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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/core/ifwl_picturebox.h"
#include "xfa/fwl/core/cfwl_picturebox.h"
#include "xfa/fwl/core/fwl_noteimp.h"
IFWL_PictureBox::IFWL_PictureBox(const IFWL_App* app,
const CFWL_WidgetImpProperties& properties)
: IFWL_Widget(app, properties, nullptr),
m_bTop(FALSE),
m_bVCenter(FALSE),
m_bButton(FALSE) {
m_rtClient.Reset();
m_rtImage.Reset();
m_matrix.SetIdentity();
}
IFWL_PictureBox::~IFWL_PictureBox() {}
void IFWL_PictureBox::Initialize() {
IFWL_Widget::Initialize();
m_pDelegate = new CFWL_PictureBoxImpDelegate(this);
}
void IFWL_PictureBox::Finalize() {
delete m_pDelegate;
m_pDelegate = nullptr;
IFWL_Widget::Finalize();
}
FWL_Type IFWL_PictureBox::GetClassID() const {
return FWL_Type::PictureBox;
}
FWL_Error IFWL_PictureBox::GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize) {
if (bAutoSize) {
rect.Set(0, 0, 0, 0);
if (!m_pProperties->m_pDataProvider)
return FWL_Error::Indefinite;
CFX_DIBitmap* pBitmap =
static_cast<IFWL_PictureBoxDP*>(m_pProperties->m_pDataProvider)
->GetPicture(this);
if (pBitmap) {
rect.Set(0, 0, (FX_FLOAT)pBitmap->GetWidth(),
(FX_FLOAT)pBitmap->GetHeight());
}
IFWL_Widget::GetWidgetRect(rect, TRUE);
} else {
rect = m_pProperties->m_rtWidget;
}
return FWL_Error::Succeeded;
}
FWL_Error IFWL_PictureBox::Update() {
if (IsLocked()) {
return FWL_Error::Succeeded;
}
if (!m_pProperties->m_pThemeProvider) {
m_pProperties->m_pThemeProvider = GetAvailableTheme();
}
GetClientRect(m_rtClient);
return FWL_Error::Succeeded;
}
FWL_Error IFWL_PictureBox::DrawWidget(CFX_Graphics* pGraphics,
const CFX_Matrix* pMatrix) {
if (!pGraphics)
return FWL_Error::Indefinite;
if (!m_pProperties->m_pThemeProvider)
return FWL_Error::Indefinite;
IFWL_ThemeProvider* pTheme = GetAvailableTheme();
if (HasBorder()) {
DrawBorder(pGraphics, CFWL_Part::Border, pTheme, pMatrix);
}
if (HasEdge()) {
DrawEdge(pGraphics, CFWL_Part::Edge, pTheme, pMatrix);
}
DrawBkground(pGraphics, pTheme, pMatrix);
return FWL_Error::Succeeded;
}
void IFWL_PictureBox::DrawBkground(CFX_Graphics* pGraphics,
IFWL_ThemeProvider* pTheme,
const CFX_Matrix* pMatrix) {
IFWL_PictureBoxDP* pPictureDP =
static_cast<IFWL_PictureBoxDP*>(m_pProperties->m_pDataProvider);
if (!pPictureDP)
return;
CFX_DIBitmap* pPicture = pPictureDP->GetPicture(this);
CFX_Matrix matrix;
pPictureDP->GetMatrix(this, matrix);
if (!pPicture)
return;
matrix.Concat(*pMatrix);
FX_FLOAT fx = (FX_FLOAT)pPicture->GetWidth();
FX_FLOAT fy = (FX_FLOAT)pPicture->GetHeight();
if (fx > m_rtClient.width) {
fx = m_rtClient.width;
}
if (fy > m_rtClient.height) {
fy = m_rtClient.height;
}
pGraphics->DrawImage(pPicture, CFX_PointF((m_rtClient.width - fx) / 2,
(m_rtClient.height - fy) / 2),
&matrix);
}
bool IFWL_PictureBox::VStyle(uint32_t dwStyle) {
switch (dwStyle & FWL_STYLEEXT_PTB_VAlignMask) {
case FWL_STYLEEXT_PTB_Top:
m_bTop = TRUE;
return true;
case FWL_STYLEEXT_PTB_Vcenter:
m_bVCenter = TRUE;
return true;
case FWL_STYLEEXT_PTB_Bottom:
m_bButton = TRUE;
return true;
}
return false;
}
CFWL_PictureBoxImpDelegate::CFWL_PictureBoxImpDelegate(IFWL_PictureBox* pOwner)
: m_pOwner(pOwner) {}
void CFWL_PictureBoxImpDelegate::OnDrawWidget(CFX_Graphics* pGraphics,
const CFX_Matrix* pMatrix) {
m_pOwner->DrawWidget(pGraphics, pMatrix);
}
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