Create a standalone pdfium build.

I moved pdfium_test from chromium's repo to pdfium's. It's now buildable as a sample following the instructions on the wiki.

1 files changed, 309 insertions, 0 deletions

diff --git a/samples/pdfium_test.cc b/samples/pdfium_test.cc
new file mode 100644
index 0000000000..67c15e0ea5
--- /dev/null
+++ b/samples/pdfium_test.cc
@@ -0,0 +1,309 @@
+// Copyright (c) 2010 The Chromium 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 <limits.h>

+#include <stdio.h>

+#include <stdlib.h>

+#include <string.h>

+

+#include <list>

+#include <string>

+#include <utility>

+

+#include "fpdfsdk/include/fpdf_dataavail.h"

+#include "fpdfsdk/include/fpdf_ext.h"

+#include "fpdfsdk/include/fpdfformfill.h"

+#include "fpdfsdk/include/fpdftext.h"

+#include "fpdfsdk/include/fpdfview.h"

+#include "v8/include/v8.h"

+

+#ifdef _WIN32

+  #define snprintf _snprintf

+  /* in Windows, rb for open and read binary file */

+  #define FOPEN_READ "rb"

+#else

+  #define FOPEN_READ "r"

+#endif

+

+static void WritePpm(const char* pdf_name, int num,

+                     const char* buffer, int stride, int width, int height) {

+  if (stride < 0 || width < 0 || height < 0)

+    return;

+  if (height > 0 && width > INT_MAX / height)

+    return;

+  int out_len = width * height;

+  if (out_len > INT_MAX / 3)

+    return;

+  out_len *= 3;

+

+  char filename[256];

+  snprintf(filename, sizeof(filename), "%s.%d.ppm", pdf_name, num);

+  FILE* fp = fopen(filename, "w");

+  if (!fp)

+    return;

+  fprintf(fp, "P6\n# PDF test render\n%d %d\n255\n", width, height);

+  // Source data is B, G, R, unused.

+  // Dest data is R, G, B.

+  char* result = new char[out_len];

+  if (result) {

+    for (int h = 0; h < height; ++h) {

+      const char* src_line = buffer + (stride * h);

+      char* dest_line = result + (width * h * 3);

+      for (int w = 0; w < width; ++w) {

+        // R

+        dest_line[w * 3] = src_line[(w * 4) + 2];

+        // G

+        dest_line[(w * 3) + 1] = src_line[(w * 4) + 1];

+        // B

+        dest_line[(w * 3) + 2] = src_line[w * 4];

+      }

+    }

+    fwrite(result, out_len, 1, fp);

+    delete [] result;

+  }

+  fclose(fp);

+}

+

+int Form_Alert(IPDF_JSPLATFORM*, FPDF_WIDESTRING, FPDF_WIDESTRING, int, int) {

+  printf("Form_Alert called.\n");

+  return 0;

+}

+

+void Unsupported_Handler(UNSUPPORT_INFO*, int type) {

+  std::string feature = "Unknown";

+  switch (type) {

+    case FPDF_UNSP_DOC_XFAFORM:

+      feature = "XFA";

+      break;

+    case FPDF_UNSP_DOC_PORTABLECOLLECTION:

+      feature = "Portfolios_Packages";

+      break;

+    case FPDF_UNSP_DOC_ATTACHMENT:

+    case FPDF_UNSP_ANNOT_ATTACHMENT:

+      feature = "Attachment";

+      break;

+    case FPDF_UNSP_DOC_SECURITY:

+      feature = "Rights_Management";

+      break;

+    case FPDF_UNSP_DOC_SHAREDREVIEW:

+      feature = "Shared_Review";

+      break;

+    case FPDF_UNSP_DOC_SHAREDFORM_ACROBAT:

+    case FPDF_UNSP_DOC_SHAREDFORM_FILESYSTEM:

+    case FPDF_UNSP_DOC_SHAREDFORM_EMAIL:

+      feature = "Shared_Form";

+      break;

+    case FPDF_UNSP_ANNOT_3DANNOT:

+      feature = "3D";

+      break;

+    case FPDF_UNSP_ANNOT_MOVIE:

+      feature = "Movie";

+      break;

+    case FPDF_UNSP_ANNOT_SOUND:

+      feature = "Sound";

+      break;

+    case FPDF_UNSP_ANNOT_SCREEN_MEDIA:

+    case FPDF_UNSP_ANNOT_SCREEN_RICHMEDIA:

+      feature = "Screen";

+      break;

+    case FPDF_UNSP_ANNOT_SIG:

+      feature = "Digital_Signature";

+      break;

+  }

+  printf("Unsupported feature: %s.\n", feature.c_str());

+}

+

+bool ParseCommandLine(int argc, const char* argv[], bool* write_images,

+                      std::list<const char*>* files) {

+  *write_images = false;

+  files->clear();

+

+  int cur_arg = 1;

+  if (cur_arg < argc &&

+      strcmp(argv[cur_arg], "--write_images") == 0) {

+    *write_images = true;

+    cur_arg++;

+  }

+

+  if (cur_arg >= argc)

+    return false;

+

+  for (int i = cur_arg; i < argc; i++)

+    files->push_back(argv[i]);

+

+  return true;

+}

+

+class TestLoader {

+ public:

+  TestLoader(const char* pBuf, size_t len);

+

+  const char* m_pBuf;

+  size_t m_Len;

+};

+

+TestLoader::TestLoader(const char* pBuf, size_t len)

+    : m_pBuf(pBuf), m_Len(len) {

+}

+

+int Get_Block(void* param, unsigned long pos, unsigned char* pBuf,

+              unsigned long size) {

+  TestLoader* pLoader = (TestLoader*) param;

+  if (pos + size < pos || pos + size > pLoader->m_Len) return 0;

+  memcpy(pBuf, pLoader->m_pBuf + pos, size);

+  return 1;

+}

+

+bool Is_Data_Avail(FX_FILEAVAIL* pThis, size_t offset, size_t size) {

+  return true;

+}

+

+void Add_Segment(FX_DOWNLOADHINTS* pThis, size_t offset, size_t size) {

+}

+

+void RenderPdf(const char* name, const char* pBuf, size_t len,

+               bool write_images) {

+  printf("Rendering PDF file %s.\n", name);

+

+  IPDF_JSPLATFORM platform_callbacks;

+  memset(&platform_callbacks, '\0', sizeof(platform_callbacks));

+  platform_callbacks.version = 1;

+  platform_callbacks.app_alert = Form_Alert;

+

+  FPDF_FORMFILLINFO form_callbacks;

+  memset(&form_callbacks, '\0', sizeof(form_callbacks));

+  form_callbacks.version = 1;

+  form_callbacks.m_pJsPlatform = &platform_callbacks;

+

+  TestLoader loader(pBuf, len);

+

+  FPDF_FILEACCESS file_access;

+  memset(&file_access, '\0', sizeof(file_access));

+  file_access.m_FileLen = len;

+  file_access.m_GetBlock = Get_Block;

+  file_access.m_Param = &loader;

+

+  FX_FILEAVAIL file_avail;

+  memset(&file_avail, '\0', sizeof(file_avail));

+  file_avail.version = 1;

+  file_avail.IsDataAvail = Is_Data_Avail;

+

+  FX_DOWNLOADHINTS hints;

+  memset(&hints, '\0', sizeof(hints));

+  hints.version = 1;

+  hints.AddSegment = Add_Segment;

+

+  FPDF_DOCUMENT doc;

+  FPDF_AVAIL pdf_avail = FPDFAvail_Create(&file_avail, &file_access);

+

+  (void) FPDFAvail_IsDocAvail(pdf_avail, &hints);

+

+  if (!FPDFAvail_IsLinearized(pdf_avail)) {

+    printf("Non-linearized path...\n");

+    doc = FPDF_LoadCustomDocument(&file_access, NULL);

+  } else {

+    printf("Linearized path...\n");

+    doc = FPDFAvail_GetDocument(pdf_avail, NULL);

+  }

+

+  (void) FPDF_GetDocPermissions(doc);

+  (void) FPDFAvail_IsFormAvail(pdf_avail, &hints);

+

+  FPDF_FORMHANDLE form = FPDFDOC_InitFormFillEnviroument(doc, &form_callbacks);

+  FPDF_SetFormFieldHighlightColor(form, 0, 0xFFE4DD);

+  FPDF_SetFormFieldHighlightAlpha(form, 100);

+

+  int first_page = FPDFAvail_GetFirstPageNum(doc);

+  (void) FPDFAvail_IsPageAvail(pdf_avail, first_page, &hints);

+

+  int page_count = FPDF_GetPageCount(doc);

+  for (int i = 0; i < page_count; ++i) {

+    (void) FPDFAvail_IsPageAvail(pdf_avail, i, &hints);

+  }

+

+  FORM_DoDocumentJSAction(form);

+  FORM_DoDocumentOpenAction(form);

+

+  for (int i = 0; i < page_count; ++i) {

+    FPDF_PAGE page = FPDF_LoadPage(doc, i);

+    FPDF_TEXTPAGE text_page = FPDFText_LoadPage(page);

+    FORM_OnAfterLoadPage(page, form);

+    FORM_DoPageAAction(page, form, FPDFPAGE_AACTION_OPEN);

+

+    int width = static_cast<int>(FPDF_GetPageWidth(page));

+    int height = static_cast<int>(FPDF_GetPageHeight(page));

+    FPDF_BITMAP bitmap = FPDFBitmap_Create(width, height, 0);

+    FPDFBitmap_FillRect(bitmap, 0, 0, width, height, 255, 255, 255, 255);

+

+    FPDF_RenderPageBitmap(bitmap, page, 0, 0, width, height, 0, 0);

+    FPDF_FFLDraw(form, bitmap, page, 0, 0, width, height, 0, 0);

+    if (write_images) {

+      const char* buffer = reinterpret_cast<const char*>(

+          FPDFBitmap_GetBuffer(bitmap));

+      int stride = FPDFBitmap_GetStride(bitmap);

+      WritePpm(name, i, buffer, stride, width, height);

+    }

+

+    FPDFBitmap_Destroy(bitmap);

+

+    FORM_DoPageAAction(page, form, FPDFPAGE_AACTION_CLOSE);

+    FORM_OnBeforeClosePage(page, form);

+    FPDFText_ClosePage(text_page);

+    FPDF_ClosePage(page);

+  }

+

+  FORM_DoDocumentAAction(form, FPDFDOC_AACTION_WC);

+  FPDFDOC_ExitFormFillEnviroument(form);

+  FPDF_CloseDocument(doc);

+  FPDFAvail_Destroy(pdf_avail);

+

+  printf("Loaded, parsed and rendered %d pages.\n", page_count);

+}

+

+int main(int argc, const char* argv[]) {

+  v8::V8::InitializeICU();

+  bool write_images = false;

+  std::list<const char*> files;

+  if (!ParseCommandLine(argc, argv, &write_images, &files)) {

+    printf("Usage is: test [--write_images] /path/to/pdf\n");

+    printf("--write_images - to write page images <pdf-name>.<page-number>.ppm\n");

+    return 1;

+  }

+

+  FPDF_InitLibrary(NULL);

+

+  UNSUPPORT_INFO unsuppored_info;

+  memset(&unsuppored_info, '\0', sizeof(unsuppored_info));

+  unsuppored_info.version = 1;

+  unsuppored_info.FSDK_UnSupport_Handler = Unsupported_Handler;

+

+  FSDK_SetUnSpObjProcessHandler(&unsuppored_info);

+

+  while (!files.empty()) {

+    const char* filename = files.front();

+    files.pop_front();

+    FILE* file = fopen(filename, FOPEN_READ);

+    if (!file) {

+      fprintf(stderr, "Failed to open: %s\n", filename);

+      continue;

+    }

+    (void) fseek(file, 0, SEEK_END);

+    size_t len = ftell(file);

+    (void) fseek(file, 0, SEEK_SET);

+    char* pBuf = (char*) malloc(len);

+    size_t ret = fread(pBuf, 1, len, file);

+    (void) fclose(file);

+    if (ret != len) {

+      fprintf(stderr, "Failed to read: %s\n", filename);

+    } else {

+      RenderPdf(filename, pBuf, len, write_images);

+    }

+    free(pBuf);

+  }

+

+  FPDF_DestroyLibrary();

+

+  return 0;

+}

+