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#ifndef UMT_GRAPHICS_H
#define UMT_GRAPHICS_H
#include <Uefi.h>
#include <Protocol/GraphicsOutput.h>
#include <Protocol/SimpleTextIn.h>
#include <Protocol/SimplePointer.h>
#define PUT_PUXEL(Graphics, X, Y, Icolor) \
Graphics->BackBuffer[X + (Y * Graphics->Pitch)] = Icolor
typedef struct {
UINT8 Blue;
UINT8 Green;
UINT8 Red;
UINT8 Reserved;
} GRAPHICS_PIXEL_COLOR;
typedef struct {
///
/// The EFI_GRAPHICS_OUTPUT_PROTOCOL instance.
///
EFI_GRAPHICS_OUTPUT_PROTOCOL *Gop;
///
/// Base address of graphics linear frame buffer.
/// Starts from the upper left pixel.
///
UINT32 *FrontBuffer;
///
/// Pointer to allocated memory. Secondary linear buffer.
///
UINT32 *BackBuffer;
///
/// Amount of frame buffer needed to support the active mode in bytes.
///
UINTN BufferSize;
///
/// The size of video screen in pixels in the X dimension.
///
UINT32 Width;
///
/// The size of video screen in pixels in the Y dimension.
///
UINT32 Height;
///
/// Bit-mask defines what bits are used for different colors.
///
EFI_PIXEL_BITMASK PixelMasks;
///
/// Amount of bits to shift left.
/// R-G-B-Rsvd
///
INT8 PixelShl[4];
///
/// Amount of bits to shift right.
/// R-G-B-Rsvd
///
INT8 PixelShr[4];
///
/// The size of pixel color in bytes.
///
UINT32 PixelWidth;
///
/// Amount of bytes you should skip to go one pixel down.
///
UINT32 Pitch;
//
// The EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL instance.
//
EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *TextInputEx;
//
// A mouse support.
//
BOOLEAN MouseSupported;
//
// The MouseInterface instance.
//
EFI_SIMPLE_POINTER_PROTOCOL *MouseInterface;
} GRAPHICS_CONTEXT;
EFI_STATUS
PrepareGraphicsInfo (
IN GRAPHICS_CONTEXT *Graphics,
IN EFI_GRAPHICS_OUTPUT_PROTOCOL *Gop
);
VOID
ForgetGraphicsInfo (
IN GRAPHICS_CONTEXT *Graphics
);
/**
Draw a line using Bresenham's algorithm
@retval VOID
**/
VOID
DrawLine (
IN GRAPHICS_CONTEXT *Graphics,
IN UINTN X0,
IN UINTN Y0,
IN UINTN X1,
IN UINTN Y1,
IN CONST GRAPHICS_PIXEL_COLOR *Color
);
VOID
PutRect (
IN GRAPHICS_CONTEXT *Graphics,
IN UINTN X0,
IN UINTN Y0,
IN UINTN X1,
IN UINTN Y1,
IN CONST GRAPHICS_PIXEL_COLOR *Color
);
VOID
DrawCircle (
IN GRAPHICS_CONTEXT *Graphics,
IN UINTN X0,
IN UINTN Y0,
IN UINTN R,
IN CONST GRAPHICS_PIXEL_COLOR *Color
);
/**
Draws a character to the screen
@retval VOID
**/
VOID
DrawChar (
IN GRAPHICS_CONTEXT *Graphics,
IN UINTN X,
IN UINTN Y,
IN UINT32 Icolor,
IN CHAR16 Char
);
/**
Draws output based on a null-terminated Unicode format string
and a arguments list to the screen
@retval The number of Unicode characters drawn
**/
UINTN
EFIAPI
DrawStringVF (
IN GRAPHICS_CONTEXT *Graphics,
IN UINTN X,
IN UINTN Y,
IN CONST GRAPHICS_PIXEL_COLOR *Color,
IN CONST CHAR16 *FormatString,
IN VA_LIST Marker
);
UINTN
EFIAPI
DrawStringF (
IN GRAPHICS_CONTEXT *Graphics,
IN UINTN X,
IN UINTN Y,
IN CONST GRAPHICS_PIXEL_COLOR *Color,
IN CONST CHAR16 *FormatString,
...
);
#endif /* UMT_GRAPHICS_H */
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