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authorNicolas Pena <npm@chromium.org>2017-02-07 14:59:23 -0500
committerChromium commit bot <commit-bot@chromium.org>2017-02-07 20:47:07 +0000
commit55e026b7b6eec17b012c819c4a7d39e63094b5c4 (patch)
tree5dfdf3759f9d13a87dab2bfd354aaa6342728716 /fpdfsdk/fpdfeditpath.cpp
parent79365f7e3d2d62138e79e4403d4959318776c139 (diff)
downloadpdfium-55e026b7b6eec17b012c819c4a7d39e63094b5c4.tar.xz
Add APIs for path construction and paintingchromium/3006
Added methods to create paths, set their colors, determine whether they will be stroked and/or filled. FPDFPage_InsertObject should be used to add a path to a page. BUG=pdfium:661 Change-Id: I8fd17b33a09c5126e517bfd1a69a893216c160e8 Reviewed-on: https://pdfium-review.googlesource.com/2534 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: Nicolás Peña <npm@chromium.org>
Diffstat (limited to 'fpdfsdk/fpdfeditpath.cpp')
-rw-r--r--fpdfsdk/fpdfeditpath.cpp126
1 files changed, 126 insertions, 0 deletions
diff --git a/fpdfsdk/fpdfeditpath.cpp b/fpdfsdk/fpdfeditpath.cpp
new file mode 100644
index 0000000000..1641510ca1
--- /dev/null
+++ b/fpdfsdk/fpdfeditpath.cpp
@@ -0,0 +1,126 @@
+// 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;
+}