diff options
Diffstat (limited to 'core/fxge/skia/fx_skia_device_unittest.cpp')
| -rw-r--r-- | core/fxge/skia/fx_skia_device_unittest.cpp | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/core/fxge/skia/fx_skia_device_unittest.cpp b/core/fxge/skia/fx_skia_device_unittest.cpp new file mode 100644 index 0000000000..eb7559b5e2 --- /dev/null +++ b/core/fxge/skia/fx_skia_device_unittest.cpp @@ -0,0 +1,164 @@ +// Copyright 2016 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +#include "core/fxge/include/fx_ge.h" +#include "core/fxge/skia/fx_skia_device.h" +#include "fpdfsdk/include/fsdk_define.h" +#include "public/fpdfview.h" +#include "testing/fx_string_testhelpers.h" +#include "testing/gtest/include/gtest/gtest.h" +#include "third_party/skia/include/core/SkPictureRecorder.h" + +namespace { + +struct State { + enum class Change { kNo, kYes }; + enum class Save { kNo, kYes }; + enum class Clip { kNo, kSame, kDifferentPath, kDifferentMatrix }; + enum class Graphic { kNone, kPath, kText }; + + Change m_change; + Save m_save; + Clip m_clip; + Graphic m_graphic; + uint32_t m_pixel; +}; + +void EmptyTest(CFX_SkiaDeviceDriver* driver, const State&) { + driver->SaveState(); + driver->RestoreState(true); + driver->RestoreState(false); +} + +void CommonTest(CFX_SkiaDeviceDriver* driver, const State& state) { + FXTEXT_CHARPOS charPos[] = {1, 0, 1, 4, false, {0, 0, 0, 0}, false}; + CFX_Font font; + FX_FLOAT fontSize = 1; + CFX_FontCache cache; + CFX_PathData clipPath, clipPath2; + clipPath.AppendRect(0, 0, 3, 1); + clipPath2.AppendRect(0, 0, 2, 1); + CFX_Matrix clipMatrix; + CFX_Matrix clipMatrix2(1, 0, 0, 1, 0, 1); + driver->SaveState(); + CFX_PathData path1; + path1.AppendRect(0, 0, 1, 2); + CFX_Matrix matrix, matrix2; + matrix2.Translate(1, 0); + CFX_GraphStateData graphState; + if (state.m_save == State::Save::kYes) + driver->SaveState(); + if (state.m_clip != State::Clip::kNo) + driver->SetClip_PathFill(&clipPath, &clipMatrix, 0); + if (state.m_graphic == State::Graphic::kPath) { + driver->DrawPath(&path1, &matrix, &graphState, 0xFF112233, 0, + FXFILL_WINDING, 0); + } else if (state.m_graphic == State::Graphic::kText) { + driver->DrawDeviceText(SK_ARRAY_COUNT(charPos), charPos, &font, &cache, + &matrix, fontSize, 0xFF445566); + } + if (state.m_save == State::Save::kYes) + driver->RestoreState(true); + CFX_PathData path2; + path2.AppendRect(0, 0, 2, 2); + if (state.m_change == State::Change::kYes) { + if (state.m_graphic == State::Graphic::kPath) + graphState.m_LineCap = CFX_GraphStateData::LineCapRound; + else if (state.m_graphic == State::Graphic::kText) + fontSize = 2; + } + if (state.m_clip == State::Clip::kSame) + driver->SetClip_PathFill(&clipPath, &clipMatrix, 0); + else if (state.m_clip == State::Clip::kDifferentPath) + driver->SetClip_PathFill(&clipPath2, &clipMatrix, 0); + else if (state.m_clip == State::Clip::kDifferentMatrix) + driver->SetClip_PathFill(&clipPath, &clipMatrix2, 0); + if (state.m_graphic == State::Graphic::kPath) { + driver->DrawPath(&path2, &matrix2, &graphState, 0xFF112233, 0, + FXFILL_WINDING, 0); + } else if (state.m_graphic == State::Graphic::kText) { + driver->DrawDeviceText(SK_ARRAY_COUNT(charPos), charPos, &font, &cache, + &matrix2, fontSize, 0xFF445566); + } + if (state.m_save == State::Save::kYes) + driver->RestoreState(false); + driver->RestoreState(false); +} + +void OutOfSequenceClipTest(CFX_SkiaDeviceDriver* driver, const State&) { + CFX_PathData clipPath; + clipPath.AppendRect(1, 0, 3, 1); + CFX_Matrix clipMatrix; + driver->SaveState(); + driver->SetClip_PathFill(&clipPath, &clipMatrix, 0); + driver->RestoreState(true); + driver->SaveState(); + driver->SetClip_PathFill(&clipPath, &clipMatrix, 0); + driver->RestoreState(false); + driver->RestoreState(false); + + driver->SaveState(); + driver->SaveState(); + driver->SetClip_PathFill(&clipPath, &clipMatrix, 0); + driver->RestoreState(true); + driver->SetClip_PathFill(&clipPath, &clipMatrix, 0); + driver->RestoreState(false); + driver->RestoreState(false); +} + +void Harness(void (*Test)(CFX_SkiaDeviceDriver*, const State&), + const State& state) { + int h = 1; + int w = 4; + FPDF_BITMAP bitmap = FPDFBitmap_Create(w, h, 1); + EXPECT_NE(nullptr, bitmap); + if (!bitmap) + return; + FPDFBitmap_FillRect(bitmap, 0, 0, w, h, 0x00000000); + CFX_FxgeDevice geDevice; + CFX_DIBitmap* pBitmap = CFXBitmapFromFPDFBitmap(bitmap); + geDevice.Attach(pBitmap, false, nullptr, false); + CFX_SkiaDeviceDriver* driver = + static_cast<CFX_SkiaDeviceDriver*>(geDevice.GetDeviceDriver()); + (*Test)(driver, state); + driver->Flush(); + uint32_t pixel = pBitmap->GetPixel(0, 0); + EXPECT_EQ(state.m_pixel, pixel); +#ifdef SK_DEBUG + if (!driver) // force dump to be linked in so it can be called from debugger + driver->Dump(); +#endif +} + +} // namespace + +TEST(fxge, SkiaStateEmpty) { + Harness(&EmptyTest, {}); +} + +TEST(fxge, SkiaStatePath) { + Harness(&CommonTest, {State::Change::kNo, State::Save::kYes, + State::Clip::kSame, State::Graphic::kPath, 0xFF112233}); + Harness(&CommonTest, + {State::Change::kNo, State::Save::kYes, State::Clip::kDifferentPath, + State::Graphic::kPath, 0xFF112233}); + Harness(&CommonTest, {State::Change::kNo, State::Save::kYes, State::Clip::kNo, + State::Graphic::kPath, 0xFF112233}); + Harness(&CommonTest, {State::Change::kYes, State::Save::kNo, State::Clip::kNo, + State::Graphic::kPath, 0xFF112233}); + Harness(&CommonTest, {State::Change::kNo, State::Save::kNo, State::Clip::kNo, + State::Graphic::kPath, 0xFF112233}); +} + +TEST(fxge, SkiaStateText) { + Harness(&CommonTest, + {State::Change::kNo, State::Save::kYes, State::Clip::kDifferentMatrix, + State::Graphic::kText, 0xFF445566}); + Harness(&CommonTest, {State::Change::kNo, State::Save::kYes, + State::Clip::kSame, State::Graphic::kText, 0xFF445566}); +} + +TEST(fxge, SkiaStateOOSClip) { + Harness(&OutOfSequenceClipTest, {}); +} |