blob: 6e48b87346adeb2cdfab9c176db407266ba6c45b [file] [log] [blame]
// Copyright 2016 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 "core/fpdfapi/page/cpdf_textstate.h"
#include <math.h>
#include <utility>
#include "core/fpdfapi/font/cpdf_font.h"
#include "core/fpdfapi/page/cpdf_docpagedata.h"
CPDF_TextState::CPDF_TextState() = default;
CPDF_TextState::~CPDF_TextState() = default;
void CPDF_TextState::Emplace() {
m_Ref.Emplace();
}
RetainPtr<CPDF_Font> CPDF_TextState::GetFont() const {
return m_Ref.GetObject()->m_pFont;
}
void CPDF_TextState::SetFont(RetainPtr<CPDF_Font> pFont) {
m_Ref.GetPrivateCopy()->SetFont(std::move(pFont));
}
float CPDF_TextState::GetFontSize() const {
return m_Ref.GetObject()->m_FontSize;
}
void CPDF_TextState::SetFontSize(float size) {
m_Ref.GetPrivateCopy()->m_FontSize = size;
}
pdfium::span<const float> CPDF_TextState::GetMatrix() const {
return m_Ref.GetObject()->m_Matrix;
}
pdfium::span<float> CPDF_TextState::GetMutableMatrix() {
return m_Ref.GetPrivateCopy()->m_Matrix;
}
float CPDF_TextState::GetCharSpace() const {
return m_Ref.GetObject()->m_CharSpace;
}
void CPDF_TextState::SetCharSpace(float sp) {
m_Ref.GetPrivateCopy()->m_CharSpace = sp;
}
float CPDF_TextState::GetWordSpace() const {
return m_Ref.GetObject()->m_WordSpace;
}
void CPDF_TextState::SetWordSpace(float sp) {
m_Ref.GetPrivateCopy()->m_WordSpace = sp;
}
float CPDF_TextState::GetFontSizeH() const {
return m_Ref.GetObject()->GetFontSizeH();
}
TextRenderingMode CPDF_TextState::GetTextMode() const {
return m_Ref.GetObject()->m_TextMode;
}
void CPDF_TextState::SetTextMode(TextRenderingMode mode) {
m_Ref.GetPrivateCopy()->m_TextMode = mode;
}
pdfium::span<const float> CPDF_TextState::GetCTM() const {
return m_Ref.GetObject()->m_CTM;
}
pdfium::span<float> CPDF_TextState::GetMutableCTM() {
return m_Ref.GetPrivateCopy()->m_CTM;
}
CPDF_TextState::TextData::TextData() = default;
CPDF_TextState::TextData::TextData(const TextData& that)
: m_pFont(that.m_pFont),
m_pDocument(that.m_pDocument),
m_FontSize(that.m_FontSize),
m_CharSpace(that.m_CharSpace),
m_WordSpace(that.m_WordSpace),
m_TextMode(that.m_TextMode) {
for (int i = 0; i < 4; ++i)
m_Matrix[i] = that.m_Matrix[i];
for (int i = 0; i < 4; ++i)
m_CTM[i] = that.m_CTM[i];
if (m_pDocument && m_pFont) {
auto* pPageData = CPDF_DocPageData::FromDocument(m_pDocument);
m_pFont = pPageData->GetFont(m_pFont->GetMutableFontDict());
}
}
CPDF_TextState::TextData::~TextData() = default;
RetainPtr<CPDF_TextState::TextData> CPDF_TextState::TextData::Clone() const {
return pdfium::MakeRetain<CPDF_TextState::TextData>(*this);
}
void CPDF_TextState::TextData::SetFont(RetainPtr<CPDF_Font> pFont) {
m_pDocument = pFont ? pFont->GetDocument() : nullptr;
m_pFont = std::move(pFont);
}
float CPDF_TextState::TextData::GetFontSizeH() const {
return fabs(FXSYS_sqrt2(m_Matrix[0], m_Matrix[2]) * m_FontSize);
}
bool SetTextRenderingModeFromInt(int iMode, TextRenderingMode* mode) {
if (iMode < 0 || iMode > 7)
return false;
*mode = static_cast<TextRenderingMode>(iMode);
return true;
}
bool TextRenderingModeIsClipMode(const TextRenderingMode& mode) {
switch (mode) {
case TextRenderingMode::MODE_FILL_CLIP:
case TextRenderingMode::MODE_STROKE_CLIP:
case TextRenderingMode::MODE_FILL_STROKE_CLIP:
case TextRenderingMode::MODE_CLIP:
return true;
default:
return false;
}
}
bool TextRenderingModeIsStrokeMode(const TextRenderingMode& mode) {
switch (mode) {
case TextRenderingMode::MODE_STROKE:
case TextRenderingMode::MODE_FILL_STROKE:
case TextRenderingMode::MODE_STROKE_CLIP:
case TextRenderingMode::MODE_FILL_STROKE_CLIP:
return true;
default:
return false;
}
}