132 lines
4.5 KiB
C++
132 lines
4.5 KiB
C++
// Copyright 2017 PDFium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "public/fpdf_edit.h"
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#include "core/fpdfapi/page/cpdf_path.h"
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#include "core/fpdfapi/page/cpdf_pathobject.h"
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#include "core/fxcrt/fx_system.h"
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DLLEXPORT FPDF_PAGEOBJECT STDCALL FPDFPageObj_CreateNewPath(float x, float y) {
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CPDF_PathObject* pPathObj = new CPDF_PathObject;
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pPathObj->m_Path.AppendPoint(CFX_PointF(x, y), FXPT_TYPE::MoveTo, false);
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pPathObj->DefaultStates();
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return pPathObj;
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}
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DLLEXPORT FPDF_PAGEOBJECT STDCALL FPDFPageObj_CreateNewRect(float x,
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float y,
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float w,
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float h) {
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CPDF_PathObject* pPathObj = new CPDF_PathObject;
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pPathObj->m_Path.AppendRect(x, y, x + w, y + h);
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pPathObj->DefaultStates();
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return pPathObj;
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}
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DLLEXPORT FPDF_BOOL FPDFPath_SetStrokeColor(FPDF_PAGEOBJECT path,
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unsigned int R,
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unsigned int G,
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unsigned int B,
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unsigned int A) {
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if (!path || R > 255 || G > 255 || B > 255 || A > 255)
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return false;
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auto pPathObj = reinterpret_cast<CPDF_PathObject*>(path);
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pPathObj->m_GeneralState.SetStrokeAlpha(A / 255.f);
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FX_FLOAT rgb[3] = {R / 255.f, G / 255.f, B / 255.f};
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pPathObj->m_ColorState.SetStrokeColor(
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CPDF_ColorSpace::GetStockCS(PDFCS_DEVICERGB), rgb, 3);
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return true;
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}
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DLLEXPORT FPDF_BOOL FPDFPath_SetStrokeWidth(FPDF_PAGEOBJECT path, float width) {
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if (!path || width < 0.0f)
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return false;
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auto pPathObj = reinterpret_cast<CPDF_PathObject*>(path);
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pPathObj->m_GraphState.SetLineWidth(width);
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return true;
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}
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DLLEXPORT FPDF_BOOL FPDFPath_SetFillColor(FPDF_PAGEOBJECT path,
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unsigned int R,
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unsigned int G,
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unsigned int B,
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unsigned int A) {
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if (!path || R > 255 || G > 255 || B > 255 || A > 255)
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return false;
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auto pPathObj = reinterpret_cast<CPDF_PathObject*>(path);
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pPathObj->m_GeneralState.SetFillAlpha(A / 255.f);
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FX_FLOAT rgb[3] = {R / 255.f, G / 255.f, B / 255.f};
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pPathObj->m_ColorState.SetFillColor(
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CPDF_ColorSpace::GetStockCS(PDFCS_DEVICERGB), rgb, 3);
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return true;
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}
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DLLEXPORT FPDF_BOOL FPDFPath_MoveTo(FPDF_PAGEOBJECT path, float x, float y) {
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if (!path)
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return false;
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auto pPathObj = reinterpret_cast<CPDF_PathObject*>(path);
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pPathObj->m_Path.AppendPoint(CFX_PointF(x, y), FXPT_TYPE::MoveTo, false);
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return true;
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}
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DLLEXPORT FPDF_BOOL FPDFPath_LineTo(FPDF_PAGEOBJECT path, float x, float y) {
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if (!path)
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return false;
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auto pPathObj = reinterpret_cast<CPDF_PathObject*>(path);
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pPathObj->m_Path.AppendPoint(CFX_PointF(x, y), FXPT_TYPE::LineTo, false);
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return true;
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}
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DLLEXPORT FPDF_BOOL FPDFPath_BezierTo(FPDF_PAGEOBJECT path,
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float x1,
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float y1,
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float x2,
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float y2,
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float x3,
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float y3) {
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if (!path)
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return false;
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auto pPathObj = reinterpret_cast<CPDF_PathObject*>(path);
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pPathObj->m_Path.AppendPoint(CFX_PointF(x1, y1), FXPT_TYPE::BezierTo, false);
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pPathObj->m_Path.AppendPoint(CFX_PointF(x2, y2), FXPT_TYPE::BezierTo, false);
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pPathObj->m_Path.AppendPoint(CFX_PointF(x3, y3), FXPT_TYPE::BezierTo, false);
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return true;
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}
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DLLEXPORT FPDF_BOOL FPDFPath_Close(FPDF_PAGEOBJECT path) {
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if (!path)
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return false;
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auto pPathObj = reinterpret_cast<CPDF_PathObject*>(path);
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if (pPathObj->m_Path.GetPoints().empty())
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return false;
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pPathObj->m_Path.ClosePath();
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return true;
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}
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DLLEXPORT FPDF_BOOL FPDFPath_SetDrawMode(FPDF_PAGEOBJECT path,
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int fillmode,
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FPDF_BOOL stroke) {
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if (!path)
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return false;
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auto pPathObj = reinterpret_cast<CPDF_PathObject*>(path);
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if (fillmode == FPDF_FILLMODE_ALTERNATE)
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pPathObj->m_FillType = FXFILL_ALTERNATE;
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else if (fillmode == FPDF_FILLMODE_WINDING)
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pPathObj->m_FillType = FXFILL_WINDING;
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else
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pPathObj->m_FillType = 0;
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pPathObj->m_bStroke = stroke != 0;
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return true;
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}
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