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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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; either version 2
* of the License, or (at your option) any later version.
*
* 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 for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "glk/debugger.h"
#include "glk/glk.h"
#include "glk/raw_decoder.h"
#include "common/file.h"
#include "graphics/managed_surface.h"
#include "image/png.h"
namespace Glk {
Debugger::Debugger() : GUI::Debugger() {
registerCmd("dumppic", WRAP_METHOD(Debugger, cmdDumpPic));
}
int Debugger::strToInt(const char *s) {
if (!*s)
// No string at all
return 0;
else if (toupper(s[strlen(s) - 1]) != 'H')
// Standard decimal string
return atoi(s);
// Hexadecimal string
uint tmp = 0;
int read = sscanf(s, "%xh", &tmp);
if (read < 1)
error("strToInt failed on string \"%s\"", s);
return (int)tmp;
}
bool Debugger::cmdDumpPic(int argc, const char **argv) {
if (argc != 2) {
debugPrintf("Format: dumppic <picture number>\n");
} else {
Common::File f;
int picNum = strToInt(argv[1]);
Common::String filename = Common::String::format("pic%d.png", picNum);
if (!f.exists(filename))
filename = Common::String::format("pic%d.jpg", picNum);
if (f.open(filename)) {
// png or jpeg file
Common::DumpFile df;
if (df.open(filename)) {
// Write out a copy of the file
byte *data = new byte[f.size()];
f.read(data, f.size());
df.write(data, f.size());
delete[] data;
df.close();
debugPrintf("Dumped picture\n");
} else {
debugPrintf("Could not find specified picture\n");
}
} else if (f.exists(Common::String::format("pic%d.rect", picNum))) {
debugPrintf("Picture is only a placeholder rectangle\n");
} else if (f.open(Common::String::format("pic%d.raw", picNum))) {
// Raw picture
#ifdef USE_PNG
Common::DumpFile df;
RawDecoder rd;
if (rd.loadStream(f) && df.open(Common::String::format("pic%d.png", picNum))) {
saveRawPicture(rd, df);
debugPrintf("Dumped picture\n");
} else {
debugPrintf("Couldn't save picture\n");
}
#else
debugPrintf("PNG support needed to dump raw pictures\n");
#endif
} else {
debugPrintf("No such picture exists\n");
}
}
return true;
}
void Debugger::saveRawPicture(const RawDecoder &rd, Common::WriteStream &ws) {
#ifdef USE_PNG
const Graphics::Surface *surface = rd.getSurface();
const byte *palette = rd.getPalette();
int paletteCount = rd.getPaletteColorCount();
int palStart = rd.getPaletteStartIndex();
int transColor = rd.getTransparentColor();
// If the image doesn't have a palette, we can directly write out the image
if (!palette) {
Image::writePNG(ws, *surface);
return;
}
// Create a new RGBA temporary surface
Graphics::PixelFormat format(4, 8, 8, 8, 8, 24, 16, 8, 0);
Graphics::ManagedSurface destSurface(surface->w, surface->h, format);
for (uint y = 0; y < surface->h; ++y) {
const byte *srcP = (const byte *)surface->getBasePtr(0, y);
uint32 *destP = (uint32 *)destSurface.getBasePtr(0, y);
for (uint x = 0; x < surface->w; ++x, ++srcP, ++destP) {
if ((int)*srcP == transColor || (int)*srcP < palStart) {
*destP = format.ARGBToColor(0, 0, 0, 0);
} else {
assert(*srcP < paletteCount);
const byte *palP = &palette[*srcP * 3];
*destP = format.ARGBToColor(255, palP[0], palP[1], palP[2]);
}
}
}
Image::writePNG(ws, destSurface);
#endif
}
} // End of namespace Glk
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