_in<decltype(fCurrentPage)>();
211 wchar_t buffer[size];
212 swprintf_s(buffer, size, L"/Documents/1/Pages/%u.fpage",
213 this->fCurrentPage);
214 SkTScopedComPtr<IOpcPartUri> partUri;
215 HRM(this->fXpsFactory->CreatePartUri(buffer, &partUri),
216 "Could not create page part uri.");
217
218 //If the language is unknown, use "und" (XPS Spec 2.3.5.1).
219 HRM(this->fXpsFactory->CreatePage(&pageSize,
220 L"und",
221 partUri.get(),
222 page),
223 "Could not create page.");
224
225 return S_OK;
226 }
227
initXpsDocumentWriter(IXpsOMImageResource * image)228 HRESULT SkXPSDevice::initXpsDocumentWriter(IXpsOMImageResource* image) {
229 //Create package writer.
230 {
231 SkTScopedComPtr<IOpcPartUri> partUri;
232 HRM(this->fXpsFactory->CreatePartUri(L"/FixedDocumentSequence.fdseq",
233 &partUri),
234 "Could not create document sequence part uri.");
235 HRM(this->fXpsFactory->CreatePackageWriterOnStream(
236 this->fOutputStream.get(),
237 TRUE,
238 XPS_INTERLEAVING_OFF, //XPS_INTERLEAVING_ON,
239 partUri.get(),
240 nullptr,
241 image,
242 nullptr,
243 nullptr,
244 &this->fPackageWriter),
245 "Could not create package writer.");
246 }
247
248 //Begin the lone document.
249 {
250 SkTScopedComPtr<IOpcPartUri> partUri;
251 HRM(this->fXpsFactory->CreatePartUri(
252 L"/Documents/1/FixedDocument.fdoc",
253 &partUri),
254 "Could not create fixed document part uri.");
255 HRM(this->fPackageWriter->StartNewDocument(partUri.get(),
256 nullptr,
257 nullptr,
258 nullptr,
259 nullptr),
260 "Could not start document.");
261 }
262
263 return S_OK;
264 }
265
endSheet()266 bool SkXPSDevice::endSheet() {
267 //XPS is fixed at 96dpi (XPS Spec 11.1).
268 static const float xpsDPI = 96.0f;
269 static const float inchesPerMeter = 10000.0f / 254.0f;
270 static const float targetUnitsPerMeter = xpsDPI * inchesPerMeter;
271 const float scaleX = targetUnitsPerMeter
272 / SkScalarToFLOAT(this->fCurrentUnitsPerMeter.fX);
273 const float scaleY = targetUnitsPerMeter
274 / SkScalarToFLOAT(this->fCurrentUnitsPerMeter.fY);
275
276 //Create the scale canvas.
277 SkTScopedComPtr<IXpsOMCanvas> scaleCanvas;
278 HRBM(this->fXpsFactory->CreateCanvas(&scaleCanvas),
279 "Could not create scale canvas.");
280 SkTScopedComPtr<IXpsOMVisualCollection> scaleCanvasVisuals;
281 HRBM(scaleCanvas->GetVisuals(&scaleCanvasVisuals),
282 "Could not get scale canvas visuals.");
283
284 SkTScopedComPtr<IXpsOMMatrixTransform> geomToPhys;
285 XPS_MATRIX rawGeomToPhys = { scaleX, 0, 0, scaleY, 0, 0, };
286 HRBM(this->fXpsFactory->CreateMatrixTransform(&rawGeomToPhys, &geomToPhys),
287 "Could not create geometry to physical transform.");
288 HRBM(scaleCanvas->SetTransformLocal(geomToPhys.get()),
289 "Could not set transform on scale canvas.");
290
291 //Add the content canvas to the scale canvas.
292 HRBM(scaleCanvasVisuals->Append(this->fCurrentXpsCanvas.get()),
293 "Could not add base canvas to scale canvas.");
294
295 //Create the page.
296 XPS_SIZE pageSize = {
297 SkScalarToFLOAT(this->fCurrentCanvasSize.width()) * scaleX,
298 SkScalarToFLOAT(this->fCurrentCanvasSize.height()) * scaleY,
299 };
300 SkTScopedComPtr<IXpsOMPage> page;
301 HRB(this->createXpsPage(pageSize, &page));
302
303 SkTScopedComPtr<IXpsOMVisualCollection> pageVisuals;
304 HRBM(page->GetVisuals(&pageVisuals), "Could not get page visuals.");
305
306 //Add the scale canvas to the page.
307 HRBM(pageVisuals->Append(scaleCanvas.get()),
308 "Could not add scale canvas to page.");
309
310 //Create the package writer if it hasn't been created yet.
311 if (nullptr == this->fPackageWriter.get()) {
312 SkTScopedComPtr<IXpsOMImageResource> image;
313 //Ignore return, thumbnail is completely optional.
314 this->createXpsThumbnail(page.get(), 0, &image);
315
316 HRB(this->initXpsDocumentWriter(image.get()));
317 }
318
319 HRBM(this->fPackageWriter->AddPage(page.get(),
320 &pageSize,
321 nullptr,
322 nullptr,
323 nullptr,
324 nullptr),
325 "Could not write the page.");
326 this->fCurrentXpsCanvas.reset();
327
328 return true;
329 }
330
subset_typeface(SkXPSDevice::TypefaceUse * current)331 static HRESULT subset_typeface(SkXPSDevice::TypefaceUse* current) {
332 //CreateFontPackage wants unsigned short.
333 //Microsoft, Y U NO stdint.h?
334 std::vector<unsigned short> keepList;
335 current->glyphsUsed->getSetValues([&keepList](unsigned v) {
336 keepList.push_back((unsigned short)v);
337 });
338
339 int ttcCount = (current->ttcIndex + 1);
340
341 //The following are declared with the types required by CreateFontPackage.
342 unsigned char *fontPackageBufferRaw = nullptr;
343 unsigned long fontPackageBufferSize;
344 unsigned long bytesWritten;
345 unsigned long result = CreateFontPackage(
346 (unsigned char *) current->fontData->getMemoryBase(),
347 (unsigned long) current->fontData->getLength(),
348 &fontPackageBufferRaw,
349 &fontPackageBufferSize,
350 &bytesWritten,
351 TTFCFP_FLAGS_SUBSET | TTFCFP_FLAGS_GLYPHLIST | (ttcCount > 0 ? TTFCFP_FLAGS_TTC : 0),
352 current->ttcIndex,
353 TTFCFP_SUBSET,
354 0,
355 0,
356 0,
357 keepList.data(),
358 SkTo<unsigned short>(keepList.size()),
359 sk_malloc_throw,
360 sk_realloc_throw,
361 sk_free,
362 nullptr);
363 SkAutoTMalloc<unsigned char> fontPackageBuffer(fontPackageBufferRaw);
364 if (result != NO_ERROR) {
365 SkDEBUGF("CreateFontPackage Error %lu", result);
366 return E_UNEXPECTED;
367 }
368
369 // If it was originally a ttc, keep it a ttc.
370 // CreateFontPackage over-allocates, realloc usually decreases the size substantially.
371 size_t extra;
372 if (ttcCount > 0) {
373 // Create space for a ttc header.
374 extra = sizeof(SkTTCFHeader) + (ttcCount * sizeof(SK_OT_ULONG));
375 fontPackageBuffer.realloc(bytesWritten + extra);
376 //overlap is certain, use memmove
377 memmove(fontPackageBuffer.get() + extra, fontPackageBuffer.get(), bytesWritten);
378
379 // Write the ttc header.
380 SkTTCFHeader* ttcfHeader = reinterpret_cast<SkTTCFHeader*>(fontPackageBuffer.get());
381 ttcfHeader->ttcTag = SkTTCFHeader::TAG;
382 ttcfHeader->version = SkTTCFHeader::version_1;
383 ttcfHeader->numOffsets = SkEndian_SwapBE32(ttcCount);
384 SK_OT_ULONG* offsetPtr = SkTAfter<SK_OT_ULONG>(ttcfHeader);
385 for (int i = 0; i < ttcCount; ++i, ++offsetPtr) {
386 *offsetPtr = SkEndian_SwapBE32(SkToU32(extra));
387 }
388
389 // Fix up offsets in sfnt table entries.
390 SkSFNTHeader* sfntHeader = SkTAddOffset<SkSFNTHeader>(fontPackageBuffer.get(), extra);
391 int numTables = SkEndian_SwapBE16(sfntHeader->numTables);
392 SkSFNTHeader::TableDirectoryEntry* tableDirectory =
393 SkTAfter<SkSFNTHeader::TableDirectoryEntry>(sfntHeader);
394 for (int i = 0; i < numTables; ++i, ++tableDirectory) {
395 tableDirectory->offset = SkEndian_SwapBE32(
396 SkToU32(SkEndian_SwapBE32(SkToU32(tableDirectory->offset)) + extra));
397 }
398 } else {
399 extra = 0;
400 fontPackageBuffer.realloc(bytesWritten);
401 }
402
403 std::unique_ptr<SkMemoryStream> newStream(new SkMemoryStream());
404 newStream->setMemoryOwned(fontPackageBuffer.release(), bytesWritten + extra);
405
406 SkTScopedComPtr<IStream> newIStream;
407 SkIStream::CreateFromSkStream(newStream.release(), true, &newIStream);
408
409 XPS_FONT_EMBEDDING embedding;
410 HRM(current->xpsFont->GetEmbeddingOption(&embedding),
411 "Could not get embedding option from font.");
412
413 SkTScopedComPtr<IOpcPartUri> partUri;
414 HRM(current->xpsFont->GetPartName(&partUri),
415 "Could not get part uri from font.");
416
417 HRM(current->xpsFont->SetContent(
418 newIStream.get(),
419 embedding,
420 partUri.get()),
421 "Could not set new stream for subsetted font.");
422
423 return S_OK;
424 }
425
endPortfolio()426 bool SkXPSDevice::endPortfolio() {
427 //Subset fonts
428 if (!this->fTypefaces.empty()) {
429 SkXPSDevice::TypefaceUse* current = &this->fTypefaces.front();
430 const TypefaceUse* last = &this->fTypefaces.back();
431 for (; current <= last; ++current) {
432 //Ignore return for now, if it didn't subset, let it be.
433 subset_typeface(current);
434 }
435 }
436
437 HRBM(this->fPackageWriter->Close(), "Could not close writer.");
438
439 return true;
440 }
441
xps_color(const SkColor skColor)442 static XPS_COLOR xps_color(const SkColor skColor) {
443 //XPS uses non-pre-multiplied alpha (XPS Spec 11.4).
444 XPS_COLOR xpsColor;
445 xpsColor.colorType = XPS_COLOR_TYPE_SRGB;
446 xpsColor.value.sRGB.alpha = SkColorGetA(skColor);
447 xpsColor.value.sRGB.red = SkColorGetR(skColor);
448 xpsColor.value.sRGB.green = SkColorGetG(skColor);
449 xpsColor.value.sRGB.blue = SkColorGetB(skColor);
450
451 return xpsColor;
452 }
453
xps_point(const SkPoint & point)454 static XPS_POINT xps_point(const SkPoint& point) {
455 XPS_POINT xpsPoint = {
456 SkScalarToFLOAT(point.fX),
457 SkScalarToFLOAT(point.fY),
458 };
459 return xpsPoint;
460 }
461
xps_point(const SkPoint & point,const SkMatrix & matrix)462 static XPS_POINT xps_point(const SkPoint& point, const SkMatrix& matrix) {
463 SkPoint skTransformedPoint;
464 matrix.mapXY(point.fX, point.fY, &skTransformedPoint);
465 return xps_point(skTransformedPoint);
466 }
467
xps_spread_method(SkShader::TileMode tileMode)468 static XPS_SPREAD_METHOD xps_spread_method(SkShader::TileMode tileMode) {
469 switch (tileMode) {
470 case SkShader::kClamp_TileMode:
471 return XPS_SPREAD_METHOD_PAD;
472 case SkShader::kRepeat_TileMode:
473 return XPS_SPREAD_METHOD_REPEAT;
474 case SkShader::kMirror_TileMode:
475 return XPS_SPREAD_METHOD_REFLECT;
476 default:
477 SkDEBUGFAIL("Unknown tile mode.");
478 }
479 return XPS_SPREAD_METHOD_PAD;
480 }
481
transform_offsets(SkScalar * stopOffsets,const int numOffsets,const SkPoint & start,const SkPoint & end,const SkMatrix & transform)482 static void transform_offsets(SkScalar* stopOffsets, const int numOffsets,
483 const SkPoint& start, const SkPoint& end,
484 const SkMatrix& transform) {
485 SkPoint startTransformed;
486 transform.mapXY(start.fX, start.fY, &startTransformed);
487 SkPoint endTransformed;
488 transform.mapXY(end.fX, end.fY, &endTransformed);
489
490 //Manhattan distance between transformed start and end.
491 SkScalar startToEnd = (endTransformed.fX - startTransformed.fX)
492 + (endTransformed.fY - startTransformed.fY);
493 if (SkScalarNearlyZero(startToEnd)) {
494 for (int i = 0; i < numOffsets; ++i) {
495 stopOffsets[i] = 0;
496 }
497 return;
498 }
499
500 for (int i = 0; i < numOffsets; ++i) {
501 SkPoint stop;
502 stop.fX = (end.fX - start.fX) * stopOffsets[i];
503 stop.fY = (end.fY - start.fY) * stopOffsets[i];
504
505 SkPoint stopTransformed;
506 transform.mapXY(stop.fX, stop.fY, &stopTransformed);
507
508 //Manhattan distance between transformed start and stop.
509 SkScalar startToStop = (stopTransformed.fX - startTransformed.fX)
510 + (stopTransformed.fY - startTransformed.fY);
511 //Percentage along transformed line.
512 stopOffsets[i] = startToStop / startToEnd;
513 }
514 }
515
createXpsTransform(const SkMatrix & matrix,IXpsOMMatrixTransform ** xpsTransform)516 HRESULT SkXPSDevice::createXpsTransform(const SkMatrix& matrix,
517 IXpsOMMatrixTransform** xpsTransform) {
518 SkScalar affine[6];
519 if (!matrix.asAffine(affine)) {
520 *xpsTransform = nullptr;
521 return S_FALSE;
522 }
523 XPS_MATRIX rawXpsMatrix = {
524 SkScalarToFLOAT(affine[SkMatrix::kAScaleX]),
525 SkScalarToFLOAT(affine[SkMatrix::kASkewY]),
526 SkScalarToFLOAT(affine[SkMatrix::kASkewX]),
527 SkScalarToFLOAT(affine[SkMatrix::kAScaleY]),
528 SkScalarToFLOAT(affine[SkMatrix::kATransX]),
529 SkScalarToFLOAT(affine[SkMatrix::kATransY]),
530 };
531 HRM(this->fXpsFactory->CreateMatrixTransform(&rawXpsMatrix, xpsTransform),
532 "Could not create transform.");
533
534 return S_OK;
535 }
536
createPath(IXpsOMGeometryFigure * figure,IXpsOMVisualCollection * visuals,IXpsOMPath ** path)537 HRESULT SkXPSDevice::createPath(IXpsOMGeometryFigure* figure,
538 IXpsOMVisualCollection* visuals,
539 IXpsOMPath** path) {
540 SkTScopedComPtr<IXpsOMGeometry> geometry;
541 HRM(this->fXpsFactory->CreateGeometry(&geometry),
542 "Could not create geometry.");
543
544 SkTScopedComPtr<IXpsOMGeometryFigureCollection> figureCollection;
545 HRM(geometry->GetFigures(&figureCollection), "Could not get figures.");
546 HRM(figureCollection->Append(figure), "Could not add figure.");
547
548 HRM(this->fXpsFactory->CreatePath(path), "Could not create path.");
549 HRM((*path)->SetGeometryLocal(geometry.get()), "Could not set geometry");
550
551 HRM(visuals->Append(*path), "Could not add path to visuals.");
552 return S_OK;
553 }
554
createXpsSolidColorBrush(const SkColor skColor,const SkAlpha alpha,IXpsOMBrush ** xpsBrush)555 HRESULT SkXPSDevice::createXpsSolidColorBrush(const SkColor skColor,
556 const SkAlpha alpha,
557 IXpsOMBrush** xpsBrush) {
558 XPS_COLOR xpsColor = xps_color(skColor);
559 SkTScopedComPtr<IXpsOMSolidColorBrush> solidBrush;
560 HRM(this->fXpsFactory->CreateSolidColorBrush(&xpsColor, nullptr, &solidBrush),
561 "Could not create solid color brush.");
562 HRM(solidBrush->SetOpacity(alpha / 255.0f), "Could not set opacity.");
563 HRM(solidBrush->QueryInterface<IXpsOMBrush>(xpsBrush), "QI Fail.");
564 return S_OK;
565 }
566
sideOfClamp(const SkRect & areaToFill,const XPS_RECT & imageViewBox,IXpsOMImageResource * image,IXpsOMVisualCollection * visuals)567 HRESULT SkXPSDevice::sideOfClamp(const SkRect& areaToFill,
568 const XPS_RECT& imageViewBox,
569 IXpsOMImageResource* image,
570 IXpsOMVisualCollection* visuals) {
571 SkTScopedComPtr<IXpsOMGeometryFigure> areaToFillFigure;
572 HR(this->createXpsRect(areaToFill, FALSE, TRUE, &areaToFillFigure));
573
574 SkTScopedComPtr<IXpsOMPath> areaToFillPath;
575 HR(this->createPath(areaToFillFigure.get(), visuals, &areaToFillPath));
576
577 SkTScopedComPtr<IXpsOMImageBrush> areaToFillBrush;
578 HRM(this->fXpsFactory->CreateImageBrush(image,
579 &imageViewBox,
580 &imageViewBox,
581 &areaToFillBrush),
582 "Could not create brush for side of clamp.");
583 HRM(areaToFillBrush->SetTileMode(XPS_TILE_MODE_FLIPXY),
584 "Could not set tile mode for side of clamp.");
585 HRM(areaToFillPath->SetFillBrushLocal(areaToFillBrush.get()),
586 "Could not set brush for side of clamp");
587
588 return S_OK;
589 }
590
cornerOfClamp(const SkRect & areaToFill,const SkColor color,IXpsOMVisualCollection * visuals)591 HRESULT SkXPSDevice::cornerOfClamp(const SkRect& areaToFill,
592 const SkColor color,
593 IXpsOMVisualCollection* visuals) {
594 SkTScopedComPtr<IXpsOMGeometryFigure> areaToFillFigure;
595 HR(this->createXpsRect(areaToFill, FALSE, TRUE, &areaToFillFigure));
596
597 SkTScopedComPtr<IXpsOMPath> areaToFillPath;
598 HR(this->createPath(areaToFillFigure.get(), visuals, &areaToFillPath));
599
600 SkTScopedComPtr<IXpsOMBrush> areaToFillBrush;
601 HR(this->createXpsSolidColorBrush(color, 0xFF, &areaToFillBrush));
602 HRM(areaToFillPath->SetFillBrushLocal(areaToFillBrush.get()),
603 "Could not set brush for corner of clamp.");
604
605 return S_OK;
606 }
607
608 static const XPS_TILE_MODE XTM_N = XPS_TILE_MODE_NONE;
609 static const XPS_TILE_MODE XTM_T = XPS_TILE_MODE_TILE;
610 static const XPS_TILE_MODE XTM_X = XPS_TILE_MODE_FLIPX;
611 static const XPS_TILE_MODE XTM_Y = XPS_TILE_MODE_FLIPY;
612 static const XPS_TILE_MODE XTM_XY = XPS_TILE_MODE_FLIPXY;
613
614 //TODO(bungeman): In the future, should skia add None,
615 //handle None+Mirror and None+Repeat correctly.
616 //None is currently an internal hack so masks don't repeat (None+None only).
617 static XPS_TILE_MODE SkToXpsTileMode[SkShader::kTileModeCount+1]
618 [SkShader::kTileModeCount+1] = {
619 //Clamp //Repeat //Mirror //None
620 /*Clamp */ {XTM_N, XTM_T, XTM_Y, XTM_N},
621 /*Repeat*/ {XTM_T, XTM_T, XTM_Y, XTM_N},
622 /*Mirror*/ {XTM_X, XTM_X, XTM_XY, XTM_X},
623 /*None */ {XTM_N, XTM_N, XTM_Y, XTM_N},
624 };
625
createXpsImageBrush(const SkBitmap & bitmap,const SkMatrix & localMatrix,const SkShader::TileMode (& xy)[2],const SkAlpha alpha,IXpsOMTileBrush ** xpsBrush)626 HRESULT SkXPSDevice::createXpsImageBrush(
627 const SkBitmap& bitmap,
628 const SkMatrix& localMatrix,
629 const SkShader::TileMode (&xy)[2],
630 const SkAlpha alpha,
631 IXpsOMTileBrush** xpsBrush) {
632 SkDynamicMemoryWStream write;
633 if (!SkEncodeImage(&write, bitmap, SkEncodedImageFormat::kPNG, 100)) {
634 HRM(E_FAIL, "Unable to encode bitmap as png.");
635 }
636 SkMemoryStream* read = new SkMemoryStream;
637 read->setData(write.detachAsData());
638 SkTScopedComPtr<IStream> readWrapper;
639 HRM(SkIStream::CreateFromSkStream(read, true, &readWrapper),
640 "Could not create stream from png data.");
641
642 const size_t size =
643 SK_ARRAY_COUNT(L"/Documents/1/Resources/Images/" L_GUID_ID L".png");
644 wchar_t buffer[size];
645 wchar_t id[GUID_ID_LEN];
646 HR(this->createId(id, GUID_ID_LEN));
647 swprintf_s(buffer, size, L"/Documents/1/Resources/Images/%s.png", id);
648
649 SkTScopedComPtr<IOpcPartUri> imagePartUri;
650 HRM(this->fXpsFactory->CreatePartUri(buffer, &imagePartUri),
651 "Could not create image part uri.");
652
653 SkTScopedComPtr<IXpsOMImageResource> imageResource;
654 HRM(this->fXpsFactory->CreateImageResource(
655 readWrapper.get(),
656 XPS_IMAGE_TYPE_PNG,
657 imagePartUri.get(),
658 &imageResource),
659 "Could not create image resource.");
660
661 XPS_RECT bitmapRect = {
662 0.0, 0.0,
663 static_cast<FLOAT>(bitmap.width()), static_cast<FLOAT>(bitmap.height())
664 };
665 SkTScopedComPtr<IXpsOMImageBrush> xpsImageBrush;
666 HRM(this->fXpsFactory->CreateImageBrush(imageResource.get(),
667 &bitmapRect, &bitmapRect,
668 &xpsImageBrush),
669 "Could not create image brush.");
670
671 if (SkShader::kClamp_TileMode != xy[0] &&
672 SkShader::kClamp_TileMode != xy[1]) {
673
674 HRM(xpsImageBrush->SetTileMode(SkToXpsTileMode[xy[0]][xy[1]]),
675 "Could not set image tile mode");
676 HRM(xpsImageBrush->SetOpacity(alpha / 255.0f),
677 "Could not set image opacity.");
678 HRM(xpsImageBrush->QueryInterface(xpsBrush), "QI failed.");
679 } else {
680 //TODO(bungeman): compute how big this really needs to be.
681 const SkScalar BIG = SkIntToScalar(1000); //SK_ScalarMax;
682 const FLOAT BIG_F = SkScalarToFLOAT(BIG);
683 const SkScalar bWidth = SkIntToScalar(bitmap.width());
684 const SkScalar bHeight = SkIntToScalar(bitmap.height());
685
686 //create brush canvas
687 SkTScopedComPtr<IXpsOMCanvas> brushCanvas;
688 HRM(this->fXpsFactory->CreateCanvas(&brushCanvas),
689 "Could not create image brush canvas.");
690 SkTScopedComPtr<IXpsOMVisualCollection> brushVisuals;
691 HRM(brushCanvas->GetVisuals(&brushVisuals),
692 "Could not get image brush canvas visuals collection.");
693
694 //create central figure
695 const SkRect bitmapPoints = SkRect::MakeLTRB(0, 0, bWidth, bHeight);
696 SkTScopedComPtr<IXpsOMGeometryFigure> centralFigure;
697 HR(this->createXpsRect(bitmapPoints, FALSE, TRUE, ¢ralFigure));
698
699 SkTScopedComPtr<IXpsOMPath> centralPath;
700 HR(this->createPath(centralFigure.get(),
701 brushVisuals.get(),
702 ¢ralPath));
703 HRM(xpsImageBrush->SetTileMode(XPS_TILE_MODE_FLIPXY),
704 "Could not set tile mode for image brush central path.");
705 HRM(centralPath->SetFillBrushLocal(xpsImageBrush.get()),
706 "Could not set fill brush for image brush central path.");
707
708 //add left/right
709 if (SkShader::kClamp_TileMode == xy[0]) {
710 SkRect leftArea = SkRect::MakeLTRB(-BIG, 0, 0, bHeight);
711 XPS_RECT leftImageViewBox = {
712 0.0, 0.0,
713 1.0, static_cast<FLOAT>(bitmap.height()),
714 };
715 HR(this->sideOfClamp(leftArea, leftImageViewBox,
716 imageResource.get(),
717 brushVisuals.get()));
718
719 SkRect rightArea = SkRect::MakeLTRB(bWidth, 0, BIG, bHeight);
720 XPS_RECT rightImageViewBox = {
721 bitmap.width() - 1.0f, 0.0f,
722 1.0f, static_cast<FLOAT>(bitmap.height()),
723 };
724 HR(this->sideOfClamp(rightArea, rightImageViewBox,
725 imageResource.get(),
726 brushVisuals.get()));
727 }
728
729 //add top/bottom
730 if (SkShader::kClamp_TileMode == xy[1]) {
731 SkRect topArea = SkRect::MakeLTRB(0, -BIG, bWidth, 0);
732 XPS_RECT topImageViewBox = {
733 0.0, 0.0,
734 static_cast<FLOAT>(bitmap.width()), 1.0,
735 };
736 HR(this->sideOfClamp(topArea, topImageViewBox,
737 imageResource.get(),
738 brushVisuals.get()));
739
740 SkRect bottomArea = SkRect::MakeLTRB(0, bHeight, bWidth, BIG);
741 XPS_RECT bottomImageViewBox = {
742 0.0f, bitmap.height() - 1.0f,
743 static_cast<FLOAT>(bitmap.width()), 1.0f,
744 };
745 HR(this->sideOfClamp(bottomArea, bottomImageViewBox,
746 imageResource.get(),
747 brushVisuals.get()));
748 }
749
750 //add tl, tr, bl, br
751 if (SkShader::kClamp_TileMode == xy[0] &&
752 SkShader::kClamp_TileMode == xy[1]) {
753
754 const SkColor tlColor = bitmap.getColor(0,0);
755 const SkRect tlArea = SkRect::MakeLTRB(-BIG, -BIG, 0, 0);
756 HR(this->cornerOfClamp(tlArea, tlColor, brushVisuals.get()));
757
758 const SkColor trColor = bitmap.getColor(bitmap.width()-1,0);
759 const SkRect trArea = SkRect::MakeLTRB(bWidth, -BIG, BIG, 0);
760 HR(this->cornerOfClamp(trArea, trColor, brushVisuals.get()));
761
762 const SkColor brColor = bitmap.getColor(bitmap.width()-1,
763 bitmap.height()-1);
764 const SkRect brArea = SkRect::MakeLTRB(bWidth, bHeight, BIG, BIG);
765 HR(this->cornerOfClamp(brArea, brColor, brushVisuals.get()));
766
767 const SkColor blColor = bitmap.getColor(0,bitmap.height()-1);
768 const SkRect blArea = SkRect::MakeLTRB(-BIG, bHeight, 0, BIG);
769 HR(this->cornerOfClamp(blArea, blColor, brushVisuals.get()));
770 }
771
772 //create visual brush from canvas
773 XPS_RECT bound = {};
774 if (SkShader::kClamp_TileMode == xy[0] &&
775 SkShader::kClamp_TileMode == xy[1]) {
776
777 bound.x = BIG_F / -2;
778 bound.y = BIG_F / -2;
779 bound.width = BIG_F;
780 bound.height = BIG_F;
781 } else if (SkShader::kClamp_TileMode == xy[0]) {
782 bound.x = BIG_F / -2;
783 bound.y = 0.0f;
784 bound.width = BIG_F;
785 bound.height = static_cast<FLOAT>(bitmap.height());
786 } else if (SkShader::kClamp_TileMode == xy[1]) {
787 bound.x = 0;
788 bound.y = BIG_F / -2;
789 bound.width = static_cast<FLOAT>(bitmap.width());
790 bound.height = BIG_F;
791 }
792 SkTScopedComPtr<IXpsOMVisualBrush> clampBrush;
793 HRM(this->fXpsFactory->CreateVisualBrush(&bound, &bound, &clampBrush),
794 "Could not create visual brush for image brush.");
795 HRM(clampBrush->SetVisualLocal(brushCanvas.get()),
796 "Could not set canvas on visual brush for image brush.");
797 HRM(clampBrush->SetTileMode(SkToXpsTileMode[xy[0]][xy[1]]),
798 "Could not set tile mode on visual brush for image brush.");
799 HRM(clampBrush->SetOpacity(alpha / 255.0f),
800 "Could not set opacity on visual brush for image brush.");
801
802 HRM(clampBrush->QueryInterface(xpsBrush), "QI failed.");
803 }
804
805 SkTScopedComPtr<IXpsOMMatrixTransform> xpsMatrixToUse;
806 HR(this->createXpsTransform(localMatrix, &xpsMatrixToUse));
807 if (xpsMatrixToUse.get()) {
808 HRM((*xpsBrush)->SetTransformLocal(xpsMatrixToUse.get()),
809 "Could not set transform for image brush.");
810 } else {
811 //TODO(bungeman): perspective bitmaps in general.
812 }
813
814 return S_OK;
815 }
816
createXpsGradientStop(const SkColor skColor,const SkScalar offset,IXpsOMGradientStop ** xpsGradStop)817 HRESULT SkXPSDevice::createXpsGradientStop(const SkColor skColor,
818 const SkScalar offset,
819 IXpsOMGradientStop** xpsGradStop) {
820 XPS_COLOR gradStopXpsColor = xps_color(skColor);
821 HRM(this->fXpsFactory->CreateGradientStop(&gradStopXpsColor,
822 nullptr,
823 SkScalarToFLOAT(offset),
824 xpsGradStop),
825 "Could not create gradient stop.");
826 return S_OK;
827 }
828
createXpsLinearGradient(SkShader::GradientInfo info,const SkAlpha alpha,const SkMatrix & localMatrix,IXpsOMMatrixTransform * xpsMatrix,IXpsOMBrush ** xpsBrush)829 HRESULT SkXPSDevice::createXpsLinearGradient(SkShader::GradientInfo info,
830 const SkAlpha alpha,
831 const SkMatrix& localMatrix,
832 IXpsOMMatrixTransform* xpsMatrix,
833 IXpsOMBrush** xpsBrush) {
834 XPS_POINT startPoint;
835 XPS_POINT endPoint;
836 if (xpsMatrix) {
837 startPoint = xps_point(info.fPoint[0]);
838 endPoint = xps_point(info.fPoint[1]);
839 } else {
840 transform_offsets(info.fColorOffsets, info.fColorCount,
841 info.fPoint[0], info.fPoint[1],
842 localMatrix);
843 startPoint = xps_point(info.fPoint[0], localMatrix);
844 endPoint = xps_point(info.fPoint[1], localMatrix);
845 }
846
847 SkTScopedComPtr<IXpsOMGradientStop> gradStop0;
848 HR(createXpsGradientStop(info.fColors[0],
849 info.fColorOffsets[0],
850 &gradStop0));
851
852 SkTScopedComPtr<IXpsOMGradientStop> gradStop1;
853 HR(createXpsGradientStop(info.fColors[1],
854 info.fColorOffsets[1],
855 &gradStop1));
856
857 SkTScopedComPtr<IXpsOMLinearGradientBrush> gradientBrush;
858 HRM(this->fXpsFactory->CreateLinearGradientBrush(gradStop0.get(),
859 gradStop1.get(),
860 &startPoint,
861 &endPoint,
862 &gradientBrush),
863 "Could not create linear gradient brush.");
864 if (xpsMatrix) {
865 HRM(gradientBrush->SetTransformLocal(xpsMatrix),
866 "Could not set transform on linear gradient brush.");
867 }
868
869 SkTScopedComPtr<IXpsOMGradientStopCollection> gradStopCollection;
870 HRM(gradientBrush->GetGradientStops(&gradStopCollection),
871 "Could not get linear gradient stop collection.");
872 for (int i = 2; i < info.fColorCount; ++i) {
873 SkTScopedComPtr<IXpsOMGradientStop> gradStop;
874 HR(createXpsGradientStop(info.fColors[i],
875 info.fColorOffsets[i],
876 &gradStop));
877 HRM(gradStopCollection->Append(gradStop.get()),
878 "Could not add linear gradient stop.");
879 }
880
881 HRM(gradientBrush->SetSpreadMethod(xps_spread_method(info.fTileMode)),
882 "Could not set spread method of linear gradient.");
883
884 HRM(gradientBrush->SetOpacity(alpha / 255.0f),
885 "Could not set opacity of linear gradient brush.");
886 HRM(gradientBrush->QueryInterface<IXpsOMBrush>(xpsBrush), "QI failed");
887
888 return S_OK;
889 }
890
createXpsRadialGradient(SkShader::GradientInfo info,const SkAlpha alpha,const SkMatrix & localMatrix,IXpsOMMatrixTransform * xpsMatrix,IXpsOMBrush ** xpsBrush)891 HRESULT SkXPSDevice::createXpsRadialGradient(SkShader::GradientInfo info,
892 const SkAlpha alpha,
893 const SkMatrix& localMatrix,
894 IXpsOMMatrixTransform* xpsMatrix,
895 IXpsOMBrush** xpsBrush) {
896 SkTScopedComPtr<IXpsOMGradientStop> gradStop0;
897 HR(createXpsGradientStop(info.fColors[0],
898 info.fColorOffsets[0],
899 &gradStop0));
900
901 SkTScopedComPtr<IXpsOMGradientStop> gradStop1;
902 HR(createXpsGradientStop(info.fColors[1],
903 info.fColorOffsets[1],
904 &gradStop1));
905
906 //TODO: figure out how to fake better if not affine
907 XPS_POINT centerPoint;
908 XPS_POINT gradientOrigin;
909 XPS_SIZE radiiSizes;
910 if (xpsMatrix) {
911 centerPoint = xps_point(info.fPoint[0]);
912 gradientOrigin = xps_point(info.fPoint[0]);
913 radiiSizes.width = SkScalarToFLOAT(info.fRadius[0]);
914 radiiSizes.height = SkScalarToFLOAT(info.fRadius[0]);
915 } else {
916 centerPoint = xps_point(info.fPoint[0], localMatrix);
917 gradientOrigin = xps_point(info.fPoint[0], localMatrix);
918
919 SkScalar radius = info.fRadius[0];
920 SkVector vec[2];
921
922 vec[0].set(radius, 0);
923 vec[1].set(0, radius);
924 localMatrix.mapVectors(vec, 2);
925
926 SkScalar d0 = vec[0].length();
927 SkScalar d1 = vec[1].length();
928
929 radiiSizes.width = SkScalarToFLOAT(d0);
930 radiiSizes.height = SkScalarToFLOAT(d1);
931 }
932
933 SkTScopedComPtr<IXpsOMRadialGradientBrush> gradientBrush;
934 HRM(this->fXpsFactory->CreateRadialGradientBrush(gradStop0.get(),
935 gradStop1.get(),
936 ¢erPoint,
937 &gradientOrigin,
938 &radiiSizes,
939 &gradientBrush),
940 "Could not create radial gradient brush.");
941 if (xpsMatrix) {
942 HRM(gradientBrush->SetTransformLocal(xpsMatrix),
943 "Could not set transform on radial gradient brush.");
944 }
945
946 SkTScopedComPtr<IXpsOMGradientStopCollection> gradStopCollection;
947 HRM(gradientBrush->GetGradientStops(&gradStopCollection),
948 "Could not get radial gradient stop collection.");
949 for (int i = 2; i < info.fColorCount; ++i) {
950 SkTScopedComPtr<IXpsOMGradientStop> gradStop;
951 HR(createXpsGradientStop(info.fColors[i],
952 info.fColorOffsets[i],
953 &gradStop));
954 HRM(gradStopCollection->Append(gradStop.get()),
955 "Could not add radial gradient stop.");
956 }
957
958 HRM(gradientBrush->SetSpreadMethod(xps_spread_method(info.fTileMode)),
959 "Could not set spread method of radial gradient.");
960
961 HRM(gradientBrush->SetOpacity(alpha / 255.0f),
962 "Could not set opacity of radial gradient brush.");
963 HRM(gradientBrush->QueryInterface<IXpsOMBrush>(xpsBrush), "QI failed.");
964
965 return S_OK;
966 }
967
createXpsBrush(const SkPaint & skPaint,IXpsOMBrush ** brush,const SkMatrix * parentTransform)968 HRESULT SkXPSDevice::createXpsBrush(const SkPaint& skPaint,
969 IXpsOMBrush** brush,
970 const SkMatrix* parentTransform) {
971 const SkShader *shader = skPaint.getShader();
972 if (nullptr == shader) {
973 HR(this->createXpsSolidColorBrush(skPaint.getColor(), 0xFF, brush));
974 return S_OK;
975 }
976
977 //Gradient shaders.
978 SkShader::GradientInfo info;
979 info.fColorCount = 0;
980 info.fColors = nullptr;
981 info.fColorOffsets = nullptr;
982 SkShader::GradientType gradientType = shader->asAGradient(&info);
983
984 if (SkShader::kNone_GradientType == gradientType) {
985 //Nothing to see, move along.
986
987 } else if (SkShader::kColor_GradientType == gradientType) {
988 SkASSERT(1 == info.fColorCount);
989 SkColor color;
990 info.fColors = &color;
991 shader->asAGradient(&info);
992 SkAlpha alpha = skPaint.getAlpha();
993 HR(this->createXpsSolidColorBrush(color, alpha, brush));
994 return S_OK;
995
996 } else {
997 if (info.fColorCount == 0) {
998 const SkColor color = skPaint.getColor();
999 HR(this->createXpsSolidColorBrush(color, 0xFF, brush));
1000 return S_OK;
1001 }
1002
1003 SkAutoTArray<SkColor> colors(info.fColorCount);
1004 SkAutoTArray<SkScalar> colorOffsets(info.fColorCount);
1005 info.fColors = colors.get();
1006 info.fColorOffsets = colorOffsets.get();
1007 shader->asAGradient(&info);
1008
1009 if (1 == info.fColorCount) {
1010 SkColor color = info.fColors[0];
1011 SkAlpha alpha = skPaint.getAlpha();
1012 HR(this->createXpsSolidColorBrush(color, alpha, brush));
1013 return S_OK;
1014 }
1015
1016 SkMatrix localMatrix = shader->getLocalMatrix();
1017 if (parentTransform) {
1018 localMatrix.preConcat(*parentTransform);
1019 }
1020 SkTScopedComPtr<IXpsOMMatrixTransform> xpsMatrixToUse;
1021 HR(this->createXpsTransform(localMatrix, &xpsMatrixToUse));
1022
1023 if (SkShader::kLinear_GradientType == gradientType) {
1024 HR(this->createXpsLinearGradient(info,
1025 skPaint.getAlpha(),
1026 localMatrix,
1027 xpsMatrixToUse.get(),
1028 brush));
1029 return S_OK;
1030 }
1031
1032 if (SkShader::kRadial_GradientType == gradientType) {
1033 HR(this->createXpsRadialGradient(info,
1034 skPaint.getAlpha(),
1035 localMatrix,
1036 xpsMatrixToUse.get(),
1037 brush));
1038 return S_OK;
1039 }
1040
1041 if (SkShader::kConical_GradientType == gradientType) {
1042 //simple if affine and one is 0, otherwise will have to fake
1043 }
1044
1045 if (SkShader::kSweep_GradientType == gradientType) {
1046 //have to fake
1047 }
1048 }
1049
1050 SkBitmap outTexture;
1051 SkMatrix outMatrix;
1052 SkShader::TileMode xy[2];
1053 SkImage* image = shader->isAImage(&outMatrix, xy);
1054 if (image && image->asLegacyBitmap(&outTexture)) {
1055 //TODO: outMatrix??
1056 SkMatrix localMatrix = shader->getLocalMatrix();
1057 if (parentTransform) {
1058 localMatrix.postConcat(*parentTransform);
1059 }
1060
1061 SkTScopedComPtr<IXpsOMTileBrush> tileBrush;
1062 HR(this->createXpsImageBrush(outTexture,
1063 localMatrix,
1064 xy,
1065 skPaint.getAlpha(),
1066 &tileBrush));
1067
1068 HRM(tileBrush->QueryInterface<IXpsOMBrush>(brush), "QI failed.");
1069 } else {
1070 HR(this->createXpsSolidColorBrush(skPaint.getColor(), 0xFF, brush));
1071 }
1072 return S_OK;
1073 }
1074
rect_must_be_pathed(const SkPaint & paint,const SkMatrix & matrix)1075 static bool rect_must_be_pathed(const SkPaint& paint, const SkMatrix& matrix) {
1076 const bool zeroWidth = (0 == paint.getStrokeWidth());
1077 const bool stroke = (SkPaint::kFill_Style != paint.getStyle());
1078
1079 return paint.getPathEffect() ||
1080 paint.getMaskFilter() ||
1081 (stroke && (
1082 (matrix.hasPerspective() && !zeroWidth) ||
1083 SkPaint::kMiter_Join != paint.getStrokeJoin() ||
1084 (SkPaint::kMiter_Join == paint.getStrokeJoin() &&
1085 paint.getStrokeMiter() < SK_ScalarSqrt2)
1086 ))
1087 ;
1088 }
1089
createXpsRect(const SkRect & rect,BOOL stroke,BOOL fill,IXpsOMGeometryFigure ** xpsRect)1090 HRESULT SkXPSDevice::createXpsRect(const SkRect& rect, BOOL stroke, BOOL fill,
1091 IXpsOMGeometryFigure** xpsRect) {
1092 const SkPoint points[4] = {
1093 { rect.fLeft, rect.fTop },
1094 { rect.fRight, rect.fTop },
1095 { rect.fRight, rect.fBottom },
1096 { rect.fLeft, rect.fBottom },
1097 };
1098 return this->createXpsQuad(points, stroke, fill, xpsRect);
1099 }
createXpsQuad(const SkPoint (& points)[4],BOOL stroke,BOOL fill,IXpsOMGeometryFigure ** xpsQuad)1100 HRESULT SkXPSDevice::createXpsQuad(const SkPoint (&points)[4],
1101 BOOL stroke, BOOL fill,
1102 IXpsOMGeometryFigure** xpsQuad) {
1103 // Define the start point.
1104 XPS_POINT startPoint = xps_point(points[0]);
1105
1106 // Create the figure.
1107 HRM(this->fXpsFactory->CreateGeometryFigure(&startPoint, xpsQuad),
1108 "Could not create quad geometry figure.");
1109
1110 // Define the type of each segment.
1111 XPS_SEGMENT_TYPE segmentTypes[3] = {
1112 XPS_SEGMENT_TYPE_LINE,
1113 XPS_SEGMENT_TYPE_LINE,
1114 XPS_SEGMENT_TYPE_LINE,
1115 };
1116
1117 // Define the x and y coordinates of each corner of the figure.
1118 FLOAT segmentData[6] = {
1119 SkScalarToFLOAT(points[1].fX), SkScalarToFLOAT(points[1].fY),
1120 SkScalarToFLOAT(points[2].fX), SkScalarToFLOAT(points[2].fY),
1121 SkScalarToFLOAT(points[3].fX), SkScalarToFLOAT(points[3].fY),
1122 };
1123
1124 // Describe if the segments are stroked.
1125 BOOL segmentStrokes[3] = {
1126 stroke, stroke, stroke,
1127 };
1128
1129 // Add the segment data to the figure.
1130 HRM((*xpsQuad)->SetSegments(
1131 3, 6,
1132 segmentTypes , segmentData, segmentStrokes),
1133 "Could not add segment data to quad.");
1134
1135 // Set the closed and filled properties of the figure.
1136 HRM((*xpsQuad)->SetIsClosed(stroke), "Could not set quad close.");
1137 HRM((*xpsQuad)->SetIsFilled(fill), "Could not set quad fill.");
1138
1139 return S_OK;
1140 }
1141
1142 template <typename F, typename... Args>
draw(SkClipStackDevice * dev,F f,Args &&...args)1143 void draw(SkClipStackDevice* dev, F f, Args&&... args) {
1144 SkIRect r = dev->devClipBounds();
1145 SkRasterClip rc(r);
1146 SkDraw draw;
1147 draw.fMatrix = &dev->ctm();
1148 draw.fDst = SkPixmap(SkImageInfo::MakeUnknown(r.right(), r.bottom()), nullptr, 0);
1149 draw.fRC = &rc;
1150 (draw.*f)(std::forward<Args>(args)...);
1151 }
1152
1153
drawPoints(SkCanvas::PointMode mode,size_t count,const SkPoint points[],const SkPaint & paint)1154 void SkXPSDevice::drawPoints(SkCanvas::PointMode mode,
1155 size_t count, const SkPoint points[],
1156 const SkPaint& paint) {
1157 draw(this, &SkDraw::drawPoints, mode, count, points, paint, this);
1158 }
1159
drawVertices(const SkVertices * v,const SkVertices::Bone bones[],int boneCount,SkBlendMode blendMode,const SkPaint & paint)1160 void SkXPSDevice::drawVertices(const SkVertices* v, const SkVertices::Bone bones[], int boneCount,
1161 SkBlendMode blendMode, const SkPaint& paint) {
1162 draw(this, &SkDraw::drawVertices, v->mode(), v->vertexCount(), v->positions(), v->texCoords(),
1163 v->colors(), v->boneIndices(), v->boneWeights(), blendMode, v->indices(), v->indexCount(),
1164 paint, bones, boneCount);
1165 }
1166
drawPaint(const SkPaint & origPaint)1167 void SkXPSDevice::drawPaint(const SkPaint& origPaint) {
1168 const SkRect r = SkRect::MakeSize(this->fCurrentCanvasSize);
1169
1170 //If trying to paint with a stroke, ignore that and fill.
1171 SkPaint* fillPaint = const_cast<SkPaint*>(&origPaint);
1172 SkTCopyOnFirstWrite<SkPaint> paint(origPaint);
1173 if (paint->getStyle() != SkPaint::kFill_Style) {
1174 paint.writable()->setStyle(SkPaint::kFill_Style);
1175 }
1176
1177 this->internalDrawRect(r, false, *fillPaint);
1178 }
1179
drawRect(const SkRect & r,const SkPaint & paint)1180 void SkXPSDevice::drawRect(const SkRect& r,
1181 const SkPaint& paint) {
1182 this->internalDrawRect(r, true, paint);
1183 }
1184
drawRRect(const SkRRect & rr,const SkPaint & paint)1185 void SkXPSDevice::drawRRect(const SkRRect& rr,
1186 const SkPaint& paint) {
1187 SkPath path;
1188 path.addRRect(rr);
1189 this->drawPath(path, paint, true);
1190 }
1191
size(const SkBaseDevice & dev)1192 static SkIRect size(const SkBaseDevice& dev) { return {0, 0, dev.width(), dev.height()}; }
1193
internalDrawRect(const SkRect & r,bool transformRect,const SkPaint & paint)1194 void SkXPSDevice::internalDrawRect(const SkRect& r,
1195 bool transformRect,
1196 const SkPaint& paint) {
1197 //Exit early if there is nothing to draw.
1198 if (this->cs().isEmpty(size(*this)) ||
1199 (paint.getAlpha() == 0 && paint.isSrcOver())) {
1200 return;
1201 }
1202
1203 //Path the rect if we can't optimize it.
1204 if (rect_must_be_pathed(paint, this->ctm())) {
1205 SkPath tmp;
1206 tmp.addRect(r);
1207 tmp.setFillType(SkPath::kWinding_FillType);
1208 this->drawPath(tmp, paint, true);
1209 return;
1210 }
1211
1212 //Create the shaded path.
1213 SkTScopedComPtr<IXpsOMPath> shadedPath;
1214 HRVM(this->fXpsFactory->CreatePath(&shadedPath),
1215 "Could not create shaded path for rect.");
1216
1217 //Create the shaded geometry.
1218 SkTScopedComPtr<IXpsOMGeometry> shadedGeometry;
1219 HRVM(this->fXpsFactory->CreateGeometry(&shadedGeometry),
1220 "Could not create shaded geometry for rect.");
1221
1222 //Add the geometry to the shaded path.
1223 HRVM(shadedPath->SetGeometryLocal(shadedGeometry.get()),
1224 "Could not set shaded geometry for rect.");
1225
1226 //Set the brushes.
1227 BOOL fill = FALSE;
1228 BOOL stroke = FALSE;
1229 HRV(this->shadePath(shadedPath.get(), paint, this->ctm(), &fill, &stroke));
1230
1231 bool xpsTransformsPath = true;
1232 //Transform the geometry.
1233 if (transformRect && xpsTransformsPath) {
1234 SkTScopedComPtr<IXpsOMMatrixTransform> xpsTransform;
1235 HRV(this->createXpsTransform(this->ctm(), &xpsTransform));
1236 if (xpsTransform.get()) {
1237 HRVM(shadedGeometry->SetTransformLocal(xpsTransform.get()),
1238 "Could not set transform for rect.");
1239 } else {
1240 xpsTransformsPath = false;
1241 }
1242 }
1243
1244 //Create the figure.
1245 SkTScopedComPtr<IXpsOMGeometryFigure> rectFigure;
1246 {
1247 SkPoint points[4] = {
1248 { r.fLeft, r.fTop },
1249 { r.fLeft, r.fBottom },
1250 { r.fRight, r.fBottom },
1251 { r.fRight, r.fTop },
1252 };
1253 if (!xpsTransformsPath && transformRect) {
1254 this->ctm().mapPoints(points, SK_ARRAY_COUNT(points));
1255 }
1256 HRV(this->createXpsQuad(points, stroke, fill, &rectFigure));
1257 }
1258
1259 //Get the figures of the shaded geometry.
1260 SkTScopedComPtr<IXpsOMGeometryFigureCollection> shadedFigures;
1261 HRVM(shadedGeometry->GetFigures(&shadedFigures),
1262 "Could not get shaded figures for rect.");
1263
1264 //Add the figure to the shaded geometry figures.
1265 HRVM(shadedFigures->Append(rectFigure.get()),
1266 "Could not add shaded figure for rect.");
1267
1268 HRV(this->clip(shadedPath.get()));
1269
1270 //Add the shaded path to the current visuals.
1271 SkTScopedComPtr<IXpsOMVisualCollection> currentVisuals;
1272 HRVM(this->fCurrentXpsCanvas->GetVisuals(¤tVisuals),
1273 "Could not get current visuals for rect.");
1274 HRVM(currentVisuals->Append(shadedPath.get()),
1275 "Could not add rect to current visuals.");
1276 }
1277
close_figure(const SkTDArray<XPS_SEGMENT_TYPE> & segmentTypes,const SkTDArray<BOOL> & segmentStrokes,const SkTDArray<FLOAT> & segmentData,BOOL stroke,BOOL fill,IXpsOMGeometryFigure * figure,IXpsOMGeometryFigureCollection * figures)1278 static HRESULT close_figure(const SkTDArray<XPS_SEGMENT_TYPE>& segmentTypes,
1279 const SkTDArray<BOOL>& segmentStrokes,
1280 const SkTDArray<FLOAT>& segmentData,
1281 BOOL stroke, BOOL fill,
1282 IXpsOMGeometryFigure* figure,
1283 IXpsOMGeometryFigureCollection* figures) {
1284 // Add the segment data to the figure.
1285 HRM(figure->SetSegments(segmentTypes.count(), segmentData.count(),
1286 segmentTypes.begin() , segmentData.begin(),
1287 segmentStrokes.begin()),
1288 "Could not set path segments.");
1289
1290 // Set the closed and filled properties of the figure.
1291 HRM(figure->SetIsClosed(stroke), "Could not set path closed.");
1292 HRM(figure->SetIsFilled(fill), "Could not set path fill.");
1293
1294 // Add the figure created above to this geometry.
1295 HRM(figures->Append(figure), "Could not add path to geometry.");
1296 return S_OK;
1297 }
1298
addXpsPathGeometry(IXpsOMGeometryFigureCollection * xpsFigures,BOOL stroke,BOOL fill,const SkPath & path)1299 HRESULT SkXPSDevice::addXpsPathGeometry(
1300 IXpsOMGeometryFigureCollection* xpsFigures,
1301 BOOL stroke, BOOL fill, const SkPath& path) {
1302 SkTDArray<XPS_SEGMENT_TYPE> segmentTypes;
1303 SkTDArray<BOOL> segmentStrokes;
1304 SkTDArray<FLOAT> segmentData;
1305
1306 SkTScopedComPtr<IXpsOMGeometryFigure> xpsFigure;
1307 SkPath::Iter iter(path, true);
1308 SkPoint points[4];
1309 SkPath::Verb verb;
1310 while ((verb = iter.next(points)) != SkPath::kDone_Verb) {
1311 switch (verb) {
1312 case SkPath::kMove_Verb: {
1313 if (xpsFigure.get()) {
1314 HR(close_figure(segmentTypes, segmentStrokes, segmentData,
1315 stroke, fill,
1316 xpsFigure.get() , xpsFigures));
1317 xpsFigure.reset();
1318 segmentTypes.rewind();
1319 segmentStrokes.rewind();
1320 segmentData.rewind();
1321 }
1322 // Define the start point.
1323 XPS_POINT startPoint = xps_point(points[0]);
1324 // Create the figure.
1325 HRM(this->fXpsFactory->CreateGeometryFigure(&startPoint,
1326 &xpsFigure),
1327 "Could not create path geometry figure.");
1328 break;
1329 }
1330 case SkPath::kLine_Verb:
1331 if (iter.isCloseLine()) break; //ignore the line, auto-closed
1332 segmentTypes.push_back(XPS_SEGMENT_TYPE_LINE);
1333 segmentStrokes.push_back(stroke);
1334 segmentData.push_back(SkScalarToFLOAT(points[1].fX));
1335 segmentData.push_back(SkScalarToFLOAT(points[1].fY));
1336 break;
1337 case SkPath::kQuad_Verb:
1338 segmentTypes.push_back(XPS_SEGMENT_TYPE_QUADRATIC_BEZIER);
1339 segmentStrokes.push_back(stroke);
1340 segmentData.push_back(SkScalarToFLOAT(points[1].fX));
1341 segmentData.push_back(SkScalarToFLOAT(points[1].fY));
1342 segmentData.push_back(SkScalarToFLOAT(points[2].fX));
1343 segmentData.push_back(SkScalarToFLOAT(points[2].fY));
1344 break;
1345 case SkPath::kCubic_Verb:
1346 segmentTypes.push_back(XPS_SEGMENT_TYPE_BEZIER);
1347 segmentStrokes.push_back(stroke);
1348 segmentData.push_back(SkScalarToFLOAT(points[1].fX));
1349 segmentData.push_back(SkScalarToFLOAT(points[1].fY));
1350 segmentData.push_back(SkScalarToFLOAT(points[2].fX));
1351 segmentData.push_back(SkScalarToFLOAT(points[2].fY));
1352 segmentData.push_back(SkScalarToFLOAT(points[3].fX));
1353 segmentData.push_back(SkScalarToFLOAT(points[3].fY));
1354 break;
1355 case SkPath::kConic_Verb: {
1356 const SkScalar tol = SK_Scalar1 / 4;
1357 SkAutoConicToQuads converter;
1358 const SkPoint* quads =
1359 converter.computeQuads(points, iter.conicWeight(), tol);
1360 for (int i = 0; i < converter.countQuads(); ++i) {
1361 segmentTypes.push_back(XPS_SEGMENT_TYPE_QUADRATIC_BEZIER);
1362 segmentStrokes.push_back(stroke);
1363 segmentData.push_back(SkScalarToFLOAT(quads[2 * i + 1].fX));
1364 segmentData.push_back(SkScalarToFLOAT(quads[2 * i + 1].fY));
1365 segmentData.push_back(SkScalarToFLOAT(quads[2 * i + 2].fX));
1366 segmentData.push_back(SkScalarToFLOAT(quads[2 * i + 2].fY));
1367 }
1368 break;
1369 }
1370 case SkPath::kClose_Verb:
1371 // we ignore these, and just get the whole segment from
1372 // the corresponding line/quad/cubic verbs
1373 break;
1374 default:
1375 SkDEBUGFAIL("unexpected verb");
1376 break;
1377 }
1378 }
1379 if (xpsFigure.get()) {
1380 HR(close_figure(segmentTypes, segmentStrokes, segmentData,
1381 stroke, fill,
1382 xpsFigure.get(), xpsFigures));
1383 }
1384 return S_OK;
1385 }
1386
convertToPpm(const SkMaskFilter * filter,SkMatrix * matrix,SkVector * ppuScale,const SkIRect & clip,SkIRect * clipIRect)1387 void SkXPSDevice::convertToPpm(const SkMaskFilter* filter,
1388 SkMatrix* matrix,
1389 SkVector* ppuScale,
1390 const SkIRect& clip, SkIRect* clipIRect) {
1391 //This action is in unit space, but the ppm is specified in physical space.
1392 ppuScale->set(fCurrentPixelsPerMeter.fX / fCurrentUnitsPerMeter.fX,
1393 fCurrentPixelsPerMeter.fY / fCurrentUnitsPerMeter.fY);
1394
1395 matrix->postScale(ppuScale->fX, ppuScale->fY);
1396
1397 const SkIRect& irect = clip;
1398 SkRect clipRect = SkRect::MakeLTRB(SkIntToScalar(irect.fLeft) * ppuScale->fX,
1399 SkIntToScalar(irect.fTop) * ppuScale->fY,
1400 SkIntToScalar(irect.fRight) * ppuScale->fX,
1401 SkIntToScalar(irect.fBottom) * ppuScale->fY);
1402 clipRect.roundOut(clipIRect);
1403 }
1404
applyMask(const SkMask & mask,const SkVector & ppuScale,IXpsOMPath * shadedPath)1405 HRESULT SkXPSDevice::applyMask(const SkMask& mask,
1406 const SkVector& ppuScale,
1407 IXpsOMPath* shadedPath) {
1408 //Get the geometry object.
1409 SkTScopedComPtr<IXpsOMGeometry> shadedGeometry;
1410 HRM(shadedPath->GetGeometry(&shadedGeometry),
1411 "Could not get mask shaded geometry.");
1412
1413 //Get the figures from the geometry.
1414 SkTScopedComPtr<IXpsOMGeometryFigureCollection> shadedFigures;
1415 HRM(shadedGeometry->GetFigures(&shadedFigures),
1416 "Could not get mask shaded figures.");
1417
1418 SkMatrix m;
1419 m.reset();
1420 m.setTranslate(SkIntToScalar(mask.fBounds.fLeft),
1421 SkIntToScalar(mask.fBounds.fTop));
1422 m.postScale(SkScalarInvert(ppuScale.fX), SkScalarInvert(ppuScale.fY));
1423
1424 SkShader::TileMode xy[2];
1425 xy[0] = (SkShader::TileMode)3;
1426 xy[1] = (SkShader::TileMode)3;
1427
1428 SkBitmap bm;
1429 bm.installMaskPixels(mask);
1430
1431 SkTScopedComPtr<IXpsOMTileBrush> maskBrush;
1432 HR(this->createXpsImageBrush(bm, m, xy, 0xFF, &maskBrush));
1433 HRM(shadedPath->SetOpacityMaskBrushLocal(maskBrush.get()),
1434 "Could not set mask.");
1435
1436 const SkRect universeRect = SkRect::MakeLTRB(0, 0,
1437 this->fCurrentCanvasSize.fWidth, this->fCurrentCanvasSize.fHeight);
1438 SkTScopedComPtr<IXpsOMGeometryFigure> shadedFigure;
1439 HRM(this->createXpsRect(universeRect, FALSE, TRUE, &shadedFigure),
1440 "Could not create mask shaded figure.");
1441 HRM(shadedFigures->Append(shadedFigure.get()),
1442 "Could not add mask shaded figure.");
1443
1444 HR(this->clip(shadedPath));
1445
1446 //Add the path to the active visual collection.
1447 SkTScopedComPtr<IXpsOMVisualCollection> currentVisuals;
1448 HRM(this->fCurrentXpsCanvas->GetVisuals(¤tVisuals),
1449 "Could not get mask current visuals.");
1450 HRM(currentVisuals->Append(shadedPath),
1451 "Could not add masked shaded path to current visuals.");
1452
1453 return S_OK;
1454 }
1455
shadePath(IXpsOMPath * shadedPath,const SkPaint & shaderPaint,const SkMatrix & matrix,BOOL * fill,BOOL * stroke)1456 HRESULT SkXPSDevice::shadePath(IXpsOMPath* shadedPath,
1457 const SkPaint& shaderPaint,
1458 const SkMatrix& matrix,
1459 BOOL* fill, BOOL* stroke) {
1460 *fill = FALSE;
1461 *stroke = FALSE;
1462
1463 const SkPaint::Style style = shaderPaint.getStyle();
1464 const bool hasFill = SkPaint::kFill_Style == style
1465 || SkPaint::kStrokeAndFill_Style == style;
1466 const bool hasStroke = SkPaint::kStroke_Style == style
1467 || SkPaint::kStrokeAndFill_Style == style;
1468
1469 //TODO(bungeman): use dictionaries and lookups.
1470 if (hasFill) {
1471 *fill = TRUE;
1472 SkTScopedComPtr<IXpsOMBrush> fillBrush;
1473 HR(this->createXpsBrush(shaderPaint, &fillBrush, &matrix));
1474 HRM(shadedPath->SetFillBrushLocal(fillBrush.get()),
1475 "Could not set fill for shaded path.");
1476 }
1477
1478 if (hasStroke) {
1479 *stroke = TRUE;
1480 SkTScopedComPtr<IXpsOMBrush> strokeBrush;
1481 HR(this->createXpsBrush(shaderPaint, &strokeBrush, &matrix));
1482 HRM(shadedPath->SetStrokeBrushLocal(strokeBrush.get()),
1483 "Could not set stroke brush for shaded path.");
1484 HRM(shadedPath->SetStrokeThickness(
1485 SkScalarToFLOAT(shaderPaint.getStrokeWidth())),
1486 "Could not set shaded path stroke thickness.");
1487
1488 if (0 == shaderPaint.getStrokeWidth()) {
1489 //XPS hair width is a hack. (XPS Spec 11.6.12).
1490 SkTScopedComPtr<IXpsOMDashCollection> dashes;
1491 HRM(shadedPath->GetStrokeDashes(&dashes),
1492 "Could not set dashes for shaded path.");
1493 XPS_DASH dash;
1494 dash.length = 1.0;
1495 dash.gap = 0.0;
1496 HRM(dashes->Append(&dash), "Could not add dashes to shaded path.");
1497 HRM(shadedPath->SetStrokeDashOffset(-2.0),
1498 "Could not set dash offset for shaded path.");
1499 }
1500 }
1501 return S_OK;
1502 }
1503
drawPath(const SkPath & platonicPath,const SkPaint & origPaint,bool pathIsMutable)1504 void SkXPSDevice::drawPath(const SkPath& platonicPath,
1505 const SkPaint& origPaint,
1506 bool pathIsMutable) {
1507 SkTCopyOnFirstWrite<SkPaint> paint(origPaint);
1508
1509 // nothing to draw
1510 if (this->cs().isEmpty(size(*this)) ||
1511 (paint->getAlpha() == 0 && paint->isSrcOver())) {
1512 return;
1513 }
1514
1515 SkPath modifiedPath;
1516 const bool paintHasPathEffect = paint->getPathEffect()
1517 || paint->getStyle() != SkPaint::kFill_Style;
1518
1519 //Apply pre-path matrix [Platonic-path -> Skeletal-path].
1520 SkMatrix matrix = this->ctm();
1521 SkPath* skeletalPath = const_cast<SkPath*>(&platonicPath);
1522
1523 //Apply path effect [Skeletal-path -> Fillable-path].
1524 SkPath* fillablePath = skeletalPath;
1525 if (paintHasPathEffect) {
1526 if (!pathIsMutable) {
1527 fillablePath = &modifiedPath;
1528 pathIsMutable = true;
1529 }
1530 bool fill = paint->getFillPath(*skeletalPath, fillablePath);
1531
1532 SkPaint* writablePaint = paint.writable();
1533 writablePaint->setPathEffect(nullptr);
1534 if (fill) {
1535 writablePaint->setStyle(SkPaint::kFill_Style);
1536 } else {
1537 writablePaint->setStyle(SkPaint::kStroke_Style);
1538 writablePaint->setStrokeWidth(0);
1539 }
1540 }
1541
1542 //Create the shaded path. This will be the path which is painted.
1543 SkTScopedComPtr<IXpsOMPath> shadedPath;
1544 HRVM(this->fXpsFactory->CreatePath(&shadedPath),
1545 "Could not create shaded path for path.");
1546
1547 //Create the geometry for the shaded path.
1548 SkTScopedComPtr<IXpsOMGeometry> shadedGeometry;
1549 HRVM(this->fXpsFactory->CreateGeometry(&shadedGeometry),
1550 "Could not create shaded geometry for path.");
1551
1552 //Add the geometry to the shaded path.
1553 HRVM(shadedPath->SetGeometryLocal(shadedGeometry.get()),
1554 "Could not add the shaded geometry to shaded path.");
1555
1556 SkMaskFilter* filter = paint->getMaskFilter();
1557
1558 //Determine if we will draw or shade and mask.
1559 if (filter) {
1560 if (paint->getStyle() != SkPaint::kFill_Style) {
1561 paint.writable()->setStyle(SkPaint::kFill_Style);
1562 }
1563 }
1564
1565 //Set the brushes.
1566 BOOL fill;
1567 BOOL stroke;
1568 HRV(this->shadePath(shadedPath.get(),
1569 *paint,
1570 this->ctm(),
1571 &fill,
1572 &stroke));
1573
1574 //Mask filter
1575 if (filter) {
1576 SkIRect clipIRect;
1577 SkVector ppuScale;
1578 this->convertToPpm(filter,
1579 &matrix,
1580 &ppuScale,
1581 this->cs().bounds(size(*this)).roundOut(),
1582 &clipIRect);
1583
1584 //[Fillable-path -> Pixel-path]
1585 SkPath* pixelPath = pathIsMutable ? fillablePath : &modifiedPath;
1586 fillablePath->transform(matrix, pixelPath);
1587
1588 SkMask* mask = nullptr;
1589
1590 SkASSERT(SkPaint::kFill_Style == paint->getStyle() ||
1591 (SkPaint::kStroke_Style == paint->getStyle() && 0 == paint->getStrokeWidth()));
1592 SkStrokeRec::InitStyle style = (SkPaint::kFill_Style == paint->getStyle())
1593 ? SkStrokeRec::kFill_InitStyle
1594 : SkStrokeRec::kHairline_InitStyle;
1595 //[Pixel-path -> Mask]
1596 SkMask rasteredMask;
1597 if (SkDraw::DrawToMask(
1598 *pixelPath,
1599 &clipIRect,
1600 filter, //just to compute how much to draw.
1601 &matrix,
1602 &rasteredMask,
1603 SkMask::kComputeBoundsAndRenderImage_CreateMode,
1604 style)) {
1605
1606 SkAutoMaskFreeImage rasteredAmi(rasteredMask.fImage);
1607 mask = &rasteredMask;
1608
1609 //[Mask -> Mask]
1610 SkMask filteredMask;
1611 if (as_MFB(filter)->filterMask(&filteredMask, rasteredMask, matrix, nullptr)) {
1612 mask = &filteredMask;
1613 }
1614 SkAutoMaskFreeImage filteredAmi(filteredMask.fImage);
1615
1616 //Draw mask.
1617 HRV(this->applyMask(*mask, ppuScale, shadedPath.get()));
1618 }
1619 return;
1620 }
1621
1622 //Get the figures from the shaded geometry.
1623 SkTScopedComPtr<IXpsOMGeometryFigureCollection> shadedFigures;
1624 HRVM(shadedGeometry->GetFigures(&shadedFigures),
1625 "Could not get shaded figures for shaded path.");
1626
1627 bool xpsTransformsPath = true;
1628
1629 //Set the fill rule.
1630 SkPath* xpsCompatiblePath = fillablePath;
1631 XPS_FILL_RULE xpsFillRule;
1632 switch (fillablePath->getFillType()) {
1633 case SkPath::kWinding_FillType:
1634 xpsFillRule = XPS_FILL_RULE_NONZERO;
1635 break;
1636 case SkPath::kEvenOdd_FillType:
1637 xpsFillRule = XPS_FILL_RULE_EVENODD;
1638 break;
1639 case SkPath::kInverseWinding_FillType: {
1640 //[Fillable-path (inverse winding) -> XPS-path (inverse even odd)]
1641 if (!pathIsMutable) {
1642 xpsCompatiblePath = &modifiedPath;
1643 pathIsMutable = true;
1644 }
1645 if (!Simplify(*fillablePath, xpsCompatiblePath)) {
1646 SkDEBUGF("Could not simplify inverse winding path.");
1647 return;
1648 }
1649 }
1650 // The xpsCompatiblePath is noW inverse even odd, so fall through.
1651 case SkPath::kInverseEvenOdd_FillType: {
1652 const SkRect universe = SkRect::MakeLTRB(
1653 0, 0,
1654 this->fCurrentCanvasSize.fWidth,
1655 this->fCurrentCanvasSize.fHeight);
1656 SkTScopedComPtr<IXpsOMGeometryFigure> addOneFigure;
1657 HRV(this->createXpsRect(universe, FALSE, TRUE, &addOneFigure));
1658 HRVM(shadedFigures->Append(addOneFigure.get()),
1659 "Could not add even-odd flip figure to shaded path.");
1660 xpsTransformsPath = false;
1661 xpsFillRule = XPS_FILL_RULE_EVENODD;
1662 break;
1663 }
1664 default:
1665 SkDEBUGFAIL("Unknown SkPath::FillType.");
1666 }
1667 HRVM(shadedGeometry->SetFillRule(xpsFillRule),
1668 "Could not set fill rule for shaded path.");
1669
1670 //Create the XPS transform, if possible.
1671 if (xpsTransformsPath) {
1672 SkTScopedComPtr<IXpsOMMatrixTransform> xpsTransform;
1673 HRV(this->createXpsTransform(matrix, &xpsTransform));
1674
1675 if (xpsTransform.get()) {
1676 HRVM(shadedGeometry->SetTransformLocal(xpsTransform.get()),
1677 "Could not set transform on shaded path.");
1678 } else {
1679 xpsTransformsPath = false;
1680 }
1681 }
1682
1683 SkPath* devicePath = xpsCompatiblePath;
1684 if (!xpsTransformsPath) {
1685 //[Fillable-path -> Device-path]
1686 devicePath = pathIsMutable ? xpsCompatiblePath : &modifiedPath;
1687 xpsCompatiblePath->transform(matrix, devicePath);
1688 }
1689 HRV(this->addXpsPathGeometry(shadedFigures.get(),
1690 stroke, fill, *devicePath));
1691
1692 HRV(this->clip(shadedPath.get()));
1693
1694 //Add the path to the active visual collection.
1695 SkTScopedComPtr<IXpsOMVisualCollection> currentVisuals;
1696 HRVM(this->fCurrentXpsCanvas->GetVisuals(¤tVisuals),
1697 "Could not get current visuals for shaded path.");
1698 HRVM(currentVisuals->Append(shadedPath.get()),
1699 "Could not add shaded path to current visuals.");
1700 }
1701
clip(IXpsOMVisual * xpsVisual)1702 HRESULT SkXPSDevice::clip(IXpsOMVisual* xpsVisual) {
1703 SkPath clipPath;
1704 // clipPath.addRect(this->cs().bounds(size(*this)));
1705 (void)this->cs().asPath(&clipPath);
1706 return this->clipToPath(xpsVisual, clipPath, XPS_FILL_RULE_EVENODD);
1707 }
clipToPath(IXpsOMVisual * xpsVisual,const SkPath & clipPath,XPS_FILL_RULE fillRule)1708 HRESULT SkXPSDevice::clipToPath(IXpsOMVisual* xpsVisual,
1709 const SkPath& clipPath,
1710 XPS_FILL_RULE fillRule) {
1711 //Create the geometry.
1712 SkTScopedComPtr<IXpsOMGeometry> clipGeometry;
1713 HRM(this->fXpsFactory->CreateGeometry(&clipGeometry),
1714 "Could not create clip geometry.");
1715
1716 //Get the figure collection of the geometry.
1717 SkTScopedComPtr<IXpsOMGeometryFigureCollection> clipFigures;
1718 HRM(clipGeometry->GetFigures(&clipFigures),
1719 "Could not get the clip figures.");
1720
1721 //Create the figures into the geometry.
1722 HR(this->addXpsPathGeometry(
1723 clipFigures.get(),
1724 FALSE, TRUE, clipPath));
1725
1726 HRM(clipGeometry->SetFillRule(fillRule),
1727 "Could not set fill rule.");
1728 HRM(xpsVisual->SetClipGeometryLocal(clipGeometry.get()),
1729 "Could not set clip geometry.");
1730
1731 return S_OK;
1732 }
1733
drawBitmap(const SkBitmap & bitmap,SkScalar x,SkScalar y,const SkPaint & paint)1734 void SkXPSDevice::drawBitmap(const SkBitmap& bitmap,
1735 SkScalar x,
1736 SkScalar y,
1737 const SkPaint& paint) {
1738 if (this->cs().isEmpty(size(*this))) {
1739 return;
1740 }
1741
1742 SkIRect srcRect;
1743 srcRect.set(0, 0, bitmap.width(), bitmap.height());
1744
1745 //Create the new shaded path.
1746 SkTScopedComPtr<IXpsOMPath> shadedPath;
1747 HRVM(this->fXpsFactory->CreatePath(&shadedPath),
1748 "Could not create path for bitmap.");
1749
1750 //Create the shaded geometry.
1751 SkTScopedComPtr<IXpsOMGeometry> shadedGeometry;
1752 HRVM(this->fXpsFactory->CreateGeometry(&shadedGeometry),
1753 "Could not create geometry for bitmap.");
1754
1755 //Add the shaded geometry to the shaded path.
1756 HRVM(shadedPath->SetGeometryLocal(shadedGeometry.get()),
1757 "Could not set the geometry for bitmap.");
1758
1759 //Get the shaded figures from the shaded geometry.
1760 SkTScopedComPtr<IXpsOMGeometryFigureCollection> shadedFigures;
1761 HRVM(shadedGeometry->GetFigures(&shadedFigures),
1762 "Could not get the figures for bitmap.");
1763
1764 SkMatrix transform = SkMatrix::MakeTrans(x, y);
1765 transform.postConcat(this->ctm());
1766
1767 SkTScopedComPtr<IXpsOMMatrixTransform> xpsTransform;
1768 HRV(this->createXpsTransform(transform, &xpsTransform));
1769 if (xpsTransform.get()) {
1770 HRVM(shadedGeometry->SetTransformLocal(xpsTransform.get()),
1771 "Could not set transform for bitmap.");
1772 } else {
1773 //TODO: perspective that bitmap!
1774 }
1775
1776 SkTScopedComPtr<IXpsOMGeometryFigure> rectFigure;
1777 if (xpsTransform.get()) {
1778 const SkShader::TileMode xy[2] = {
1779 SkShader::kClamp_TileMode,
1780 SkShader::kClamp_TileMode,
1781 };
1782 SkTScopedComPtr<IXpsOMTileBrush> xpsImageBrush;
1783 HRV(this->createXpsImageBrush(bitmap,
1784 transform,
1785 xy,
1786 paint.getAlpha(),
1787 &xpsImageBrush));
1788 HRVM(shadedPath->SetFillBrushLocal(xpsImageBrush.get()),
1789 "Could not set bitmap brush.");
1790
1791 const SkRect bitmapRect = SkRect::MakeLTRB(0, 0,
1792 SkIntToScalar(srcRect.width()), SkIntToScalar(srcRect.height()));
1793 HRV(this->createXpsRect(bitmapRect, FALSE, TRUE, &rectFigure));
1794 }
1795 HRVM(shadedFigures->Append(rectFigure.get()),
1796 "Could not add bitmap figure.");
1797
1798 //Get the current visual collection and add the shaded path to it.
1799 SkTScopedComPtr<IXpsOMVisualCollection> currentVisuals;
1800 HRVM(this->fCurrentXpsCanvas->GetVisuals(¤tVisuals),
1801 "Could not get current visuals for bitmap");
1802 HRVM(currentVisuals->Append(shadedPath.get()),
1803 "Could not add bitmap to current visuals.");
1804
1805 HRV(this->clip(shadedPath.get()));
1806 }
1807
drawSprite(const SkBitmap & bitmap,int x,int y,const SkPaint & paint)1808 void SkXPSDevice::drawSprite(const SkBitmap& bitmap, int x, int y, const SkPaint& paint) {
1809 //TODO: override this for XPS
1810 SkDEBUGF("XPS drawSprite not yet implemented.");
1811 }
1812
1813 #if 0
1814
1815 HRESULT SkXPSDevice::CreateTypefaceUse(const SkPaint& paint,
1816 TypefaceUse** typefaceUse) {
1817 SkAutoResolveDefaultTypeface typeface(paint.getTypeface());
1818
1819 //Check cache.
1820 const SkFontID typefaceID = typeface->uniqueID();
1821 if (!this->fTypefaces.empty()) {
1822 TypefaceUse* current = &this->fTypefaces.front();
1823 const TypefaceUse* last = &this->fTypefaces.back();
1824 for (; current <= last; ++current) {
1825 if (current->typefaceId == typefaceID) {
1826 *typefaceUse = current;
1827 return S_OK;
1828 }
1829 }
1830 }
1831
1832 //TODO: create glyph only fonts
1833 //and let the host deal with what kind of font we're looking at.
1834 XPS_FONT_EMBEDDING embedding = XPS_FONT_EMBEDDING_RESTRICTED;
1835
1836 SkTScopedComPtr<IStream> fontStream;
1837 int ttcIndex;
1838 SkStream* fontData = typeface->openStream(&ttcIndex);
1839 //TODO: cannot handle FON fonts.
1840 HRM(SkIStream::CreateFromSkStream(fontData, true, &fontStream),
1841 "Could not create font stream.");
1842
1843 const size_t size =
1844 SK_ARRAY_COUNT(L"/Resources/Fonts/" L_GUID_ID L".odttf");
1845 wchar_t buffer[size];
1846 wchar_t id[GUID_ID_LEN];
1847 HR(this->createId(id, GUID_ID_LEN));
1848 swprintf_s(buffer, size, L"/Resources/Fonts/%s.odttf", id);
1849
1850 SkTScopedComPtr<IOpcPartUri> partUri;
1851 HRM(this->fXpsFactory->CreatePartUri(buffer, &partUri),
1852 "Could not create font resource part uri.");
1853
1854 SkTScopedComPtr<IXpsOMFontResource> xpsFontResource;
1855 HRM(this->fXpsFactory->CreateFontResource(fontStream.get(),
1856 embedding,
1857 partUri.get(),
1858 FALSE,
1859 &xpsFontResource),
1860 "Could not create font resource.");
1861
1862 //TODO: change openStream to return -1 for non-ttc, get rid of this.
1863 uint8_t* data = (uint8_t*)fontData->getMemoryBase();
1864 bool isTTC = (data &&
1865 fontData->getLength() >= sizeof(SkTTCFHeader) &&
1866 ((SkTTCFHeader*)data)->ttcTag == SkTTCFHeader::TAG);
1867
1868 TypefaceUse& newTypefaceUse = this->fTypefaces.push_back();
1869 newTypefaceUse.typefaceId = typefaceID;
1870 newTypefaceUse.ttcIndex = isTTC ? ttcIndex : -1;
1871 newTypefaceUse.fontData = fontData;
1872 newTypefaceUse.xpsFont = xpsFontResource.release();
1873 auto glyphCache =
1874 SkStrikeCache::FindOrCreateStrikeExclusive(
1875 paint, this->surfaceProps(),
1876 SkScalerContextFlags::kNone, SkMatrix::I());
1877 unsigned int glyphCount = glyphCache->getGlyphCount();
1878 newTypefaceUse.glyphsUsed = new SkBitSet(glyphCount);
1879
1880 *typefaceUse = &newTypefaceUse;
1881 return S_OK;
1882 }
1883
1884 HRESULT SkXPSDevice::AddGlyphs(IXpsOMObjectFactory* xpsFactory,
1885 IXpsOMCanvas* canvas,
1886 TypefaceUse* font,
1887 LPCWSTR text,
1888 XPS_GLYPH_INDEX* xpsGlyphs,
1889 UINT32 xpsGlyphsLen,
1890 XPS_POINT *origin,
1891 FLOAT fontSize,
1892 XPS_STYLE_SIMULATION sims,
1893 const SkMatrix& transform,
1894 const SkPaint& paint) {
1895 SkTScopedComPtr<IXpsOMGlyphs> glyphs;
1896 HRM(xpsFactory->CreateGlyphs(font->xpsFont, &glyphs), "Could not create glyphs.");
1897 HRM(glyphs->SetFontFaceIndex(font->ttcIndex), "Could not set glyph font face index.");
1898
1899 //XPS uses affine transformations for everything...
1900 //...except positioning text.
1901 bool useCanvasForClip;
1902 if ((transform.getType() & ~SkMatrix::kTranslate_Mask) == 0) {
1903 origin->x += SkScalarToFLOAT(transform.getTranslateX());
1904 origin->y += SkScalarToFLOAT(transform.getTranslateY());
1905 useCanvasForClip = false;
1906 } else {
1907 SkTScopedComPtr<IXpsOMMatrixTransform> xpsMatrixToUse;
1908 HR(this->createXpsTransform(transform, &xpsMatrixToUse));
1909 if (xpsMatrixToUse.get()) {
1910 HRM(glyphs->SetTransformLocal(xpsMatrixToUse.get()),
1911 "Could not set transform matrix.");
1912 useCanvasForClip = true;
1913 } else {
1914 SkDEBUGFAIL("Attempt to add glyphs in perspective.");
1915 useCanvasForClip = false;
1916 }
1917 }
1918
1919 SkTScopedComPtr<IXpsOMGlyphsEditor> glyphsEditor;
1920 HRM(glyphs->GetGlyphsEditor(&glyphsEditor), "Could not get glyph editor.");
1921
1922 if (text) {
1923 HRM(glyphsEditor->SetUnicodeString(text),
1924 "Could not set unicode string.");
1925 }
1926
1927 if (xpsGlyphs) {
1928 HRM(glyphsEditor->SetGlyphIndices(xpsGlyphsLen, xpsGlyphs),
1929 "Could not set glyphs.");
1930 }
1931
1932 HRM(glyphsEditor->ApplyEdits(), "Could not apply glyph edits.");
1933
1934 SkTScopedComPtr<IXpsOMBrush> xpsFillBrush;
1935 HR(this->createXpsBrush(
1936 paint,
1937 &xpsFillBrush,
1938 useCanvasForClip ? nullptr : &transform));
1939
1940 HRM(glyphs->SetFillBrushLocal(xpsFillBrush.get()),
1941 "Could not set fill brush.");
1942
1943 HRM(glyphs->SetOrigin(origin), "Could not set glyph origin.");
1944
1945 HRM(glyphs->SetFontRenderingEmSize(fontSize),
1946 "Could not set font size.");
1947
1948 HRM(glyphs->SetStyleSimulations(sims),
1949 "Could not set style simulations.");
1950
1951 SkTScopedComPtr<IXpsOMVisualCollection> visuals;
1952 HRM(canvas->GetVisuals(&visuals), "Could not get glyph canvas visuals.");
1953
1954 if (!useCanvasForClip) {
1955 HR(this->clip(glyphs.get()));
1956 HRM(visuals->Append(glyphs.get()), "Could not add glyphs to canvas.");
1957 } else {
1958 SkTScopedComPtr<IXpsOMCanvas> glyphCanvas;
1959 HRM(this->fXpsFactory->CreateCanvas(&glyphCanvas),
1960 "Could not create glyph canvas.");
1961
1962 SkTScopedComPtr<IXpsOMVisualCollection> glyphCanvasVisuals;
1963 HRM(glyphCanvas->GetVisuals(&glyphCanvasVisuals),
1964 "Could not get glyph visuals collection.");
1965
1966 HRM(glyphCanvasVisuals->Append(glyphs.get()),
1967 "Could not add glyphs to page.");
1968 HR(this->clip(glyphCanvas.get()));
1969
1970 HRM(visuals->Append(glyphCanvas.get()),
1971 "Could not add glyph canvas to page.");
1972 }
1973
1974 return S_OK;
1975 }
1976
1977 static int num_glyph_guess(SkTextEncoding encoding, const void* text, size_t byteLength) {
1978 static_assert((int)SkTypeface::kUTF8_Encoding == (int)kUTF8_SkTextEncoding, "");
1979 static_assert((int)SkTypeface::kUTF16_Encoding == (int)kUTF16_SkTextEncoding, "");
1980 static_assert((int)SkTypeface::kUTF32_Encoding == (int)kUTF32_SkTextEncoding, "");
1981 if (encoding == kGlyphID_SkTextEncoding) {
1982 return SkToInt(byteLength / 2);
1983 }
1984 return SkUTFN_CountUnichars((SkTypeface::Encoding)encoding, text, byteLength);
1985 }
1986
1987 static bool text_must_be_pathed(const SkPaint& paint, const SkMatrix& matrix) {
1988 const SkPaint::Style style = paint.getStyle();
1989 return matrix.hasPerspective()
1990 || SkPaint::kStroke_Style == style
1991 || SkPaint::kStrokeAndFill_Style == style
1992 || paint.getMaskFilter()
1993 ;
1994 }
1995
1996 typedef SkTDArray<XPS_GLYPH_INDEX> GlyphRun;
1997
1998 class ProcessOneGlyph {
1999 public:
2000 ProcessOneGlyph(FLOAT centemPerUnit, SkBitSet* glyphUse, GlyphRun* xpsGlyphs)
2001 : fCentemPerUnit(centemPerUnit)
2002 , fGlyphUse(glyphUse)
2003 , fXpsGlyphs(xpsGlyphs) { }
2004
2005 void operator()(const SkGlyph& glyph, SkPoint position, SkPoint) {
2006 SkASSERT(glyph.fWidth > 0 && glyph.fHeight > 0);
2007
2008 SkScalar x = position.fX;
2009 SkScalar y = position.fY;
2010
2011 XPS_GLYPH_INDEX* xpsGlyph = fXpsGlyphs->append();
2012 uint16_t glyphID = glyph.getGlyphID();
2013 fGlyphUse->set(glyphID);
2014 xpsGlyph->index = glyphID;
2015 if (1 == fXpsGlyphs->count()) {
2016 xpsGlyph->advanceWidth = 0.0f;
2017 xpsGlyph->horizontalOffset = SkScalarToFloat(x) * fCentemPerUnit;
2018 xpsGlyph->verticalOffset = SkScalarToFloat(y) * -fCentemPerUnit;
2019 }
2020 else {
2021 const XPS_GLYPH_INDEX& first = (*fXpsGlyphs)[0];
2022 xpsGlyph->advanceWidth = 0.0f;
2023 xpsGlyph->horizontalOffset = (SkScalarToFloat(x) * fCentemPerUnit)
2024 - first.horizontalOffset;
2025 xpsGlyph->verticalOffset = (SkScalarToFloat(y) * -fCentemPerUnit)
2026 - first.verticalOffset;
2027 }
2028 }
2029
2030 private:
2031 /** [in] Advance width and offsets for glyphs measured in
2032 hundredths of the font em size (XPS Spec 5.1.3). */
2033 const FLOAT fCentemPerUnit;
2034 /** [in,out] The accumulated glyphs used in the current typeface. */
2035 SkBitSet* const fGlyphUse;
2036 /** [out] The glyphs to draw. */
2037 GlyphRun* const fXpsGlyphs;
2038 };
2039
2040 void SkXPSDevice::drawPosText(const void* text, size_t byteLen,
2041 const SkScalar pos[], int scalarsPerPos,
2042 const SkPoint& offset, const SkPaint& paint) {
2043 if (byteLen < 1) return;
2044
2045 if (text_must_be_pathed(paint, this->ctm())) {
2046 SkPath path;
2047 //TODO: make this work, Draw currently does not handle as well.
2048 //paint.getTextPath(text, byteLength, x, y, &path);
2049 //this->drawPath(path, paint, nullptr, true);
2050 //TODO: add automation "text"
2051 return;
2052 }
2053
2054 TypefaceUse* typeface;
2055 HRV(CreateTypefaceUse(paint, &typeface));
2056
2057 auto cache =
2058 SkStrikeCache::FindOrCreateStrikeExclusive(
2059 paint, this->surfaceProps(),
2060 SkScalerContextFlags::kNone, SkMatrix::I());
2061
2062 // Advance width and offsets for glyphs measured in hundredths of the font em size
2063 // (XPS Spec 5.1.3).
2064 FLOAT centemPerUnit = 100.0f / SkScalarToFLOAT(paint.getTextSize());
2065 GlyphRun xpsGlyphs;
2066 xpsGlyphs.setReserve(num_glyph_guess(paint.getTextEncoding(),
2067 static_cast<const char*>(text), byteLen));
2068
2069 ProcessOneGlyph processOneGlyph(centemPerUnit, typeface->glyphsUsed, &xpsGlyphs);
2070
2071 SkFindAndPlaceGlyph::ProcessPosText(
2072 paint.getTextEncoding(), static_cast<const char*>(text), byteLen,
2073 offset, SkMatrix::I(), pos, scalarsPerPos, cache.get(), processOneGlyph);
2074
2075 if (xpsGlyphs.count() == 0) {
2076 return;
2077 }
2078
2079 XPS_POINT origin = {
2080 xpsGlyphs[0].horizontalOffset / centemPerUnit,
2081 xpsGlyphs[0].verticalOffset / -centemPerUnit,
2082 };
2083 xpsGlyphs[0].horizontalOffset = 0.0f;
2084 xpsGlyphs[0].verticalOffset = 0.0f;
2085
2086 HRV(AddGlyphs(this->fXpsFactory.get(),
2087 this->fCurrentXpsCanvas.get(),
2088 typeface,
2089 nullptr,
2090 xpsGlyphs.begin(), xpsGlyphs.count(),
2091 &origin,
2092 SkScalarToFLOAT(paint.getTextSize()),
2093 XPS_STYLE_SIMULATION_NONE,
2094 this->ctm(),
2095 paint));
2096 }
2097 #endif
drawDevice(SkBaseDevice * dev,int x,int y,const SkPaint &)2098 void SkXPSDevice::drawDevice( SkBaseDevice* dev,
2099 int x, int y,
2100 const SkPaint&) {
2101 SkXPSDevice* that = static_cast<SkXPSDevice*>(dev);
2102
2103 SkTScopedComPtr<IXpsOMMatrixTransform> xpsTransform;
2104 // TODO(halcanary): assert that current transform is identity rather than calling setter.
2105 XPS_MATRIX rawTransform = {1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f};
2106 HRVM(this->fXpsFactory->CreateMatrixTransform(&rawTransform, &xpsTransform),
2107 "Could not create layer transform.");
2108 HRVM(that->fCurrentXpsCanvas->SetTransformLocal(xpsTransform.get()),
2109 "Could not set layer transform.");
2110
2111 //Get the current visual collection and add the layer to it.
2112 SkTScopedComPtr<IXpsOMVisualCollection> currentVisuals;
2113 HRVM(this->fCurrentXpsCanvas->GetVisuals(¤tVisuals),
2114 "Could not get current visuals for layer.");
2115 HRVM(currentVisuals->Append(that->fCurrentXpsCanvas.get()),
2116 "Could not add layer to current visuals.");
2117 }
2118
onCreateDevice(const CreateInfo & info,const SkPaint *)2119 SkBaseDevice* SkXPSDevice::onCreateDevice(const CreateInfo& info, const SkPaint*) {
2120 //Conditional for bug compatibility with PDF device.
2121 #if 0
2122 if (SkBaseDevice::kGeneral_Usage == info.fUsage) {
2123 return nullptr;
2124 //To what stream do we write?
2125 //SkXPSDevice* dev = new SkXPSDevice(this);
2126 //SkSize s = SkSize::Make(width, height);
2127 //dev->BeginCanvas(s, s, SkMatrix::I());
2128 //return dev;
2129 }
2130 #endif
2131 SkXPSDevice* dev = new SkXPSDevice(info.fInfo.dimensions());
2132 // TODO(halcanary) implement copy constructor on SkTScopedCOmPtr
2133 dev->fXpsFactory.reset(SkRefComPtr(fXpsFactory.get()));
2134 SkAssertResult(dev->createCanvasForLayer());
2135 return dev;
2136 }
2137
drawOval(const SkRect & o,const SkPaint & p)2138 void SkXPSDevice::drawOval( const SkRect& o, const SkPaint& p) {
2139 SkPath path;
2140 path.addOval(o);
2141 this->drawPath(path, p, true);
2142 }
2143
drawBitmapRect(const SkBitmap & bitmap,const SkRect * src,const SkRect & dst,const SkPaint & paint,SkCanvas::SrcRectConstraint constraint)2144 void SkXPSDevice::drawBitmapRect(const SkBitmap& bitmap,
2145 const SkRect* src,
2146 const SkRect& dst,
2147 const SkPaint& paint,
2148 SkCanvas::SrcRectConstraint constraint) {
2149 SkRect bitmapBounds = SkRect::Make(bitmap.bounds());
2150 SkRect srcBounds = src ? *src : bitmapBounds;
2151 SkMatrix matrix = SkMatrix::MakeRectToRect(srcBounds, dst, SkMatrix::kFill_ScaleToFit);
2152 SkRect actualDst;
2153 if (!src || bitmapBounds.contains(*src)) {
2154 actualDst = dst;
2155 } else {
2156 if (!srcBounds.intersect(bitmapBounds)) {
2157 return;
2158 }
2159 matrix.mapRect(&actualDst, srcBounds);
2160 }
2161 auto bitmapShader = SkMakeBitmapShader(bitmap, SkShader::kClamp_TileMode,
2162 SkShader::kClamp_TileMode, &matrix,
2163 kNever_SkCopyPixelsMode);
2164 SkASSERT(bitmapShader);
2165 if (!bitmapShader) { return; }
2166 SkPaint paintWithShader(paint);
2167 paintWithShader.setStyle(SkPaint::kFill_Style);
2168 paintWithShader.setShader(std::move(bitmapShader));
2169 this->drawRect(actualDst, paintWithShader);
2170 }
2171 #endif//defined(SK_BUILD_FOR_WIN)
2172