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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_widgettp.h"
#include <algorithm>
#include <utility>
#include "core/fxge/render_defines.h"
#include "third_party/base/ptr_util.h"
#include "xfa/fde/cfde_textout.h"
#include "xfa/fgas/font/cfgas_fontmgr.h"
#include "xfa/fgas/font/cfgas_gefont.h"
#include "xfa/fwl/cfwl_themebackground.h"
#include "xfa/fwl/cfwl_themepart.h"
#include "xfa/fwl/cfwl_themetext.h"
#include "xfa/fwl/cfwl_widget.h"
#include "xfa/fwl/cfwl_widgetmgr.h"
#include "xfa/fwl/ifwl_themeprovider.h"
#include "xfa/fxgraphics/cxfa_gecolor.h"
#include "xfa/fxgraphics/cxfa_gepath.h"
#include "xfa/fxgraphics/cxfa_geshading.h"
namespace {
CFWL_FontManager* g_FontManager = nullptr;
} // namespace
CFWL_WidgetTP::CFWL_WidgetTP() = default;
CFWL_WidgetTP::~CFWL_WidgetTP() = default;
void CFWL_WidgetTP::DrawBackground(const CFWL_ThemeBackground& pParams) {}
void CFWL_WidgetTP::DrawText(const CFWL_ThemeText& pParams) {
EnsureTTOInitialized();
int32_t iLen = pParams.m_wsText.GetLength();
if (iLen <= 0)
return;
CXFA_Graphics* pGraphics = pParams.m_pGraphics;
m_pTextOut->SetStyles(pParams.m_dwTTOStyles);
m_pTextOut->SetAlignment(pParams.m_iTTOAlign);
CFX_Matrix matrix = pParams.m_matrix;
matrix.Concat(*pGraphics->GetMatrix());
m_pTextOut->SetMatrix(matrix);
m_pTextOut->DrawLogicText(pGraphics->GetRenderDevice(),
WideStringView(pParams.m_wsText.c_str(), iLen),
pParams.m_rtPart);
}
const RetainPtr<CFGAS_GEFont>& CFWL_WidgetTP::GetFont() const {
return m_pFDEFont;
}
void CFWL_WidgetTP::InitializeArrowColorData() {
if (m_pColorData)
return;
m_pColorData = pdfium::MakeUnique<CColorData>();
m_pColorData->clrBorder[0] = ArgbEncode(255, 202, 216, 249);
m_pColorData->clrBorder[1] = ArgbEncode(255, 171, 190, 233);
m_pColorData->clrBorder[2] = ArgbEncode(255, 135, 147, 219);
m_pColorData->clrBorder[3] = ArgbEncode(255, 172, 168, 153);
m_pColorData->clrStart[0] = ArgbEncode(255, 225, 234, 254);
m_pColorData->clrStart[1] = ArgbEncode(255, 253, 255, 255);
m_pColorData->clrStart[2] = ArgbEncode(255, 110, 142, 241);
m_pColorData->clrStart[3] = ArgbEncode(255, 254, 254, 251);
m_pColorData->clrEnd[0] = ArgbEncode(255, 175, 204, 251);
m_pColorData->clrEnd[1] = ArgbEncode(255, 185, 218, 251);
m_pColorData->clrEnd[2] = ArgbEncode(255, 210, 222, 235);
m_pColorData->clrEnd[3] = ArgbEncode(255, 243, 241, 236);
m_pColorData->clrSign[0] = ArgbEncode(255, 77, 97, 133);
m_pColorData->clrSign[1] = ArgbEncode(255, 77, 97, 133);
m_pColorData->clrSign[2] = ArgbEncode(255, 77, 97, 133);
m_pColorData->clrSign[3] = ArgbEncode(255, 128, 128, 128);
}
void CFWL_WidgetTP::EnsureTTOInitialized() {
if (m_pTextOut)
return;
m_pFDEFont = CFWL_FontManager::GetInstance()->FindFont(L"Helvetica", 0, 0);
m_pTextOut = pdfium::MakeUnique<CFDE_TextOut>();
m_pTextOut->SetFont(m_pFDEFont);
m_pTextOut->SetFontSize(FWLTHEME_CAPACITY_FontSize);
m_pTextOut->SetTextColor(FWLTHEME_CAPACITY_TextColor);
}
void CFWL_WidgetTP::DrawBorder(CXFA_Graphics* pGraphics,
const CFX_RectF& rect,
const CFX_Matrix& matrix) {
if (!pGraphics)
return;
CXFA_GEPath path;
path.AddRectangle(rect.left, rect.top, rect.width, rect.height);
path.AddRectangle(rect.left + 1, rect.top + 1, rect.width - 2,
rect.height - 2);
pGraphics->SaveGraphState();
pGraphics->SetFillColor(CXFA_GEColor(ArgbEncode(255, 0, 0, 0)));
pGraphics->FillPath(&path, FXFILL_ALTERNATE, &matrix);
pGraphics->RestoreGraphState();
}
void CFWL_WidgetTP::FillBackground(CXFA_Graphics* pGraphics,
const CFX_RectF& rect,
const CFX_Matrix& matrix) {
FillSolidRect(pGraphics, FWLTHEME_COLOR_Background, rect, matrix);
}
void CFWL_WidgetTP::FillSolidRect(CXFA_Graphics* pGraphics,
FX_ARGB fillColor,
const CFX_RectF& rect,
const CFX_Matrix& matrix) {
if (!pGraphics)
return;
CXFA_GEPath path;
path.AddRectangle(rect.left, rect.top, rect.width, rect.height);
pGraphics->SaveGraphState();
pGraphics->SetFillColor(CXFA_GEColor(fillColor));
pGraphics->FillPath(&path, FXFILL_WINDING, &matrix);
pGraphics->RestoreGraphState();
}
void CFWL_WidgetTP::DrawFocus(CXFA_Graphics* pGraphics,
const CFX_RectF& rect,
const CFX_Matrix& matrix) {
if (!pGraphics)
return;
CXFA_GEPath path;
path.AddRectangle(rect.left, rect.top, rect.width, rect.height);
pGraphics->SaveGraphState();
pGraphics->SetStrokeColor(CXFA_GEColor(0xFF000000));
static constexpr float kDashPattern[2] = {1, 1};
pGraphics->SetLineDash(0.0f, kDashPattern, FX_ArraySize(kDashPattern));
pGraphics->StrokePath(&path, &matrix);
pGraphics->RestoreGraphState();
}
void CFWL_WidgetTP::DrawArrow(CXFA_Graphics* pGraphics,
const CFX_RectF& rect,
FWLTHEME_DIRECTION eDict,
FX_ARGB argSign,
const CFX_Matrix& matrix) {
bool bVert =
(eDict == FWLTHEME_DIRECTION_Up || eDict == FWLTHEME_DIRECTION_Down);
float fLeft = ((rect.width - (bVert ? 9 : 6)) / 2 + rect.left) + 0.5f;
float fTop = ((rect.height - (bVert ? 6 : 9)) / 2 + rect.top) + 0.5f;
CXFA_GEPath path;
switch (eDict) {
case FWLTHEME_DIRECTION_Down: {
path.MoveTo(CFX_PointF(fLeft, fTop + 1));
path.LineTo(CFX_PointF(fLeft + 4, fTop + 5));
path.LineTo(CFX_PointF(fLeft + 8, fTop + 1));
path.LineTo(CFX_PointF(fLeft + 7, fTop));
path.LineTo(CFX_PointF(fLeft + 4, fTop + 3));
path.LineTo(CFX_PointF(fLeft + 1, fTop));
break;
}
case FWLTHEME_DIRECTION_Up: {
path.MoveTo(CFX_PointF(fLeft, fTop + 4));
path.LineTo(CFX_PointF(fLeft + 4, fTop));
path.LineTo(CFX_PointF(fLeft + 8, fTop + 4));
path.LineTo(CFX_PointF(fLeft + 7, fTop + 5));
path.LineTo(CFX_PointF(fLeft + 4, fTop + 2));
path.LineTo(CFX_PointF(fLeft + 1, fTop + 5));
break;
}
case FWLTHEME_DIRECTION_Right: {
path.MoveTo(CFX_PointF(fLeft + 1, fTop));
path.LineTo(CFX_PointF(fLeft + 5, fTop + 4));
path.LineTo(CFX_PointF(fLeft + 1, fTop + 8));
path.LineTo(CFX_PointF(fLeft, fTop + 7));
path.LineTo(CFX_PointF(fLeft + 3, fTop + 4));
path.LineTo(CFX_PointF(fLeft, fTop + 1));
break;
}
case FWLTHEME_DIRECTION_Left: {
path.MoveTo(CFX_PointF(fLeft, fTop + 4));
path.LineTo(CFX_PointF(fLeft + 4, fTop));
path.LineTo(CFX_PointF(fLeft + 5, fTop + 1));
path.LineTo(CFX_PointF(fLeft + 2, fTop + 4));
path.LineTo(CFX_PointF(fLeft + 5, fTop + 7));
path.LineTo(CFX_PointF(fLeft + 4, fTop + 8));
break;
}
}
pGraphics->SetFillColor(CXFA_GEColor(argSign));
pGraphics->FillPath(&path, FXFILL_WINDING, &matrix);
}
void CFWL_WidgetTP::DrawBtn(CXFA_Graphics* pGraphics,
const CFX_RectF& rect,
FWLTHEME_STATE eState,
const CFX_Matrix& matrix) {
InitializeArrowColorData();
FillSolidRect(pGraphics, m_pColorData->clrEnd[eState - 1], rect, matrix);
CXFA_GEPath path;
path.AddRectangle(rect.left, rect.top, rect.width, rect.height);
pGraphics->SetStrokeColor(CXFA_GEColor(m_pColorData->clrBorder[eState - 1]));
pGraphics->StrokePath(&path, &matrix);
}
void CFWL_WidgetTP::DrawArrowBtn(CXFA_Graphics* pGraphics,
const CFX_RectF& rect,
FWLTHEME_DIRECTION eDict,
FWLTHEME_STATE eState,
const CFX_Matrix& matrix) {
DrawBtn(pGraphics, rect, eState, matrix);
InitializeArrowColorData();
DrawArrow(pGraphics, rect, eDict, m_pColorData->clrSign[eState - 1], matrix);
}
CFWL_FontData::CFWL_FontData() : m_dwStyles(0), m_dwCodePage(0) {}
CFWL_FontData::~CFWL_FontData() {}
bool CFWL_FontData::Equal(WideStringView wsFontFamily,
uint32_t dwFontStyles,
uint16_t wCodePage) {
return m_wsFamily == wsFontFamily && m_dwStyles == dwFontStyles &&
m_dwCodePage == wCodePage;
}
bool CFWL_FontData::LoadFont(WideStringView wsFontFamily,
uint32_t dwFontStyles,
uint16_t dwCodePage) {
m_wsFamily = wsFontFamily;
m_dwStyles = dwFontStyles;
m_dwCodePage = dwCodePage;
if (!m_pFontMgr) {
m_pFontMgr = pdfium::MakeUnique<CFGAS_FontMgr>();
if (!m_pFontMgr->EnumFonts())
m_pFontMgr = nullptr;
}
// TODO(tsepez): check usage of c_str() below.
m_pFont = CFGAS_GEFont::LoadFont(wsFontFamily.unterminated_c_str(),
dwFontStyles, dwCodePage, m_pFontMgr.get());
return !!m_pFont;
}
RetainPtr<CFGAS_GEFont> CFWL_FontData::GetFont() const {
return m_pFont;
}
CFWL_FontManager* CFWL_FontManager::GetInstance() {
if (!g_FontManager)
g_FontManager = new CFWL_FontManager;
return g_FontManager;
}
void CFWL_FontManager::DestroyInstance() {
delete g_FontManager;
g_FontManager = nullptr;
}
CFWL_FontManager::CFWL_FontManager() = default;
CFWL_FontManager::~CFWL_FontManager() = default;
RetainPtr<CFGAS_GEFont> CFWL_FontManager::FindFont(WideStringView wsFontFamily,
uint32_t dwFontStyles,
uint16_t wCodePage) {
for (const auto& pData : m_FontsArray) {
if (pData->Equal(wsFontFamily, dwFontStyles, wCodePage))
return pData->GetFont();
}
auto pFontData = pdfium::MakeUnique<CFWL_FontData>();
if (!pFontData->LoadFont(wsFontFamily, dwFontStyles, wCodePage))
return nullptr;
m_FontsArray.push_back(std::move(pFontData));
return m_FontsArray.back()->GetFont();
}