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scummvm/scumm/charset.cpp
Max Horn f4c7f37743 Make use of ScummVM::Rect 
svn-id: r7546
2003-05-15 22:30:32 +00:00

681 lines
18 KiB
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/* ScummVM - Scumm Interpreter
* Copyright (C) 2001-2003 The ScummVM project
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* $Header$
*/
#include "stdafx.h"
#include "charset.h"
#include "scumm.h"
#include "nut_renderer.h"
void CharsetRendererCommon::setCurID(byte id) {
_vm->checkRange(_vm->_maxCharsets - 1, 0, _curId, "Printing with bad charset %d");
_curId = id;
_fontPtr = _vm->getResourceAddress(rtCharset, id);
if (_fontPtr == 0)
error("CharsetRendererCommon::setCurID: charset %d not found!\n", id);
if (_vm->_features & GF_AFTER_V4)
_fontPtr += 17;
else
_fontPtr += 29;
}
void CharsetRendererV3::setCurID(byte id) {
_vm->checkRange(_vm->_maxCharsets - 1, 0, _curId, "Printing with bad charset %d");
_curId = id;
_fontPtr = _vm->getResourceAddress(rtCharset, id);
if (_fontPtr == 0)
error("CharsetRendererCommon::setCurID: charset %d not found!\n", id);
_nbChars = _fontPtr[4];
_fontPtr += 6;
_widthTable = _fontPtr;
_fontPtr += _nbChars;
}
// do spacing for variable width old-style font
int CharsetRendererClassic::getCharWidth(byte chr) {
int spacing = 0;
int offs = READ_LE_UINT32(_fontPtr + chr * 4 + 4);
if (offs) {
spacing = _fontPtr[offs];
if (_fontPtr[offs + 2] >= 0x80) {
spacing += _fontPtr[offs + 2] - 0x100;
} else {
spacing += _fontPtr[offs + 2];
}
}
return spacing;
}
int CharsetRenderer::getStringWidth(int arg, byte *text) {
int pos = 0;
int width = 1;
byte chr;
int oldID = getCurID();
while ((chr = text[pos++]) != 0) {
if (chr == 0xD)
break;
if (chr == '@')
continue;
if (chr == 254 || chr == 255) {
chr = text[pos++];
if (chr == 3) // 'WAIT'
break;
if (chr == 8) { // 'Verb on next line'
if (arg == 1)
break;
while (text[pos] == ' ')
text[pos++] = '@';
continue;
}
if (chr == 10 || chr == 21 || chr == 12 || chr == 13) {
pos += 2;
continue;
}
if (chr == 9 || chr == 1 || chr == 2) // 'Newline'
break;
if (chr == 14) {
int set = text[pos] | (text[pos + 1] << 8);
pos += 2;
setCurID(set);
continue;
}
}
width += getCharWidth(chr);
}
setCurID(oldID);
return width;
}
void CharsetRenderer::addLinebreaks(int a, byte *str, int pos, int maxwidth) {
int lastspace = -1;
int curw = 1;
byte chr;
int oldID = getCurID();
while ((chr = str[pos++]) != 0) {
if (chr == '@')
continue;
if (chr == 254)
chr = 255;
if (chr == 255) {
chr = str[pos++];
if (chr == 3) // 'Wait'
break;
if (chr == 8) { // 'Verb on next line'
if (a == 1) {
curw = 1;
} else {
while (str[pos] == ' ')
str[pos++] = '@';
}
continue;
}
if (chr == 10 || chr == 21 || chr == 12 || chr == 13) {
pos += 2;
continue;
}
if (chr == 1) { // 'Newline'
curw = 1;
continue;
}
if (chr == 2) // 'Don't terminate with \n'
break;
if (chr == 14) {
int set = str[pos] | (str[pos + 1] << 8);
pos += 2;
setCurID(set);
continue;
}
}
if (chr == ' ')
lastspace = pos - 1;
curw += getCharWidth(chr);
if (lastspace == -1)
continue;
if (curw > maxwidth) {
str[lastspace] = 0xD;
curw = 1;
pos = lastspace + 1;
lastspace = -1;
}
}
setCurID(oldID);
}
// German Zak font (should work for US version too).
static byte charsetDataV2[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x01, 0x03, 0x06, 0x0c, 0x18, 0x3e, 0x03, 0x00,
0x80, 0xc0, 0x60, 0x30, 0x18, 0x7c, 0xc0, 0x00,
0x00, 0x03, 0x3e, 0x18, 0x0c, 0x06, 0x03, 0x01,
0x00, 0xc0, 0x7c, 0x18, 0x30, 0x60, 0xc0, 0x80,
0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03,
0x03, 0x03, 0x03, 0x07, 0x07, 0x0f, 0x1f, 0x7f,
0xe0, 0x80, 0x00, 0x00, 0x00, 0x00, 0x80, 0xe0,
0x07, 0x01, 0x00, 0x00, 0x00, 0x00, 0x01, 0x07,
0x00, 0x00, 0x00, 0x01, 0x03, 0x06, 0x0c, 0x18,
0x00, 0x00, 0x00, 0x80, 0xc0, 0x60, 0x30, 0x18,
0x18, 0x30, 0x60, 0xc0, 0x80, 0x00, 0x00, 0x00,
0x18, 0x0c, 0x06, 0x03, 0x01, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x1f, 0x1f, 0x18, 0x18, 0x18,
0x00, 0x00, 0x00, 0xf8, 0xf8, 0x18, 0x18, 0x18,
0x18, 0x18, 0x18, 0xf8, 0xf8, 0x00, 0x00, 0x00,
0x18, 0x18, 0x18, 0x1f, 0x1f, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x03, 0x07, 0x0c, 0x18, 0x18,
0x00, 0x00, 0x00, 0xc0, 0xe0, 0x30, 0x18, 0x18,
0x18, 0x18, 0x30, 0xe0, 0xc0, 0x00, 0x00, 0x00,
0x18, 0x18, 0x0c, 0x07, 0x03, 0x00, 0x00, 0x00,
0x18, 0x18, 0x18, 0x1f, 0x1f, 0x18, 0x18, 0x18,
0x18, 0x18, 0x18, 0xf8, 0xf8, 0x18, 0x18, 0x18,
0x18, 0x18, 0x18, 0xff, 0xff, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0xff, 0xff, 0x18, 0x18, 0x18,
0x18, 0x18, 0x18, 0xff, 0xff, 0x18, 0x18, 0x18,
0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
0x00, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0x00,
0x18, 0x3c, 0x66, 0xc3, 0xc3, 0x66, 0x3c, 0x18,
0x18, 0x3c, 0x7e, 0xff, 0xff, 0x7e, 0x3c, 0x18,
0x18, 0x66, 0xc3, 0xdb, 0xdb, 0xc3, 0x66, 0x18,
0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x18, 0x18, 0x18, 0x18, 0x00, 0x00, 0x18, 0x00,
0x66, 0x66, 0x66, 0x00, 0x00, 0x00, 0x00, 0x00,
0x66, 0x66, 0xff, 0x66, 0xff, 0x66, 0x66, 0x00,
0x18, 0x3e, 0x60, 0x3c, 0x06, 0x7c, 0x18, 0x00,
0x62, 0x66, 0x0c, 0x18, 0x30, 0x66, 0x46, 0x00,
0x3c, 0x66, 0x3c, 0x38, 0x67, 0x66, 0x3f, 0x00,
0x30, 0x18, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00,
0x0c, 0x18, 0x30, 0x30, 0x30, 0x18, 0x0c, 0x00,
0x30, 0x18, 0x0c, 0x0c, 0x0c, 0x18, 0x30, 0x00,
0x00, 0x66, 0x3c, 0xff, 0x3c, 0x66, 0x00, 0x00,
0x00, 0x18, 0x18, 0x7e, 0x18, 0x18, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x30,
0x00, 0x00, 0x00, 0x7e, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x00,
0x00, 0x03, 0x06, 0x0c, 0x18, 0x30, 0x60, 0x00,
0x3c, 0x66, 0x66, 0x66, 0x66, 0x66, 0x3c, 0x00,
0x18, 0x18, 0x38, 0x18, 0x18, 0x18, 0x7e, 0x00,
0x3c, 0x66, 0x06, 0x0c, 0x30, 0x60, 0x7e, 0x00,
0x3c, 0x66, 0x06, 0x1c, 0x06, 0x66, 0x3c, 0x00,
0x06, 0x0e, 0x1e, 0x66, 0x7f, 0x06, 0x06, 0x00,
0x7e, 0x60, 0x7c, 0x06, 0x06, 0x66, 0x3c, 0x00,
0x3c, 0x66, 0x60, 0x7c, 0x66, 0x66, 0x3c, 0x00,
0x7e, 0x66, 0x0c, 0x18, 0x18, 0x18, 0x18, 0x00,
0x3c, 0x66, 0x66, 0x3c, 0x66, 0x66, 0x3c, 0x00,
0x3c, 0x66, 0x66, 0x3e, 0x06, 0x66, 0x3c, 0x00,
0x00, 0x00, 0x18, 0x00, 0x00, 0x18, 0x00, 0x00,
0x00, 0x00, 0x18, 0x00, 0x00, 0x18, 0x18, 0x30,
0x0e, 0x18, 0x30, 0x60, 0x30, 0x18, 0x0e, 0x00,
0x7c, 0x82, 0xba, 0xa2, 0xa2, 0xba, 0x82, 0x7c,
0x70, 0x18, 0x0c, 0x06, 0x0c, 0x18, 0x70, 0x00,
0x3c, 0x66, 0x06, 0x0c, 0x18, 0x00, 0x18, 0x00,
0x00, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0x00,
0x18, 0x3c, 0x66, 0x7e, 0x66, 0x66, 0x66, 0x00,
0x7c, 0x66, 0x66, 0x7c, 0x66, 0x66, 0x7c, 0x00,
0x3c, 0x66, 0x60, 0x60, 0x60, 0x66, 0x3c, 0x00,
0x78, 0x6c, 0x66, 0x66, 0x66, 0x6c, 0x78, 0x00,
0x7e, 0x60, 0x60, 0x78, 0x60, 0x60, 0x7e, 0x00,
0x7e, 0x60, 0x60, 0x78, 0x60, 0x60, 0x60, 0x00,
0x3c, 0x66, 0x60, 0x6e, 0x66, 0x66, 0x3c, 0x00,
0x66, 0x66, 0x66, 0x7e, 0x66, 0x66, 0x66, 0x00,
0x3c, 0x18, 0x18, 0x18, 0x18, 0x18, 0x3c, 0x00,
0x1e, 0x0c, 0x0c, 0x0c, 0x0c, 0x6c, 0x38, 0x00,
0x66, 0x6c, 0x78, 0x70, 0x78, 0x6c, 0x66, 0x00,
0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x7e, 0x00,
0x63, 0x77, 0x7f, 0x6b, 0x63, 0x63, 0x63, 0x00,
0x66, 0x76, 0x7e, 0x7e, 0x6e, 0x66, 0x66, 0x00,
0x3c, 0x66, 0x66, 0x66, 0x66, 0x66, 0x3c, 0x00,
0x7c, 0x66, 0x66, 0x7c, 0x60, 0x60, 0x60, 0x00,
0x3c, 0x66, 0x66, 0x66, 0x66, 0x3c, 0x0e, 0x00,
0x7c, 0x66, 0x66, 0x7c, 0x78, 0x6c, 0x66, 0x00,
0x3c, 0x66, 0x60, 0x3c, 0x06, 0x66, 0x3c, 0x00,
0x7e, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x00,
0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x3c, 0x00,
0x66, 0x66, 0x66, 0x66, 0x66, 0x3c, 0x18, 0x00,
0x63, 0x63, 0x63, 0x6b, 0x7f, 0x77, 0x63, 0x00,
0x66, 0x66, 0x3c, 0x18, 0x3c, 0x66, 0x66, 0x00,
0x66, 0x66, 0x66, 0x3c, 0x18, 0x18, 0x18, 0x00,
0x7e, 0x06, 0x0c, 0x18, 0x30, 0x60, 0x7e, 0x00,
0x66, 0x00, 0x66, 0x66, 0x66, 0x66, 0x3e, 0x00,
0x66, 0x00, 0x3c, 0x06, 0x3e, 0x66, 0x3e, 0x00,
0x66, 0x00, 0x66, 0x66, 0x66, 0x66, 0x3c, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0xdb, 0xdb, 0x00,
0x00, 0x10, 0x30, 0x7f, 0x7f, 0x30, 0x10, 0x00,
0x66, 0x66, 0x66, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x3c, 0x06, 0x3e, 0x66, 0x3e, 0x00,
0x00, 0x60, 0x60, 0x7c, 0x66, 0x66, 0x7c, 0x00,
0x00, 0x00, 0x3c, 0x60, 0x60, 0x60, 0x3c, 0x00,
0x00, 0x06, 0x06, 0x3e, 0x66, 0x66, 0x3e, 0x00,
0x00, 0x00, 0x3c, 0x66, 0x7e, 0x60, 0x3c, 0x00,
0x00, 0x0e, 0x18, 0x3e, 0x18, 0x18, 0x18, 0x00,
0x00, 0x00, 0x3e, 0x66, 0x66, 0x3e, 0x06, 0x7c,
0x00, 0x60, 0x60, 0x7c, 0x66, 0x66, 0x66, 0x00,
0x00, 0x18, 0x00, 0x38, 0x18, 0x18, 0x3c, 0x00,
0x00, 0x06, 0x00, 0x06, 0x06, 0x06, 0x06, 0x3c,
0x00, 0x60, 0x60, 0x6c, 0x78, 0x6c, 0x66, 0x00,
0x00, 0x38, 0x18, 0x18, 0x18, 0x18, 0x3c, 0x00,
0x00, 0x00, 0x66, 0x7f, 0x7f, 0x6b, 0x63, 0x00,
0x00, 0x00, 0x7c, 0x66, 0x66, 0x66, 0x66, 0x00,
0x00, 0x00, 0x3c, 0x66, 0x66, 0x66, 0x3c, 0x00,
0x00, 0x00, 0x7c, 0x66, 0x66, 0x7c, 0x60, 0x60,
0x00, 0x00, 0x3e, 0x66, 0x66, 0x3e, 0x06, 0x06,
0x00, 0x00, 0x7c, 0x66, 0x60, 0x60, 0x60, 0x00,
0x00, 0x00, 0x3e, 0x60, 0x3c, 0x06, 0x7c, 0x00,
0x00, 0x18, 0x7e, 0x18, 0x18, 0x18, 0x0e, 0x00,
0x00, 0x00, 0x66, 0x66, 0x66, 0x66, 0x3e, 0x00,
0x00, 0x00, 0x66, 0x66, 0x66, 0x3c, 0x18, 0x00,
0x00, 0x00, 0x63, 0x6b, 0x7f, 0x3e, 0x36, 0x00,
0x00, 0x00, 0x66, 0x3c, 0x18, 0x3c, 0x66, 0x00,
0x00, 0x00, 0x66, 0x66, 0x66, 0x3e, 0x0c, 0x78,
0x00, 0x00, 0x7e, 0x0c, 0x18, 0x30, 0x7e, 0x00,
0x66, 0x00, 0x3c, 0x66, 0x66, 0x66, 0x3c, 0x00,
0x66, 0x18, 0x3c, 0x66, 0x7e, 0x66, 0x66, 0x00,
0x42, 0x3c, 0x66, 0x66, 0x66, 0x66, 0x3c, 0x00,
0x1c, 0x36, 0x36, 0x7c, 0x66, 0x66, 0x7c, 0x40,
0x08, 0x0c, 0x0e, 0xff, 0xff, 0x0e, 0x0c, 0x08
};
void CharsetRendererV2::setCurID(byte id) {
_fontPtr = charsetDataV2;
#if 0
// Decompress weird encoding in which the Zak executable contains the font.
// I leave the code around in case we need to use it again (e.g. we might
// have to include different fonts for french/spanish/russian/... version
// of MM / Zak
//
int count = 0, len;
byte b;
for (int offset = 0; offset < (int)sizeof(charsetDataV2); offset++) {
if (charsetDataV2[offset+1] == 0x00 && charsetDataV2[offset+2] == 0xB2) {
b = charsetDataV2[offset+3];
len = charsetDataV2[offset+4];
while (len--) {
printf("0x%02x, ", b);
count++;
if (count % 8 == 0)
printf("\n");
}
offset += 6;
} else {
printf("0x%02x, ", charsetDataV2[offset]);
count++;
if (count % 8 == 0)
printf("\n");
}
}
printf("\n");
#endif
}
int CharsetRendererV3::getCharWidth(byte chr) {
int spacing = 0;
spacing = *(_widthTable + chr);
return spacing;
}
void CharsetRendererV3::setColor(byte color)
{
_color = color;
if (_vm->_features & GF_16COLOR) {
_dropShadow = ((_color & 0xF0) != 0);
_color &= 0x0f;
} else
_dropShadow = false;
}
void CharsetRendererV3::printChar(int chr) {
// Indy3 / Zak256 / Loom
VirtScreen *vs;
byte *char_ptr, *dest_ptr, *mask_ptr;
unsigned int buffer = 0, bit = 0, x = 0, y = 0;
bool useMask;
int w, h;
if (!_dropShadow) {
w = h = 8;
} else {
w = h = 9;
}
_vm->checkRange(_vm->_maxCharsets - 1, 0, _curId, "Printing with bad charset %d");
if ((vs = _vm->findVirtScreen(_top)) == NULL)
return;
if (chr == '@')
return;
if (_firstChar) {
_str.left = _left;
_str.top = _top;
_str.right = _left;
_str.bottom = _top;
_firstChar = false;
}
char_ptr = _fontPtr + chr * 8;
dest_ptr = vs->screenPtr + vs->xstart + (_top - vs->topline) * _vm->_screenWidth + _left;
mask_ptr = _vm->getResourceAddress(rtBuffer, 9) + _vm->_screenStartStrip + (_top - vs->topline) * _vm->gdi._numStrips + _left / 8;
useMask = (vs->number == 0 && !_ignoreCharsetMask);
_vm->updateDirtyRect(vs->number, _left, _left + w, _top - vs->topline, _top - vs->topline + h, 0);
if (vs->number == 0)
_hasMask = true;
for (y = 0; y < 8; y++) {
byte maskmask = revBitMask[_left & 7];
int maskpos = 0;
for (x = 0; x < 8; x++) {
if ((bit >>= 1) == 0) {
buffer = *char_ptr++;
bit = 0x80;
}
if (buffer & bit) {
if (_dropShadow) {
*(dest_ptr + x + 1) = 0;
*(dest_ptr + x + _vm->_screenWidth) = 0;
*(dest_ptr + x + _vm->_screenWidth + 1) = 0;
}
*(dest_ptr + x) = _color;
if (useMask) {
mask_ptr[maskpos] |= maskmask;
if (_dropShadow) {
mask_ptr[maskpos + _vm->gdi._numStrips] |= maskmask;
if (maskmask == 1) {
mask_ptr[maskpos + 1] |= 0x80;
mask_ptr[maskpos + _vm->gdi._numStrips + 1] |= 0x80;
} else {
mask_ptr[maskpos] |= (maskmask >> 1);
mask_ptr[maskpos + _vm->gdi._numStrips] |= (maskmask >> 1);
}
}
}
}
maskmask >>= 1;
if (maskmask == 0) {
maskmask = 0x80;
maskpos++;
}
}
dest_ptr += _vm->_screenWidth;
mask_ptr += _vm->gdi._numStrips;
}
if (_str.left > _left)
_str.left = _left;
_left += getCharWidth(chr);
if (_str.right < _left) {
_str.right = _left;
if (_dropShadow)
_str.right++;
}
if (_str.bottom < _top + h)
_str.bottom = _top + h;
}
void CharsetRendererClassic::printChar(int chr) {
int width, height;
int offsX, offsY;
int d;
VirtScreen *vs;
_vm->checkRange(_vm->_maxCharsets - 1, 1, _curId, "Printing with bad charset %d");
if ((vs = _vm->findVirtScreen(_top)) == NULL)
return;
if (chr == '@')
return;
_bpp = *_fontPtr;
_vm->_charsetColorMap[1] = _color;
uint32 charOffs = READ_LE_UINT32(_fontPtr + chr * 4 + 4);
if (!charOffs)
return;
assert(charOffs < 0x10000);
_charPtr = _fontPtr + charOffs;
width = _charPtr[0];
height = _charPtr[1];
if (_firstChar) {
_str.left = 0;
_str.top = 0;
_str.right = 0;
_str.bottom = 0;
}
if (_disableOffsX) {
offsX = 0;
} else {
d = _charPtr[2];
if (d >= 0x80)
d -= 0x100;
offsX = d;
}
d = _charPtr[3];
if (d >= 0x80)
d -= 0x100;
offsY = d;
_top += offsY;
_left += offsX;
if (_left + width > _right + 1 || _left < 0) {
_left += width;
_top -= offsY;
return;
}
_disableOffsX = false;
if (_firstChar) {
_str.left = _left;
_str.top = _top;
_str.right = _left;
_str.bottom = _top;
_firstChar = false;
}
if (_left < _str.left)
_str.left = _left;
if (_top < _str.top)
_str.top = _top;
int drawTop = _top - vs->topline;
if (drawTop < 0)
drawTop = 0;
int bottom = drawTop + height + offsY;
_vm->updateDirtyRect(vs->number, _left, _left + width, drawTop, bottom, 0);
if (vs->number != 0)
_blitAlso = false;
if (vs->number == 0 && !_blitAlso)
_hasMask = true;
_charPtr += 4;
byte *mask = _vm->getResourceAddress(rtBuffer, 9)
+ drawTop * _vm->gdi._numStrips + _left / 8 + _vm->_screenStartStrip;
byte *dst = vs->screenPtr + vs->xstart + drawTop * _vm->_screenWidth + _left;
if (_blitAlso) {
byte *back = dst;
dst = _vm->getResourceAddress(rtBuffer, vs->number + 5)
+ vs->xstart + drawTop * _vm->_screenWidth + _left;
drawBits(vs, dst, mask, drawTop, width, height);
_vm->blit(back, dst, width, height);
} else {
drawBits(vs, dst, mask, drawTop, width, height);
}
_left += width;
if (_left > _str.right)
_str.right = _left;
if (_top + height > _str.bottom)
_str.bottom = _top + height;
_top -= offsY;
}
void CharsetRendererClassic::drawBits(VirtScreen *vs, byte *dst, byte *mask, int drawTop, int width, int height) {
byte maskmask;
int y, x;
int maskpos;
int color;
byte numbits, bits;
bool useMask = (vs->number == 0 && !_ignoreCharsetMask);
bits = *_charPtr++;
numbits = 8;
y = 0;
for (y = 0; y < height && y + drawTop < vs->height; y++) {
maskmask = revBitMask[_left & 7];
maskpos = 0;
for (x = 0; x < width; x++) {
int myMask = (0xFF << (8 - _bpp)) & 0xFF;
int myColor = (bits & myMask) >> (8 - _bpp);
color = (bits >> (8 - _bpp)) & 0xFF;
assert(color == myColor);
if (color) {
if (useMask) {
mask[maskpos] |= maskmask;
}
*dst = _vm->_charsetColorMap[color];
}
dst++;
bits <<= _bpp;
numbits -= _bpp;
if (numbits == 0) {
bits = *_charPtr++;
numbits = 8;
}
maskmask >>= 1;
if (maskmask == 0) {
maskmask = 0x80;
maskpos++;
}
}
dst += _vm->_screenWidth - width;
mask += _vm->gdi._numStrips;
}
}
CharsetRendererNut::CharsetRendererNut(Scumm *vm)
: CharsetRenderer(vm) {
_current = 0;
for (int i = 0; i < 5; i++) {
char fontname[256];
sprintf(fontname, "font%d.nut", i);
_fr[i] = new NutRenderer(_vm);
if (!(_fr[i]->loadFont(fontname, _vm->getGameDataPath()))) {
delete _fr[i];
_fr[i] = NULL;
}
}
}
CharsetRendererNut::~CharsetRendererNut() {
for (int i = 0; i < 5; i++)
delete _fr[i];
}
void CharsetRendererNut::setCurID(byte id) {
assert(id < 5);
_curId = id;
_current = _fr[id];
assert(_current);
}
int CharsetRendererNut::getCharWidth(byte chr) {
assert(_current);
return _current->getCharWidth(chr);
}
int CharsetRendererNut::getFontHeight() {
// FIXME / TODO: how to implement this properly???
assert(_current);
return _current->getCharHeight('|');
}
void CharsetRendererNut::printChar(int chr) {
assert(_current);
if (chr == '@')
return;
if (_firstChar) {
_str.left = _left;
_str.top = _top;
_str.right = _left;
_str.bottom = _top;
_firstChar = false;
}
int width = _current->getCharWidth(chr);
int height = _current->getCharHeight(chr);
_hasMask = true;
_current->drawChar((char)chr, _left, _top, _color, !_ignoreCharsetMask);
_vm->updateDirtyRect(0, _left, _left + width, _top, _top + height, 0);
_left += width;
if (_left > _str.right)
_str.right = _left;
if (_top + height > _str.bottom)
_str.bottom = _top + height;
}
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