Produces a video frame that has every line from the input frame twice plus a possibly repeated line at the top. More...
#include <DoubledFrame.hh>
Inheritance diagram for openmsx::DoubledFrame:
Collaboration diagram for openmsx::DoubledFrame:
Public Member Functions | |
| DoubledFrame (const PixelFormat &format) | |
| void | init (FrameSource *field, int skip) |
 Public Member Functions inherited from openmsx::FrameSource | |
| void | init (FieldType fieldType_) |
| (Re)initialize an existing FrameSource. More... | |
| FieldType | getField () const |
| Gets the role this frame plays in interlacing. More... | |
| unsigned | getHeight () const |
| Gets the number of lines in this frame. More... | |
| virtual unsigned | getLineWidth (unsigned line) const =0 |
| Gets the number of display pixels on the given line. More... | |
| unsigned | getWidth () const |
| Get the width of (all) lines in this frame. More... | |
| template<std::unsigned_integral Pixel> | |
| Pixel | getLineColor (unsigned line) const |
| Get the (single) color of the given line. More... | |
| template<std::unsigned_integral Pixel> | |
| std::span< const Pixel > | getLine (int line, std::span< Pixel > buf) const |
| Gets a pointer to the pixels of the given line number. More... | |
| virtual const void * | getLineInfo (unsigned line, unsigned &lineWidth, void *buf, unsigned bufWidth) const =0 |
| Abstract implementation of getLinePtr(). More... | |
| template<std::unsigned_integral Pixel> | |
| std::span< const Pixel, 320 > | getLinePtr320_240 (unsigned line, std::span< Pixel, 320 > buf) const |
| Get a pointer to a given line in this frame, the frame is scaled to 320x240 pixels. More... | |
| template<std::unsigned_integral Pixel> | |
| std::span< const Pixel, 640 > | getLinePtr640_480 (unsigned line, std::span< Pixel, 640 > buf) const |
| Get a pointer to a given line in this frame, the frame is scaled to 640x480 pixels. More... | |
| template<std::unsigned_integral Pixel> | |
| std::span< const Pixel, 960 > | getLinePtr960_720 (unsigned line, std::span< Pixel, 960 > buf) const |
| Get a pointer to a given line in this frame, the frame is scaled to 960x720 pixels. More... | |
| const PixelFormat & | getPixelFormat () const |
Additional Inherited Members | |
| Public Types inherited from openmsx::FrameSource | |
| enum | FieldType { FIELD_NONINTERLACED , FIELD_EVEN , FIELD_ODD } |
| What role does this frame play in interlacing? More... | |
| Protected Member Functions inherited from openmsx::FrameSource | |
| FrameSource (const PixelFormat &format) | |
| ~FrameSource ()=default | |
| void | setHeight (unsigned height_) |
| virtual bool | hasContiguousStorage () const |
| Returns true when two consecutive rows are also consecutive in memory. More... | |
| template<std::unsigned_integral Pixel> | |
| void | scaleLine (std::span< const Pixel > in, std::span< Pixel > out) const |
Detailed Description
Produces a video frame that has every line from the input frame twice plus a possibly repeated line at the top.
This class does not copy the data from the input FrameSource.
Definition at line 12 of file DoubledFrame.hh.
Constructor & Destructor Documentation
◆ DoubledFrame()
|
explicit |
Definition at line 7 of file DoubledFrame.cc.
References openmsx::DiskImageUtils::format().
Member Function Documentation
◆ init()
| void openmsx::DoubledFrame::init | ( | FrameSource * | field, |
| int | skip | ||
| ) |
Definition at line 12 of file DoubledFrame.cc.
References openmsx::FrameSource::FIELD_NONINTERLACED, openmsx::FrameSource::getHeight(), openmsx::FrameSource::init(), and openmsx::FrameSource::setHeight().
The documentation for this class was generated from the following files:
