From b87fc6b140772ba3017de311c7063c259424264c Mon Sep 17 00:00:00 2001
From: Alex <kavsrf@gmail.com>
Date: Mon, 15 Aug 2016 17:11:31 +0200
Subject: First public release. Used by VeraCrypt 1.18.

---
 Include/Library/GraphLib.h | 200 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 200 insertions(+)
 create mode 100644 Include/Library/GraphLib.h

(limited to 'Include/Library/GraphLib.h')

diff --git a/Include/Library/GraphLib.h b/Include/Library/GraphLib.h
new file mode 100644
index 0000000..49cea5c
--- /dev/null
+++ b/Include/Library/GraphLib.h
@@ -0,0 +1,200 @@
+/** @file
+Graph library
+
+Copyright (c) 2016. Disk Cryptography Services for EFI (DCS), Alex Kolotnikov
+Copyright (c) 2016. VeraCrypt, Mounir IDRASSI 
+
+This program and the accompanying materials are licensed and made available 
+under the terms and conditions of the GNU Lesser General Public License, version 3.0 (LGPL-3.0).
+
+The full text of the license may be found at
+https://opensource.org/licenses/LGPL-3.0
+**/
+
+#ifndef __GRAPHLIB_H__
+#define __GRAPHLIB_H__
+
+#include <Uefi.h>
+#include <Protocol/GraphicsOutput.h>
+
+//////////////////////////////////////////////////////////////////////////
+// Graph
+//////////////////////////////////////////////////////////////////////////
+
+extern EFI_HANDLE* gGraphHandles;
+extern UINTN       gGraphCount;
+extern EFI_GRAPHICS_OUTPUT_PROTOCOL*	gGraphOut;
+
+EFI_STATUS
+InitGraph();
+
+EFI_STATUS
+GraphGetIO(
+	IN    EFI_HANDLE								Handle,
+	OUT   EFI_GRAPHICS_OUTPUT_PROTOCOL**	io
+	);
+
+EFI_STATUS
+GraphGetModeInfo(
+	IN    UINTN mode,
+	OUT   EFI_GRAPHICS_OUTPUT_MODE_INFORMATION **info,
+	OUT	UINTN* szInfo
+	);
+
+typedef struct _RECT {
+	UINT32 left;
+	UINT32 top;
+	UINT32 right;
+	UINT32 bottom;
+} RECT, *PRECT;
+
+#pragma pack(1)
+typedef struct {
+	UINT32   Width;
+	UINT32   Height;
+	RECT     Dirty;
+	EFI_GRAPHICS_OUTPUT_BLT_PIXEL	 Pixels[0];
+} BLT_HEADER;
+#pragma pack()
+
+enum DRAW_OPERATION {
+	DrawOpSet = 0,
+	DrawOpOr,
+	DrawOpXor,
+	DrawOpClear,
+	DrawOpAlpha
+};
+
+typedef struct _DRAW_CONTEXT {
+	EFI_GRAPHICS_OUTPUT_BLT_PIXEL Color;
+	UINT32	Op;
+	UINT32	DashLine;
+	UINT32	Alpha; //< 0..255
+	EFI_GRAPHICS_OUTPUT_BLT_PIXEL AlphaColor;
+	INT32*		Brush;		// brush points(default 1)
+} DRAW_CONTEXT, *PDRAW_CONTEXT;
+
+extern DRAW_CONTEXT	gDrawContext;
+extern EFI_GRAPHICS_OUTPUT_BLT_PIXEL gColorBlack;
+extern EFI_GRAPHICS_OUTPUT_BLT_PIXEL gColorWhite;
+extern EFI_GRAPHICS_OUTPUT_BLT_PIXEL gColorBlue;
+extern EFI_GRAPHICS_OUTPUT_BLT_PIXEL gColorGreen;
+extern EFI_GRAPHICS_OUTPUT_BLT_PIXEL gColorRed;
+extern EFI_GRAPHICS_OUTPUT_BLT_PIXEL gColorGray;
+extern INT32 gBrush3[5 * 2];
+
+EFI_STATUS
+ScreenGetSize(
+	OUT UINTN     *Height,
+	OUT UINTN     *Width
+	);
+
+EFI_STATUS ScreenFillRect(
+	IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL *color,
+	IN UINTN                         x,
+	IN UINTN                         y,
+	IN UINTN                         width,
+	IN UINTN                         height
+	);
+
+EFI_STATUS ScreenDrawBlt(
+	IN BLT_HEADER *blt,
+	IN UINTN   x,
+	IN UINTN   y
+	);
+
+EFI_STATUS
+ScreenSaveBlt(
+	OUT BLT_HEADER **bltScreen
+	);
+
+EFI_STATUS ScreenUpdateDirty(
+	IN BLT_HEADER *blt
+	);
+
+EFI_STATUS
+BltDrawBlt(
+	IN OUT BLT_HEADER* canvas,
+	IN BLT_HEADER* blt,
+	IN UINTN x,
+	IN UINTN y
+	);
+
+EFI_STATUS
+RectMarkDirty(
+	IN OUT PRECT rect,
+	IN UINTN x,
+	IN UINTN y
+	);
+
+EFI_STATUS
+BltPoint(
+	IN BLT_HEADER* blt,
+	IN PDRAW_CONTEXT draw,
+	IN UINTN x,
+	IN UINTN y
+	);
+
+VOID
+BltLine(
+	IN BLT_HEADER* blt,
+	IN PDRAW_CONTEXT draw,
+	IN INT32 x0,
+	IN INT32 y0,
+	IN INT32 x1,
+	IN INT32 y1);
+
+VOID
+BltBox(
+	IN BLT_HEADER* blt,
+	IN PDRAW_CONTEXT draw,
+	IN INT32 x0,
+	IN INT32 y0,
+	IN INT32 x1,
+	IN INT32 y1);
+
+VOID
+BltCircle(
+	IN BLT_HEADER* blt,
+	IN PDRAW_CONTEXT draw,
+	IN INT32 xm,
+	IN INT32 ym,
+	IN INT32 r,
+	IN BOOLEAN fill);
+
+VOID
+BltText(
+	IN BLT_HEADER* blt,
+	IN PDRAW_CONTEXT draw,
+	IN INT32 x,
+	IN INT32 y,
+	IN INT32 scale, // 0..256 reduce 256... enlarge
+	IN CONST CHAR8 *text);
+
+
+EFI_STATUS
+BmpGetSize(
+	IN const unsigned char*      BmpImage,
+	IN UINTN      BmpImageSize,
+	OUT UINTN     *Height,
+	OUT UINTN     *Width
+	);
+
+EFI_STATUS
+BmpToBlt(
+	IN CONST VOID      *BmpImage,
+	IN  UINTN     BmpImageSize,
+	OUT BLT_HEADER **blt
+	);
+
+VOID
+BltFill(
+	IN BLT_HEADER* blt,
+	IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL	fill,
+	IN INT32 x0,
+	IN INT32 y0,
+	IN INT32 x1,
+	IN INT32 y1
+	);
+
+#endif
\ No newline at end of file
-- 
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