// 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(CFX_PointF(x, y), FXPT_TYPE::MoveTo, false); pPathObj->DefaultStates(); 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); pPathObj->DefaultStates(); 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); 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_SetStrokeWidth(FPDF_PAGEOBJECT path, float width) { if (!path || width < 0.0f) return false; auto* pPathObj = reinterpret_cast<CPDF_PathObject*>(path); pPathObj->m_GraphState.SetLineWidth(width); 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); 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_GetFillColor(FPDF_PAGEOBJECT path, unsigned int* R, unsigned int* G, unsigned int* B, unsigned int* A) { if (!path || !R || !G || !B || !A) return false; auto* pPathObj = reinterpret_cast<CPDF_PathObject*>(path); uint32_t fillRGB = pPathObj->m_ColorState.GetFillRGB(); *R = FXSYS_GetRValue(fillRGB); *G = FXSYS_GetGValue(fillRGB); *B = FXSYS_GetBValue(fillRGB); *A = static_cast<unsigned int>(pPathObj->m_GeneralState.GetFillAlpha() * 255.f); 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(CFX_PointF(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(CFX_PointF(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(CFX_PointF(x1, y1), FXPT_TYPE::BezierTo, false); pPathObj->m_Path.AppendPoint(CFX_PointF(x2, y2), FXPT_TYPE::BezierTo, false); pPathObj->m_Path.AppendPoint(CFX_PointF(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); if (pPathObj->m_Path.GetPoints().empty()) return false; pPathObj->m_Path.ClosePath(); 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; }