| // Copyright 2016 The PDFium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "core/fxge/skia/fx_skia_device.h" |
| |
| #include <memory> |
| |
| #include "core/fxge/cfx_defaultrenderdevice.h" |
| #include "core/fxge/cfx_fillrenderoptions.h" |
| #include "core/fxge/cfx_font.h" |
| #include "core/fxge/cfx_graphstatedata.h" |
| #include "core/fxge/cfx_path.h" |
| #include "core/fxge/cfx_renderdevice.h" |
| #include "core/fxge/cfx_textrenderoptions.h" |
| #include "core/fxge/text_char_pos.h" |
| #include "fpdfsdk/cpdfsdk_helpers.h" |
| #include "public/cpp/fpdf_scopers.h" |
| #include "public/fpdfview.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) { |
| TextCharPos charPos[1]; |
| charPos[0].m_Origin = CFX_PointF(0, 1); |
| charPos[0].m_GlyphIndex = 1; |
| charPos[0].m_FontCharWidth = 4; |
| |
| CFX_Font font; |
| float fontSize = 1; |
| CFX_Path clipPath; |
| CFX_Path 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_Path path1; |
| path1.AppendRect(0, 0, 1, 2); |
| |
| CFX_Matrix matrix; |
| CFX_Matrix matrix2; |
| matrix2.Translate(1, 0); |
| CFX_GraphStateData graphState; |
| static constexpr CFX_TextRenderOptions kTextOptions; |
| if (state.m_save == State::Save::kYes) |
| driver->SaveState(); |
| if (state.m_clip != State::Clip::kNo) |
| driver->SetClip_PathFill(clipPath, &clipMatrix, CFX_FillRenderOptions()); |
| if (state.m_graphic == State::Graphic::kPath) { |
| driver->DrawPath(path1, &matrix, &graphState, 0xFF112233, 0, |
| CFX_FillRenderOptions::WindingOptions(), |
| BlendMode::kNormal); |
| } else if (state.m_graphic == State::Graphic::kText) { |
| driver->DrawDeviceText(charPos, &font, matrix, fontSize, 0xFF445566, |
| kTextOptions); |
| } |
| if (state.m_save == State::Save::kYes) |
| driver->RestoreState(true); |
| CFX_Path 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::LineCap::kRound; |
| else if (state.m_graphic == State::Graphic::kText) |
| fontSize = 2; |
| } |
| if (state.m_clip == State::Clip::kSame) |
| driver->SetClip_PathFill(clipPath, &clipMatrix, CFX_FillRenderOptions()); |
| else if (state.m_clip == State::Clip::kDifferentPath) |
| driver->SetClip_PathFill(clipPath2, &clipMatrix, CFX_FillRenderOptions()); |
| else if (state.m_clip == State::Clip::kDifferentMatrix) |
| driver->SetClip_PathFill(clipPath, &clipMatrix2, CFX_FillRenderOptions()); |
| if (state.m_graphic == State::Graphic::kPath) { |
| driver->DrawPath(path2, &matrix2, &graphState, 0xFF112233, 0, |
| CFX_FillRenderOptions::WindingOptions(), |
| BlendMode::kNormal); |
| } else if (state.m_graphic == State::Graphic::kText) { |
| driver->DrawDeviceText(charPos, &font, matrix2, fontSize, 0xFF445566, |
| kTextOptions); |
| } |
| if (state.m_save == State::Save::kYes) |
| driver->RestoreState(false); |
| driver->RestoreState(false); |
| } |
| |
| void OutOfSequenceClipTest(CFX_SkiaDeviceDriver* driver, const State&) { |
| CFX_Path clipPath; |
| clipPath.AppendRect(1, 0, 3, 1); |
| CFX_Matrix clipMatrix; |
| driver->SaveState(); |
| driver->SetClip_PathFill(clipPath, &clipMatrix, CFX_FillRenderOptions()); |
| driver->RestoreState(true); |
| driver->SaveState(); |
| driver->SetClip_PathFill(clipPath, &clipMatrix, CFX_FillRenderOptions()); |
| driver->RestoreState(false); |
| driver->RestoreState(false); |
| |
| driver->SaveState(); |
| driver->SaveState(); |
| driver->SetClip_PathFill(clipPath, &clipMatrix, CFX_FillRenderOptions()); |
| driver->RestoreState(true); |
| driver->SetClip_PathFill(clipPath, &clipMatrix, CFX_FillRenderOptions()); |
| driver->RestoreState(false); |
| driver->RestoreState(false); |
| } |
| |
| void Harness(void (*Test)(CFX_SkiaDeviceDriver*, const State&), |
| const State& state) { |
| constexpr int kWidth = 4; |
| constexpr int kHeight = 1; |
| ScopedFPDFBitmap bitmap(FPDFBitmap_Create(kWidth, kHeight, 1)); |
| ASSERT_TRUE(bitmap); |
| FPDFBitmap_FillRect(bitmap.get(), 0, 0, kWidth, kHeight, 0x00000000); |
| RetainPtr<CFX_DIBitmap> pBitmap(CFXDIBitmapFromFPDFBitmap(bitmap.get())); |
| auto driver = CFX_SkiaDeviceDriver::Create(pBitmap, false, nullptr, false); |
| ASSERT_TRUE(driver); |
| (*Test)(driver.get(), state); |
| uint32_t pixel = pBitmap->GetPixel(0, 0); |
| EXPECT_EQ(state.m_pixel, pixel); |
| } |
| |
| } // namespace |
| |
| TEST(fxge, SkiaStateEmpty) { |
| if (!CFX_DefaultRenderDevice::SkiaIsDefaultRenderer()) |
| return; |
| Harness(&EmptyTest, {}); |
| } |
| |
| TEST(fxge, SkiaStatePath) { |
| if (!CFX_DefaultRenderDevice::SkiaIsDefaultRenderer()) |
| return; |
| 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}); |
| } |
| |
| // TODO(crbug.com/pdfium/11): Fix this test and enable. |
| TEST(fxge, DISABLED_SkiaStateText) { |
| if (!CFX_DefaultRenderDevice::SkiaIsDefaultRenderer()) |
| return; |
| |
| 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) { |
| if (!CFX_DefaultRenderDevice::SkiaIsDefaultRenderer()) |
| return; |
| Harness(&OutOfSequenceClipTest, {}); |
| } |