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Private Member Functions | List of all members
FontMgrGM Class Reference
Inheritance diagram for FontMgrGM:
skiagm::GM

Private Member Functions

void onOnceBeforeDraw () override
 
SkString getName () const override
 
SkISize getISize () override
 
DrawResult onDraw (SkCanvas *canvas, SkString *errorMsg) override
 

Additional Inherited Members

- Public Types inherited from skiagm::GM
enum  Mode { kGM_Mode , kSample_Mode , kBench_Mode }
 
using DrawResult = skiagm::DrawResult
 
using GraphiteTestContext = skiatest::graphite::GraphiteTestContext
 
- Public Member Functions inherited from skiagm::GM
 GM (SkColor backgroundColor=SK_ColorWHITE)
 
virtual ~GM ()
 
void setMode (Mode mode)
 
Mode getMode () const
 
DrawResult gpuSetup (SkCanvas *, SkString *errorMsg, GraphiteTestContext *=nullptr)
 
void gpuTeardown ()
 
void onceBeforeDraw ()
 
DrawResult draw (SkCanvas *canvas)
 
DrawResult draw (SkCanvas *, SkString *errorMsg)
 
void drawBackground (SkCanvas *)
 
DrawResult drawContent (SkCanvas *canvas)
 
DrawResult drawContent (SkCanvas *, SkString *errorMsg)
 
virtual bool runAsBench () const
 
SkScalar width ()
 
SkScalar height ()
 
SkColor getBGColor () const
 
void setBGColor (SkColor)
 
void drawSizeBounds (SkCanvas *, SkColor)
 
bool animate (double)
 
virtual bool onChar (SkUnichar)
 
bool getControls (SkMetaData *controls)
 
void setControls (const SkMetaData &controls)
 
virtual void modifyGrContextOptions (GrContextOptions *)
 
virtual void modifyGraphiteContextOptions (skgpu::graphite::ContextOptions *) const
 
virtual bool isBazelOnly () const
 
virtual std::map< std::string, std::string > getGoldKeys () const
 
- Static Public Attributes inherited from skiagm::GM
static constexpr char kErrorMsg_DrawSkippedGpuOnly []
 
- Protected Member Functions inherited from skiagm::GM
virtual DrawResult onGpuSetup (SkCanvas *, SkString *, GraphiteTestContext *)
 
virtual void onGpuTeardown ()
 
virtual void onDraw (SkCanvas *)
 
virtual bool onAnimate (double)
 
virtual bool onGetControls (SkMetaData *)
 
virtual void onSetControls (const SkMetaData &)
 
GraphiteTestContext * graphiteTestContext () const
 

Detailed Description

Definition at line 74 of file fontmgr.cpp.

Member Function Documentation

◆ getISize()

SkISize FontMgrGM::getISize ( )
inlineoverrideprivatevirtual

Implements skiagm::GM.

Definition at line 84 of file fontmgr.cpp.

84{ return {1536, 768}; }

◆ getName()

SkString FontMgrGM::getName ( ) const
inlineoverrideprivatevirtual

Implements skiagm::GM.

Definition at line 82 of file fontmgr.cpp.

82{ return SkString("fontmgr_iter"); }

◆ onDraw()

DrawResult FontMgrGM::onDraw ( SkCanvas *  canvas,
SkString *  errorMsg 
)
inlineoverrideprivatevirtual

Reimplemented from skiagm::GM.

Definition at line 86 of file fontmgr.cpp.

86 {
87 SkScalar y = 20;
88 SkFont font = ToolUtils::DefaultFont();
89 font.setEdging(SkFont::Edging::kSubpixelAntiAlias);
90 font.setSubpixel(true);
91 font.setSize(17);
92
93 SkFontMgr* fm = fFM.get();
94 int count = std::min(fm->countFamilies(), MAX_FAMILIES);
95 if (count == 0) {
96 *errorMsg = "No families in SkFontMgr";
97 return DrawResult::kSkip;
98 }
99
100 for (int i = 0; i < count; ++i) {
101 SkString familyName;
102 fm->getFamilyName(i, &familyName);
103 font.setTypeface(ToolUtils::DefaultTypeface());
104 (void)drawString(canvas, familyName, 20, y, font);
105
106 SkScalar x = 220;
107
108 sk_sp<SkFontStyleSet> set(fm->createStyleSet(i));
109 for (int j = 0; j < set->count(); ++j) {
110 SkString sname;
111 SkFontStyle fs;
112 set->getStyle(j, &fs, &sname);
113 sname.appendf(" [%d %d %d]", fs.weight(), fs.width(), fs.slant());
114
115 font.setTypeface(sk_sp<SkTypeface>(set->createTypeface(j)));
116 x = drawString(canvas, sname, x, y, font) + 20;
117
118 // check to see that we get different glyphs in japanese and chinese
119 x = drawCharacter(canvas, 0x5203, x, y, font, fm, familyName.c_str(), &zh, 1, fs);
120 x = drawCharacter(canvas, 0x5203, x, y, font, fm, familyName.c_str(), &ja, 1, fs);
121 // check that emoji characters are found
122 x = drawCharacter(canvas, 0x1f601, x, y, font, fm, familyName.c_str(), nullptr,0, fs);
123 }
124 y += 24;
125 }
126 return DrawResult::kOk;
127 }
count
int count
Definition FontMgrTest.cpp:50
SkFontMgr::createStyleSet
sk_sp< SkFontStyleSet > createStyleSet(int index) const
Definition SkFontMgr.cpp:101
SkFontMgr::getFamilyName
void getFamilyName(int index, SkString *familyName) const
Definition SkFontMgr.cpp:97
SkFontMgr::countFamilies
int countFamilies() const
Definition SkFontMgr.cpp:93
SkFontStyle::slant
Slant slant() const
Definition SkFontStyle.h:64
SkFontStyle::width
int width() const
Definition SkFontStyle.h:63
SkFontStyle::weight
int weight() const
Definition SkFontStyle.h:62
SkFont::Edging::kSubpixelAntiAlias
@ kSubpixelAntiAlias
glyph positioned in pixel using transparency
SkString::c_str
const char * c_str() const
Definition SkString.h:133
SkString::appendf
void void void appendf(const char format[],...) SK_PRINTF_LIKE(2
Definition SkString.cpp:550
sk_sp
Definition SkRefCnt.h:220
sk_sp::get
T * get() const
Definition SkRefCnt.h:303
SkScalar
float SkScalar
Definition extension.cpp:12
drawString
static SkScalar drawString(SkCanvas *canvas, const SkString &text, SkScalar x, SkScalar y, const SkFont &font)
Definition fontmgr.cpp:39
drawCharacter
static SkScalar drawCharacter(SkCanvas *canvas, uint32_t character, SkScalar x, SkScalar y, const SkFont &origFont, SkFontMgr *fm, const char *fontName, const char *bcp47[], int bcp47Count, const SkFontStyle &fontStyle)
Definition fontmgr.cpp:45
MAX_FAMILIES
#define MAX_FAMILIES
Definition fontmgr.cpp:37
ja
static const char * ja
Definition fontmgr.cpp:72
zh
static const char * zh
Definition fontmgr.cpp:71
y
double y
Definition mouse-input-test.cc:83
x
double x
Definition mouse-input-test.cc:82
ToolUtils::DefaultFont
SkFont DefaultFont()
Definition FontToolUtils.cpp:323
ToolUtils::DefaultTypeface
sk_sp< SkTypeface > DefaultTypeface()
Definition FontToolUtils.cpp:303
flutter::set
DEF_SWITCHES_START aot vmservice shared library Name of the *so containing AOT compiled Dart assets for launching the service isolate vm snapshot The VM snapshot data that will be memory mapped as read only SnapshotAssetPath must be present isolate snapshot The isolate snapshot data that will be memory mapped as read only SnapshotAssetPath must be present cache dir Path to the cache directory This is different from the persistent_cache_path in embedder which is used for Skia shader cache icu native lib Path to the library file that exports the ICU data vm service The hostname IP address on which the Dart VM Service should be served If not set
Definition switches.h:76
gen_test_font.font
font
Font Metadata and Metrics.
Definition gen_test_font.py:26

◆ onOnceBeforeDraw()

void FontMgrGM::onOnceBeforeDraw ( )
inlineoverrideprivatevirtual

Reimplemented from skiagm::GM.

Definition at line 77 of file fontmgr.cpp.

77 {
78 SkGraphics::SetFontCacheLimit(16 * 1024 * 1024);
79 fFM = ToolUtils::TestFontMgr();
80 }
SkGraphics::SetFontCacheLimit
static size_t SetFontCacheLimit(size_t bytes)
Definition SkGraphics.cpp:52
ToolUtils::TestFontMgr
sk_sp< SkFontMgr > TestFontMgr()
Definition FontToolUtils.cpp:247
The documentation for this class was generated from the following file:
Generated on Fri Apr 26 2024 06:19:22 for Flutter Engine by doxygen 1.9.8