87 lines
2.7 KiB
C
87 lines
2.7 KiB
C
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#pragma once
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#include "../main.h"
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#include "efiprot.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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// This defines a default target display mode for graphics_Init().
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#define HELOS_GRAPHICS_TARGET_MODE_WIDTH 1600
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#define HELOS_GRAPHICS_TARGET_MODE_HEIGHT 900
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// HelosGraphics_Color is in ARGB little-endian packed format
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// (B,G,R,A in byte order)
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typedef struct {
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uint8_t B, G, R;
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uint8_t A;
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} PACKED HelosGraphics_Color;
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extern const HelosGraphics_Color
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HelosGraphics_Color_Black,
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HelosGraphics_Color_White,
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HelosGraphics_Color_Red,
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HelosGraphics_Color_Green,
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HelosGraphics_Color_Blue,
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HelosGraphics_Color_Cyan,
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HelosGraphics_Color_Magenta,
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HelosGraphics_Color_Yellow;
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typedef struct {
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int Width, Height;
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int PixelsPerLine;
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EFI_GRAPHICS_PIXEL_FORMAT PixelFormat;
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} HelosGraphics_Mode;
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extern void * graphics_DeviceFramebuffer; // this is the framebuffer directly for the device via memory mapping.
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extern void * graphics_Framebuffer; // this is the double-buffered framebuffer (back buffer)
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extern uint64_t graphics_FramebufferSize;
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// Init() must be called prior to ExitBootServices()
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void graphics_Init();
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// bitsPerPixel does not count the alpha bits, i.e., is 24 on most modern monitors
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void graphics_GetSize(int *sizeX, int *sizeY, int *bitsPerPixel);
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void graphics_ClearBuffer(const HelosGraphics_Color *color);
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void graphics_SwapBuffer();
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// graphics_SetPixel is set by Init() to match one of SetPixel_RGB/BGR according to the framebuffer format.
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typedef void(graphics_SetPixel_Type)(int posX, int posY, const HelosGraphics_Color *color);
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extern graphics_SetPixel_Type *graphics_SetPixel;
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// graphics_SetPixel_RGB/BGR writes the given pixel to the framebuffer in RGB/BGR format.
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void graphics_SetPixel_RGB(int posX, int posY, const HelosGraphics_Color *color);
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void graphics_SetPixel_BGR(int posX, int posY, const HelosGraphics_Color *color);
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void graphics_FillPixel(int startX, int startY, int endX, int endY, const HelosGraphics_Color *color);
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extern int graphics_CursorX, graphics_CursorY;
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// graphics_Scroll scrolls the display vertically by scrollY pixels.
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void graphics_Scroll(int scrollY);
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// graphics_ElementSize handles size of an graphics element: scrolling, line breaking, etc.
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//
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// It does not change CursorX/Y, however.
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void graphics_ElementSize(int sizeX, int sizeY);
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void graphics_Newline(int advanceY);
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void console_WriteChar(const HelosGraphics_Color *color, uint32_t c);
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void console_Write(const HelosGraphics_Color *color, const uint32_t *str, int len);
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void console_WriteUTF16(const HelosGraphics_Color *color, const uint16_t *str, int len);
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void console_WriteASCII(const HelosGraphics_Color *color, const char *str, int len);
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#ifdef __cplusplus
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} // extern "C"
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#endif
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