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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/textconsole.h"
#include "titanic/support/font.h"
#include "titanic/support/files_manager.h"
#include "titanic/titanic.h"
namespace Titanic {
STFont::STFont() {
_dataPtr = nullptr;
_dataSize = 0;
_fontHeight = 0;
_dataWidth = 0;
_fontR = _fontG = _fontB = 0;
}
STFont::~STFont() {
delete[] _dataPtr;
}
void STFont::load(int fontNumber) {
assert(!_dataPtr);
Common::SeekableReadStream *stream = g_vm->_filesManager.getResource(
Common::WinResourceID("STFONT"), fontNumber);
if (!stream)
error("Could not locate the specified font");
_fontHeight = stream->readUint32LE();
_dataWidth = stream->readUint32LE();
for (uint idx = 0; idx < 256; ++idx)
_chars[idx]._width = stream->readUint32LE();
for (uint idx = 0; idx < 256; ++idx)
_chars[idx]._offset = stream->readUint32LE();
_dataSize = stream->readUint32LE();
_dataPtr = new byte[_dataSize];
stream->read(_dataPtr, _dataSize);
delete stream;
}
void STFont::setColor(byte r, byte g, byte b) {
_fontR = r;
_fontG = g;
_fontB = b;
}
uint16 STFont::getColor() const {
return g_system->getScreenFormat().RGBToColor(_fontR, _fontG, _fontB);
}
int STFont::getTextBounds(const CString &str, int maxWidth, Point *sizeOut) const {
Point textSize;
// Reset output dimensions if provided
if (sizeOut)
*sizeOut = Point(0, 0);
if (_fontHeight == 0 || !_dataPtr)
// No font, so return immediately
return 0;
// Loop through the characters of the string
if (!str.empty()) {
for (const char *strP = str.c_str(); *strP; ++strP) {
if (*strP == TEXTCMD_26) {
strP += 3;
} else if (*strP == TEXTCMD_SET_COLOR) {
strP += 4;
} else {
if (*strP == ' ') {
// Check fo rline wrapping
checkLineWrap(textSize, maxWidth, strP);
}
extendBounds(textSize, *strP, maxWidth);
}
}
}
if (sizeOut)
*sizeOut = textSize;
return textSize.y + _fontHeight;
}
int STFont::stringWidth(const CString &text) const {
if (text.empty())
return 0;
const char *srcP = text.c_str();
int total = 0;
char c;
while (c = *srcP++) {
if (c == 26) {
// Skip over command parameter bytes
srcP += 3;
} else if (c == TEXTCMD_SET_COLOR) {
// Skip over command parameter bytes
srcP += 4;
} else if (c != '\n') {
total += _chars[c]._width;
}
}
return total;
}
int STFont::writeString(CVideoSurface *surface, const Point &pt, const CString &str) {
return 0;
}
int STFont::writeChar(CVideoSurface *surface, unsigned char c, const Point &pt, Rect *destRect, Rect *srcRect) {
if (c == 233)
c = '$';
Rect tempRect;
tempRect.left = _chars[c]._offset;
tempRect.right = _chars[c]._offset + _chars[c]._width;
tempRect.top = 0;
tempRect.bottom = _fontHeight;
Point destPos(pt.x + destRect->left, pt.y + destRect->top);
if (srcRect->isEmpty())
srcRect = destRect;
if (destPos.y > srcRect->bottom)
return -2;
if ((destPos.y + tempRect.height()) > srcRect->bottom) {
tempRect.bottom += tempRect.top - destPos.y;
}
if (destPos.y < srcRect->top) {
if ((tempRect.height() + destPos.y) < srcRect->top)
return -1;
tempRect.top += srcRect->top - destPos.y;
destPos.y = srcRect->top;
}
if (destPos.x < srcRect->left) {
if ((tempRect.width() + destPos.x) < srcRect->left)
return -3;
tempRect.left += srcRect->left - destPos.x;
destPos.x = srcRect->left;
} else {
if ((tempRect.width() + destPos.x) > srcRect->right) {
if (destPos.x > srcRect->right)
return -4;
tempRect.right += srcRect->left - destPos.x;
}
}
copyRect(surface, destPos, tempRect);
return 0;
}
void STFont::copyRect(CVideoSurface *surface, const Point &pt, Rect &rect) {
if (surface->lock()) {
uint16 *lineP = surface->getBasePtr(pt.x, pt.y);
uint16 color = getColor();
for (int yp = rect.top; yp < rect.bottom; ++yp, lineP += surface->getPitch()) {
uint16 *destP = lineP;
for (int xp = rect.left; xp < rect.right; ++xp, ++destP) {
const byte *srcP = _dataPtr + yp * _dataWidth + xp;
//surface->changePixel(destP, color, *srcP >> 3, 1);
}
}
surface->unlock();
}
}
void STFont::extendBounds(Point &textSize, byte c, int maxWidth) const {
textSize.x += _chars[c]._width;
if (textSize.x == '\n' || textSize.x > maxWidth) {
textSize.x = 0;
textSize.y += _fontHeight;
}
}
void STFont::checkLineWrap(Point &textSize, int maxWidth, const char *&str) const {
bool flag = false;
int totalWidth = 0;
for (const char *srcPtr = str; *srcPtr && *srcPtr != ' '; ++srcPtr) {
if (*srcPtr == ' ' && flag)
break;
if (*srcPtr == TEXTCMD_26)
srcPtr += 3;
else if (*srcPtr == TEXTCMD_SET_COLOR)
srcPtr += 4;
else
totalWidth += _chars[*srcPtr]._width;
}
if ((textSize.x + totalWidth) >= maxWidth && totalWidth < maxWidth) {
// Word wrap
textSize.x = 0;
textSize.y += _fontHeight;
++str;
}
}
} // End of namespace Titanic
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