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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 "common/debug.h"
#include "common/rect.h"
#include "common/str.h"
#include "common/system.h"
#include "graphics/surface.h"
#include "adl/display.h"
namespace Adl {
Display::~Display() {
delete[] _textBuf;
_textSurface->free();
delete _textSurface;
_gfxSurface->free();
delete _gfxSurface;
}
void Display::createSurfaces(uint gfxWidth, uint gfxHeight, uint splitHeight) {
_gfxSurface = new Graphics::Surface;
_gfxSurface->create(gfxWidth, gfxHeight, Graphics::PixelFormat::createFormatCLUT8());
_textSurface = new Graphics::Surface;
_textSurface->create(gfxWidth, gfxHeight, Graphics::PixelFormat::createFormatCLUT8());
_splitHeight = splitHeight;
}
void Display::createTextBuffer(uint textWidth, uint textHeight) {
_textWidth = textWidth;
_textHeight = textHeight;
_textBuf = new byte[textWidth * textHeight];
memset(_textBuf, asciiToNative(' '), textWidth * textHeight);
}
void Display::setMode(Display::Mode mode) {
_mode = mode;
if (_mode == Display::kModeText || _mode == Display::kModeMixed)
copyTextSurface();
if (_mode == Display::kModeGraphics || _mode == Display::kModeMixed)
copyGfxSurface();
}
void Display::copyTextSurface() {
updateTextSurface();
if (_mode == Display::kModeText)
g_system->copyRectToScreen(_textSurface->getPixels(), _textSurface->pitch, 0, 0, _textSurface->w, _textSurface->h);
else if (_mode == Display::kModeMixed)
g_system->copyRectToScreen(_textSurface->getBasePtr(0, _textSurface->h - _splitHeight), _textSurface->pitch, 0, _textSurface->h - _splitHeight, _textSurface->w, _splitHeight);
g_system->updateScreen();
}
void Display::copyGfxSurface() {
updateGfxSurface();
if (_mode == kModeGraphics)
g_system->copyRectToScreen(_gfxSurface->getPixels(), _gfxSurface->pitch, 0, 0, _gfxSurface->w, _gfxSurface->h);
else if (_mode == kModeMixed)
g_system->copyRectToScreen(_gfxSurface->getPixels(), _gfxSurface->pitch, 0, 0, _gfxSurface->w, _gfxSurface->h - _splitHeight);
g_system->updateScreen();
}
void Display::home() {
memset(_textBuf, asciiToNative(' '), _textWidth * _textHeight);
_cursorPos = 0;
}
void Display::moveCursorForward() {
++_cursorPos;
if (_cursorPos >= _textWidth * _textHeight)
scrollUp();
}
void Display::moveCursorBackward() {
if (_cursorPos > 0)
--_cursorPos;
}
void Display::moveCursorTo(const Common::Point &pos) {
_cursorPos = pos.y * _textWidth + pos.x;
if (_cursorPos >= _textWidth * _textHeight)
error("Cursor position (%i, %i) out of bounds", pos.x, pos.y);
}
void Display::printString(const Common::String &str) {
Common::String::const_iterator c;
for (c = str.begin(); c != str.end(); ++c)
printChar(*c);
copyTextSurface();
}
void Display::printAsciiString(const Common::String &str) {
Common::String::const_iterator c;
for (c = str.begin(); c != str.end(); ++c)
printChar(asciiToNative(*c));
copyTextSurface();
}
void Display::setCharAtCursor(byte c) {
_textBuf[_cursorPos] = c;
}
void Display::scrollUp() {
memmove(_textBuf, _textBuf + _textWidth, (_textHeight - 1) * _textWidth);
memset(_textBuf + (_textHeight - 1) * _textWidth, asciiToNative(' '), _textWidth);
if (_cursorPos >= _textWidth)
_cursorPos -= _textWidth;
}
} // End of namespace Adl
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