blob: 439d07bab8e5a534845e99a4363460cd8abbb6c2 [file] [log] [blame]
// Copyright 2014 The PDFium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
#include "xfa/fwl/theme/cfwl_checkboxtp.h"
#include <math.h>
#include <iterator>
#include "core/fxge/cfx_path.h"
#include "xfa/fde/cfde_textout.h"
#include "xfa/fgas/graphics/cfgas_gecolor.h"
#include "xfa/fgas/graphics/cfgas_gegraphics.h"
#include "xfa/fgas/graphics/cfgas_gepath.h"
#include "xfa/fwl/cfwl_checkbox.h"
#include "xfa/fwl/cfwl_themebackground.h"
#include "xfa/fwl/cfwl_themetext.h"
#include "xfa/fwl/cfwl_widget.h"
namespace {
constexpr int kSignPath = 100;
CFX_PointF ScaleBezierPoint(const CFX_PointF& point) {
CFX_PointF scaled_point(point);
scaled_point.x *= FXSYS_BEZIER;
scaled_point.y *= FXSYS_BEZIER;
return scaled_point;
}
} // namespace
CFWL_CheckBoxTP::CFWL_CheckBoxTP() = default;
CFWL_CheckBoxTP::~CFWL_CheckBoxTP() = default;
void CFWL_CheckBoxTP::DrawText(const CFWL_ThemeText& pParams) {
EnsureTTOInitialized(pParams.GetWidget()->GetThemeProvider());
m_pTextOut->SetTextColor(pParams.m_dwStates & CFWL_PartState::kDisabled
? FWLTHEME_CAPACITY_TextDisColor
: FWLTHEME_CAPACITY_TextColor);
CFWL_WidgetTP::DrawText(pParams);
}
void CFWL_CheckBoxTP::DrawSignCheck(CFGAS_GEGraphics* pGraphics,
const CFX_RectF& rtSign,
FX_ARGB argbFill,
const CFX_Matrix& matrix) {
EnsureCheckPathInitialized(rtSign.width);
DCHECK(m_pCheckPath);
CFX_Matrix mt;
mt.Translate(rtSign.left, rtSign.top);
mt.Concat(matrix);
CFGAS_GEGraphics::StateRestorer restorer(pGraphics);
pGraphics->SetFillColor(CFGAS_GEColor(argbFill));
pGraphics->FillPath(*m_pCheckPath, CFX_FillRenderOptions::FillType::kWinding,
mt);
}
void CFWL_CheckBoxTP::DrawSignCircle(CFGAS_GEGraphics* pGraphics,
const CFX_RectF& rtSign,
FX_ARGB argbFill,
const CFX_Matrix& matrix) {
CFGAS_GEPath path;
path.AddEllipse(rtSign);
CFGAS_GEGraphics::StateRestorer restorer(pGraphics);
pGraphics->SetFillColor(CFGAS_GEColor(argbFill));
pGraphics->FillPath(path, CFX_FillRenderOptions::FillType::kWinding, matrix);
}
void CFWL_CheckBoxTP::DrawSignCross(CFGAS_GEGraphics* pGraphics,
const CFX_RectF& rtSign,
FX_ARGB argbFill,
const CFX_Matrix& matrix) {
CFGAS_GEPath path;
const float fRight = rtSign.right();
const float fBottom = rtSign.bottom();
path.AddLine(rtSign.TopLeft(), CFX_PointF(fRight, fBottom));
path.AddLine(CFX_PointF(rtSign.left, fBottom),
CFX_PointF(fRight, rtSign.top));
CFGAS_GEGraphics::StateRestorer restorer(pGraphics);
pGraphics->SetStrokeColor(CFGAS_GEColor(argbFill));
pGraphics->SetLineWidth(1.0f);
pGraphics->StrokePath(path, matrix);
}
void CFWL_CheckBoxTP::DrawSignDiamond(CFGAS_GEGraphics* pGraphics,
const CFX_RectF& rtSign,
FX_ARGB argbFill,
const CFX_Matrix& matrix) {
CFGAS_GEPath path;
const float fWidth = rtSign.width;
const float fHeight = rtSign.height;
const float fBottom = rtSign.bottom();
path.MoveTo(CFX_PointF(rtSign.left + fWidth / 2, rtSign.top));
path.LineTo(CFX_PointF(rtSign.left, rtSign.top + fHeight / 2));
path.LineTo(CFX_PointF(rtSign.left + fWidth / 2, fBottom));
path.LineTo(CFX_PointF(rtSign.right(), rtSign.top + fHeight / 2));
path.LineTo(CFX_PointF(rtSign.left + fWidth / 2, rtSign.top));
CFGAS_GEGraphics::StateRestorer restorer(pGraphics);
pGraphics->SetFillColor(CFGAS_GEColor(argbFill));
pGraphics->FillPath(path, CFX_FillRenderOptions::FillType::kWinding, matrix);
}
void CFWL_CheckBoxTP::DrawSignSquare(CFGAS_GEGraphics* pGraphics,
const CFX_RectF& rtSign,
FX_ARGB argbFill,
const CFX_Matrix& matrix) {
CFGAS_GEPath path;
path.AddRectangle(rtSign.left, rtSign.top, rtSign.width, rtSign.height);
CFGAS_GEGraphics::StateRestorer restorer(pGraphics);
pGraphics->SetFillColor(CFGAS_GEColor(argbFill));
pGraphics->FillPath(path, CFX_FillRenderOptions::FillType::kWinding, matrix);
}
void CFWL_CheckBoxTP::DrawSignStar(CFGAS_GEGraphics* pGraphics,
const CFX_RectF& rtSign,
FX_ARGB argbFill,
const CFX_Matrix& matrix) {
CFGAS_GEPath path;
float fBottom = rtSign.bottom();
float fRadius = (rtSign.top - fBottom) / (1 + cosf(FXSYS_PI / 5.0f));
CFX_PointF ptCenter((rtSign.left + rtSign.right()) / 2.0f,
(rtSign.top + fBottom) / 2.0f);
CFX_PointF points[5];
float fAngle = FXSYS_PI / 10.0f;
for (auto& point : points) {
point =
ptCenter + CFX_PointF(fRadius * cosf(fAngle), fRadius * sinf(fAngle));
fAngle += FXSYS_PI * 2 / 5.0f;
}
path.MoveTo(points[0]);
int next = 0;
for (size_t i = 0; i < std::size(points); ++i) {
next = (next + 2) % std::size(points);
path.LineTo(points[next]);
}
CFGAS_GEGraphics::StateRestorer restorer(pGraphics);
pGraphics->SetFillColor(CFGAS_GEColor(argbFill));
pGraphics->FillPath(path, CFX_FillRenderOptions::FillType::kWinding, matrix);
}
void CFWL_CheckBoxTP::EnsureCheckPathInitialized(float fCheckLen) {
if (m_pCheckPath)
return;
m_pCheckPath = std::make_unique<CFGAS_GEPath>();
float fWidth = kSignPath;
float fHeight = -kSignPath;
float fBottom = kSignPath;
CFX_PointF pt1(fWidth / 15.0f, fBottom + fHeight * 2 / 5.0f);
CFX_PointF pt2(fWidth / 4.5f, fBottom + fHeight / 16.0f);
CFX_PointF pt3(fWidth / 3.0f, fBottom);
CFX_PointF pt4(fWidth * 14 / 15.0f, fBottom + fHeight * 15 / 16.0f);
CFX_PointF pt5(fWidth / 3.6f, fBottom + fHeight / 3.5f);
CFX_PointF pt12(fWidth / 7.0f, fBottom + fHeight * 2 / 7.0f);
CFX_PointF pt21(fWidth / 5.0f, fBottom + fHeight / 5.0f);
CFX_PointF pt23(fWidth / 4.4f, fBottom + fHeight * 0 / 16.0f);
CFX_PointF pt32(fWidth / 4.0f, fBottom);
CFX_PointF pt34(fWidth * (1 / 7.0f + 7 / 15.0f),
fBottom + fHeight * 4 / 5.0f);
CFX_PointF pt43(fWidth * (1 / 7.0f + 7 / 15.0f),
fBottom + fHeight * 4 / 5.0f);
CFX_PointF pt45(fWidth * 7 / 15.0f, fBottom + fHeight * 8 / 7.0f);
CFX_PointF pt54(fWidth / 3.4f, fBottom + fHeight / 3.5f);
CFX_PointF pt51(fWidth / 3.6f, fBottom + fHeight / 4.0f);
CFX_PointF pt15(fWidth / 3.5f, fBottom + fHeight * 3.5f / 5.0f);
m_pCheckPath->MoveTo(pt1);
CFX_PointF p1 = ScaleBezierPoint(pt12 - pt1);
CFX_PointF p2 = ScaleBezierPoint(pt21 - pt2);
m_pCheckPath->BezierTo(pt1 + p1, pt2 + p2, pt2);
p1 = ScaleBezierPoint(pt23 - pt2);
p2 = ScaleBezierPoint(pt32 - pt3);
m_pCheckPath->BezierTo(pt2 + p1, pt3 + p2, pt3);
p1 = ScaleBezierPoint(pt34 - pt3);
p2 = ScaleBezierPoint(pt43 - pt4);
m_pCheckPath->BezierTo(pt3 + p1, pt4 + p2, pt4);
p1 = ScaleBezierPoint(pt45 - pt4);
p2 = ScaleBezierPoint(pt54 - pt5);
m_pCheckPath->BezierTo(pt4 + p1, pt5 + p2, pt5);
p1 = ScaleBezierPoint(pt51 - pt5);
p2 = ScaleBezierPoint(pt15 - pt1);
m_pCheckPath->BezierTo(pt5 + p1, pt1 + p2, pt1);
float fScale = fCheckLen / kSignPath;
CFX_Matrix mt;
mt.Scale(fScale, fScale);
m_pCheckPath->TransformBy(mt);
}
void CFWL_CheckBoxTP::DrawBackground(const CFWL_ThemeBackground& pParams) {
if (pParams.GetPart() != CFWL_ThemePart::Part::kCheckBox)
return;
if ((pParams.m_dwStates & CFWL_PartState::kChecked) ||
(pParams.m_dwStates & CFWL_PartState::kNeutral)) {
DrawCheckSign(pParams.GetWidget(), pParams.GetGraphics(),
pParams.m_PartRect, pParams.m_dwStates, pParams.m_matrix);
}
}
void CFWL_CheckBoxTP::DrawCheckSign(CFWL_Widget* pWidget,
CFGAS_GEGraphics* pGraphics,
const CFX_RectF& pRtBox,
Mask<CFWL_PartState> iState,
const CFX_Matrix& matrix) {
CFX_RectF rtSign(pRtBox);
uint32_t dwColor =
iState & CFWL_PartState::kNeutral ? 0xFFA9A9A9 : 0xFF000000;
uint32_t dwStyle = pWidget->GetStyleExts();
rtSign.Deflate(rtSign.width / 4, rtSign.height / 4);
switch (dwStyle & FWL_STYLEEXT_CKB_SignShapeMask) {
case FWL_STYLEEXT_CKB_SignShapeCheck:
DrawSignCheck(pGraphics, rtSign, dwColor, matrix);
break;
case FWL_STYLEEXT_CKB_SignShapeCircle:
DrawSignCircle(pGraphics, rtSign, dwColor, matrix);
break;
case FWL_STYLEEXT_CKB_SignShapeCross:
DrawSignCross(pGraphics, rtSign, dwColor, matrix);
break;
case FWL_STYLEEXT_CKB_SignShapeDiamond:
DrawSignDiamond(pGraphics, rtSign, dwColor, matrix);
break;
case FWL_STYLEEXT_CKB_SignShapeSquare:
DrawSignSquare(pGraphics, rtSign, dwColor, matrix);
break;
case FWL_STYLEEXT_CKB_SignShapeStar:
DrawSignStar(pGraphics, rtSign, dwColor, matrix);
break;
default:
break;
}
}