1 // Copyright 2014 The PDFium Authors
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
6
7 #include "xfa/fwl/theme/cfwl_checkboxtp.h"
8
9 #include <math.h>
10
11 #include <iterator>
12
13 #include "core/fxge/cfx_path.h"
14 #include "xfa/fde/cfde_textout.h"
15 #include "xfa/fgas/graphics/cfgas_gecolor.h"
16 #include "xfa/fgas/graphics/cfgas_gegraphics.h"
17 #include "xfa/fgas/graphics/cfgas_gepath.h"
18 #include "xfa/fwl/cfwl_checkbox.h"
19 #include "xfa/fwl/cfwl_themebackground.h"
20 #include "xfa/fwl/cfwl_themetext.h"
21 #include "xfa/fwl/cfwl_widget.h"
22
23 namespace {
24
25 constexpr int kSignPath = 100;
26
ScaleBezierPoint(const CFX_PointF & point)27 CFX_PointF ScaleBezierPoint(const CFX_PointF& point) {
28 CFX_PointF scaled_point(point);
29 scaled_point.x *= FXSYS_BEZIER;
30 scaled_point.y *= FXSYS_BEZIER;
31 return scaled_point;
32 }
33
34 } // namespace
35
36 CFWL_CheckBoxTP::CFWL_CheckBoxTP() = default;
37
38 CFWL_CheckBoxTP::~CFWL_CheckBoxTP() = default;
39
DrawText(const CFWL_ThemeText & pParams)40 void CFWL_CheckBoxTP::DrawText(const CFWL_ThemeText& pParams) {
41 EnsureTTOInitialized(pParams.GetWidget()->GetThemeProvider());
42 m_pTextOut->SetTextColor(pParams.m_dwStates & CFWL_PartState::kDisabled
43 ? FWLTHEME_CAPACITY_TextDisColor
44 : FWLTHEME_CAPACITY_TextColor);
45 CFWL_WidgetTP::DrawText(pParams);
46 }
47
DrawSignCheck(CFGAS_GEGraphics * pGraphics,const CFX_RectF & rtSign,FX_ARGB argbFill,const CFX_Matrix & matrix)48 void CFWL_CheckBoxTP::DrawSignCheck(CFGAS_GEGraphics* pGraphics,
49 const CFX_RectF& rtSign,
50 FX_ARGB argbFill,
51 const CFX_Matrix& matrix) {
52 EnsureCheckPathInitialized(rtSign.width);
53 DCHECK(m_pCheckPath);
54
55 CFX_Matrix mt;
56 mt.Translate(rtSign.left, rtSign.top);
57 mt.Concat(matrix);
58
59 CFGAS_GEGraphics::StateRestorer restorer(pGraphics);
60 pGraphics->SetFillColor(CFGAS_GEColor(argbFill));
61 pGraphics->FillPath(*m_pCheckPath, CFX_FillRenderOptions::FillType::kWinding,
62 mt);
63 }
64
DrawSignCircle(CFGAS_GEGraphics * pGraphics,const CFX_RectF & rtSign,FX_ARGB argbFill,const CFX_Matrix & matrix)65 void CFWL_CheckBoxTP::DrawSignCircle(CFGAS_GEGraphics* pGraphics,
66 const CFX_RectF& rtSign,
67 FX_ARGB argbFill,
68 const CFX_Matrix& matrix) {
69 CFGAS_GEPath path;
70 path.AddEllipse(rtSign);
71
72 CFGAS_GEGraphics::StateRestorer restorer(pGraphics);
73 pGraphics->SetFillColor(CFGAS_GEColor(argbFill));
74 pGraphics->FillPath(path, CFX_FillRenderOptions::FillType::kWinding, matrix);
75 }
76
DrawSignCross(CFGAS_GEGraphics * pGraphics,const CFX_RectF & rtSign,FX_ARGB argbFill,const CFX_Matrix & matrix)77 void CFWL_CheckBoxTP::DrawSignCross(CFGAS_GEGraphics* pGraphics,
78 const CFX_RectF& rtSign,
79 FX_ARGB argbFill,
80 const CFX_Matrix& matrix) {
81 CFGAS_GEPath path;
82 const float fRight = rtSign.right();
83 const float fBottom = rtSign.bottom();
84 path.AddLine(rtSign.TopLeft(), CFX_PointF(fRight, fBottom));
85 path.AddLine(CFX_PointF(rtSign.left, fBottom),
86 CFX_PointF(fRight, rtSign.top));
87
88 CFGAS_GEGraphics::StateRestorer restorer(pGraphics);
89 pGraphics->SetStrokeColor(CFGAS_GEColor(argbFill));
90 pGraphics->SetLineWidth(1.0f);
91 pGraphics->StrokePath(path, matrix);
92 }
93
DrawSignDiamond(CFGAS_GEGraphics * pGraphics,const CFX_RectF & rtSign,FX_ARGB argbFill,const CFX_Matrix & matrix)94 void CFWL_CheckBoxTP::DrawSignDiamond(CFGAS_GEGraphics* pGraphics,
95 const CFX_RectF& rtSign,
96 FX_ARGB argbFill,
97 const CFX_Matrix& matrix) {
98 CFGAS_GEPath path;
99 const float fWidth = rtSign.width;
100 const float fHeight = rtSign.height;
101 const float fBottom = rtSign.bottom();
102 path.MoveTo(CFX_PointF(rtSign.left + fWidth / 2, rtSign.top));
103 path.LineTo(CFX_PointF(rtSign.left, rtSign.top + fHeight / 2));
104 path.LineTo(CFX_PointF(rtSign.left + fWidth / 2, fBottom));
105 path.LineTo(CFX_PointF(rtSign.right(), rtSign.top + fHeight / 2));
106 path.LineTo(CFX_PointF(rtSign.left + fWidth / 2, rtSign.top));
107
108 CFGAS_GEGraphics::StateRestorer restorer(pGraphics);
109 pGraphics->SetFillColor(CFGAS_GEColor(argbFill));
110 pGraphics->FillPath(path, CFX_FillRenderOptions::FillType::kWinding, matrix);
111 }
112
DrawSignSquare(CFGAS_GEGraphics * pGraphics,const CFX_RectF & rtSign,FX_ARGB argbFill,const CFX_Matrix & matrix)113 void CFWL_CheckBoxTP::DrawSignSquare(CFGAS_GEGraphics* pGraphics,
114 const CFX_RectF& rtSign,
115 FX_ARGB argbFill,
116 const CFX_Matrix& matrix) {
117 CFGAS_GEPath path;
118 path.AddRectangle(rtSign.left, rtSign.top, rtSign.width, rtSign.height);
119
120 CFGAS_GEGraphics::StateRestorer restorer(pGraphics);
121 pGraphics->SetFillColor(CFGAS_GEColor(argbFill));
122 pGraphics->FillPath(path, CFX_FillRenderOptions::FillType::kWinding, matrix);
123 }
124
DrawSignStar(CFGAS_GEGraphics * pGraphics,const CFX_RectF & rtSign,FX_ARGB argbFill,const CFX_Matrix & matrix)125 void CFWL_CheckBoxTP::DrawSignStar(CFGAS_GEGraphics* pGraphics,
126 const CFX_RectF& rtSign,
127 FX_ARGB argbFill,
128 const CFX_Matrix& matrix) {
129 CFGAS_GEPath path;
130 float fBottom = rtSign.bottom();
131 float fRadius = (rtSign.top - fBottom) / (1 + cosf(FXSYS_PI / 5.0f));
132 CFX_PointF ptCenter((rtSign.left + rtSign.right()) / 2.0f,
133 (rtSign.top + fBottom) / 2.0f);
134
135 CFX_PointF points[5];
136 float fAngle = FXSYS_PI / 10.0f;
137 for (auto& point : points) {
138 point =
139 ptCenter + CFX_PointF(fRadius * cosf(fAngle), fRadius * sinf(fAngle));
140 fAngle += FXSYS_PI * 2 / 5.0f;
141 }
142
143 path.MoveTo(points[0]);
144 int next = 0;
145 for (size_t i = 0; i < std::size(points); ++i) {
146 next = (next + 2) % std::size(points);
147 path.LineTo(points[next]);
148 }
149
150 CFGAS_GEGraphics::StateRestorer restorer(pGraphics);
151 pGraphics->SetFillColor(CFGAS_GEColor(argbFill));
152 pGraphics->FillPath(path, CFX_FillRenderOptions::FillType::kWinding, matrix);
153 }
154
EnsureCheckPathInitialized(float fCheckLen)155 void CFWL_CheckBoxTP::EnsureCheckPathInitialized(float fCheckLen) {
156 if (m_pCheckPath)
157 return;
158
159 m_pCheckPath = std::make_unique<CFGAS_GEPath>();
160
161 float fWidth = kSignPath;
162 float fHeight = -kSignPath;
163 float fBottom = kSignPath;
164 CFX_PointF pt1(fWidth / 15.0f, fBottom + fHeight * 2 / 5.0f);
165 CFX_PointF pt2(fWidth / 4.5f, fBottom + fHeight / 16.0f);
166 CFX_PointF pt3(fWidth / 3.0f, fBottom);
167 CFX_PointF pt4(fWidth * 14 / 15.0f, fBottom + fHeight * 15 / 16.0f);
168 CFX_PointF pt5(fWidth / 3.6f, fBottom + fHeight / 3.5f);
169 CFX_PointF pt12(fWidth / 7.0f, fBottom + fHeight * 2 / 7.0f);
170 CFX_PointF pt21(fWidth / 5.0f, fBottom + fHeight / 5.0f);
171 CFX_PointF pt23(fWidth / 4.4f, fBottom + fHeight * 0 / 16.0f);
172 CFX_PointF pt32(fWidth / 4.0f, fBottom);
173 CFX_PointF pt34(fWidth * (1 / 7.0f + 7 / 15.0f),
174 fBottom + fHeight * 4 / 5.0f);
175 CFX_PointF pt43(fWidth * (1 / 7.0f + 7 / 15.0f),
176 fBottom + fHeight * 4 / 5.0f);
177 CFX_PointF pt45(fWidth * 7 / 15.0f, fBottom + fHeight * 8 / 7.0f);
178 CFX_PointF pt54(fWidth / 3.4f, fBottom + fHeight / 3.5f);
179 CFX_PointF pt51(fWidth / 3.6f, fBottom + fHeight / 4.0f);
180 CFX_PointF pt15(fWidth / 3.5f, fBottom + fHeight * 3.5f / 5.0f);
181 m_pCheckPath->MoveTo(pt1);
182
183 CFX_PointF p1 = ScaleBezierPoint(pt12 - pt1);
184 CFX_PointF p2 = ScaleBezierPoint(pt21 - pt2);
185 m_pCheckPath->BezierTo(pt1 + p1, pt2 + p2, pt2);
186
187 p1 = ScaleBezierPoint(pt23 - pt2);
188 p2 = ScaleBezierPoint(pt32 - pt3);
189 m_pCheckPath->BezierTo(pt2 + p1, pt3 + p2, pt3);
190
191 p1 = ScaleBezierPoint(pt34 - pt3);
192 p2 = ScaleBezierPoint(pt43 - pt4);
193 m_pCheckPath->BezierTo(pt3 + p1, pt4 + p2, pt4);
194
195 p1 = ScaleBezierPoint(pt45 - pt4);
196 p2 = ScaleBezierPoint(pt54 - pt5);
197 m_pCheckPath->BezierTo(pt4 + p1, pt5 + p2, pt5);
198
199 p1 = ScaleBezierPoint(pt51 - pt5);
200 p2 = ScaleBezierPoint(pt15 - pt1);
201 m_pCheckPath->BezierTo(pt5 + p1, pt1 + p2, pt1);
202
203 float fScale = fCheckLen / kSignPath;
204 CFX_Matrix mt;
205 mt.Scale(fScale, fScale);
206 m_pCheckPath->TransformBy(mt);
207 }
208
DrawBackground(const CFWL_ThemeBackground & pParams)209 void CFWL_CheckBoxTP::DrawBackground(const CFWL_ThemeBackground& pParams) {
210 if (pParams.GetPart() != CFWL_ThemePart::Part::kCheckBox)
211 return;
212
213 if ((pParams.m_dwStates & CFWL_PartState::kChecked) ||
214 (pParams.m_dwStates & CFWL_PartState::kNeutral)) {
215 DrawCheckSign(pParams.GetWidget(), pParams.GetGraphics(),
216 pParams.m_PartRect, pParams.m_dwStates, pParams.m_matrix);
217 }
218 }
219
DrawCheckSign(CFWL_Widget * pWidget,CFGAS_GEGraphics * pGraphics,const CFX_RectF & pRtBox,Mask<CFWL_PartState> iState,const CFX_Matrix & matrix)220 void CFWL_CheckBoxTP::DrawCheckSign(CFWL_Widget* pWidget,
221 CFGAS_GEGraphics* pGraphics,
222 const CFX_RectF& pRtBox,
223 Mask<CFWL_PartState> iState,
224 const CFX_Matrix& matrix) {
225 CFX_RectF rtSign(pRtBox);
226 uint32_t dwColor =
227 iState & CFWL_PartState::kNeutral ? 0xFFA9A9A9 : 0xFF000000;
228 uint32_t dwStyle = pWidget->GetStyleExts();
229 rtSign.Deflate(rtSign.width / 4, rtSign.height / 4);
230 switch (dwStyle & FWL_STYLEEXT_CKB_SignShapeMask) {
231 case FWL_STYLEEXT_CKB_SignShapeCheck:
232 DrawSignCheck(pGraphics, rtSign, dwColor, matrix);
233 break;
234 case FWL_STYLEEXT_CKB_SignShapeCircle:
235 DrawSignCircle(pGraphics, rtSign, dwColor, matrix);
236 break;
237 case FWL_STYLEEXT_CKB_SignShapeCross:
238 DrawSignCross(pGraphics, rtSign, dwColor, matrix);
239 break;
240 case FWL_STYLEEXT_CKB_SignShapeDiamond:
241 DrawSignDiamond(pGraphics, rtSign, dwColor, matrix);
242 break;
243 case FWL_STYLEEXT_CKB_SignShapeSquare:
244 DrawSignSquare(pGraphics, rtSign, dwColor, matrix);
245 break;
246 case FWL_STYLEEXT_CKB_SignShapeStar:
247 DrawSignStar(pGraphics, rtSign, dwColor, matrix);
248 break;
249 default:
250 break;
251 }
252 }
253