mirror of
https://github.com/scummvm/scummvm.git
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142 lines
4.1 KiB
C++
142 lines
4.1 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#include "common/debug.h"
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#include "common/rect.h"
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#include "common/str.h"
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#include "common/system.h"
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#include "graphics/surface.h"
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#include "adl/display.h"
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namespace Adl {
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Display::~Display() {
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delete[] _textBuf;
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_textSurface->free();
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delete _textSurface;
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_gfxSurface->free();
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delete _gfxSurface;
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}
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void Display::createSurfaces(uint gfxWidth, uint gfxHeight, uint splitHeight) {
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_gfxSurface = new Graphics::Surface;
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_gfxSurface->create(gfxWidth, gfxHeight, Graphics::PixelFormat::createFormatCLUT8());
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_textSurface = new Graphics::Surface;
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_textSurface->create(gfxWidth, gfxHeight, Graphics::PixelFormat::createFormatCLUT8());
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_splitHeight = splitHeight;
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}
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void Display::createTextBuffer(uint textWidth, uint textHeight) {
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_textWidth = textWidth;
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_textHeight = textHeight;
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_textBuf = new byte[textWidth * textHeight];
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memset(_textBuf, (byte)asciiToNative(' '), textWidth * textHeight);
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}
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void Display::setMode(Display::Mode mode) {
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_mode = mode;
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if (_mode == Display::kModeText || _mode == Display::kModeMixed)
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copyTextSurface();
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if (_mode == Display::kModeGraphics || _mode == Display::kModeMixed)
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copyGfxSurface();
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}
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void Display::copyTextSurface() {
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updateTextSurface();
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if (_mode == Display::kModeText)
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g_system->copyRectToScreen(_textSurface->getPixels(), _textSurface->pitch, 0, 0, _textSurface->w, _textSurface->h);
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else if (_mode == Display::kModeMixed)
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g_system->copyRectToScreen(_textSurface->getBasePtr(0, _textSurface->h - _splitHeight), _textSurface->pitch, 0, _textSurface->h - _splitHeight, _textSurface->w, _splitHeight);
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g_system->updateScreen();
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}
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void Display::copyGfxSurface() {
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updateGfxSurface();
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if (_mode == kModeGraphics)
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g_system->copyRectToScreen(_gfxSurface->getPixels(), _gfxSurface->pitch, 0, 0, _gfxSurface->w, _gfxSurface->h);
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else if (_mode == kModeMixed)
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g_system->copyRectToScreen(_gfxSurface->getPixels(), _gfxSurface->pitch, 0, 0, _gfxSurface->w, _gfxSurface->h - _splitHeight);
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g_system->updateScreen();
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}
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void Display::home() {
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memset(_textBuf, (byte)asciiToNative(' '), _textWidth * _textHeight);
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_cursorPos = 0;
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}
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void Display::moveCursorForward() {
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++_cursorPos;
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if (_cursorPos >= _textWidth * _textHeight)
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scrollUp();
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}
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void Display::moveCursorBackward() {
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if (_cursorPos > 0)
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--_cursorPos;
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}
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void Display::moveCursorTo(const Common::Point &pos) {
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_cursorPos = pos.y * _textWidth + pos.x;
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if (_cursorPos >= _textWidth * _textHeight)
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error("Cursor position (%i, %i) out of bounds", pos.x, pos.y);
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}
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void Display::printString(const Common::String &str) {
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Common::String::const_iterator c;
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for (c = str.begin(); c != str.end(); ++c)
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printChar(*c);
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copyTextSurface();
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}
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void Display::printAsciiString(const Common::String &str) {
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Common::String::const_iterator c;
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for (c = str.begin(); c != str.end(); ++c)
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printChar(asciiToNative(*c));
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copyTextSurface();
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}
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void Display::setCharAtCursor(byte c) {
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_textBuf[_cursorPos] = c;
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}
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void Display::scrollUp() {
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memmove(_textBuf, _textBuf + _textWidth, (_textHeight - 1) * _textWidth);
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memset(_textBuf + (_textHeight - 1) * _textWidth, asciiToNative(' '), _textWidth);
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if (_cursorPos >= _textWidth)
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_cursorPos -= _textWidth;
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}
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} // End of namespace Adl
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