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 "src/core/SkRemoteGlyphCache.h"
10 #include "src/core/SkScalerCache.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)26 void SkScalerContextProxy::generateMetrics(SkGlyph* glyph) {
27 TRACE_EVENT1("skia", "generateMetrics", "rec", TRACE_STR_COPY(this->getRec().dump().c_str()));
28 if (this->getProxyTypeface()->isLogging()) {
29 SkDebugf("GlyphCacheMiss generateMetrics: %s\n", this->getRec().dump().c_str());
30 }
31
32 glyph->fMaskFormat = fRec.fMaskFormat;
33 glyph->zeroMetrics();
34 fDiscardableManager->notifyCacheMiss(
35 SkStrikeClient::CacheMissType::kGlyphMetrics, fRec.fTextSize);
36 }
37
generateImage(const SkGlyph & glyph)38 void SkScalerContextProxy::generateImage(const SkGlyph& glyph) {
39 TRACE_EVENT1("skia", "generateImage", "rec", TRACE_STR_COPY(this->getRec().dump().c_str()));
40 if (this->getProxyTypeface()->isLogging()) {
41 SkDebugf("GlyphCacheMiss generateImage: %s\n", this->getRec().dump().c_str());
42 }
43
44 // There is no desperation search here, because if there was an image to be found it was
45 // copied over with the metrics search.
46 fDiscardableManager->notifyCacheMiss(
47 SkStrikeClient::CacheMissType::kGlyphImage, fRec.fTextSize);
48 }
49
generatePath(SkGlyphID glyphID,SkPath * path)50 bool SkScalerContextProxy::generatePath(SkGlyphID glyphID, SkPath* path) {
51 TRACE_EVENT1("skia", "generatePath", "rec", TRACE_STR_COPY(this->getRec().dump().c_str()));
52 if (this->getProxyTypeface()->isLogging()) {
53 SkDebugf("GlyphCacheMiss generatePath: %s\n", this->getRec().dump().c_str());
54 }
55
56 fDiscardableManager->notifyCacheMiss(
57 SkStrikeClient::CacheMissType::kGlyphPath, fRec.fTextSize);
58 return false;
59 }
60
generateFontMetrics(SkFontMetrics * metrics)61 void SkScalerContextProxy::generateFontMetrics(SkFontMetrics* metrics) {
62 TRACE_EVENT1(
63 "skia", "generateFontMetrics", "rec", TRACE_STR_COPY(this->getRec().dump().c_str()));
64 if (this->getProxyTypeface()->isLogging()) {
65 SkDebugf("GlyphCacheMiss generateFontMetrics: %s\n", this->getRec().dump().c_str());
66 }
67
68 // Font metrics aren't really used for render, so just zero out the data and return.
69 fDiscardableManager->notifyCacheMiss(
70 SkStrikeClient::CacheMissType::kFontMetrics, fRec.fTextSize);
71 sk_bzero(metrics, sizeof(*metrics));
72 }
73
getProxyTypeface() const74 SkTypefaceProxy* SkScalerContextProxy::getProxyTypeface() const {
75 return (SkTypefaceProxy*)this->getTypeface();
76 }
77