| /* |
| * Copyright 2011 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| #include "gm.h" |
| #include "SkTypeface.h" |
| |
| namespace skiagm { |
| |
| static const struct { |
| const char* fName; |
| SkTypeface::Style fStyle; |
| } gFaces[] = { |
| { NULL, SkTypeface::kNormal }, |
| { NULL, SkTypeface::kBold }, |
| { "serif", SkTypeface::kNormal }, |
| { "serif", SkTypeface::kBold }, |
| { "serif", SkTypeface::kItalic }, |
| { "serif", SkTypeface::kBoldItalic }, |
| { "monospace", SkTypeface::kNormal } |
| }; |
| |
| static const int gFaceCount = SK_ARRAY_COUNT(gFaces); |
| |
| class FontScalerGM : public GM { |
| public: |
| FontScalerGM() { |
| this->setBGColor(0xFFFFFFFF); |
| |
| for (int i = 0; i < gFaceCount; i++) { |
| fFaces[i] = SkTypeface::CreateFromName(gFaces[i].fName, |
| gFaces[i].fStyle); |
| } |
| } |
| |
| virtual ~FontScalerGM() { |
| for (int i = 0; i < gFaceCount; i++) { |
| SkSafeUnref(fFaces[i]); |
| } |
| } |
| |
| protected: |
| virtual SkString onShortName() { |
| return SkString("fontscaler"); |
| } |
| |
| virtual SkISize onISize() { |
| return make_isize(1450, 750); |
| } |
| |
| static void rotate_about(SkCanvas* canvas, SkScalar degrees, SkScalar px, SkScalar py) { |
| canvas->translate(px, py); |
| canvas->rotate(degrees); |
| canvas->translate(-px, -py); |
| } |
| |
| virtual void onDraw(SkCanvas* canvas) { |
| SkPaint paint; |
| |
| // test handling of obscene cubic values (currently broken) |
| if (false) { |
| SkPoint pts[4]; |
| pts[0].set(1.61061274e+09f, 6291456); |
| pts[1].set(-7.18397061e+15f, -1.53091184e+13f); |
| pts[2].set(-1.30077315e+16f, -2.77196141e+13f); |
| pts[3].set(-1.30077315e+16f, -2.77196162e+13f); |
| |
| SkPath path; |
| path.moveTo(pts[0]); |
| path.cubicTo(pts[1], pts[2], pts[3]); |
| canvas->drawPath(path, paint); |
| } |
| |
| paint.setAntiAlias(true); |
| paint.setLCDRenderText(true); |
| //With freetype the default (normal hinting) can be really ugly. |
| //Most distros now set slight (vertical hinting only) in any event. |
| paint.setHinting(SkPaint::kSlight_Hinting); |
| SkSafeUnref(paint.setTypeface(SkTypeface::CreateFromName("Times Roman", SkTypeface::kNormal))); |
| |
| // const char* text = "abcdefghijklmnopqrstuvwxyz"; |
| const char* text = "Hamburgefons ooo mmm"; |
| const size_t textLen = strlen(text); |
| |
| for (int j = 0; j < 2; ++j) { |
| for (int i = 0; i < 6; ++i) { |
| SkScalar x = SkIntToScalar(10); |
| SkScalar y = SkIntToScalar(20); |
| |
| SkAutoCanvasRestore acr(canvas, true); |
| canvas->translate(SkIntToScalar(50 + i * 230), |
| SkIntToScalar(20)); |
| rotate_about(canvas, SkIntToScalar(i * 5), x, y * 10); |
| |
| { |
| SkPaint p; |
| p.setAntiAlias(true); |
| SkRect r; |
| r.set(x-3, 15, x-1, 280); |
| canvas->drawRect(r, p); |
| } |
| |
| int index = 0; |
| for (int ps = 6; ps <= 22; ps++) { |
| paint.setTextSize(SkIntToScalar(ps)); |
| canvas->drawText(text, textLen, x, y, paint); |
| y += paint.getFontMetrics(NULL); |
| index += 1; |
| } |
| } |
| canvas->translate(0, 360); |
| paint.setSubpixelText(true); |
| } |
| } |
| |
| private: |
| SkTypeface* fFaces[gFaceCount]; |
| typedef GM INHERITED; |
| }; |
| |
| ////////////////////////////////////////////////////////////////////////////// |
| |
| static GM* MyFactory(void*) { return new FontScalerGM; } |
| static GMRegistry reg(MyFactory); |
| |
| } |
| |