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1 | /**@file\r | |
2 | This file contains the Glyph related function.\r | |
3 | \r | |
4 | Copyright (c) 2006 - 2008, Intel Corporation\r | |
5 | All rights reserved. This program and the accompanying materials\r | |
6 | are licensed and made available under the terms and conditions of the BSD License\r | |
7 | which accompanies this distribution. The full text of the license may be found at\r | |
8 | http://opensource.org/licenses/bsd-license.php\r | |
9 | \r | |
10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
12 | \r | |
13 | **/\r | |
14 | \r | |
15 | \r | |
16 | #include "HiiDatabase.h"\r | |
17 | \r | |
18 | EFI_NARROW_GLYPH mNarrowGlyphBuffer = {0, 0, {0}};\r | |
19 | \r | |
20 | BOOLEAN mSysFontColorCached = FALSE;\r | |
21 | EFI_GRAPHICS_OUTPUT_BLT_PIXEL mSysFGColor = {0};\r | |
22 | \r | |
23 | \r | |
24 | /**\r | |
25 | This function is only called by Graphics Console module and GraphicsLib. \r | |
26 | EDK II provides a UEFI Graphics Console module. ECP provides a GraphicsLib \r | |
27 | complying to UEFI HII.\r | |
28 | \r | |
29 | This function will ASSERT and return EFI_UNSUPPORTED.\r | |
30 | \r | |
31 | @param This N.A.\r | |
32 | @param Source N.A.\r | |
33 | @param Index N.A.\r | |
34 | @param GlyphBuffer N.A.\r | |
35 | @param BitWidth N.A.\r | |
36 | @param InternalStatus N.A.\r | |
37 | \r | |
38 | @return EFI_UNSUPPORTED N.A.\r | |
39 | \r | |
40 | **/\r | |
41 | EFI_STATUS\r | |
42 | EFIAPI\r | |
43 | HiiGetGlyph (\r | |
44 | IN EFI_HII_PROTOCOL *This,\r | |
45 | IN CHAR16 *Source,\r | |
46 | IN OUT UINT16 *Index,\r | |
47 | OUT UINT8 **GlyphBuffer,\r | |
48 | OUT UINT16 *BitWidth,\r | |
49 | IN OUT UINT32 *InternalStatus\r | |
50 | )\r | |
51 | {\r | |
52 | EFI_STATUS Status;\r | |
53 | EFI_IMAGE_OUTPUT *Blt;\r | |
54 | EFI_FONT_DISPLAY_INFO *FontInfo;\r | |
55 | UINTN Xpos;\r | |
56 | UINTN Ypos;\r | |
57 | UINTN BaseLine;\r | |
58 | \r | |
59 | if (!mSysFontColorCached) {\r | |
60 | //\r | |
61 | // Cache the system font's foreground color.\r | |
62 | //\r | |
63 | Status = mHiiFontProtocol->GetFontInfo (\r | |
64 | mHiiFontProtocol,\r | |
65 | NULL,\r | |
66 | NULL,\r | |
67 | &FontInfo,\r | |
68 | NULL\r | |
69 | );\r | |
70 | \r | |
71 | if (!EFI_ERROR (Status)) {\r | |
72 | ASSERT (StrCmp (FontInfo->FontInfo.FontName, L"sysdefault") == 0);\r | |
73 | mSysFGColor = FontInfo->ForegroundColor;\r | |
74 | FreePool (FontInfo);\r | |
75 | \r | |
76 | mSysFontColorCached = TRUE;\r | |
77 | }\r | |
78 | \r | |
79 | }\r | |
80 | \r | |
81 | Blt = NULL;\r | |
82 | Status = mHiiFontProtocol->GetGlyph (\r | |
83 | mHiiFontProtocol,\r | |
84 | Source[*Index],\r | |
85 | NULL,\r | |
86 | &Blt,\r | |
87 | &BaseLine\r | |
88 | );\r | |
89 | \r | |
90 | if (!EFI_ERROR (Status)) {\r | |
91 | //\r | |
92 | // For simplicity, we only handle Narrow Glyph.\r | |
93 | //\r | |
94 | ASSERT (Blt->Height == EFI_GLYPH_HEIGHT);\r | |
95 | ASSERT (Blt->Width == EFI_GLYPH_WIDTH);\r | |
96 | \r | |
97 | if (Blt->Height == EFI_GLYPH_HEIGHT && Blt->Width == EFI_GLYPH_WIDTH) {\r | |
98 | \r | |
99 | ZeroMem (&mNarrowGlyphBuffer, sizeof (mNarrowGlyphBuffer));\r | |
100 | mNarrowGlyphBuffer.UnicodeWeight = *Source;\r | |
101 | for (Ypos = 0; Ypos < EFI_GLYPH_HEIGHT; Ypos++) {\r | |
102 | for (Xpos = 0; Xpos < EFI_GLYPH_WIDTH; Xpos++) {\r | |
103 | if (CompareMem (&Blt->Image.Bitmap[Ypos * EFI_GLYPH_WIDTH + Xpos], &mSysFGColor, sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL)) == 0) {\r | |
104 | mNarrowGlyphBuffer.GlyphCol1[Ypos] |= 1 << (EFI_GLYPH_WIDTH - 1 - Xpos);\r | |
105 | }\r | |
106 | }\r | |
107 | }\r | |
108 | \r | |
109 | *GlyphBuffer = (UINT8 *) &mNarrowGlyphBuffer;\r | |
110 | *BitWidth = EFI_GLYPH_WIDTH;\r | |
111 | *Index += 1;\r | |
112 | } else {\r | |
113 | Status = EFI_NOT_FOUND;\r | |
114 | }\r | |
115 | \r | |
116 | }\r | |
117 | \r | |
118 | if (EFI_ERROR (Status)) {\r | |
119 | *GlyphBuffer = NULL;\r | |
120 | }\r | |
121 | return Status;\r | |
122 | }\r | |
123 | \r | |
124 | /**\r | |
125 | This function is only called by Graphics Console module and GraphicsLib. \r | |
126 | EDK II provides a UEFI Graphics Console module. ECP provides a GraphicsLib \r | |
127 | complying to UEFI HII.\r | |
128 | \r | |
129 | This function will ASSERT and return EFI_UNSUPPORTED.\r | |
130 | \r | |
131 | @param This N.A.\r | |
132 | @param GlyphBuffer N.A.\r | |
133 | @param Foreground N.A.\r | |
134 | @param Background N.A.\r | |
135 | @param Count N.A.\r | |
136 | @param Width N.A.\r | |
137 | @param Height N.A.\r | |
138 | @param BltBuffer N.A.\r | |
139 | \r | |
140 | @return EFI_UNSUPPORTED N.A.\r | |
141 | \r | |
142 | **/\r | |
143 | EFI_STATUS\r | |
144 | EFIAPI\r | |
145 | HiiGlyphToBlt (\r | |
146 | IN EFI_HII_PROTOCOL *This,\r | |
147 | IN UINT8 *GlyphBuffer,\r | |
148 | IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL Foreground,\r | |
149 | IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL Background,\r | |
150 | IN UINTN Count,\r | |
151 | IN UINTN Width,\r | |
152 | IN UINTN Height,\r | |
153 | IN OUT EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer\r | |
154 | )\r | |
155 | {\r | |
156 | UINTN X;\r | |
157 | UINTN Y;\r | |
158 | \r | |
159 | //\r | |
160 | // Convert Monochrome bitmap of the Glyph to BltBuffer structure\r | |
161 | //\r | |
162 | for (Y = 0; Y < Height; Y++) {\r | |
163 | for (X = 0; X < Width; X++) {\r | |
164 | if ((((EFI_NARROW_GLYPH *) GlyphBuffer)->GlyphCol1[Y] & (1 << X)) != 0) {\r | |
165 | BltBuffer[Y * Width * Count + (Width - X - 1)] = Foreground;\r | |
166 | } else {\r | |
167 | BltBuffer[Y * Width * Count + (Width - X - 1)] = Background;\r | |
168 | }\r | |
169 | }\r | |
170 | }\r | |
171 | \r | |
172 | return EFI_SUCCESS;\r | |
173 | }\r |