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Diffstat (limited to 'tests/FontHostStreamTest.cpp')
-rw-r--r-- | tests/FontHostStreamTest.cpp | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/tests/FontHostStreamTest.cpp b/tests/FontHostStreamTest.cpp new file mode 100644 index 0000000000..b1c49f83ab --- /dev/null +++ b/tests/FontHostStreamTest.cpp @@ -0,0 +1,109 @@ +/* + * 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 "SkTypes.h" + +#include "Test.h" +#include "SkBitmap.h" +#include "SkCanvas.h" +#include "SkColor.h" +#include "SkFontHost.h" +#include "SkGraphics.h" +#include "SkPaint.h" +#include "SkPoint.h" +#include "SkRect.h" +#include "SkTypeface.h" + +/////////////////////////////////////////////////////////////////////////////// + +static const SkColor bgColor = SK_ColorWHITE; + +static void create(SkBitmap* bm, SkIRect bound, SkBitmap::Config config) { + bm->setConfig(config, bound.width(), bound.height()); + bm->allocPixels(); +} + +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; + + SkAutoLockPixels alpRef(ref); + SkAutoLockPixels alpTest(test); + + 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; +} + +static void test_fontHostStream(skiatest::Reporter* reporter) { + + { + SkPaint paint; + paint.setColor(SK_ColorGRAY); + paint.setTextSize(SkIntToScalar(30)); + + paint.setTypeface(SkTypeface::CreateFromName("Georgia", SkTypeface::kNormal))->unref(); + + SkIRect origRect = SkIRect::MakeWH(64, 64); + SkBitmap origBitmap; + create(&origBitmap, origRect, SkBitmap::kARGB_8888_Config); + SkCanvas origCanvas(origBitmap); + + SkIRect streamRect = SkIRect::MakeWH(64, 64); + SkBitmap streamBitmap; + create(&streamBitmap, streamRect, SkBitmap::kARGB_8888_Config); + SkCanvas streamCanvas(streamBitmap); + + SkPoint point = SkPoint::Make(24, 32); + + // Test: origTypeface and streamTypeface from orig data draw the same + drawBG(&origCanvas); + origCanvas.drawText("A", 1, point.fX, point.fY, paint); + + SkTypeface* origTypeface = paint.getTypeface(); + const SkFontID typefaceID = SkTypeface::UniqueID(origTypeface); + SkStream* fontData = SkFontHost::OpenStream(typefaceID); + SkTypeface* streamTypeface = SkTypeface::CreateFromStream(fontData); + paint.setTypeface(streamTypeface)->unref(); + 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(); +} + +#include "TestClassDef.h" +DEFINE_TESTCLASS("FontHost::CreateTypefaceFromStream", FontHostStreamTestClass, test_fontHostStream) |