RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-05-31 11:48:10 +00:00
Code Issues Activity Actions

LibDraw: Add GraphicsBitmap::create_purgeable()

Browse source 
This allows you to create a process-private purgeable GraphicsBitmap.
The volatile flag is controlled via set_volatile() / set_nonvolatile().
This commit is contained in:
Andreas Kling 2019-12-18 20:50:05 +01:00
parent 72ec2fae6e
commit 77ae98a9b6
2 changed files with 47 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

11
Libraries/LibDraw/GraphicsBitmap.h
View file

@ -20,6 +20,7 @@ public:
};
static NonnullRefPtr<GraphicsBitmap> create(Format, const Size&);
static NonnullRefPtr<GraphicsBitmap> create_purgeable(Format, const Size&);
static NonnullRefPtr<GraphicsBitmap> create_wrapper(Format, const Size&, size_t pitch, RGBA32*);
static RefPtr<GraphicsBitmap> load_from_file(const StringView& path);
static RefPtr<GraphicsBitmap> load_from_file(Format, const StringView& path, const Size&);
@ -98,8 +99,14 @@ public:
set_pixel(position.x(), position.y(), color);
}
bool is_purgeable() const { return m_purgeable; }
bool is_volatile() const { return m_volatile; }
void set_volatile();
[[nodiscard]] bool set_nonvolatile();
private:
GraphicsBitmap(Format, const Size&);
enum class Purgeable { No, Yes };
GraphicsBitmap(Format, const Size&, Purgeable);
GraphicsBitmap(Format, const Size&, size_t pitch, RGBA32*);
GraphicsBitmap(Format, const Size&, MappedFile&&);
GraphicsBitmap(Format, NonnullRefPtr<SharedBuffer>&&, const Size&);
@ -110,6 +117,8 @@ private:
size_t m_pitch { 0 };
Format m_format { Format::Invalid };
bool m_needs_munmap { false };
bool m_purgeable { false };
bool m_volatile { false };
MappedFile m_mapped_file;
RefPtr<SharedBuffer> m_shared_buffer;
};