diff options
Diffstat (limited to 'pdf/pdf.cc')
-rw-r--r-- | pdf/pdf.cc | 157 |
1 files changed, 29 insertions, 128 deletions
@@ -13,73 +13,12 @@ #include "pdf/instance.h" #include "pdf/out_of_process_instance.h" #include "ppapi/c/ppp.h" +#include "ppapi/cpp/private/internal_module.h" #include "ppapi/cpp/private/pdf.h" #include "v8/include/v8.h" bool g_sdk_initialized_via_pepper = false; -// The Mac release builds discard CreateModule and the entire PDFModule -// definition because they are not referenced here. This causes the Pepper -// exports (PPP_GetInterface etc) to not be exported. So we force the linker -// to include this code by using __attribute__((used)). -#if __GNUC__ >= 4 -#define PDF_USED __attribute__((used)) -#else -#define PDF_USED -#endif - -#if defined(OS_WIN) - -void HandleInvalidParameter(const wchar_t* expression, - const wchar_t* function, - const wchar_t* file, - unsigned int line, - uintptr_t reserved) { - // Do the same as Chrome's CHECK(false) which is undefined. - ::base::debug::BreakDebugger(); - return; -} - -void HandlePureVirtualCall() { - // Do the same as Chrome's CHECK(false) which is undefined. - ::base::debug::BreakDebugger(); - return; -} - - -BOOL APIENTRY DllMain(HMODULE module, DWORD reason_for_call, LPVOID reserved) { - if (reason_for_call == DLL_PROCESS_ATTACH) { - // On windows following handlers work only inside module. So breakpad in - // chrome.dll does not catch that. To avoid linking related code or - // duplication breakpad_win.cc::InitCrashReporter() just catch errors here - // and crash in a way interceptable by breakpad of parent module. - _set_invalid_parameter_handler(HandleInvalidParameter); - _set_purecall_handler(HandlePureVirtualCall); - -#if defined(ARCH_CPU_X86_64) && _MSC_VER <= 1800 - // VS2013's CRT only checks the existence of FMA3 instructions, not the - // enabled-ness of them at the OS level (this is fixed in VS2015). We force - // off usage of FMA3 instructions in the CRT to avoid using that path and - // hitting illegal instructions when running on CPUs that support FMA3, but - // OSs that don't. Because we use the static library CRT we have to call - // this function once in each DLL. - // See http://crbug.com/436603. - _set_FMA3_enable(0); -#endif // ARCH_CPU_X86_64 && _MSC_VER <= 1800 - } - return TRUE; -} - -#endif - -namespace pp { - -PDF_USED Module* CreateModule() { - return new chrome_pdf::PDFModule(); -} - -} // namespace pp - namespace chrome_pdf { PDFModule::PDFModule() { @@ -117,49 +56,37 @@ pp::Instance* PDFModule::CreateInstance(PP_Instance instance) { return new Instance(instance); } -} // namespace chrome_pdf -extern "C" { +// Implementation of Global PPP functions --------------------------------- +int32_t PPP_InitializeModule(PP_Module module_id, + PPB_GetInterface get_browser_interface) { + PDFModule* module = new PDFModule(); + if (!module->InternalInit(module_id, get_browser_interface)) { + delete module; + return PP_ERROR_FAILED; + } + + pp::InternalSetModuleSingleton(module); + return PP_OK; +} + +void PPP_ShutdownModule() { + delete pp::Module::Get(); + pp::InternalSetModuleSingleton(NULL); +} + +const void* PPP_GetInterface(const char* interface_name) { + if (!pp::Module::Get()) + return NULL; + return pp::Module::Get()->GetPluginInterface(interface_name); +} -// TODO(sanjeevr): It might make sense to provide more stateful wrappers over -// the internal PDF SDK (such as LoadDocument, LoadPage etc). Determine if we -// need to provide this. -// Wrapper exports over the PDF engine that can be used by an external module -// such as Chrome (since Chrome cannot directly pull in PDFium sources). #if defined(OS_WIN) -// |pdf_buffer| is the buffer that contains the entire PDF document to be -// rendered. -// |buffer_size| is the size of |pdf_buffer| in bytes. -// |page_number| is the 0-based index of the page to be rendered. -// |dc| is the device context to render into. -// |dpi_x| and |dpi_y| are the x and y resolutions respectively. If either -// value is -1, the dpi from the DC will be used. -// |bounds_origin_x|, |bounds_origin_y|, |bounds_width| and |bounds_height| -// specify a bounds rectangle within the DC in which to render the PDF -// page. -// |fit_to_bounds| specifies whether the output should be shrunk to fit the -// supplied bounds if the page size is larger than the bounds in any -// dimension. If this is false, parts of the PDF page that lie outside -// the bounds will be clipped. -// |stretch_to_bounds| specifies whether the output should be stretched to fit -// the supplied bounds if the page size is smaller than the bounds in any -// dimension. -// If both |fit_to_bounds| and |stretch_to_bounds| are true, then -// |fit_to_bounds| is honored first. -// |keep_aspect_ratio| If any scaling is to be done is true, this flag -// specifies whether the original aspect ratio of the page should be -// preserved while scaling. -// |center_in_bounds| specifies whether the final image (after any scaling is -// done) should be centered within the given bounds. -// |autorotate| specifies whether the final image should be rotated to match -// the output bound. -// Returns false if the document or the page number are not valid. -PP_EXPORT bool RenderPDFPageToDC(const void* pdf_buffer, +bool RenderPDFPageToDC(const void* pdf_buffer, int buffer_size, int page_number, HDC dc, - int dpi_x, - int dpi_y, + int dpi, int bounds_origin_x, int bounds_origin_y, int bounds_width, @@ -177,8 +104,8 @@ PP_EXPORT bool RenderPDFPageToDC(const void* pdf_buffer, scoped_ptr<chrome_pdf::PDFEngineExports> engine_exports( chrome_pdf::PDFEngineExports::Create()); chrome_pdf::PDFEngineExports::RenderingSettings settings( - dpi_x, dpi_y, pp::Rect(bounds_origin_x, bounds_origin_y, bounds_width, - bounds_height), + dpi, dpi, pp::Rect(bounds_origin_x, bounds_origin_y, bounds_width, + bounds_height), fit_to_bounds, stretch_to_bounds, keep_aspect_ratio, center_in_bounds, autorotate); bool ret = engine_exports->RenderPDFPageToDC(pdf_buffer, buffer_size, @@ -191,9 +118,6 @@ PP_EXPORT bool RenderPDFPageToDC(const void* pdf_buffer, #endif // OS_WIN -// |page_count| and |max_page_width| are optional and can be NULL. -// Returns false if the document is not valid. -PDF_USED PP_EXPORT bool GetPDFDocInfo(const void* pdf_buffer, int buffer_size, int* page_count, double* max_page_width) { @@ -211,16 +135,6 @@ bool GetPDFDocInfo(const void* pdf_buffer, return ret; } -// Gets the dimensions of a specific page in a document. -// |pdf_buffer| is the buffer that contains the entire PDF document to be -// rendered. -// |pdf_buffer_size| is the size of |pdf_buffer| in bytes. -// |page_number| is the page number that the function will get the dimensions -// of. -// |width| is the output for the width of the page in points. -// |height| is the output for the height of the page in points. -// Returns false if the document or the page number are not valid. -PDF_USED PP_EXPORT bool GetPDFPageSizeByIndex(const void* pdf_buffer, int pdf_buffer_size, int page_number, double* width, double* height) { @@ -237,19 +151,6 @@ bool GetPDFPageSizeByIndex(const void* pdf_buffer, return ret; } -// Renders PDF page into 4-byte per pixel BGRA color bitmap. -// |pdf_buffer| is the buffer that contains the entire PDF document to be -// rendered. -// |pdf_buffer_size| is the size of |pdf_buffer| in bytes. -// |page_number| is the 0-based index of the page to be rendered. -// |bitmap_buffer| is the output buffer for bitmap. -// |bitmap_width| is the width of the output bitmap. -// |bitmap_height| is the height of the output bitmap. -// |dpi| is the resolutions. -// |autorotate| specifies whether the final image should be rotated to match -// the output bound. -// Returns false if the document or the page number are not valid. -PDF_USED PP_EXPORT bool RenderPDFPageToBitmap(const void* pdf_buffer, int pdf_buffer_size, int page_number, @@ -275,4 +176,4 @@ bool RenderPDFPageToBitmap(const void* pdf_buffer, return ret; } -} // extern "C" +} // namespace chrome_pdf |