diff options
Diffstat (limited to 'pdf')
| -rw-r--r-- | pdf/paint_manager.cc | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/pdf/paint_manager.cc b/pdf/paint_manager.cc index 093e0cd..f452b37 100644 --- a/pdf/paint_manager.cc +++ b/pdf/paint_manager.cc @@ -41,15 +41,21 @@ PaintManager::~PaintManager() { // static pp::Size PaintManager::GetNewContextSize(const pp::Size& current_context_size, const pp::Size& plugin_size) { - // The number of additional space in pixels to allocate to the right/bottom - // of the context. - const int kBufferSize = 100; + // The amount of additional space in pixels to allocate to the right/bottom of + // the context. + const int kBufferSize = 50; // Default to returning the same size. pp::Size result = current_context_size; - pp::Size min_size(std::max(current_context_size.width() - kBufferSize, 0), - std::max(current_context_size.height() - kBufferSize, 0)); + // The minimum size of the plugin before resizing the context to ensure we + // aren't wasting too much memory. We deduct twice the kBufferSize from the + // current context size which gives a threshhold that is kBufferSize below + // the plugin size when the context size was last computed. + pp::Size min_size( + std::max(current_context_size.width() - 2 * kBufferSize, 0), + std::max(current_context_size.height() - 2 * kBufferSize, 0)); + // If the plugin size is bigger than the current context size, we need to // resize the context. If the plugin size is smaller than the current // context size by a given threshhold then resize the context so that we |