diff options
Diffstat (limited to 'platform/winrt/mupdfwinrt/mudocument.cpp')
| -rw-r--r-- | platform/winrt/mupdfwinrt/mudocument.cpp | 49 |
1 files changed, 47 insertions, 2 deletions
diff --git a/platform/winrt/mupdfwinrt/mudocument.cpp b/platform/winrt/mupdfwinrt/mudocument.cpp index 7c90ba18..d4855dd9 100644 --- a/platform/winrt/mupdfwinrt/mudocument.cpp +++ b/platform/winrt/mupdfwinrt/mudocument.cpp @@ -167,6 +167,50 @@ Windows::Foundation::IAsyncOperationWithProgress<int, double>^ }); } +/* Pack the page into a bitmap. This is used in the DirectX code for printing + not in the xaml related code. */ +int mudocument::RenderPageBitmapSync(int page_num, int bmp_width, int bmp_height, + bool use_dlist, Array<unsigned char>^* bit_map) +{ + status_t code; + /* Allocate space for bmp */ + Array<unsigned char>^ bmp_data = + ref new Array<unsigned char>(bmp_height * 4 * bmp_width); + + if (use_dlist) + { + void *dlist; + int page_height; + int page_width; + + mutex_lock.lock(); + /* This lock will keep out issues in mupdf as well as race conditions + in the page cache */ + dlist = (void*) mu_object.CreateDisplayList(page_num, &page_width, + &page_height); + /* Rendering of display list can occur with other threads so unlock */ + mutex_lock.unlock(); + code = mu_object.RenderPageMT(dlist, page_width, page_height, + &(bmp_data[0]), bmp_width, bmp_height, + false); + } + else + { + /* Rendering in immediate mode. Keep lock in place */ + mutex_lock.lock(); + code = mu_object.RenderPage(page_num, &(bmp_data[0]), bmp_width, + bmp_height, false); + mutex_lock.unlock(); + } + if (code != S_ISOK) + { + throw ref new FailureException("Page Rendering Failed"); + } + + *bit_map = bmp_data; + return (int) code; +} + /* Pack the page into a bmp stream */ Windows::Foundation::IAsyncOperation<InMemoryRandomAccessStream^>^ mudocument::RenderPageAsync(int page_num, int bmp_width, int bmp_height, @@ -200,14 +244,15 @@ Windows::Foundation::IAsyncOperation<InMemoryRandomAccessStream^>^ /* Rendering of display list can occur with other threads so unlock */ mutex_lock.unlock(); code = mu_object.RenderPageMT(dlist, page_width, page_height, - &(bmp_data[0]), bmp_width, bmp_height); + &(bmp_data[0]), bmp_width, bmp_height, + true); } else { /* Rendering in immediate mode. Keep lock in place */ mutex_lock.lock(); code = mu_object.RenderPage(page_num, &(bmp_data[0]), bmp_width, - bmp_height); + bmp_height, true); mutex_lock.unlock(); } if (code != S_ISOK) |