add matcher to fontstyleset
Review URL: https://codereview.chromium.org/13312002
git-svn-id: http://skia.googlecode.com/svn/trunk@8444 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/gm/fontmgr.cpp b/gm/fontmgr.cpp
index 8cb77c6..b0d9291 100644
--- a/gm/fontmgr.cpp
+++ b/gm/fontmgr.cpp
@@ -28,7 +28,7 @@
protected:
virtual SkString onShortName() {
- return SkString("fontmgr");
+ return SkString("fontmgr_iter");
}
virtual SkISize onISize() {
@@ -53,6 +53,7 @@
(void)drawString(canvas, fname, 20, y, paint);
SkScalar x = 220;
+
SkAutoTUnref<SkFontStyleSet> set(fm->createStyleSet(i));
for (int j = 0; j < set->count(); ++j) {
SkString sname;
@@ -76,6 +77,102 @@
typedef GM INHERITED;
};
+class FontMgrMatchGM : public skiagm::GM {
+ SkAutoTUnref<SkFontMgr> fFM;
+
+public:
+ FontMgrMatchGM() : fFM(SkFontMgr::RefDefault()) {
+ SkGraphics::SetFontCacheLimit(16 * 1024 * 1024);
+ }
+
+protected:
+ virtual SkString onShortName() {
+ return SkString("fontmgr_match");
+ }
+
+ virtual SkISize onISize() {
+ return SkISize::Make(640, 1024);
+ }
+
+ void iterateFamily(SkCanvas* canvas, const SkPaint& paint,
+ SkFontStyleSet* fset) {
+ SkPaint p(paint);
+ SkScalar y = 0;
+
+ for (int j = 0; j < fset->count(); ++j) {
+ SkString sname;
+ SkFontStyle fs;
+ fset->getStyle(j, &fs, &sname);
+
+ sname.appendf(" [%d %d]", fs.weight(), fs.width());
+
+ SkSafeUnref(p.setTypeface(fset->createTypeface(j)));
+ (void)drawString(canvas, sname, 0, y, p);
+ y += 24;
+ }
+ }
+
+ void exploreFamily(SkCanvas* canvas, const SkPaint& paint,
+ SkFontStyleSet* fset) {
+ SkPaint p(paint);
+ SkScalar y = 0;
+
+ for (int weight = 100; weight <= 900; weight += 200) {
+ for (int width = 1; width <= 9; width += 2) {
+ SkFontStyle fs(weight, width, SkFontStyle::kUpright_Slant);
+ SkTypeface* face = fset->matchStyle(fs);
+ if (face) {
+ SkString str;
+ str.printf("request [%d %d]", fs.weight(), fs.width());
+ p.setTypeface(face)->unref();
+ (void)drawString(canvas, str, 0, y, p);
+ y += 24;
+ }
+ }
+ }
+ }
+
+ virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
+ SkPaint paint;
+ paint.setAntiAlias(true);
+ paint.setLCDRenderText(true);
+ paint.setSubpixelText(true);
+ paint.setTextSize(17);
+
+ static const char* gNames[] = {
+ "Helvetica Neue", "Arial"
+ };
+
+ SkFontStyleSet* fset = NULL;
+ for (size_t i = 0; i < SK_ARRAY_COUNT(gNames); ++i) {
+ fset = fFM->matchFamily(gNames[i]);
+ if (fset && fset->count() > 0) {
+ break;
+ }
+ }
+
+ if (NULL == fset) {
+ return;
+ }
+ SkAutoUnref aur(fset);
+
+ canvas->translate(20, 40);
+ this->exploreFamily(canvas, paint, fset);
+ canvas->translate(150, 0);
+ this->iterateFamily(canvas, paint, fset);
+ }
+
+ virtual uint32_t onGetFlags() const SK_OVERRIDE {
+ // fontdescriptors (and therefore serialization) don't yet understand
+ // these new styles, so skip tests that exercise that for now.
+ return kSkipPicture_Flag | kSkipPipe_Flag;
+ }
+
+private:
+ typedef GM INHERITED;
+};
+
//////////////////////////////////////////////////////////////////////////////
DEF_GM( return SkNEW(FontMgrGM); )
+DEF_GM( return SkNEW(FontMgrMatchGM); )