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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/algorithm.h"
#include "access/data.h"
namespace Access {
TimerList::TimerList() : Common::Array<TimerEntry>() {
_timersSavedFlag = false;
}
void TimerList::saveTimers() {
if (!_timersSavedFlag /* && !_flashbackFlag */) {
_savedTimers = *this;
_timersSavedFlag = true;
}
}
void TimerList::restoreTimers() {
if (_timersSavedFlag /* && !_flashbackFlag */) {
clear();
*static_cast<Common::Array<TimerEntry> *>(this) = _savedTimers;
_timersSavedFlag = false;
}
}
/*------------------------------------------------------------------------*/
byte Font::_fontColors[4];
Font::Font() {
}
Font::~Font() {
for (uint i = 0; i < _chars.size(); ++i)
_chars[i].free();
}
void Font::load(const int *fontIndex, const byte *fontData) {
assert(_chars.size() == 0);
int count = fontIndex[0];
_bitWidth = fontIndex[1];
_height = fontIndex[2];
_chars.resize(count);
for (int i = 0; i < count; ++i) {
const byte *pData = fontData + fontIndex[i + 3];
_chars[i].create(*pData++, _height, Graphics::PixelFormat::createFormatCLUT8());
for (int y = 0; y < _height; ++y) {
int bitsLeft = 0;
byte srcByte = 0;
byte pixel;
byte *pDest = (byte *)_chars[i].getBasePtr(0, y);
for (int x = 0; x < _chars[i].w; ++x, ++pDest) {
// Get the pixel
pixel = 0;
for (int pixelCtr = 0; pixelCtr < _bitWidth; ++pixelCtr, --bitsLeft) {
// No bits in current byte left, so get next byte
if (bitsLeft == 0) {
bitsLeft = 8;
srcByte = *pData++;
}
pixel = (pixel << 1) | (srcByte >> 7);
srcByte <<= 1;
}
// Write out the pixel
*pDest = pixel;
}
}
}
}
int Font::charWidth(char c) {
return _chars[c - ' '].w;
}
int Font::stringWidth(const Common::String &msg) {
int total = 0;
for (const char *c = msg.c_str(); *c != '\0'; ++c)
total += charWidth(*c);
return total;
}
bool Font::getLine(Common::String &s, int maxWidth, Common::String &line, int &width) {
assert(maxWidth > 0);
width = 0;
const char *src = s.c_str();
char c;
while ((c = *src) != '\0') {
if (c == '\r') {
// End of line, so return calculated line
line = Common::String(s.c_str(), src - 1);
s = Common::String(src + 1);
return false;
}
++src;
width += charWidth(c);
if (width < maxWidth)
continue;
// Reached maximum allowed. Work backwards to find space at the
// start of the current word as a point to split the line on
--src;
while (src >= s.c_str() && *src != ' ') {
width -= charWidth(*src);
--src;
}
if (src < s.c_str())
error("Could not fit line");
// Split the line around the space
line = Common::String(s.c_str(), src - 1);
s = Common::String(src + 1);
return false;
}
// Return entire string
line = s;
s = Common::String();
return true;
}
void Font::drawString(Graphics::Surface *s, const Common::String &msg, const Common::Point &pt) {
Common::Point currPt = pt;
const char *msgP = msg.c_str();
while (*msgP) {
currPt.x += drawChar(s, *msgP, currPt);
++msgP;
}
}
int Font::drawChar(Graphics::Surface *s, char c, Common::Point &pt) {
Graphics::Surface &ch = _chars[c - ' '];
// Loop through the lines of the character
for (int y = 0; y < ch.h; ++y) {
byte *pSrc = (byte *)ch.getBasePtr(0, y);
byte *pDest = (byte *)s->getBasePtr(pt.x, pt.y + y);
// Loop through the horizontal pixels of the line
for (int x = 0; x < ch.w; ++x, ++pSrc, ++pDest) {
if (*pSrc != 0)
*pDest = _fontColors[*pSrc];
}
}
return ch.w;
}
/*------------------------------------------------------------------------*/
FontManager::FontManager() {
_printMaxX = 0;
Common::fill(&Font::_fontColors[0], &Font::_fontColors[4], 0);
}
} // End of namespace Access
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