kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 1 | // Copyright 2016 The PDFium Authors |
Philip P. Moltmann | 4d3acf4 | 2017-03-20 11:05:52 -0700 | [diff] [blame] | 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
| 6 | |
| 7 | #include "core/fpdfapi/page/cpdf_tilingpattern.h" |
| 8 | |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 9 | #include <math.h> |
| 10 | |
| 11 | #include <utility> |
| 12 | |
Haibo Huang | 49cc930 | 2020-04-27 16:14:24 -0700 | [diff] [blame] | 13 | #include "core/fpdfapi/page/cpdf_allstates.h" |
Philip P. Moltmann | 4d3acf4 | 2017-03-20 11:05:52 -0700 | [diff] [blame] | 14 | #include "core/fpdfapi/page/cpdf_form.h" |
Haibo Huang | 49cc930 | 2020-04-27 16:14:24 -0700 | [diff] [blame] | 15 | #include "core/fpdfapi/page/cpdf_pageobject.h" |
Philip P. Moltmann | 4d3acf4 | 2017-03-20 11:05:52 -0700 | [diff] [blame] | 16 | #include "core/fpdfapi/parser/cpdf_dictionary.h" |
| 17 | #include "core/fpdfapi/parser/cpdf_object.h" |
| 18 | #include "core/fpdfapi/parser/cpdf_stream.h" |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 19 | #include "third_party/base/check.h" |
Philip P. Moltmann | 4d3acf4 | 2017-03-20 11:05:52 -0700 | [diff] [blame] | 20 | |
| 21 | CPDF_TilingPattern::CPDF_TilingPattern(CPDF_Document* pDoc, |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 22 | RetainPtr<CPDF_Object> pPatternObj, |
Philip P. Moltmann | 4d3acf4 | 2017-03-20 11:05:52 -0700 | [diff] [blame] | 23 | const CFX_Matrix& parentMatrix) |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 24 | : CPDF_Pattern(pDoc, std::move(pPatternObj), parentMatrix) { |
| 25 | DCHECK(document()); |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 26 | m_bColored = pattern_obj()->GetDict()->GetIntegerFor("PaintType") == 1; |
| 27 | SetPatternToFormMatrix(); |
Philip P. Moltmann | 4d3acf4 | 2017-03-20 11:05:52 -0700 | [diff] [blame] | 28 | } |
| 29 | |
Haibo Huang | 49cc930 | 2020-04-27 16:14:24 -0700 | [diff] [blame] | 30 | CPDF_TilingPattern::~CPDF_TilingPattern() = default; |
Philip P. Moltmann | 4d3acf4 | 2017-03-20 11:05:52 -0700 | [diff] [blame] | 31 | |
| 32 | CPDF_TilingPattern* CPDF_TilingPattern::AsTilingPattern() { |
| 33 | return this; |
| 34 | } |
| 35 | |
Haibo Huang | 49cc930 | 2020-04-27 16:14:24 -0700 | [diff] [blame] | 36 | std::unique_ptr<CPDF_Form> CPDF_TilingPattern::Load(CPDF_PageObject* pPageObj) { |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 37 | RetainPtr<const CPDF_Dictionary> pDict = pattern_obj()->GetDict(); |
Philip P. Moltmann | 4d3acf4 | 2017-03-20 11:05:52 -0700 | [diff] [blame] | 38 | m_bColored = pDict->GetIntegerFor("PaintType") == 1; |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 39 | m_XStep = fabsf(pDict->GetFloatFor("XStep")); |
| 40 | m_YStep = fabsf(pDict->GetFloatFor("YStep")); |
Philip P. Moltmann | 4d3acf4 | 2017-03-20 11:05:52 -0700 | [diff] [blame] | 41 | |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 42 | RetainPtr<CPDF_Stream> pStream = ToStream(pattern_obj()); |
Philip P. Moltmann | 4d3acf4 | 2017-03-20 11:05:52 -0700 | [diff] [blame] | 43 | if (!pStream) |
Haibo Huang | 49cc930 | 2020-04-27 16:14:24 -0700 | [diff] [blame] | 44 | return nullptr; |
Philip P. Moltmann | 4d3acf4 | 2017-03-20 11:05:52 -0700 | [diff] [blame] | 45 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 46 | const CFX_Matrix& matrix = parent_matrix(); |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 47 | auto form = |
| 48 | std::make_unique<CPDF_Form>(document(), nullptr, std::move(pStream)); |
Haibo Huang | 49cc930 | 2020-04-27 16:14:24 -0700 | [diff] [blame] | 49 | |
| 50 | CPDF_AllStates allStates; |
| 51 | allStates.m_ColorState.Emplace(); |
| 52 | allStates.m_GraphState.Emplace(); |
| 53 | allStates.m_TextState.Emplace(); |
| 54 | allStates.m_GeneralState = pPageObj->m_GeneralState; |
| 55 | form->ParseContent(&allStates, &matrix, nullptr); |
Philip P. Moltmann | 4d3acf4 | 2017-03-20 11:05:52 -0700 | [diff] [blame] | 56 | m_BBox = pDict->GetRectFor("BBox"); |
Haibo Huang | 49cc930 | 2020-04-27 16:14:24 -0700 | [diff] [blame] | 57 | return form; |
Philip P. Moltmann | 4d3acf4 | 2017-03-20 11:05:52 -0700 | [diff] [blame] | 58 | } |