K. Moon | 832a694 | 2022-10-31 20:11:31 +0000 | [diff] [blame] | 1 | // Copyright 2014 The PDFium Authors |
John Abd-El-Malek | 3f3b45c | 2014-05-23 17:28:10 -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. |
Lei Zhang | a6d9f0e | 2015-06-13 00:48:38 -0700 | [diff] [blame] | 4 | |
John Abd-El-Malek | 3f3b45c | 2014-05-23 17:28:10 -0700 | [diff] [blame] | 5 | // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
| 6 | |
Lei Zhang | b4e7f30 | 2015-11-06 15:52:32 -0800 | [diff] [blame] | 7 | #include "public/fpdf_edit.h" |
| 8 | |
Tom Sepez | 5af9543 | 2020-05-15 22:55:16 +0000 | [diff] [blame] | 9 | #include <memory> |
Lei Zhang | 02d42b6 | 2018-10-24 17:56:26 +0000 | [diff] [blame] | 10 | #include <utility> |
| 11 | |
Lei Zhang | 87c415a | 2020-01-14 19:54:36 +0000 | [diff] [blame] | 12 | #include "core/fpdfapi/page/cpdf_dib.h" |
dsinclair | 41872fa | 2016-10-04 11:29:35 -0700 | [diff] [blame] | 13 | #include "core/fpdfapi/page/cpdf_image.h" |
| 14 | #include "core/fpdfapi/page/cpdf_imageobject.h" |
Jane Liu | ca89829 | 2017-08-16 11:25:35 -0400 | [diff] [blame] | 15 | #include "core/fpdfapi/page/cpdf_page.h" |
dsinclair | 41872fa | 2016-10-04 11:29:35 -0700 | [diff] [blame] | 16 | #include "core/fpdfapi/page/cpdf_pageobject.h" |
Jane Liu | be63ab9 | 2017-08-09 14:09:34 -0400 | [diff] [blame] | 17 | #include "core/fpdfapi/parser/cpdf_array.h" |
Lei Zhang | 8153561 | 2018-10-09 21:15:17 +0000 | [diff] [blame] | 18 | #include "core/fpdfapi/parser/cpdf_dictionary.h" |
Jane Liu | be63ab9 | 2017-08-09 14:09:34 -0400 | [diff] [blame] | 19 | #include "core/fpdfapi/parser/cpdf_name.h" |
Tom Sepez | bb04074 | 2022-09-28 16:33:34 +0000 | [diff] [blame] | 20 | #include "core/fpdfapi/parser/cpdf_stream.h" |
Artem Strygin | eababa1 | 2018-06-06 12:31:18 +0000 | [diff] [blame] | 21 | #include "core/fpdfapi/parser/cpdf_stream_acc.h" |
Lei Zhang | 0ac7b4e | 2020-07-18 00:35:53 +0000 | [diff] [blame] | 22 | #include "core/fpdfapi/render/cpdf_imagerenderer.h" |
| 23 | #include "core/fpdfapi/render/cpdf_rendercontext.h" |
| 24 | #include "core/fpdfapi/render/cpdf_renderstatus.h" |
Tom Sepez | 5ea5fa9 | 2022-03-08 00:15:23 +0000 | [diff] [blame] | 25 | #include "core/fxcrt/stl_util.h" |
Lei Zhang | 0ac7b4e | 2020-07-18 00:35:53 +0000 | [diff] [blame] | 26 | #include "core/fxge/cfx_defaultrenderdevice.h" |
K. Moon | 5281496 | 2023-06-05 22:08:59 +0000 | [diff] [blame] | 27 | #include "core/fxge/dib/cfx_dibitmap.h" |
Dan Sinclair | 7aba472 | 2018-03-28 17:04:16 +0000 | [diff] [blame] | 28 | #include "fpdfsdk/cpdfsdk_customaccess.h" |
Dan Sinclair | 00d47a6 | 2018-03-28 18:39:04 +0000 | [diff] [blame] | 29 | #include "fpdfsdk/cpdfsdk_helpers.h" |
Lei Zhang | 1e1e173 | 2023-09-14 03:33:49 +0000 | [diff] [blame] | 30 | #include "third_party/base/notreached.h" |
John Abd-El-Malek | 3f3b45c | 2014-05-23 17:28:10 -0700 | [diff] [blame] | 31 | |
Lei Zhang | cbd8957 | 2017-03-15 17:35:47 -0700 | [diff] [blame] | 32 | namespace { |
thestig | c54bb43 | 2016-07-29 19:34:20 -0700 | [diff] [blame] | 33 | |
Jane Liu | ca89829 | 2017-08-16 11:25:35 -0400 | [diff] [blame] | 34 | // These checks ensure the consistency of colorspace values across core/ and |
| 35 | // public/. |
Tom Sepez | d30786c | 2021-05-18 23:05:54 +0000 | [diff] [blame] | 36 | static_assert(static_cast<int>(CPDF_ColorSpace::Family::kDeviceGray) == |
| 37 | FPDF_COLORSPACE_DEVICEGRAY, |
| 38 | "kDeviceGray value mismatch"); |
| 39 | static_assert(static_cast<int>(CPDF_ColorSpace::Family::kDeviceRGB) == |
| 40 | FPDF_COLORSPACE_DEVICERGB, |
| 41 | "kDeviceRGB value mismatch"); |
| 42 | static_assert(static_cast<int>(CPDF_ColorSpace::Family::kDeviceCMYK) == |
| 43 | FPDF_COLORSPACE_DEVICECMYK, |
| 44 | "kDeviceCMYK value mismatch"); |
| 45 | static_assert(static_cast<int>(CPDF_ColorSpace::Family::kCalGray) == |
| 46 | FPDF_COLORSPACE_CALGRAY, |
| 47 | "kCalGray value mismatch"); |
| 48 | static_assert(static_cast<int>(CPDF_ColorSpace::Family::kCalRGB) == |
| 49 | FPDF_COLORSPACE_CALRGB, |
| 50 | "kCalRGB value mismatch"); |
| 51 | static_assert(static_cast<int>(CPDF_ColorSpace::Family::kLab) == |
| 52 | FPDF_COLORSPACE_LAB, |
| 53 | "kLab value mismatch"); |
| 54 | static_assert(static_cast<int>(CPDF_ColorSpace::Family::kICCBased) == |
| 55 | FPDF_COLORSPACE_ICCBASED, |
| 56 | "kICCBased value mismatch"); |
| 57 | static_assert(static_cast<int>(CPDF_ColorSpace::Family::kSeparation) == |
| 58 | FPDF_COLORSPACE_SEPARATION, |
| 59 | "kSeparation value mismatch"); |
| 60 | static_assert(static_cast<int>(CPDF_ColorSpace::Family::kDeviceN) == |
| 61 | FPDF_COLORSPACE_DEVICEN, |
| 62 | "kDeviceN value mismatch"); |
| 63 | static_assert(static_cast<int>(CPDF_ColorSpace::Family::kIndexed) == |
| 64 | FPDF_COLORSPACE_INDEXED, |
| 65 | "kIndexed value mismatch"); |
| 66 | static_assert(static_cast<int>(CPDF_ColorSpace::Family::kPattern) == |
| 67 | FPDF_COLORSPACE_PATTERN, |
| 68 | "kPattern value mismatch"); |
Jane Liu | ca89829 | 2017-08-16 11:25:35 -0400 | [diff] [blame] | 69 | |
Dan Sinclair | 7aba472 | 2018-03-28 17:04:16 +0000 | [diff] [blame] | 70 | RetainPtr<IFX_SeekableReadStream> MakeSeekableReadStream( |
| 71 | FPDF_FILEACCESS* pFileAccess) { |
| 72 | return pdfium::MakeRetain<CPDFSDK_CustomAccess>(pFileAccess); |
| 73 | } |
| 74 | |
Lei Zhang | 2237541 | 2018-10-24 17:26:50 +0000 | [diff] [blame] | 75 | CPDF_ImageObject* CPDFImageObjectFromFPDFPageObject( |
| 76 | FPDF_PAGEOBJECT image_object) { |
| 77 | CPDF_PageObject* pPageObject = CPDFPageObjectFromFPDFPageObject(image_object); |
| 78 | return pPageObject ? pPageObject->AsImage() : nullptr; |
| 79 | } |
| 80 | |
Lei Zhang | cbd8957 | 2017-03-15 17:35:47 -0700 | [diff] [blame] | 81 | bool LoadJpegHelper(FPDF_PAGE* pages, |
Lei Zhang | f054289 | 2019-01-17 18:46:27 +0000 | [diff] [blame] | 82 | int count, |
Lei Zhang | cbd8957 | 2017-03-15 17:35:47 -0700 | [diff] [blame] | 83 | FPDF_PAGEOBJECT image_object, |
Lei Zhang | f054289 | 2019-01-17 18:46:27 +0000 | [diff] [blame] | 84 | FPDF_FILEACCESS* file_access, |
| 85 | bool inline_jpeg) { |
Lei Zhang | 2237541 | 2018-10-24 17:26:50 +0000 | [diff] [blame] | 86 | CPDF_ImageObject* pImgObj = CPDFImageObjectFromFPDFPageObject(image_object); |
| 87 | if (!pImgObj) |
tsepez | 4cf5515 | 2016-11-02 14:37:54 -0700 | [diff] [blame] | 88 | return false; |
John Abd-El-Malek | 3f3b45c | 2014-05-23 17:28:10 -0700 | [diff] [blame] | 89 | |
Lei Zhang | f054289 | 2019-01-17 18:46:27 +0000 | [diff] [blame] | 90 | if (!file_access) |
Tom Sepez | 525147a | 2018-05-03 17:19:53 +0000 | [diff] [blame] | 91 | return false; |
Andrew Weintraub | 21f88ff | 2017-05-10 13:19:52 -0400 | [diff] [blame] | 92 | |
| 93 | if (pages) { |
Lei Zhang | f054289 | 2019-01-17 18:46:27 +0000 | [diff] [blame] | 94 | for (int index = 0; index < count; index++) { |
Andrew Weintraub | 21f88ff | 2017-05-10 13:19:52 -0400 | [diff] [blame] | 95 | CPDF_Page* pPage = CPDFPageFromFPDFPage(pages[index]); |
| 96 | if (pPage) |
Lei Zhang | 66601c4 | 2018-10-02 18:58:16 +0000 | [diff] [blame] | 97 | pImgObj->GetImage()->ResetCache(pPage); |
Andrew Weintraub | 21f88ff | 2017-05-10 13:19:52 -0400 | [diff] [blame] | 98 | } |
Nico Weber | 9d8ec5a | 2015-08-04 13:00:21 -0700 | [diff] [blame] | 99 | } |
rbpotter | f085db3 | 2016-12-14 11:44:31 -0800 | [diff] [blame] | 100 | |
Lei Zhang | f054289 | 2019-01-17 18:46:27 +0000 | [diff] [blame] | 101 | RetainPtr<IFX_SeekableReadStream> pFile = MakeSeekableReadStream(file_access); |
| 102 | if (inline_jpeg) |
Tom Sepez | 965b936 | 2022-08-08 17:28:04 +0000 | [diff] [blame] | 103 | pImgObj->GetImage()->SetJpegImageInline(std::move(pFile)); |
rbpotter | f085db3 | 2016-12-14 11:44:31 -0800 | [diff] [blame] | 104 | else |
Tom Sepez | 965b936 | 2022-08-08 17:28:04 +0000 | [diff] [blame] | 105 | pImgObj->GetImage()->SetJpegImage(std::move(pFile)); |
| 106 | |
wileyrya | e858aa4 | 2017-05-31 14:49:05 -0500 | [diff] [blame] | 107 | pImgObj->SetDirty(true); |
tsepez | 4cf5515 | 2016-11-02 14:37:54 -0700 | [diff] [blame] | 108 | return true; |
John Abd-El-Malek | 3f3b45c | 2014-05-23 17:28:10 -0700 | [diff] [blame] | 109 | } |
| 110 | |
Lei Zhang | cbd8957 | 2017-03-15 17:35:47 -0700 | [diff] [blame] | 111 | } // namespace |
| 112 | |
Dan Sinclair | 00d2ad1 | 2017-08-10 14:13:02 -0400 | [diff] [blame] | 113 | FPDF_EXPORT FPDF_PAGEOBJECT FPDF_CALLCONV |
Lei Zhang | cbd8957 | 2017-03-15 17:35:47 -0700 | [diff] [blame] | 114 | FPDFPageObj_NewImageObj(FPDF_DOCUMENT document) { |
| 115 | CPDF_Document* pDoc = CPDFDocumentFromFPDFDocument(document); |
| 116 | if (!pDoc) |
| 117 | return nullptr; |
| 118 | |
Tom Sepez | 5af9543 | 2020-05-15 22:55:16 +0000 | [diff] [blame] | 119 | auto pImageObj = std::make_unique<CPDF_ImageObject>(); |
Tom Sepez | 7d4f6a8 | 2017-03-31 17:10:34 -0700 | [diff] [blame] | 120 | pImageObj->SetImage(pdfium::MakeRetain<CPDF_Image>(pDoc)); |
Tom Sepez | 525147a | 2018-05-03 17:19:53 +0000 | [diff] [blame] | 121 | |
| 122 | // Caller takes ownership. |
| 123 | return FPDFPageObjectFromCPDFPageObject(pImageObj.release()); |
Lei Zhang | cbd8957 | 2017-03-15 17:35:47 -0700 | [diff] [blame] | 124 | } |
| 125 | |
Dan Sinclair | 00d2ad1 | 2017-08-10 14:13:02 -0400 | [diff] [blame] | 126 | FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV |
rbpotter | f085db3 | 2016-12-14 11:44:31 -0800 | [diff] [blame] | 127 | FPDFImageObj_LoadJpegFile(FPDF_PAGE* pages, |
Lei Zhang | f054289 | 2019-01-17 18:46:27 +0000 | [diff] [blame] | 128 | int count, |
rbpotter | f085db3 | 2016-12-14 11:44:31 -0800 | [diff] [blame] | 129 | FPDF_PAGEOBJECT image_object, |
Lei Zhang | f054289 | 2019-01-17 18:46:27 +0000 | [diff] [blame] | 130 | FPDF_FILEACCESS* file_access) { |
| 131 | return LoadJpegHelper(pages, count, image_object, file_access, false); |
rbpotter | f085db3 | 2016-12-14 11:44:31 -0800 | [diff] [blame] | 132 | } |
| 133 | |
Dan Sinclair | 00d2ad1 | 2017-08-10 14:13:02 -0400 | [diff] [blame] | 134 | FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV |
rbpotter | f085db3 | 2016-12-14 11:44:31 -0800 | [diff] [blame] | 135 | FPDFImageObj_LoadJpegFileInline(FPDF_PAGE* pages, |
Lei Zhang | f054289 | 2019-01-17 18:46:27 +0000 | [diff] [blame] | 136 | int count, |
rbpotter | f085db3 | 2016-12-14 11:44:31 -0800 | [diff] [blame] | 137 | FPDF_PAGEOBJECT image_object, |
Lei Zhang | f054289 | 2019-01-17 18:46:27 +0000 | [diff] [blame] | 138 | FPDF_FILEACCESS* file_access) { |
| 139 | return LoadJpegHelper(pages, count, image_object, file_access, true); |
rbpotter | f085db3 | 2016-12-14 11:44:31 -0800 | [diff] [blame] | 140 | } |
| 141 | |
Dan Sinclair | 00d2ad1 | 2017-08-10 14:13:02 -0400 | [diff] [blame] | 142 | FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV |
| 143 | FPDFImageObj_SetMatrix(FPDF_PAGEOBJECT image_object, |
| 144 | double a, |
| 145 | double b, |
| 146 | double c, |
| 147 | double d, |
| 148 | double e, |
| 149 | double f) { |
Lei Zhang | 2237541 | 2018-10-24 17:26:50 +0000 | [diff] [blame] | 150 | CPDF_ImageObject* pImgObj = CPDFImageObjectFromFPDFPageObject(image_object); |
Tom Sepez | 525147a | 2018-05-03 17:19:53 +0000 | [diff] [blame] | 151 | if (!pImgObj) |
| 152 | return false; |
| 153 | |
Lei Zhang | 7dd720e | 2021-06-25 20:15:56 +0000 | [diff] [blame] | 154 | pImgObj->SetImageMatrix(CFX_Matrix( |
| 155 | static_cast<float>(a), static_cast<float>(b), static_cast<float>(c), |
| 156 | static_cast<float>(d), static_cast<float>(e), static_cast<float>(f))); |
wileyrya | e858aa4 | 2017-05-31 14:49:05 -0500 | [diff] [blame] | 157 | pImgObj->SetDirty(true); |
tsepez | 4cf5515 | 2016-11-02 14:37:54 -0700 | [diff] [blame] | 158 | return true; |
John Abd-El-Malek | 3f3b45c | 2014-05-23 17:28:10 -0700 | [diff] [blame] | 159 | } |
| 160 | |
Dan Sinclair | 00d2ad1 | 2017-08-10 14:13:02 -0400 | [diff] [blame] | 161 | FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV |
| 162 | FPDFImageObj_SetBitmap(FPDF_PAGE* pages, |
Lei Zhang | f054289 | 2019-01-17 18:46:27 +0000 | [diff] [blame] | 163 | int count, |
Dan Sinclair | 00d2ad1 | 2017-08-10 14:13:02 -0400 | [diff] [blame] | 164 | FPDF_PAGEOBJECT image_object, |
| 165 | FPDF_BITMAP bitmap) { |
Lei Zhang | 2237541 | 2018-10-24 17:26:50 +0000 | [diff] [blame] | 166 | CPDF_ImageObject* pImgObj = CPDFImageObjectFromFPDFPageObject(image_object); |
Tom Sepez | 525147a | 2018-05-03 17:19:53 +0000 | [diff] [blame] | 167 | if (!pImgObj) |
| 168 | return false; |
| 169 | |
Lei Zhang | 2237541 | 2018-10-24 17:26:50 +0000 | [diff] [blame] | 170 | if (!bitmap) |
| 171 | return false; |
| 172 | |
Lei Zhang | d19dc58 | 2019-01-17 18:47:38 +0000 | [diff] [blame] | 173 | if (pages) { |
| 174 | for (int index = 0; index < count; index++) { |
| 175 | CPDF_Page* pPage = CPDFPageFromFPDFPage(pages[index]); |
| 176 | if (pPage) |
| 177 | pImgObj->GetImage()->ResetCache(pPage); |
| 178 | } |
Nico Weber | 9d8ec5a | 2015-08-04 13:00:21 -0700 | [diff] [blame] | 179 | } |
Lei Zhang | d19dc58 | 2019-01-17 18:47:38 +0000 | [diff] [blame] | 180 | |
Tom Sepez | 525147a | 2018-05-03 17:19:53 +0000 | [diff] [blame] | 181 | RetainPtr<CFX_DIBitmap> holder(CFXDIBitmapFromFPDFBitmap(bitmap)); |
Tom Sepez | f0799fe | 2017-03-28 09:31:32 -0700 | [diff] [blame] | 182 | pImgObj->GetImage()->SetImage(holder); |
Nico Weber | 9d8ec5a | 2015-08-04 13:00:21 -0700 | [diff] [blame] | 183 | pImgObj->CalcBoundingBox(); |
wileyrya | e858aa4 | 2017-05-31 14:49:05 -0500 | [diff] [blame] | 184 | pImgObj->SetDirty(true); |
tsepez | 4cf5515 | 2016-11-02 14:37:54 -0700 | [diff] [blame] | 185 | return true; |
John Abd-El-Malek | 3f3b45c | 2014-05-23 17:28:10 -0700 | [diff] [blame] | 186 | } |
Jane Liu | 28fb7ba | 2017-08-02 21:45:57 -0400 | [diff] [blame] | 187 | |
Dan Sinclair | 00d2ad1 | 2017-08-10 14:13:02 -0400 | [diff] [blame] | 188 | FPDF_EXPORT FPDF_BITMAP FPDF_CALLCONV |
Jane Liu | 28fb7ba | 2017-08-02 21:45:57 -0400 | [diff] [blame] | 189 | FPDFImageObj_GetBitmap(FPDF_PAGEOBJECT image_object) { |
Lei Zhang | 2237541 | 2018-10-24 17:26:50 +0000 | [diff] [blame] | 190 | CPDF_ImageObject* pImgObj = CPDFImageObjectFromFPDFPageObject(image_object); |
| 191 | if (!pImgObj) |
Jane Liu | 28fb7ba | 2017-08-02 21:45:57 -0400 | [diff] [blame] | 192 | return nullptr; |
| 193 | |
Lei Zhang | 2237541 | 2018-10-24 17:26:50 +0000 | [diff] [blame] | 194 | RetainPtr<CPDF_Image> pImg = pImgObj->GetImage(); |
Jane Liu | 28fb7ba | 2017-08-02 21:45:57 -0400 | [diff] [blame] | 195 | if (!pImg) |
| 196 | return nullptr; |
| 197 | |
Tom Sepez | e6ff2eb | 2018-08-24 21:55:46 +0000 | [diff] [blame] | 198 | RetainPtr<CFX_DIBBase> pSource = pImg->LoadDIBBase(); |
Jane Liu | 28fb7ba | 2017-08-02 21:45:57 -0400 | [diff] [blame] | 199 | if (!pSource) |
| 200 | return nullptr; |
| 201 | |
Lei Zhang | 1e1e173 | 2023-09-14 03:33:49 +0000 | [diff] [blame] | 202 | // If the source image has a representation of 1 bit per pixel, or if the |
Lei Zhang | b5bc2e9 | 2023-09-18 21:25:39 +0000 | [diff] [blame] | 203 | // source image has a color palette, convert it to a representation that does |
| 204 | // not have a color palette, as there is no public API to access the palette. |
Lei Zhang | 1e1e173 | 2023-09-14 03:33:49 +0000 | [diff] [blame] | 205 | // |
| 206 | // Otherwise, convert the source image to a bitmap directly, |
Jane Liu | 28fb7ba | 2017-08-02 21:45:57 -0400 | [diff] [blame] | 207 | // retaining its color representation. |
Lei Zhang | 1e1e173 | 2023-09-14 03:33:49 +0000 | [diff] [blame] | 208 | // |
| 209 | // Only return FPDF_BITMAPs in formats that FPDFBitmap_CreateEx() would |
| 210 | // return. |
Lei Zhang | b5bc2e9 | 2023-09-18 21:25:39 +0000 | [diff] [blame] | 211 | enum class ConversionOp { |
| 212 | kRealize, |
| 213 | kConvertTo8bppRgb, |
| 214 | kConvertToRgb, |
| 215 | }; |
| 216 | |
| 217 | ConversionOp op; |
Lei Zhang | 1e1e173 | 2023-09-14 03:33:49 +0000 | [diff] [blame] | 218 | switch (pSource->GetFormat()) { |
| 219 | case FXDIB_Format::k1bppMask: |
Lei Zhang | 1e1e173 | 2023-09-14 03:33:49 +0000 | [diff] [blame] | 220 | case FXDIB_Format::k8bppMask: |
Lei Zhang | b5bc2e9 | 2023-09-18 21:25:39 +0000 | [diff] [blame] | 221 | // Masks do not have palettes, so they can be safely converted to |
| 222 | // `FXDIB_Format::k8bppRgb`. |
| 223 | CHECK(!pSource->HasPalette()); |
| 224 | op = ConversionOp::kConvertTo8bppRgb; |
| 225 | break; |
| 226 | case FXDIB_Format::k1bppRgb: |
| 227 | // If there is a palette, then convert to `FXDIB_Format::kRgb` to avoid |
| 228 | // creating a bitmap with a palette. |
| 229 | op = pSource->HasPalette() ? ConversionOp::kConvertToRgb |
| 230 | : ConversionOp::kConvertTo8bppRgb; |
| 231 | break; |
Lei Zhang | 1e1e173 | 2023-09-14 03:33:49 +0000 | [diff] [blame] | 232 | case FXDIB_Format::k8bppRgb: |
Lei Zhang | b5bc2e9 | 2023-09-18 21:25:39 +0000 | [diff] [blame] | 233 | // If there is a palette, then convert to `FXDIB_Format::kRgb` to avoid |
| 234 | // creating a bitmap with a palette. |
| 235 | op = pSource->HasPalette() ? ConversionOp::kConvertToRgb |
| 236 | : ConversionOp::kRealize; |
Lei Zhang | 1e1e173 | 2023-09-14 03:33:49 +0000 | [diff] [blame] | 237 | break; |
| 238 | |
| 239 | case FXDIB_Format::kArgb: |
| 240 | case FXDIB_Format::kRgb: |
| 241 | case FXDIB_Format::kRgb32: |
Lei Zhang | b5bc2e9 | 2023-09-18 21:25:39 +0000 | [diff] [blame] | 242 | CHECK(!pSource->HasPalette()); |
| 243 | op = ConversionOp::kRealize; |
Lei Zhang | 1e1e173 | 2023-09-14 03:33:49 +0000 | [diff] [blame] | 244 | break; |
| 245 | |
| 246 | case FXDIB_Format::kInvalid: { |
| 247 | NOTREACHED_NORETURN(); |
| 248 | } |
| 249 | } |
Jane Liu | 28fb7ba | 2017-08-02 21:45:57 -0400 | [diff] [blame] | 250 | |
Lei Zhang | b5bc2e9 | 2023-09-18 21:25:39 +0000 | [diff] [blame] | 251 | RetainPtr<CFX_DIBitmap> pBitmap; |
| 252 | switch (op) { |
| 253 | case ConversionOp::kRealize: |
| 254 | pBitmap = pSource->Realize(); |
| 255 | break; |
| 256 | case ConversionOp::kConvertTo8bppRgb: |
| 257 | pBitmap = pSource->ConvertTo(FXDIB_Format::k8bppRgb); |
| 258 | break; |
| 259 | case ConversionOp::kConvertToRgb: |
| 260 | pBitmap = pSource->ConvertTo(FXDIB_Format::kRgb); |
| 261 | break; |
| 262 | } |
| 263 | if (pBitmap) { |
| 264 | CHECK(!pBitmap->HasPalette()); |
| 265 | } |
| 266 | |
Tom Sepez | 525147a | 2018-05-03 17:19:53 +0000 | [diff] [blame] | 267 | return FPDFBitmapFromCFXDIBitmap(pBitmap.Leak()); |
Jane Liu | 28fb7ba | 2017-08-02 21:45:57 -0400 | [diff] [blame] | 268 | } |
Jane Liu | 548334e | 2017-08-03 16:33:40 -0400 | [diff] [blame] | 269 | |
Lei Zhang | 0ac7b4e | 2020-07-18 00:35:53 +0000 | [diff] [blame] | 270 | FPDF_EXPORT FPDF_BITMAP FPDF_CALLCONV |
| 271 | FPDFImageObj_GetRenderedBitmap(FPDF_DOCUMENT document, |
| 272 | FPDF_PAGE page, |
| 273 | FPDF_PAGEOBJECT image_object) { |
| 274 | CPDF_Document* doc = CPDFDocumentFromFPDFDocument(document); |
| 275 | if (!doc) |
| 276 | return nullptr; |
| 277 | |
| 278 | CPDF_Page* optional_page = CPDFPageFromFPDFPage(page); |
| 279 | if (optional_page && optional_page->GetDocument() != doc) |
| 280 | return nullptr; |
| 281 | |
| 282 | CPDF_ImageObject* image = CPDFImageObjectFromFPDFPageObject(image_object); |
| 283 | if (!image) |
| 284 | return nullptr; |
| 285 | |
| 286 | // Create |result_bitmap|. |
| 287 | const CFX_Matrix& image_matrix = image->matrix(); |
| 288 | int output_width = image_matrix.a; |
| 289 | int output_height = image_matrix.d; |
| 290 | auto result_bitmap = pdfium::MakeRetain<CFX_DIBitmap>(); |
Tom Sepez | 26813ad | 2020-10-20 17:37:43 +0000 | [diff] [blame] | 291 | if (!result_bitmap->Create(output_width, output_height, FXDIB_Format::kArgb)) |
Lei Zhang | 0ac7b4e | 2020-07-18 00:35:53 +0000 | [diff] [blame] | 292 | return nullptr; |
| 293 | |
| 294 | // Set up all the rendering code. |
Tom Sepez | a22da90 | 2022-06-30 18:08:32 +0000 | [diff] [blame] | 295 | RetainPtr<CPDF_Dictionary> page_resources = |
| 296 | optional_page ? optional_page->GetMutablePageResources() : nullptr; |
Tom Sepez | e282b0f | 2022-09-30 19:37:29 +0000 | [diff] [blame] | 297 | CPDF_RenderContext context(doc, std::move(page_resources), |
| 298 | /*pPageCache=*/nullptr); |
Lei Zhang | 0ac7b4e | 2020-07-18 00:35:53 +0000 | [diff] [blame] | 299 | CFX_DefaultRenderDevice device; |
Lei Zhang | e381fe9 | 2022-07-08 21:53:54 +0000 | [diff] [blame] | 300 | device.Attach(result_bitmap); |
Lei Zhang | 0ac7b4e | 2020-07-18 00:35:53 +0000 | [diff] [blame] | 301 | CPDF_RenderStatus status(&context, &device); |
Tom Sepez | bf57f85 | 2022-07-26 18:33:34 +0000 | [diff] [blame] | 302 | CPDF_ImageRenderer renderer(&status); |
Lei Zhang | 0ac7b4e | 2020-07-18 00:35:53 +0000 | [diff] [blame] | 303 | |
| 304 | // Need to first flip the image, as expected by |renderer|. |
| 305 | CFX_Matrix render_matrix(1, 0, 0, -1, 0, output_height); |
| 306 | |
| 307 | // Then take |image_matrix|'s offset into account. |
| 308 | render_matrix.Translate(-image_matrix.e, image_matrix.f); |
| 309 | |
| 310 | // Do the actual rendering. |
Tom Sepez | bf57f85 | 2022-07-26 18:33:34 +0000 | [diff] [blame] | 311 | bool should_continue = renderer.Start(image, render_matrix, |
Lei Zhang | 0ac7b4e | 2020-07-18 00:35:53 +0000 | [diff] [blame] | 312 | /*bStdCS=*/false, BlendMode::kNormal); |
| 313 | while (should_continue) |
| 314 | should_continue = renderer.Continue(/*pPause=*/nullptr); |
| 315 | |
| 316 | if (!renderer.GetResult()) |
| 317 | return nullptr; |
| 318 | |
Lei Zhang | b26a110 | 2023-12-16 00:04:05 +0000 | [diff] [blame] | 319 | #if defined(PDF_USE_SKIA) |
Lei Zhang | 334a9ca | 2023-10-24 17:47:10 +0000 | [diff] [blame] | 320 | if (CFX_DefaultRenderDevice::UseSkiaRenderer()) { |
Alan Screen | e44f167 | 2022-09-15 20:09:43 +0000 | [diff] [blame] | 321 | result_bitmap->UnPreMultiply(); |
Lei Zhang | 334a9ca | 2023-10-24 17:47:10 +0000 | [diff] [blame] | 322 | } |
Hui Yingst | 2a9c98c | 2022-08-26 20:27:23 +0000 | [diff] [blame] | 323 | #endif |
| 324 | |
Lei Zhang | 0ac7b4e | 2020-07-18 00:35:53 +0000 | [diff] [blame] | 325 | // Caller takes ownership. |
| 326 | return FPDFBitmapFromCFXDIBitmap(result_bitmap.Leak()); |
| 327 | } |
| 328 | |
Dan Sinclair | 00d2ad1 | 2017-08-10 14:13:02 -0400 | [diff] [blame] | 329 | FPDF_EXPORT unsigned long FPDF_CALLCONV |
Jane Liu | 548334e | 2017-08-03 16:33:40 -0400 | [diff] [blame] | 330 | FPDFImageObj_GetImageDataDecoded(FPDF_PAGEOBJECT image_object, |
| 331 | void* buffer, |
| 332 | unsigned long buflen) { |
Lei Zhang | 2237541 | 2018-10-24 17:26:50 +0000 | [diff] [blame] | 333 | CPDF_ImageObject* pImgObj = CPDFImageObjectFromFPDFPageObject(image_object); |
| 334 | if (!pImgObj) |
Jane Liu | 548334e | 2017-08-03 16:33:40 -0400 | [diff] [blame] | 335 | return 0; |
| 336 | |
Lei Zhang | 2237541 | 2018-10-24 17:26:50 +0000 | [diff] [blame] | 337 | RetainPtr<CPDF_Image> pImg = pImgObj->GetImage(); |
Jane Liu | 548334e | 2017-08-03 16:33:40 -0400 | [diff] [blame] | 338 | if (!pImg) |
| 339 | return 0; |
| 340 | |
Tom Sepez | bb04074 | 2022-09-28 16:33:34 +0000 | [diff] [blame] | 341 | RetainPtr<const CPDF_Stream> pImgStream = pImg->GetStream(); |
Jane Liu | 548334e | 2017-08-03 16:33:40 -0400 | [diff] [blame] | 342 | if (!pImgStream) |
| 343 | return 0; |
| 344 | |
Tom Sepez | 06943a9 | 2022-11-10 20:29:34 +0000 | [diff] [blame] | 345 | return DecodeStreamMaybeCopyAndReturnLength( |
| 346 | std::move(pImgStream), |
| 347 | {static_cast<uint8_t*>(buffer), static_cast<size_t>(buflen)}); |
Jane Liu | 548334e | 2017-08-03 16:33:40 -0400 | [diff] [blame] | 348 | } |
| 349 | |
Dan Sinclair | 00d2ad1 | 2017-08-10 14:13:02 -0400 | [diff] [blame] | 350 | FPDF_EXPORT unsigned long FPDF_CALLCONV |
Jane Liu | 548334e | 2017-08-03 16:33:40 -0400 | [diff] [blame] | 351 | FPDFImageObj_GetImageDataRaw(FPDF_PAGEOBJECT image_object, |
| 352 | void* buffer, |
| 353 | unsigned long buflen) { |
Lei Zhang | 2237541 | 2018-10-24 17:26:50 +0000 | [diff] [blame] | 354 | CPDF_ImageObject* pImgObj = CPDFImageObjectFromFPDFPageObject(image_object); |
| 355 | if (!pImgObj) |
Jane Liu | 548334e | 2017-08-03 16:33:40 -0400 | [diff] [blame] | 356 | return 0; |
| 357 | |
Lei Zhang | 2237541 | 2018-10-24 17:26:50 +0000 | [diff] [blame] | 358 | RetainPtr<CPDF_Image> pImg = pImgObj->GetImage(); |
Jane Liu | 548334e | 2017-08-03 16:33:40 -0400 | [diff] [blame] | 359 | if (!pImg) |
| 360 | return 0; |
| 361 | |
Tom Sepez | bb04074 | 2022-09-28 16:33:34 +0000 | [diff] [blame] | 362 | RetainPtr<const CPDF_Stream> pImgStream = pImg->GetStream(); |
Jane Liu | 548334e | 2017-08-03 16:33:40 -0400 | [diff] [blame] | 363 | if (!pImgStream) |
| 364 | return 0; |
| 365 | |
Tom Sepez | 06943a9 | 2022-11-10 20:29:34 +0000 | [diff] [blame] | 366 | return GetRawStreamMaybeCopyAndReturnLength( |
| 367 | std::move(pImgStream), |
| 368 | {static_cast<uint8_t*>(buffer), static_cast<size_t>(buflen)}); |
Jane Liu | 548334e | 2017-08-03 16:33:40 -0400 | [diff] [blame] | 369 | } |
Jane Liu | be63ab9 | 2017-08-09 14:09:34 -0400 | [diff] [blame] | 370 | |
Dan Sinclair | 00d2ad1 | 2017-08-10 14:13:02 -0400 | [diff] [blame] | 371 | FPDF_EXPORT int FPDF_CALLCONV |
Jane Liu | be63ab9 | 2017-08-09 14:09:34 -0400 | [diff] [blame] | 372 | FPDFImageObj_GetImageFilterCount(FPDF_PAGEOBJECT image_object) { |
Lei Zhang | 2237541 | 2018-10-24 17:26:50 +0000 | [diff] [blame] | 373 | CPDF_ImageObject* pImgObj = CPDFImageObjectFromFPDFPageObject(image_object); |
| 374 | if (!pImgObj) |
Jane Liu | be63ab9 | 2017-08-09 14:09:34 -0400 | [diff] [blame] | 375 | return 0; |
| 376 | |
Lei Zhang | 2237541 | 2018-10-24 17:26:50 +0000 | [diff] [blame] | 377 | RetainPtr<CPDF_Image> pImg = pImgObj->GetImage(); |
Jane Liu | be63ab9 | 2017-08-09 14:09:34 -0400 | [diff] [blame] | 378 | if (!pImg) |
| 379 | return 0; |
| 380 | |
Tom Sepez | 8a185fa | 2022-09-26 18:33:13 +0000 | [diff] [blame] | 381 | RetainPtr<const CPDF_Dictionary> pDict = pImg->GetDict(); |
Tom Sepez | e0dcb6b | 2022-09-08 00:29:53 +0000 | [diff] [blame] | 382 | if (!pDict) |
| 383 | return 0; |
| 384 | |
| 385 | RetainPtr<const CPDF_Object> pFilter = pDict->GetDirectObjectFor("Filter"); |
Jane Liu | be63ab9 | 2017-08-09 14:09:34 -0400 | [diff] [blame] | 386 | if (!pFilter) |
| 387 | return 0; |
| 388 | |
| 389 | if (pFilter->IsArray()) |
Tom Sepez | 5ea5fa9 | 2022-03-08 00:15:23 +0000 | [diff] [blame] | 390 | return fxcrt::CollectionSize<int>(*pFilter->AsArray()); |
| 391 | |
Jane Liu | be63ab9 | 2017-08-09 14:09:34 -0400 | [diff] [blame] | 392 | if (pFilter->IsName()) |
| 393 | return 1; |
| 394 | |
| 395 | return 0; |
| 396 | } |
| 397 | |
Dan Sinclair | 00d2ad1 | 2017-08-10 14:13:02 -0400 | [diff] [blame] | 398 | FPDF_EXPORT unsigned long FPDF_CALLCONV |
Jane Liu | be63ab9 | 2017-08-09 14:09:34 -0400 | [diff] [blame] | 399 | FPDFImageObj_GetImageFilter(FPDF_PAGEOBJECT image_object, |
| 400 | int index, |
| 401 | void* buffer, |
| 402 | unsigned long buflen) { |
| 403 | if (index < 0 || index >= FPDFImageObj_GetImageFilterCount(image_object)) |
| 404 | return 0; |
| 405 | |
| 406 | CPDF_PageObject* pObj = CPDFPageObjectFromFPDFPageObject(image_object); |
Tom Sepez | 8a185fa | 2022-09-26 18:33:13 +0000 | [diff] [blame] | 407 | RetainPtr<const CPDF_Dictionary> pDict = |
| 408 | pObj->AsImage()->GetImage()->GetDict(); |
Tom Sepez | e0dcb6b | 2022-09-08 00:29:53 +0000 | [diff] [blame] | 409 | RetainPtr<const CPDF_Object> pFilter = pDict->GetDirectObjectFor("Filter"); |
Tom Sepez | 773310d | 2022-06-24 22:13:38 +0000 | [diff] [blame] | 410 | ByteString bsFilter = pFilter->IsName() |
| 411 | ? pFilter->AsName()->GetString() |
Tom Sepez | 5690247 | 2022-09-14 21:37:14 +0000 | [diff] [blame] | 412 | : pFilter->AsArray()->GetByteStringAt(index); |
Jane Liu | be63ab9 | 2017-08-09 14:09:34 -0400 | [diff] [blame] | 413 | |
Daniel Hosseinian | 5bc1f98 | 2020-04-14 01:05:27 +0000 | [diff] [blame] | 414 | return NulTerminateMaybeCopyAndReturnLength(bsFilter, buffer, buflen); |
Jane Liu | be63ab9 | 2017-08-09 14:09:34 -0400 | [diff] [blame] | 415 | } |
Jane Liu | ca89829 | 2017-08-16 11:25:35 -0400 | [diff] [blame] | 416 | |
| 417 | FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV |
| 418 | FPDFImageObj_GetImageMetadata(FPDF_PAGEOBJECT image_object, |
| 419 | FPDF_PAGE page, |
| 420 | FPDF_IMAGEOBJ_METADATA* metadata) { |
Lei Zhang | 2237541 | 2018-10-24 17:26:50 +0000 | [diff] [blame] | 421 | CPDF_ImageObject* pImgObj = CPDFImageObjectFromFPDFPageObject(image_object); |
| 422 | if (!pImgObj || !metadata) |
Jane Liu | ca89829 | 2017-08-16 11:25:35 -0400 | [diff] [blame] | 423 | return false; |
| 424 | |
Lei Zhang | 2237541 | 2018-10-24 17:26:50 +0000 | [diff] [blame] | 425 | RetainPtr<CPDF_Image> pImg = pImgObj->GetImage(); |
Jane Liu | ca89829 | 2017-08-16 11:25:35 -0400 | [diff] [blame] | 426 | if (!pImg) |
| 427 | return false; |
| 428 | |
Tom Sepez | 6eb915b | 2021-04-30 00:11:34 +0000 | [diff] [blame] | 429 | metadata->marked_content_id = |
| 430 | pImgObj->GetContentMarks()->GetMarkedContentID(); |
Julian Lunger | ecd063e | 2017-12-27 10:18:50 -0500 | [diff] [blame] | 431 | |
Jane Liu | ca89829 | 2017-08-16 11:25:35 -0400 | [diff] [blame] | 432 | const int nPixelWidth = pImg->GetPixelWidth(); |
| 433 | const int nPixelHeight = pImg->GetPixelHeight(); |
| 434 | metadata->width = nPixelWidth; |
| 435 | metadata->height = nPixelHeight; |
| 436 | |
Lei Zhang | 2237541 | 2018-10-24 17:26:50 +0000 | [diff] [blame] | 437 | const float nWidth = pImgObj->GetRect().Width(); |
| 438 | const float nHeight = pImgObj->GetRect().Height(); |
Jane Liu | ca89829 | 2017-08-16 11:25:35 -0400 | [diff] [blame] | 439 | constexpr int nPointsPerInch = 72; |
| 440 | if (nWidth != 0 && nHeight != 0) { |
| 441 | metadata->horizontal_dpi = nPixelWidth / nWidth * nPointsPerInch; |
| 442 | metadata->vertical_dpi = nPixelHeight / nHeight * nPointsPerInch; |
| 443 | } |
| 444 | |
| 445 | metadata->bits_per_pixel = 0; |
| 446 | metadata->colorspace = FPDF_COLORSPACE_UNKNOWN; |
| 447 | |
| 448 | CPDF_Page* pPage = CPDFPageFromFPDFPage(page); |
Lei Zhang | 8f63763 | 2018-05-07 23:36:26 +0000 | [diff] [blame] | 449 | if (!pPage || !pPage->GetDocument() || !pImg->GetStream()) |
Jane Liu | ca89829 | 2017-08-16 11:25:35 -0400 | [diff] [blame] | 450 | return true; |
| 451 | |
Tom Sepez | 6bc9ee5 | 2022-08-11 18:13:09 +0000 | [diff] [blame] | 452 | // A cross-document image may have come from the embedder. |
| 453 | if (pPage->GetDocument() != pImg->GetDocument()) |
| 454 | return false; |
| 455 | |
| 456 | RetainPtr<CPDF_DIB> pSource = pImg->CreateNewDIB(); |
Tom Sepez | d7fa6a4 | 2022-04-06 20:50:00 +0000 | [diff] [blame] | 457 | CPDF_DIB::LoadState ret = pSource->StartLoadDIBBase( |
Tom Sepez | 4ede079 | 2022-10-07 20:25:36 +0000 | [diff] [blame] | 458 | false, nullptr, pPage->GetPageResources().Get(), false, |
fineaskotnikov | 231e7e1 | 2022-10-28 20:23:20 +0000 | [diff] [blame] | 459 | CPDF_ColorSpace::Family::kUnknown, false, {0, 0}); |
Lei Zhang | 87c415a | 2020-01-14 19:54:36 +0000 | [diff] [blame] | 460 | if (ret == CPDF_DIB::LoadState::kFail) |
Jane Liu | ca89829 | 2017-08-16 11:25:35 -0400 | [diff] [blame] | 461 | return true; |
Jane Liu | ca89829 | 2017-08-16 11:25:35 -0400 | [diff] [blame] | 462 | |
| 463 | metadata->bits_per_pixel = pSource->GetBPP(); |
Tom Sepez | d30786c | 2021-05-18 23:05:54 +0000 | [diff] [blame] | 464 | if (pSource->GetColorSpace()) { |
| 465 | metadata->colorspace = |
| 466 | static_cast<int>(pSource->GetColorSpace()->GetFamily()); |
| 467 | } |
Jane Liu | ca89829 | 2017-08-16 11:25:35 -0400 | [diff] [blame] | 468 | return true; |
| 469 | } |
fineaskotnikov | 379bfc9 | 2023-04-20 20:20:24 +0000 | [diff] [blame] | 470 | |
| 471 | FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV |
| 472 | FPDFImageObj_GetImagePixelSize(FPDF_PAGEOBJECT image_object, |
| 473 | unsigned int* width, |
| 474 | unsigned int* height) { |
| 475 | CPDF_ImageObject* pImgObj = CPDFImageObjectFromFPDFPageObject(image_object); |
| 476 | if (!pImgObj || !width || !height) { |
| 477 | return false; |
| 478 | } |
| 479 | |
| 480 | RetainPtr<CPDF_Image> pImg = pImgObj->GetImage(); |
| 481 | if (!pImg) { |
| 482 | return false; |
| 483 | } |
| 484 | |
| 485 | *width = pImg->GetPixelWidth(); |
| 486 | *height = pImg->GetPixelHeight(); |
| 487 | return true; |
| 488 | } |