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serenity/Userland/Libraries/LibGfx
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Nico Weber 27e369cd19 LibGfx/ICC: Add a one-element cache for CLUT conversions 
Our current CLUT code is pretty slow. A one-element cache can make
it quite a bit faster for images that have long runs of a single
color, such as illustrations.

It also seems to help with photos some (in `0000711.pdf` page 1) --
I suppose even them have enough repeating pixels for it to be worth
it.

Some numbers, with `pdf --render-bench`:

`0000711.pdf --page 1` (high-res photo)
before: 2.9s
after: 2.43s

`0000277.pdf --page 19` (my nemesis PDF, large-ish illustration)
before: 2.17s
after: 0.58s (!)

`0000502.pdf --page 2` (wat hoe dat)
before: 0.66s
after: 0.27s

`0000521.pdf --page 10 ` (japanese)
before: 0.52s
after: 0.29s

`0000364.pdf --page 1` (4 min test case)
before: 0.48s
after: 0.19s

Thanks to that last one, reduces the time for
`time Meta/test_pdf.py ~/Downloads/0000` from 4m22s to 1m28s.

Helps quite a bit with #23157 (but high-res photos are still too
slow).
2024-02-19 07:16:05 +00:00
..
Filters AK: Add to_radians and to_degrees math functions 2023-09-10 08:38:29 +01:00
Font LibGfx/OpenType: Make it possible to provide an external cmap 2024-02-17 16:08:48 +01:00
ICC LibGfx/ICC: Add a one-element cache for CLUT conversions 2024-02-19 07:16:05 +00:00
ImageFormats LibGfx/CCITT: Add support for Group3 2D 2024-02-19 01:40:04 +01:00
AffineTransform.cpp LibGfx: Add AffineTransform::determinant() 2023-07-14 06:51:05 +02:00
AffineTransform.h LibGfx: Add AffineTransform::determinant() 2023-07-14 06:51:05 +02:00
AntiAliasingPainter.cpp LibGfx: Only attempt to paint strokes with a width > 0 2023-07-16 18:52:38 +02:00
AntiAliasingPainter.h LibGfx+LibWeb: Do not ignore corner radius if it is defined in one axis 2024-01-15 15:21:17 +01:00
Bitmap.cpp Everywhere: Rename {Deprecated => Byte}String 2023-12-17 18:25:10 +03:30
Bitmap.h LibGfx: Add a .pam loader 2024-01-26 07:36:53 +01:00
BitmapMixer.cpp LibGfx: Add BitmapMixer 2022-01-04 21:41:14 +02:00
BitmapMixer.h LibGfx: Add BitmapMixer 2022-01-04 21:41:14 +02:00
BoundingBox.h LibGfx: Add BoundingBox helper class 2023-11-14 10:13:10 +01:00
CharacterBitmap.h Libraries: Make CharacterBitmap instances at compile-time 2022-03-04 17:41:08 +01:00
CIELAB.h LibGfx: Move CIELAB to its own file 2023-04-30 05:57:20 +02:00
ClassicStylePainter.cpp LibGfx+Userland: Remove dependency on GUI::TabWidget from StylePainter 2023-10-27 16:51:03 -06:00
ClassicStylePainter.h LibGfx+Userland: Remove dependency on GUI::TabWidget from StylePainter 2023-10-27 16:51:03 -06:00
ClassicWindowTheme.cpp LibGfx+Everywhere: Change Gfx::Rect to be endpoint exclusive 2023-05-23 12:35:42 +02:00
ClassicWindowTheme.h LibGfx: Make ClassicWindowTheme menubar heights respect the font size 2023-01-03 15:25:02 +01:00
CMakeLists.txt Meta: Don't search for both Python and Python3 in CMake 2024-02-16 23:14:49 -07:00
CMYKBitmap.cpp LibGfx/JPEG+CMYKBitmap: Extract the CMYK to RGB conversion code 2024-01-24 22:16:22 -07:00
CMYKBitmap.h LibGfx: Add comparison operators to CMYK 2024-01-26 07:36:53 +01:00
Color.cpp Everywhere: Use to_number<T> instead of to_{int,uint,float,double} 2023-12-23 20:41:07 +01:00
Color.h LibGfx: Remove now-unused Color::from_cmyk() 2024-02-01 13:42:04 -07:00
CursorParams.cpp Everywhere: Use to_number<T> instead of to_{int,uint,float,double} 2023-12-23 20:41:07 +01:00
CursorParams.h Meta+Userland: Pass Gfx::IntPoint by value 2022-12-07 11:48:27 +01:00
DeltaE.cpp AK: Add to_radians and to_degrees math functions 2023-09-10 08:38:29 +01:00
DeltaE.h LibGfx: Add DeltaE() function 2023-04-30 05:57:20 +02:00
DisjointRectSet.h LibGfx+Everywhere: Make DisjointRectSet work for non-int Rects 2022-10-27 13:06:33 +02:00
EdgeFlagPathRasterizer.cpp LibGfx: Trim scanline to right clip in path rasterizer 2024-01-08 09:26:43 +01:00
EdgeFlagPathRasterizer.h LibGfx: Sprinkle some FLATTEN/hot attributes in the path rasterizer 2024-01-08 09:26:43 +01:00
FontCascadeList.cpp LibGfx: Don't clone fonts in FontCascadeList::extend() 2023-12-27 11:42:05 +01:00
FontCascadeList.h LibGfx+LibWeb: Produce font cascade list in CSS font matching algorithm 2023-12-10 17:32:04 +01:00
Forward.h LibGfx: Add CMYKBitmap 2024-01-10 09:39:00 +01:00
FourCC.h LibGfx: Make FourCC more useful 2023-11-24 08:42:46 +01:00
GradientPainting.cpp AK: Add to_radians and to_degrees math functions 2023-09-10 08:38:29 +01:00
Gradients.h AK: Add to_radians and to_degrees math functions 2023-09-10 08:38:29 +01:00
GrayscaleBitmap.h LibGfx: Add a simple GrayscaleBitmap class 2023-03-23 08:27:51 +00:00
ImmutableBitmap.cpp LibGfx+LibWeb: Add ImmutableBitmap for images bitmap caching in painter 2023-11-26 12:55:43 +01:00
ImmutableBitmap.h LibGfx+LibWeb: Add ImmutableBitmap for images bitmap caching in painter 2023-11-26 12:55:43 +01:00
Line.h Everywhere: Rename {Deprecated => Byte}String 2023-12-17 18:25:10 +03:30
Matrix.h LibGfx: Fix -Wdouble-promotion for float matrices 2023-05-02 17:15:48 +01:00
Matrix3x3.h LibGfx: Add Matrix3x3 2021-12-30 14:24:29 +01:00
Matrix4x4.h LibGfx: Add Gfx::extract_2d_affine_transform(Matrix4x4) helper 2023-11-18 19:32:31 +01:00
Orientation.h
Painter.cpp LibGfx: Remove Gamma.h 2024-01-30 10:02:33 +01:00
Painter.h LibGfx: Move Gfx::color_for_format() to header 2024-01-08 09:26:43 +01:00
PaintStyle.h LibGfx: Add RepeatingBitmapPaintStyle and OffsetPaintStyle 2023-12-10 16:44:24 +01:00
Palette.cpp Everywhere: Rename {Deprecated => Byte}String 2023-12-17 18:25:10 +03:30
Palette.h Everywhere: Rename {Deprecated => Byte}String 2023-12-17 18:25:10 +03:30
Path.cpp LibGfx: Decrease flatness a little in Path::stroke_to_fill() 2024-01-21 19:23:31 +01:00
Path.h LibGfx: Add Path::place_text_along(text, font) 2023-12-19 21:29:03 +01:00
Point.cpp Everywhere: Rename {Deprecated => Byte}String 2023-12-17 18:25:10 +03:30
Point.h Everywhere: Rename {Deprecated => Byte}String 2023-12-17 18:25:10 +03:30
Quad.h LibGfx: Add Gfx::Quad<T> to represent arbitrary quadrilaterals 2022-04-07 17:06:02 +02:00
Rect.cpp Everywhere: Rename {Deprecated => Byte}String 2023-12-17 18:25:10 +03:30
Rect.h Everywhere: Rename {Deprecated => Byte}String 2023-12-17 18:25:10 +03:30
ShareableBitmap.cpp LibGfx: Remove indexed palette formats from Bitmap and Painter 2023-10-12 07:39:05 +02:00
ShareableBitmap.h LibIPC+Everywhere: Change IPC::encode's return type to ErrorOr 2023-01-04 11:49:15 +01:00
Size.cpp Everywhere: Rename {Deprecated => Byte}String 2023-12-17 18:25:10 +03:30
Size.h Everywhere: Rename {Deprecated => Byte}String 2023-12-17 18:25:10 +03:30
StandardCursor.h Base+WindowServer+LibGfx: Add new DragCopy Cursor 2022-08-31 17:29:44 +01:00
StylePainter.cpp LibGfx+Userland: Remove dependency on GUI::TabWidget from StylePainter 2023-10-27 16:51:03 -06:00
StylePainter.h LibGfx+Userland: Remove dependency on GUI::TabWidget from StylePainter 2023-10-27 16:51:03 -06:00
SystemTheme.cpp Taskbar: Add hotkeys for theme selector menu 2024-01-14 15:16:45 -07:00
SystemTheme.h Taskbar: Add hotkeys for theme selector menu 2024-01-14 15:16:45 -07:00
TabPosition.h LibGfx+Userland: Remove dependency on GUI::TabWidget from StylePainter 2023-10-27 16:51:03 -06:00
TextAlignment.h Everywhere: Run clang-format 2022-04-01 21:24:45 +01:00
TextAttributes.h LibGfx+Userland: Make TextAttributes::underline_style optional 2023-03-15 14:55:49 +01:00
TextDirection.cpp Everywhere: Fix a bunch of typos 2021-05-17 17:48:55 +01:00
TextDirection.h Everywhere: Run clang-format 2022-04-01 21:24:45 +01:00
TextElision.h
TextLayout.cpp Everywhere: Rename {Deprecated => Byte}String 2023-12-17 18:25:10 +03:30
TextLayout.h LibGfx: Take into account unicode ranges to find font for space glyph 2024-01-08 01:00:24 +01:00
TextWrapping.h Userland: Move text wrapping/elision into the new TextLayout :^) 2021-07-26 21:14:39 +04:30
TIFFGenerator.py LibGfx/TIFF: Add support for TileOffset and TileByteCounts 2024-02-13 10:13:11 +01:00
Triangle.cpp Everywhere: Rename {Deprecated => Byte}String 2023-12-17 18:25:10 +03:30
Triangle.h Everywhere: Rename {Deprecated => Byte}String 2023-12-17 18:25:10 +03:30
Vector2.h Everywhere: Rename {Deprecated => Byte}String 2023-12-17 18:25:10 +03:30
Vector3.h Everywhere: Rename {Deprecated => Byte}String 2023-12-17 18:25:10 +03:30
Vector4.h Everywhere: Rename {Deprecated => Byte}String 2023-12-17 18:25:10 +03:30
VectorGraphic.cpp LibGfx+Userland: Rename Size::scaled_by to Size::scaled 2023-08-17 09:57:30 -04:00
VectorGraphic.h LibGfx: Add simple VectorGraphic abstract base class 2023-07-14 06:51:05 +02:00
VectorN.h Everywhere: Rename {Deprecated => Byte}String 2023-12-17 18:25:10 +03:30
WindowTheme.cpp Libraries: Use default constructors/destructors in LibGfx 2022-03-17 17:23:49 +00:00
WindowTheme.h LibGfx+LibGUI+WindowServer+Apps+Demos: Replace ToolWindows 2022-08-25 13:28:50 +02:00