// Copyright 2017 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. #include "public/fpdf_edit.h" #include "core/fpdfapi/page/cpdf_path.h" #include "core/fpdfapi/page/cpdf_pathobject.h" #include "core/fxcrt/fx_system.h" DLLEXPORT FPDF_PAGEOBJECT STDCALL FPDFPageObj_CreateNewPath(float x, float y) { CPDF_PathObject* pPathObj = new CPDF_PathObject; pPathObj->m_Path.AppendPoint(x, y, FXPT_TYPE::MoveTo, false); return pPathObj; } DLLEXPORT FPDF_PAGEOBJECT STDCALL FPDFPageObj_CreateNewRect(float x, float y, float w, float h) { CPDF_PathObject* pPathObj = new CPDF_PathObject; pPathObj->m_Path.AppendRect(x, y, x + w, y + h); return pPathObj; } DLLEXPORT FPDF_BOOL FPDFPath_SetStrokeColor(FPDF_PAGEOBJECT path, unsigned int R, unsigned int G, unsigned int B, unsigned int A) { if (!path || R > 255 || G > 255 || B > 255 || A > 255) return false; auto pPathObj = reinterpret_cast<CPDF_PathObject*>(path); pPathObj->m_GeneralState.SetStrokeAlpha(A / 255.f); FX_FLOAT rgb[3] = {R / 255.f, G / 255.f, B / 255.f}; pPathObj->m_ColorState.SetStrokeColor( CPDF_ColorSpace::GetStockCS(PDFCS_DEVICERGB), rgb, 3); return true; } DLLEXPORT FPDF_BOOL FPDFPath_SetFillColor(FPDF_PAGEOBJECT path, unsigned int R, unsigned int G, unsigned int B, unsigned int A) { if (!path || R > 255 || G > 255 || B > 255 || A > 255) return false; auto pPathObj = reinterpret_cast<CPDF_PathObject*>(path); pPathObj->m_GeneralState.SetFillAlpha(A / 255.f); FX_FLOAT rgb[3] = {R / 255.f, G / 255.f, B / 255.f}; pPathObj->m_ColorState.SetFillColor( CPDF_ColorSpace::GetStockCS(PDFCS_DEVICERGB), rgb, 3); return true; } DLLEXPORT FPDF_BOOL FPDFPath_MoveTo(FPDF_PAGEOBJECT path, float x, float y) { if (!path) return false; auto pPathObj = reinterpret_cast<CPDF_PathObject*>(path); pPathObj->m_Path.AppendPoint(x, y, FXPT_TYPE::MoveTo, false); return true; } DLLEXPORT FPDF_BOOL FPDFPath_LineTo(FPDF_PAGEOBJECT path, float x, float y) { if (!path) return false; auto pPathObj = reinterpret_cast<CPDF_PathObject*>(path); pPathObj->m_Path.AppendPoint(x, y, FXPT_TYPE::LineTo, false); return true; } DLLEXPORT FPDF_BOOL FPDFPath_BezierTo(FPDF_PAGEOBJECT path, float x1, float y1, float x2, float y2, float x3, float y3) { if (!path) return false; auto pPathObj = reinterpret_cast<CPDF_PathObject*>(path); pPathObj->m_Path.AppendPoint(x1, y1, FXPT_TYPE::BezierTo, false); pPathObj->m_Path.AppendPoint(x2, y2, FXPT_TYPE::BezierTo, false); pPathObj->m_Path.AppendPoint(x3, y3, FXPT_TYPE::BezierTo, false); return true; } DLLEXPORT FPDF_BOOL FPDFPath_Close(FPDF_PAGEOBJECT path) { if (!path) return false; auto pPathObj = reinterpret_cast<CPDF_PathObject*>(path); int numPoints = pPathObj->m_Path.GetPointCount(); if (numPoints == 0) return false; FX_PATHPOINT* pPoints = pPathObj->m_Path.GetMutablePoints(); if (pPoints[numPoints - 1].m_CloseFigure) return true; pPoints[numPoints - 1].m_CloseFigure = true; return true; } DLLEXPORT FPDF_BOOL FPDFPath_SetDrawMode(FPDF_PAGEOBJECT path, int fillmode, FPDF_BOOL stroke) { if (!path) return false; auto pPathObj = reinterpret_cast<CPDF_PathObject*>(path); if (fillmode == FPDF_FILLMODE_ALTERNATE) pPathObj->m_FillType = FXFILL_ALTERNATE; else if (fillmode == FPDF_FILLMODE_WINDING) pPathObj->m_FillType = FXFILL_WINDING; else pPathObj->m_FillType = 0; pPathObj->m_bStroke = stroke != 0; return true; }