| /* |
| * 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 "SkBitmap.h" |
| #include "SkCanvas.h" |
| #include "SkColor.h" |
| #include "SkFontDescriptor.h" |
| #include "SkGraphics.h" |
| #include "SkPaint.h" |
| #include "SkPoint.h" |
| #include "SkRect.h" |
| #include "SkStream.h" |
| #include "SkTypeface.h" |
| #include "SkTypes.h" |
| #include "Test.h" |
| |
| static const SkColor bgColor = SK_ColorWHITE; |
| |
| static void create(SkBitmap* bm, SkIRect bound) { |
| bm->allocN32Pixels(bound.width(), bound.height()); |
| } |
| |
| static void drawBG(SkCanvas* canvas) { |
| canvas->drawColor(bgColor); |
| } |
| |
| /** Assumes that the ref draw was completely inside ref canvas -- |
| implies that everything outside is "bgColor". |
| Checks that all overlap is the same and that all non-overlap on the |
| ref is "bgColor". |
| */ |
| static bool compare(const SkBitmap& ref, const SkIRect& iref, |
| const SkBitmap& test, const SkIRect& itest) |
| { |
| const int xOff = itest.fLeft - iref.fLeft; |
| const int yOff = itest.fTop - iref.fTop; |
| |
| for (int y = 0; y < test.height(); ++y) { |
| for (int x = 0; x < test.width(); ++x) { |
| SkColor testColor = test.getColor(x, y); |
| int refX = x + xOff; |
| int refY = y + yOff; |
| SkColor refColor; |
| if (refX >= 0 && refX < ref.width() && |
| refY >= 0 && refY < ref.height()) |
| { |
| refColor = ref.getColor(refX, refY); |
| } else { |
| refColor = bgColor; |
| } |
| if (refColor != testColor) { |
| return false; |
| } |
| } |
| } |
| return true; |
| } |
| |
| DEF_TEST(FontHostStream, reporter) { |
| { |
| SkPaint paint; |
| paint.setColor(SK_ColorGRAY); |
| paint.setTextSize(SkIntToScalar(30)); |
| |
| paint.setTypeface(SkTypeface::MakeFromName("Georgia", SkFontStyle())); |
| |
| SkIRect origRect = SkIRect::MakeWH(64, 64); |
| SkBitmap origBitmap; |
| create(&origBitmap, origRect); |
| SkCanvas origCanvas(origBitmap); |
| |
| SkIRect streamRect = SkIRect::MakeWH(64, 64); |
| SkBitmap streamBitmap; |
| create(&streamBitmap, streamRect); |
| SkCanvas streamCanvas(streamBitmap); |
| |
| SkPoint point = SkPoint::Make(24, 32); |
| |
| // Test: origTypeface and streamTypeface from orig data draw the same |
| drawBG(&origCanvas); |
| origCanvas.drawString("A", point.fX, point.fY, paint); |
| |
| sk_sp<SkTypeface> typeface(paint.getTypeface() ? paint.refTypeface() |
| : SkTypeface::MakeDefault()); |
| int ttcIndex; |
| std::unique_ptr<SkStreamAsset> fontData(typeface->openStream(&ttcIndex)); |
| sk_sp<SkTypeface> streamTypeface(SkTypeface::MakeFromStream(fontData.release())); |
| |
| SkFontDescriptor desc; |
| bool isLocalStream = false; |
| streamTypeface->getFontDescriptor(&desc, &isLocalStream); |
| REPORTER_ASSERT(reporter, isLocalStream); |
| |
| paint.setTypeface(streamTypeface); |
| drawBG(&streamCanvas); |
| streamCanvas.drawPosText("A", 1, &point, paint); |
| |
| REPORTER_ASSERT(reporter, |
| compare(origBitmap, origRect, streamBitmap, streamRect)); |
| } |
| //Make sure the typeface is deleted and removed. |
| SkGraphics::PurgeFontCache(); |
| } |