impeller::BitmapSTB Class Reference

#include <glyph_atlas_context_stb.h>

Public Member Functions
	BitmapSTB ()
	~BitmapSTB ()
	BitmapSTB (size_t width, size_t height, size_t bytes_per_pixel)
uint8_t *	GetPixels ()
uint8_t *	GetPixelAddress (TPoint< size_t > coords)
size_t	GetRowBytes () const
size_t	GetWidth () const
size_t	GetHeight () const
size_t	GetSize () const

Detailed Description

Definition at line 13 of file glyph_atlas_context_stb.h.

Constructor & Destructor Documentation

BitmapSTB() [1/2]

impeller::BitmapSTB::BitmapSTB ( )

default

~BitmapSTB()

impeller::BitmapSTB::~BitmapSTB ( )

default

BitmapSTB() [2/2]

impeller::BitmapSTB::BitmapSTB	(	size_t	width,
		size_t	height,
		size_t	bytes_per_pixel
	)

Definition at line 13 of file glyph_atlas_context_stb.cc.

    : width_(width),
      height_(height),
      bytes_per_pixel_(bytes_per_pixel),
      pixels_(std::vector<uint8_t>(width * height * bytes_per_pixel, 0)) {}

Member Function Documentation

GetHeight()

size_t impeller::BitmapSTB::GetHeight

(

)

const

Definition at line 38 of file glyph_atlas_context_stb.cc.

                                  {
  return height_;
}

GetPixelAddress()

uint8_t * impeller::BitmapSTB::GetPixelAddress

(

TPoint< size_t >

coords

)

Definition at line 23 of file glyph_atlas_context_stb.cc.

                                                         {
  FML_DCHECK(coords.x < width_);
  FML_DCHECK(coords.x < height_);
 
  return &pixels_.data()[(coords.x + width_ * coords.y) * bytes_per_pixel_];
}

GetPixels()

uint8_t * impeller::BitmapSTB::GetPixels

(

)

Definition at line 19 of file glyph_atlas_context_stb.cc.

                              {
  return pixels_.data();
}

GetRowBytes()

size_t impeller::BitmapSTB::GetRowBytes

(

)

const

Definition at line 30 of file glyph_atlas_context_stb.cc.

                                    {
  return width_ * bytes_per_pixel_;
}

GetSize()

size_t impeller::BitmapSTB::GetSize

(

)

const

Definition at line 42 of file glyph_atlas_context_stb.cc.

                                {
  return width_ * height_ * bytes_per_pixel_;
}

GetWidth()

size_t impeller::BitmapSTB::GetWidth

(

)

const

Definition at line 34 of file glyph_atlas_context_stb.cc.

                                 {
  return width_;
}

---

The documentation for this class was generated from the following files:

• impeller/typographer/backends/stb/glyph_atlas_context_stb.h
• impeller/typographer/backends/stb/glyph_atlas_context_stb.cc