1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
|
// 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/cfx_fxgedevice.h"
#include "core/fxge/cfx_graphstatedata.h"
#include "core/fxge/cfx_pathdata.h"
#include "core/fxge/cfx_renderdevice.h"
#include "core/fxge/skia/fx_skia_device.h"
#include "fpdfsdk/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[] = {{{0, 0, 0, 0}, 0, 1, 1, 4, false, false}};
CFX_Font font;
FX_FLOAT fontSize = 1;
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, &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, &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, {});
}
|
