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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.
*
* $URL$
* $Id$
*
*/
#include "common/util.h"
#include "common/stack.h"
#include "graphics/primitives.h"
#include "sci/sci.h"
#include "sci/engine/state.h"
#include "sci/graphics/cache.h"
#include "sci/graphics/ports.h"
#include "sci/graphics/paint16.h"
#include "sci/graphics/font.h"
#include "sci/graphics/text16.h"
namespace Sci {
GfxText16::GfxText16(ResourceManager *resMan, GfxCache *cache, GfxPorts *ports, GfxPaint16 *paint16, GfxScreen *screen)
: _resMan(resMan), _cache(cache), _ports(ports), _paint16(paint16), _screen(screen) {
init();
}
GfxText16::~GfxText16() {
}
void GfxText16::init() {
_font = NULL;
_codeFonts = NULL;
_codeFontsCount = 0;
_codeColors = NULL;
_codeColorsCount = 0;
}
GuiResourceId GfxText16::GetFontId() {
return _ports->_curPort->fontId;
}
GfxFont *GfxText16::GetFont() {
if ((_font == NULL) || (_font->getResourceId() != _ports->_curPort->fontId))
_font = _cache->getFont(_ports->_curPort->fontId);
return _font;
}
void GfxText16::SetFont(GuiResourceId fontId) {
if ((_font == NULL) || (_font->getResourceId() != fontId))
_font = _cache->getFont(fontId);
_ports->_curPort->fontId = _font->getResourceId();
_ports->_curPort->fontHeight = _font->getHeight();
}
void GfxText16::CodeSetFonts(int argc, reg_t *argv) {
int i;
delete _codeFonts;
_codeFontsCount = argc;
_codeFonts = new GuiResourceId[argc];
for (i = 0; i < argc; i++) {
_codeFonts[i] = (GuiResourceId)argv[i].toUint16();
}
}
void GfxText16::CodeSetColors(int argc, reg_t *argv) {
int i;
delete _codeColors;
_codeColorsCount = argc;
_codeColors = new uint16[argc];
for (i = 0; i < argc; i++) {
_codeColors[i] = argv[i].toUint16();
}
}
void GfxText16::ClearChar(int16 chr) {
if (_ports->_curPort->penMode != 1)
return;
Common::Rect rect;
rect.top = _ports->_curPort->curTop;
rect.bottom = rect.top + _ports->_curPort->fontHeight;
rect.left = _ports->_curPort->curLeft;
rect.right = rect.left + GetFont()->getCharWidth(chr);
_paint16->eraseRect(rect);
}
// This internal function gets called as soon as a '|' is found in a text
// It will process the encountered code and set new font/set color
// We only support one-digit codes currently, don't know if multi-digit codes are possible
// Returns textcode character count
int16 GfxText16::CodeProcessing(const char *&text, GuiResourceId orgFontId, int16 orgPenColor) {
const char *textCode = text;
int16 textCodeSize = 0;
char curCode;
unsigned char curCodeParm;
// Find the end of the textcode
while ((++textCodeSize) && (*text != 0) && (*text++ != 0x7C)) { }
// possible TextCodes:
// c -> sets textColor to current port pen color
// cX -> sets textColor to _textColors[X-1]
curCode = textCode[0];
curCodeParm = textCode[1];
if (isdigit(curCodeParm)) {
curCodeParm -= '0';
} else {
curCodeParm = 0;
}
switch (curCode) {
case 'c': // set text color
if (curCodeParm == 0) {
_ports->_curPort->penClr = orgPenColor;
} else {
if (curCodeParm < _codeColorsCount) {
_ports->_curPort->penClr = _codeColors[curCodeParm];
}
}
break;
case 'f':
if (curCodeParm == 0) {
SetFont(orgFontId);
} else {
if (curCodeParm < _codeFontsCount) {
SetFont(_codeFonts[curCodeParm]);
}
}
break;
}
return textCodeSize;
}
// return max # of chars to fit maxwidth with full words
int16 GfxText16::GetLongest(const char *text, int16 maxWidth, GuiResourceId orgFontId) {
uint16 curChar;
int16 maxChars = 0, curCharCount = 0;
uint16 width = 0;
GuiResourceId oldFontId = GetFontId();
int16 oldPenColor = _ports->_curPort->penClr;
GetFont();
if (!_font)
return 0;
while (width <= maxWidth) {
curChar = (*(const byte *)text++);
if (_font->isDoubleByte(curChar)) {
curChar |= (*(const byte *)text++) << 8;
curCharCount++;
}
switch (curChar) {
case 0x7C:
if (getSciVersion() >= SCI_VERSION_1_1) {
curCharCount++;
curCharCount += CodeProcessing(text, orgFontId, oldPenColor);
continue;
}
break;
// We need to add 0xD, 0xA and 0xD 0xA to curCharCount and then exit
// which means, we split text like
// 'Mature, experienced software analyst available.' 0xD 0xA
// 'Bug installation a proven speciality. "No version too clean."' (normal game text, this is from lsl2)
// and 0xA '-------' 0xA (which is the official sierra subtitle separator)
// Sierra did it the same way.
case 0xD:
// Check, if 0xA is following, if so include it as well
if ((*(const unsigned char *)text) == 0xA)
curCharCount++;
// it's meant to pass through here
case 0xA:
curCharCount++;
// and it's also meant to pass through here
case 0:
SetFont(oldFontId);
_ports->penColor(oldPenColor);
return curCharCount;
case ' ':
maxChars = curCharCount + 1;
break;
}
width += _font->getCharWidth(curChar);
curCharCount++;
}
if (maxChars == 0) {
// Text w/o space, supposingly kanji - we don't adjust back to last char here strangely. If we do, we don't
// get the same text cutting like in sierra sci
maxChars = curCharCount;
}
SetFont(oldFontId);
_ports->penColor(oldPenColor);
return maxChars;
}
void GfxText16::Width(const char *text, int16 from, int16 len, GuiResourceId orgFontId, int16 &textWidth, int16 &textHeight) {
uint16 curChar;
GuiResourceId oldFontId = GetFontId();
int16 oldPenColor = _ports->_curPort->penClr;
textWidth = 0; textHeight = 0;
GetFont();
if (_font) {
text += from;
while (len--) {
curChar = (*(const byte *)text++);
if (_font->isDoubleByte(curChar)) {
curChar |= (*(const byte *)text++) << 8;
len--;
}
switch (curChar) {
case 0x0A:
case 0x0D:
textHeight = MAX<int16> (textHeight, _ports->_curPort->fontHeight);
break;
case 0x7C:
if (getSciVersion() >= SCI_VERSION_1_1) {
len -= CodeProcessing(text, orgFontId, 0);
break;
}
default:
textHeight = MAX<int16> (textHeight, _ports->_curPort->fontHeight);
textWidth += _font->getCharWidth(curChar);
}
}
}
SetFont(oldFontId);
_ports->penColor(oldPenColor);
return;
}
void GfxText16::StringWidth(const char *str, GuiResourceId orgFontId, int16 &textWidth, int16 &textHeight) {
Width(str, 0, (int16)strlen(str), orgFontId, textWidth, textHeight);
}
void GfxText16::ShowString(const char *str, GuiResourceId orgFontId, int16 orgPenColor) {
Show(str, 0, (int16)strlen(str), orgFontId, orgPenColor);
}
void GfxText16::DrawString(const char *str, GuiResourceId orgFontId, int16 orgPenColor) {
Draw(str, 0, (int16)strlen(str), orgFontId, orgPenColor);
}
int16 GfxText16::Size(Common::Rect &rect, const char *str, GuiResourceId fontId, int16 maxWidth) {
GuiResourceId oldFontId = GetFontId();
int16 oldPenColor = _ports->_curPort->penClr;
int16 charCount;
int16 maxTextWidth = 0, textWidth;
int16 totalHeight = 0, textHeight;
if (fontId != -1)
SetFont(fontId);
rect.top = rect.left = 0;
if (maxWidth < 0) { // force output as single line
StringWidth(str, oldFontId, textWidth, textHeight);
rect.bottom = textHeight;
rect.right = textWidth;
} else {
// rect.right=found widest line with RTextWidth and GetLongest
// rect.bottom=num. lines * GetPointSize
rect.right = (maxWidth ? maxWidth : 192);
const char*p = str;
while (*p) {
charCount = GetLongest(p, rect.right, oldFontId);
if (charCount == 0)
break;
Width(p, 0, charCount, oldFontId, textWidth, textHeight);
maxTextWidth = MAX(textWidth, maxTextWidth);
totalHeight += textHeight;
p += charCount;
}
rect.bottom = totalHeight;
rect.right = maxWidth ? maxWidth : MIN(rect.right, maxTextWidth);
}
SetFont(oldFontId);
_ports->penColor(oldPenColor);
return rect.right;
}
// returns maximum font height used
void GfxText16::Draw(const char *text, int16 from, int16 len, GuiResourceId orgFontId, int16 orgPenColor) {
uint16 curChar, charWidth;
Common::Rect rect;
GetFont();
if (!_font)
return;
rect.top = _ports->_curPort->curTop;
rect.bottom = rect.top + _ports->_curPort->fontHeight;
text += from;
while (len--) {
curChar = (*(const byte *)text++);
if (_font->isDoubleByte(curChar)) {
curChar |= (*(const byte *)text++) << 8;
len--;
}
switch (curChar) {
case 0x0A:
case 0x0D:
case 0:
break;
case 0x7C:
if (getSciVersion() >= SCI_VERSION_1_1) {
len -= CodeProcessing(text, orgFontId, orgPenColor);
break;
}
default:
charWidth = _font->getCharWidth(curChar);
// clear char
if (_ports->_curPort->penMode == 1) {
rect.left = _ports->_curPort->curLeft;
rect.right = rect.left + charWidth;
_paint16->eraseRect(rect);
}
// CharStd
_font->draw(curChar, _ports->_curPort->top + _ports->_curPort->curTop, _ports->_curPort->left + _ports->_curPort->curLeft, _ports->_curPort->penClr, _ports->_curPort->greyedOutput);
_ports->_curPort->curLeft += charWidth;
}
}
}
// returns maximum font height used
void GfxText16::Show(const char *text, int16 from, int16 len, GuiResourceId orgFontId, int16 orgPenColor) {
Common::Rect rect;
rect.top = _ports->_curPort->curTop;
rect.bottom = rect.top + _ports->getPointSize();
rect.left = _ports->_curPort->curLeft;
Draw(text, from, len, orgFontId, orgPenColor);
rect.right = _ports->_curPort->curLeft;
_paint16->bitsShow(rect);
}
// Draws a text in rect.
void GfxText16::Box(const char *text, int16 bshow, const Common::Rect &rect, TextAlignment alignment, GuiResourceId fontId) {
int16 textWidth, textHeight, charCount;
int16 offset = 0;
int16 hline = 0;
GuiResourceId orgFontId = GetFontId();
int16 orgPenColor = _ports->_curPort->penClr;
if (fontId != -1)
SetFont(fontId);
while (*text) {
charCount = GetLongest(text, rect.width(), orgFontId);
if (charCount == 0)
break;
Width(text, 0, charCount, orgFontId, textWidth, textHeight);
switch (alignment) {
case SCI_TEXT16_ALIGNMENT_RIGHT:
offset = rect.width() - textWidth;
break;
case SCI_TEXT16_ALIGNMENT_CENTER:
offset = (rect.width() - textWidth) / 2;
break;
case SCI_TEXT16_ALIGNMENT_LEFT:
offset = 0;
break;
default: // left-aligned
warning("Invalid alignment %d used in TextBox()", alignment);
}
_ports->moveTo(rect.left + offset, rect.top + hline);
if (bshow) {
Show(text, 0, charCount, orgFontId, orgPenColor);
} else {
Draw(text, 0, charCount, orgFontId, orgPenColor);
}
hline += textHeight;
text += charCount;
}
SetFont(orgFontId);
_ports->penColor(orgPenColor);
}
void GfxText16::Draw_String(const char *text) {
GuiResourceId orgFontId = GetFontId();
int16 orgPenColor = _ports->_curPort->penClr;
Draw(text, 0, strlen(text), orgFontId, orgPenColor);
SetFont(orgFontId);
_ports->penColor(orgPenColor);
}
} // End of namespace Sci
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