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// Copyright 2014 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.
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
#include "xfa/fwl/theme/cfwl_scrollbartp.h"
#include "xfa/fwl/cfwl_scrollbar.h"
#include "xfa/fwl/cfwl_themebackground.h"
#include "xfa/fwl/cfwl_widget.h"
#include "xfa/fwl/ifwl_themeprovider.h"
#include "xfa/fxgraphics/cxfa_gecolor.h"
#include "xfa/fxgraphics/cxfa_gepath.h"
namespace {
const float kPawLength = 12.5f;
} // namespace
CFWL_ScrollBarTP::CFWL_ScrollBarTP() : m_pThemeData(new SBThemeData) {
SetThemeData();
}
CFWL_ScrollBarTP::~CFWL_ScrollBarTP() {}
void CFWL_ScrollBarTP::DrawBackground(CFWL_ThemeBackground* pParams) {
if (!pParams)
return;
CFWL_Widget* pWidget = pParams->m_pWidget;
FWLTHEME_STATE eState = FWLTHEME_STATE_Normal;
if (pParams->m_dwStates & CFWL_PartState_Hovered)
eState = FWLTHEME_STATE_Hover;
else if (pParams->m_dwStates & CFWL_PartState_Pressed)
eState = FWLTHEME_STATE_Pressed;
else if (pParams->m_dwStates & CFWL_PartState_Disabled)
eState = FWLTHEME_STATE_Disable;
CXFA_Graphics* pGraphics = pParams->m_pGraphics;
CFX_RectF* pRect = &pParams->m_rtPart;
bool bVert = !!pWidget->GetStylesEx();
switch (pParams->m_iPart) {
case CFWL_Part::ForeArrow: {
DrawMaxMinBtn(pGraphics, pRect,
bVert ? FWLTHEME_DIRECTION_Up : FWLTHEME_DIRECTION_Left,
eState, &pParams->m_matrix);
break;
}
case CFWL_Part::BackArrow: {
DrawMaxMinBtn(pGraphics, pRect,
bVert ? FWLTHEME_DIRECTION_Down : FWLTHEME_DIRECTION_Right,
eState, &pParams->m_matrix);
break;
}
case CFWL_Part::Thumb: {
DrawThumbBtn(pGraphics, pRect, bVert, eState, true, &pParams->m_matrix);
break;
}
case CFWL_Part::LowerTrack: {
DrawTrack(pGraphics, pRect, bVert, eState, true, &pParams->m_matrix);
break;
}
case CFWL_Part::UpperTrack: {
DrawTrack(pGraphics, pRect, bVert, eState, false, &pParams->m_matrix);
break;
}
default:
break;
}
}
void CFWL_ScrollBarTP::DrawThumbBtn(CXFA_Graphics* pGraphics,
const CFX_RectF* pRect,
bool bVert,
FWLTHEME_STATE eState,
bool bPawButton,
CFX_Matrix* pMatrix) {
if (eState < FWLTHEME_STATE_Normal || eState > FWLTHEME_STATE_Disable)
return;
CFX_RectF rect(*pRect);
if (bVert)
rect.Deflate(1, 0);
else
rect.Deflate(0, 1);
if (rect.IsEmpty(0.1f))
return;
FillSolidRect(pGraphics, m_pThemeData->clrBtnBK[eState - 1][1], &rect,
pMatrix);
pGraphics->SaveGraphState();
CXFA_GEPath path;
path.AddRectangle(rect.left, rect.top, rect.width, rect.height);
pGraphics->SetStrokeColor(
CXFA_GEColor(m_pThemeData->clrBtnBorder[eState - 1]));
pGraphics->StrokePath(&path, pMatrix);
pGraphics->RestoreGraphState();
}
void CFWL_ScrollBarTP::DrawPaw(CXFA_Graphics* pGraphics,
const CFX_RectF* pRect,
bool bVert,
FWLTHEME_STATE eState,
CFX_Matrix* pMatrix) {
CXFA_GEPath path;
if (bVert) {
float fPawLen = kPawLength;
if (pRect->width / 2 <= fPawLen) {
fPawLen = (pRect->width - 6) / 2;
}
float fX = pRect->left + pRect->width / 4;
float fY = pRect->top + pRect->height / 2;
path.MoveTo(CFX_PointF(fX, fY - 4));
path.LineTo(CFX_PointF(fX + fPawLen, fY - 4));
path.MoveTo(CFX_PointF(fX, fY - 2));
path.LineTo(CFX_PointF(fX + fPawLen, fY - 2));
path.MoveTo(CFX_PointF(fX, fY));
path.LineTo(CFX_PointF(fX + fPawLen, fY));
path.MoveTo(CFX_PointF(fX, fY + 2));
path.LineTo(CFX_PointF(fX + fPawLen, fY + 2));
pGraphics->SetLineWidth(1);
pGraphics->SetStrokeColor(
CXFA_GEColor(m_pThemeData->clrPawColorLight[eState - 1]));
pGraphics->StrokePath(&path, nullptr);
fX++;
path.Clear();
path.MoveTo(CFX_PointF(fX, fY - 3));
path.LineTo(CFX_PointF(fX + fPawLen, fY - 3));
path.MoveTo(CFX_PointF(fX, fY - 1));
path.LineTo(CFX_PointF(fX + fPawLen, fY - 1));
path.MoveTo(CFX_PointF(fX, fY + 1));
path.LineTo(CFX_PointF(fX + fPawLen, fY + 1));
path.MoveTo(CFX_PointF(fX, fY + 3));
path.LineTo(CFX_PointF(fX + fPawLen, fY + 3));
pGraphics->SetLineWidth(1);
pGraphics->SetStrokeColor(
CXFA_GEColor(m_pThemeData->clrPawColorDark[eState - 1]));
pGraphics->StrokePath(&path, pMatrix);
} else {
float fPawLen = kPawLength;
if (pRect->height / 2 <= fPawLen) {
fPawLen = (pRect->height - 6) / 2;
}
float fX = pRect->left + pRect->width / 2;
float fY = pRect->top + pRect->height / 4;
path.MoveTo(CFX_PointF(fX - 4, fY));
path.LineTo(CFX_PointF(fX - 4, fY + fPawLen));
path.MoveTo(CFX_PointF(fX - 2, fY));
path.LineTo(CFX_PointF(fX - 2, fY + fPawLen));
path.MoveTo(CFX_PointF(fX, fY));
path.LineTo(CFX_PointF(fX, fY + fPawLen));
path.MoveTo(CFX_PointF(fX + 2, fY));
path.LineTo(CFX_PointF(fX + 2, fY + fPawLen));
pGraphics->SetLineWidth(1);
pGraphics->SetStrokeColor(
CXFA_GEColor(m_pThemeData->clrPawColorLight[eState - 1]));
pGraphics->StrokePath(&path, pMatrix);
fY++;
path.Clear();
path.MoveTo(CFX_PointF(fX - 3, fY));
path.LineTo(CFX_PointF(fX - 3, fY + fPawLen));
path.MoveTo(CFX_PointF(fX - 1, fY));
path.LineTo(CFX_PointF(fX - 1, fY + fPawLen));
path.MoveTo(CFX_PointF(fX + 1, fY));
path.LineTo(CFX_PointF(fX + 1, fY + fPawLen));
path.MoveTo(CFX_PointF(fX + 3, fY));
path.LineTo(CFX_PointF(fX + 3, fY + fPawLen));
pGraphics->SetLineWidth(1);
pGraphics->SetStrokeColor(
CXFA_GEColor(m_pThemeData->clrPawColorDark[eState - 1]));
pGraphics->StrokePath(&path, pMatrix);
}
}
void CFWL_ScrollBarTP::DrawTrack(CXFA_Graphics* pGraphics,
const CFX_RectF* pRect,
bool bVert,
FWLTHEME_STATE eState,
bool bLowerTrack,
CFX_Matrix* pMatrix) {
if (eState < FWLTHEME_STATE_Normal || eState > FWLTHEME_STATE_Disable)
return;
pGraphics->SaveGraphState();
CXFA_GEPath path;
float fRight = pRect->right();
float fBottom = pRect->bottom();
if (bVert) {
path.AddRectangle(pRect->left, pRect->top, 1, pRect->height);
path.AddRectangle(fRight - 1, pRect->top, 1, pRect->height);
} else {
path.AddRectangle(pRect->left, pRect->top, pRect->width, 1);
path.AddRectangle(pRect->left, fBottom - 1, pRect->width, 1);
}
pGraphics->SetFillColor(CXFA_GEColor(ArgbEncode(255, 238, 237, 229)));
pGraphics->FillPath(&path, FXFILL_WINDING, pMatrix);
path.Clear();
path.AddRectangle(pRect->left + 1, pRect->top, pRect->width - 2,
pRect->height);
pGraphics->RestoreGraphState();
FillSolidRect(pGraphics, m_pThemeData->clrTrackBKEnd, pRect, pMatrix);
}
void CFWL_ScrollBarTP::DrawMaxMinBtn(CXFA_Graphics* pGraphics,
const CFX_RectF* pRect,
FWLTHEME_DIRECTION eDict,
FWLTHEME_STATE eState,
CFX_Matrix* pMatrix) {
DrawTrack(pGraphics, pRect,
eDict == FWLTHEME_DIRECTION_Up || eDict == FWLTHEME_DIRECTION_Down,
eState, true, pMatrix);
CFX_RectF rtArrowBtn(*pRect);
rtArrowBtn.Deflate(1, 1, 1, 1);
DrawArrowBtn(pGraphics, &rtArrowBtn, eDict, eState, pMatrix);
}
void CFWL_ScrollBarTP::SetThemeData() {
m_pThemeData->clrPawColorLight[3] = ArgbEncode(0xff, 208, 223, 172);
m_pThemeData->clrPawColorDark[3] = ArgbEncode(0xff, 140, 157, 115);
m_pThemeData->clrBtnBK[3][0] = ArgbEncode(0xff, 164, 180, 139);
m_pThemeData->clrBtnBK[3][1] = ArgbEncode(0xff, 141, 157, 115);
m_pThemeData->clrBtnBorder[3] = ArgbEncode(0xff, 236, 233, 216);
m_pThemeData->clrPawColorLight[0] = ArgbEncode(0xff, 238, 244, 254);
m_pThemeData->clrPawColorDark[0] = ArgbEncode(0xff, 140, 176, 248);
m_pThemeData->clrBtnBK[0][0] = ArgbEncode(0xff, 197, 213, 252);
m_pThemeData->clrBtnBK[0][1] = ArgbEncode(0xff, 182, 205, 251);
m_pThemeData->clrBtnBorder[0] = ArgbEncode(0xff, 148, 176, 221);
m_pThemeData->clrPawColorLight[1] = ArgbEncode(0xff, 252, 253, 255);
m_pThemeData->clrPawColorDark[1] = ArgbEncode(0xff, 156, 197, 255);
m_pThemeData->clrBtnBK[1][0] = ArgbEncode(0xff, 216, 232, 255);
m_pThemeData->clrBtnBK[1][1] = ArgbEncode(0xff, 204, 225, 255);
m_pThemeData->clrBtnBorder[1] = ArgbEncode(0xff, 218, 230, 254);
m_pThemeData->clrPawColorLight[2] = ArgbEncode(0xff, 207, 221, 253);
m_pThemeData->clrPawColorDark[2] = ArgbEncode(0xff, 131, 158, 216);
m_pThemeData->clrBtnBK[2][0] = ArgbEncode(0xff, 167, 190, 245);
m_pThemeData->clrBtnBK[2][1] = ArgbEncode(0xff, 146, 179, 249);
m_pThemeData->clrBtnBorder[2] = ArgbEncode(0xff, 124, 159, 211);
m_pThemeData->clrTrackBKStart = ArgbEncode(0xff, 243, 241, 236);
m_pThemeData->clrTrackBKEnd = ArgbEncode(0xff, 254, 254, 251);
}
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