diff options
| author | hrydgard <hrydgard@gmail.com> | 2008-07-12 17:40:22 +0000 |
|---|---|---|
| committer | hrydgard <hrydgard@gmail.com> | 2008-07-12 17:40:22 +0000 |
| commit | 775dc8a9c0c83f7a2f776e97f5b90385c759535a (patch) | |
| tree | 305bc72e0917f9dd52da3de6b3c81185cd18aaed /Source/Core/DiscIO/Src/BannerLoaderGC.cpp | |
| parent | a3be5d89ae21b1c158266c61e312c2b7969c9082 (diff) | |
Initial megacommit.
git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@4 8ced0084-cf51-0410-be5f-012b33b47a6e
Diffstat (limited to 'Source/Core/DiscIO/Src/BannerLoaderGC.cpp')
| -rw-r--r-- | Source/Core/DiscIO/Src/BannerLoaderGC.cpp | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/Source/Core/DiscIO/Src/BannerLoaderGC.cpp b/Source/Core/DiscIO/Src/BannerLoaderGC.cpp new file mode 100644 index 0000000000..0707cb2053 --- /dev/null +++ b/Source/Core/DiscIO/Src/BannerLoaderGC.cpp @@ -0,0 +1,192 @@ +// Copyright (C) 2003-2008 Dolphin Project.
+
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, version 2.0.
+
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License 2.0 for more details.
+
+// A copy of the GPL 2.0 should have been included with the program.
+// If not, see http://www.gnu.org/licenses/
+
+// Official SVN repository and contact information can be found at
+// http://code.google.com/p/dolphin-emu/
+
+#include "stdafx.h"
+
+#include "BannerLoaderGC.h"
+
+namespace DiscIO
+{
+CBannerLoaderGC::CBannerLoaderGC(DiscIO::IFileSystem& _rFileSystem)
+ : m_pBannerFile(NULL),
+ m_IsValid(false)
+{
+ // build LUT Table
+ for (int i = 0; i < 8; i++)
+ {
+ lut3to8[i] = (i * 255) / 7;
+ }
+
+ for (int i = 0; i < 16; i++)
+ {
+ lut4to8[i] = (i * 255) / 15;
+ }
+
+ for (int i = 0; i < 32; i++)
+ {
+ lut5to8[i] = (i * 255) / 31;
+ }
+
+ // load the opening.bnr
+ size_t FileSize = _rFileSystem.GetFileSize("opening.bnr");
+
+ if (FileSize > 0)
+ {
+ m_pBannerFile = new u8[FileSize];
+ _rFileSystem.ReadFile("opening.bnr", m_pBannerFile, FileSize);
+ m_IsValid = true;
+ }
+}
+
+
+CBannerLoaderGC::~CBannerLoaderGC()
+{
+ delete[] m_pBannerFile;
+}
+
+
+bool
+CBannerLoaderGC::IsValid()
+{
+ return(m_IsValid);
+}
+
+
+bool
+CBannerLoaderGC::GetBanner(u32* _pBannerImage)
+{
+ if (!IsValid())
+ {
+ return(false);
+ }
+
+ DVDBanner2* pBanner = (DVDBanner2*)m_pBannerFile;
+ decode5A3image(_pBannerImage, pBanner->image, DVD_BANNER_WIDTH, DVD_BANNER_HEIGHT);
+
+ return(true);
+}
+
+
+bool
+CBannerLoaderGC::GetName(std::string& _rName)
+{
+ _rName = "invalid image";
+
+ if (!IsValid())
+ {
+ return(false);
+ }
+
+ DVDBanner2* pBanner = (DVDBanner2*)m_pBannerFile;
+
+ if (!CopyToStringAndCheck(_rName, pBanner->comment[0].longTitle))
+ {
+ return(false);
+ }
+
+ return(true);
+}
+
+
+bool
+CBannerLoaderGC::GetCompany(std::string& _rCompany)
+{
+ _rCompany = "invalid images";
+
+ if (!IsValid())
+ {
+ return(false);
+ }
+
+ DVDBanner2* pBanner = (DVDBanner2*)m_pBannerFile;
+
+ if (!CopyToStringAndCheck(_rCompany, pBanner->comment[0].shortMaker))
+ {
+ return(false);
+ }
+
+ return(true);
+}
+
+
+bool
+CBannerLoaderGC::GetDescription(std::string& _rDescription)
+{
+ _rDescription = "invalid images";
+
+ if (!IsValid())
+ {
+ return(false);
+ }
+
+ DVDBanner2* pBanner = (DVDBanner2*)m_pBannerFile;
+
+ if (!CopyToStringAndCheck(_rDescription, pBanner->comment[0].comment))
+ {
+ _rDescription = "";
+ }
+
+ return(true);
+}
+
+
+u32
+CBannerLoaderGC::decode5A3(u16 val)
+{
+ u32 bannerBGColor = 0x00000000;
+
+ int r, g, b, a;
+
+ if ((val & 0x8000))
+ {
+ r = lut5to8[(val >> 10) & 0x1f];
+ g = lut5to8[(val >> 5) & 0x1f];
+ b = lut5to8[(val) & 0x1f];
+ a = 0xFF;
+ }
+ else
+ {
+ a = lut3to8[(val >> 12) & 0x7];
+ r = (lut4to8[(val >> 8) & 0xf] * a + (bannerBGColor & 0xFF) * (255 - a)) / 255;
+ g = (lut4to8[(val >> 4) & 0xf] * a + ((bannerBGColor >> 8) & 0xFF) * (255 - a)) / 255;
+ b = (lut4to8[(val) & 0xf] * a + ((bannerBGColor >> 16) & 0xFF) * (255 - a)) / 255;
+ a = 0xFF;
+ }
+
+ return((a << 24) | (r << 16) | (g << 8) | b);
+}
+
+
+void
+CBannerLoaderGC::decode5A3image(u32* dst, u16* src, int width, int height)
+{
+ for (int y = 0; y < height; y += 4)
+ {
+ for (int x = 0; x < width; x += 4)
+ {
+ for (int iy = 0; iy < 4; iy++, src += 4)
+ {
+ for (int ix = 0; ix < 4; ix++)
+ {
+ u32 RGBA = decode5A3(Common::swap16(src[ix]));
+ dst[(y + iy) * 96 + (x + ix)] = RGBA;
+ }
+ }
+ }
+ }
+}
+} // namespace
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