1 /*
2 * Copyright 2018 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 "include/core/SkPaint.h"
9 #include "include/private/chromium/SkChromeRemoteGlyphCache.h"
10 #include "src/core/SkStrike.h"
11 #include "src/core/SkStrikeCache.h"
12 #include "src/core/SkTraceEvent.h"
13 #include "src/core/SkTypeface_remote.h"
14
SkScalerContextProxy(sk_sp<SkTypeface> tf,const SkScalerContextEffects & effects,const SkDescriptor * desc,sk_sp<SkStrikeClient::DiscardableHandleManager> manager)15 SkScalerContextProxy::SkScalerContextProxy(sk_sp<SkTypeface> tf,
16 const SkScalerContextEffects& effects,
17 const SkDescriptor* desc,
18 sk_sp<SkStrikeClient::DiscardableHandleManager> manager)
19 : SkScalerContext{std::move(tf), effects, desc}
20 , fDiscardableManager{std::move(manager)} {}
21
generateAdvance(SkGlyph * glyph)22 bool SkScalerContextProxy::generateAdvance(SkGlyph* glyph) {
23 return false;
24 }
25
generateMetrics(SkGlyph * glyph,SkArenaAlloc *)26 void SkScalerContextProxy::generateMetrics(SkGlyph* glyph, SkArenaAlloc*) {
27 TRACE_EVENT1("skia", "generateMetrics", "rec", TRACE_STR_COPY(this->getRec().dump().c_str()));
28 if (this->getProxyTypeface()->isLogging()) {
29 SkDebugf("GlyphCacheMiss generateMetrics looking for glyph: %x\n generateMetrics: %s\n",
30 glyph->getPackedID().value(), this->getRec().dump().c_str());
31 }
32
33 glyph->fMaskFormat = fRec.fMaskFormat;
34 glyph->zeroMetrics();
35 fDiscardableManager->notifyCacheMiss(
36 SkStrikeClient::CacheMissType::kGlyphMetrics, fRec.fTextSize);
37 }
38
generateImage(const SkGlyph & glyph)39 void SkScalerContextProxy::generateImage(const SkGlyph& glyph) {
40 TRACE_EVENT1("skia", "generateImage", "rec", TRACE_STR_COPY(this->getRec().dump().c_str()));
41 if (this->getProxyTypeface()->isLogging()) {
42 SkDebugf("GlyphCacheMiss generateImage: %s\n", this->getRec().dump().c_str());
43 }
44
45 // There is no desperation search here, because if there was an image to be found it was
46 // copied over with the metrics search.
47 fDiscardableManager->notifyCacheMiss(
48 SkStrikeClient::CacheMissType::kGlyphImage, fRec.fTextSize);
49 }
50
generatePath(const SkGlyph & glyph,SkPath * path)51 bool SkScalerContextProxy::generatePath(const SkGlyph& glyph, SkPath* path) {
52 TRACE_EVENT1("skia", "generatePath", "rec", TRACE_STR_COPY(this->getRec().dump().c_str()));
53 if (this->getProxyTypeface()->isLogging()) {
54 SkDebugf("GlyphCacheMiss generatePath: %s\n", this->getRec().dump().c_str());
55 }
56
57 fDiscardableManager->notifyCacheMiss(
58 SkStrikeClient::CacheMissType::kGlyphPath, fRec.fTextSize);
59 return false;
60 }
61
generateDrawable(const SkGlyph &)62 sk_sp<SkDrawable> SkScalerContextProxy::generateDrawable(const SkGlyph&) {
63 TRACE_EVENT1("skia", "generateDrawable", "rec", TRACE_STR_COPY(this->getRec().dump().c_str()));
64 if (this->getProxyTypeface()->isLogging()) {
65 SkDebugf("GlyphCacheMiss generateDrawable: %s\n", this->getRec().dump().c_str());
66 }
67
68 fDiscardableManager->notifyCacheMiss(
69 SkStrikeClient::CacheMissType::kGlyphDrawable, fRec.fTextSize);
70 return nullptr;
71 }
72
generateFontMetrics(SkFontMetrics * metrics)73 void SkScalerContextProxy::generateFontMetrics(SkFontMetrics* metrics) {
74 TRACE_EVENT1(
75 "skia", "generateFontMetrics", "rec", TRACE_STR_COPY(this->getRec().dump().c_str()));
76 if (this->getProxyTypeface()->isLogging()) {
77 SkDebugf("GlyphCacheMiss generateFontMetrics: %s\n", this->getRec().dump().c_str());
78 }
79
80 // Font metrics aren't really used for render, so just zero out the data and return.
81 fDiscardableManager->notifyCacheMiss(
82 SkStrikeClient::CacheMissType::kFontMetrics, fRec.fTextSize);
83 sk_bzero(metrics, sizeof(*metrics));
84 }
85
getProxyTypeface() const86 SkTypefaceProxy* SkScalerContextProxy::getProxyTypeface() const {
87 return (SkTypefaceProxy*)this->getTypeface();
88 }
89