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Diffstat (limited to 'Include/Library/GraphLib.h')
| -rw-r--r-- | Include/Library/GraphLib.h | 200 |
1 files changed, 200 insertions, 0 deletions
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
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