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https://github.com/libretro/scummvm.git
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513 lines
16 KiB
C++
513 lines
16 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 modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (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, see <http://www.gnu.org/licenses/>.
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*
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*
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* This file is dual-licensed.
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* In addition to the GPLv3 license mentioned above, MojoTouch has
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* exclusively licensed this code on March 23th, 2024, to be used in
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* closed-source products.
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* Therefore, any contributions (commits) to it will also be dual-licensed.
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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/unicode-bidi.h"
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#include "toon/font.h"
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namespace Toon {
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FontRenderer::FontRenderer(ToonEngine *vm) : _vm(vm) {
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_currentFontColor[0] = 0;
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_currentFontColor[1] = 0xc8;
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_currentFontColor[2] = 0xcb;
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_currentFontColor[3] = 0xce;
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_currentFont = nullptr;
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_currentDemoFont = nullptr;
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}
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FontRenderer::~FontRenderer() {
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if (_currentDemoFont)
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delete _currentDemoFont;
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}
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// mapping extended characters required for foreign versions to font (animation)
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static const byte map_textToFont[0x80] = {
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'?', '?', '?', '?', 0x03, '?', '?', '?', '?', '?', '?', '?', '?', '?', '?', '?', // 0x8x
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'?', '?', '?', '?', '?', '?', '?', '?', '?', '?', '?', '?', '?', '?', '?', '?', // 0x9x
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'?', 0x09, '?', '?', '?', '?', '?', '?', '?', '?', '?', '?', '?', '?', '?', '?', // 0xAx
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'?', '?', '?', '?', '?', '?', '?', '?', '?', '?', '?', '?', '?', '?', '?', 0x0a, // 0xBx
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'?', '?', '?', '?', 0x1d, '?', '?', 0x02, '?', '?', '?', '?', '?', '?', '?', '?', // 0xCx
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'?', 0x0b, '?', '?', '?', '?', 0x1e, '?', '?', '?', '?', 0x20, 0x1f, '?', '?', 0x19, // 0xDx
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0x0d, 0x04, 0x0e, '?', 0x1a, '?', '?', 0x18, 0x10, 0x0f, 0x12, 0x11, 0x09, 0x05, 0x14, 0x13, // 0xEx
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0x23, 0x08, 0x23, 0x06, 0x15, 0x23, 0x1b, 0x23, 0x23, 0x16, 0x07, 0x17, 0x1c, 0x23, 0x23, 0x23 // 0xFx
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};
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static const byte hebrew_map_textToFont[0x80] = {
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'?', '?', '?', '?', 0x03, '?', '?', '?', '?', '?', '?', '?', '?', '?', '?', '?', // 0x8x
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'?', '?', '?', '?', '?', '?', '?', '?', '?', '?', '?', '?', '?', '?', '?', '?', // 0x9x
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'?', 0x09, '?', '?', '?', '?', '?', '?', '?', '?', '?', '?', '?', '?', '?', '?', // 0xAx
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'?', '?', '?', '?', '?', '?', '?', '?', '?', '?', '?', '?', '?', '?', '?', 0x0a, // 0xBx
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'?', '?', '?', '?', 0x1d, '?', '?', 0x02, '?', '?', '?', '?', '?', '?', '?', '?', // 0xCx
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'?', 0x0b, '?', '?', '?', '?', 0x1e, '?', '?', '?', '?', 0x20, 0x1f, '?', '?', 0x19, // 0xDx
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0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x10, 0x11, 0x12, 0x13, // 0xEx
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0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x17, 0x1c, 0x23, 0x23, 0x23 // 0xFx
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};
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byte FontRenderer::textToFont(byte c) {
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// No need to remap simple characters.
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if (c < 0x80)
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return c;
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// The Spanish version shows grave accent over the 'e' when it should
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// be acute. This happens both in the original interpreter and when
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// using the common map which works for other languages, so we add a
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// special case for it.
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if (_vm->_language == Common::ES_ESP && c == 0xe9)
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return 0x10;
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if (_vm->_language == Common::HE_ISR)
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return hebrew_map_textToFont[c - 0x80];
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// Use the common map to convert the extended characters.
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return map_textToFont[c - 0x80];
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}
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void FontRenderer::renderText(int16 x, int16 y, const Common::String &origText, int32 mode) {
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debugC(5, kDebugFont, "renderText(%d, %d, %s, %d)", x, y, origText.c_str(), mode);
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int16 xx, yy;
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computeSize(origText, &xx, &yy);
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if (mode & 2) {
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y -= yy / 2;
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} else if (mode & 4) {
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y -= yy;
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}
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if (mode & 1) {
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x -= xx / 2;
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}
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_vm->addDirtyRect(x, y, x + xx, y + yy);
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int16 curX = x;
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int16 curY = y;
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int32 height = 0;
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const byte *text = (const byte *)origText.c_str();
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if (_vm->_language == Common::HE_ISR)
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text = (const byte *)Common::convertBiDiString((const char *) text, Common::kWindows1255).c_str();
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while (*text) {
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byte curChar = *text;
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if (curChar == 13) {
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curY = curY + height;
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height = 0;
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curX = x;
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} else {
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curChar = textToFont(curChar);
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if (_currentFont) {
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_currentFont->drawFontFrame(_vm->getMainSurface(), curChar, curX, curY, _currentFontColor);
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} else {
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_currentDemoFont->drawGlyph(_vm->getMainSurface(), curChar, curX, curY, _currentFontColor);
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}
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curX = curX + MAX<int32>((_currentFont ? _currentFont->getFrameWidth(curChar) :
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_currentDemoFont->getGlyphWidth(curChar)) - 2, 0);
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height = MAX<int32>(height, _currentFont ? _currentFont->getFrameHeight(curChar) :
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_currentDemoFont->getHeight());
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}
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text++;
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}
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}
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void FontRenderer::computeSize(const Common::String &origText, int16 *retX, int16 *retY) {
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debugC(4, kDebugFont, "computeSize(%s, retX, retY)", origText.c_str());
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int16 lineWidth = 0;
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int16 lineHeight = 0;
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int16 totalHeight = 0;
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int16 totalWidth = 0;
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int16 lastLineHeight = 0;
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const byte *text = (const byte *)origText.c_str();
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while (*text) {
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byte curChar = *text;
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if (curChar == 13) {
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totalWidth = MAX(totalWidth, lineWidth);
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totalHeight += lineHeight;
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lineHeight = 0;
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lineWidth = 0;
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lastLineHeight = 0;
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} else if (curChar < 32) {
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text++;
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continue;
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} else {
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curChar = textToFont(curChar);
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int16 charWidth = (_currentFont ? _currentFont->getFrameWidth(curChar) :
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_currentDemoFont->getGlyphWidth(curChar)) - 1;
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int16 charHeight = _currentFont ? _currentFont->getFrameHeight(curChar) :
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_currentDemoFont->getHeight();
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lineWidth += charWidth;
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lineHeight = MAX(lineHeight, charHeight);
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// The character may be offset, so the height doesn't
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// really tell how far it will stick out. For now,
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// assume we only need to take the lower bound into
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// consideration.
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//Common::Rect charRect = _currentFont->getFrameRect(curChar);
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lastLineHeight = MAX(lastLineHeight, _currentFont ? _currentFont->getHeight() :
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(int16)_currentDemoFont->getHeight());
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}
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text++;
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}
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totalHeight += lastLineHeight;
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totalWidth = MAX(totalWidth, lineWidth);
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*retX = totalWidth;
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*retY = totalHeight;
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}
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void FontRenderer::setFont(Animation *font) {
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debugC(5, kDebugFont, "setFont(font)");
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_currentFont = font;
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}
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void FontRenderer::setFontColorByCharacter(int32 characterId) {
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debugC(5, kDebugFont, "setFontColorByCharacter(%d)", characterId);
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// unfortunately this table was hardcoded in the original executable
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static const byte colorsByCharacters[] = {
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0xe0, 0xdc, 0xc8, 0xd6, 0xc1, 0xc8, 0xe9, 0xde, 0xc8, 0xeb, 0xe8, 0xc8,
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0xd1, 0xcf, 0xc8, 0xdb, 0xd5, 0xc8, 0xfb, 0xfa, 0xc8, 0xd9, 0xd7, 0xc8,
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0xe8, 0xe4, 0xc8, 0xe9, 0xfa, 0xc8, 0xeb, 0xe4, 0xc8, 0xeb, 0xe4, 0xc8,
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0xd2, 0xea, 0xc8, 0xd3, 0xd0, 0xc8, 0xe1, 0xdd, 0xc8, 0xd9, 0xd7, 0xc8,
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0xd9, 0xd7, 0xc8, 0xd9, 0xd7, 0xc8, 0xd9, 0xd7, 0xc8, 0xd9, 0xd7, 0xc8,
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0xd2, 0xcf, 0xc8, 0xd1, 0xcf, 0xc8, 0xd9, 0xd7, 0xc8, 0xe3, 0xdd, 0xc8,
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0xd9, 0xd7, 0xc8, 0xd9, 0xd7, 0xc8, 0xd9, 0xd7, 0xc8, 0xd9, 0xd7, 0xc8,
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0xd9, 0xd7, 0xc8, 0xd9, 0xd7, 0xc8, 0xd9, 0xd7, 0xc8, 0xd9, 0xd7, 0xc8,
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0xd9, 0xd7, 0xc8, 0xe6, 0xe4, 0xc8, 0xd9, 0xd7, 0xc8, 0xcd, 0xca, 0xc8,
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0xd9, 0xd7, 0xc8, 0xd9, 0xd7, 0xc8, 0xeb, 0xe8, 0xc8, 0xdb, 0xd5, 0xc8,
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0xe0, 0xdc, 0xc8, 0xd6, 0xc1, 0xc8, 0xd3, 0xd0, 0xc8, 0xd1, 0xcf, 0xc8,
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0xe6, 0xe4, 0xc8, 0xd1, 0xcf, 0xc8, 0xd2, 0xcf, 0xc8, 0xcc, 0xcb, 0xc8,
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0xd9, 0xd7, 0xc8, 0xd9, 0xd7, 0xc8, 0xd9, 0xd7, 0xc8, 0xd9, 0xd7, 0xc8,
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0xd9, 0xd7, 0xc8, 0xd9, 0xd7, 0xc8, 0xd9, 0xd7, 0xc8, 0xd9, 0xd7, 0xc8,
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0xd9, 0xd7, 0xc8, 0xd9, 0xd7, 0xc8, 0xd9, 0xd7, 0xc8, 0xd9, 0xd7, 0xc8
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};
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setFontColor(colorsByCharacters[characterId * 3 + 2], colorsByCharacters[characterId * 3 + 1], colorsByCharacters[characterId * 3 + 0]);
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}
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void FontRenderer::setFontColor(int32 fontColor1, int32 fontColor2, int32 fontColor3) {
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debugC(5, kDebugFont, "setFontColor(%d, %d, %d)", fontColor1, fontColor2, fontColor3);
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// The English demo uses a different palette assignment.
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_currentFontColor[0] = 0;
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_currentFontColor[1] = _currentFont ? fontColor1 : fontColor3;
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_currentFontColor[2] = _currentFont ? fontColor2 : fontColor1;
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_currentFontColor[3] = _currentFont ? fontColor3 : fontColor2;
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}
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void FontRenderer::renderMultiLineText(int16 x, int16 y, const Common::String &origText, int32 mode, Graphics::Surface &frame) {
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debugC(5, kDebugFont, "renderMultiLineText(%d, %d, %s, %d)", x, y, origText.c_str(), mode);
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// divide the text in several lines
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// based on number of characters or size of lines.
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byte text[1024];
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memset(text, 0, 1024);
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Common::strlcpy((char *)text, origText.c_str(), 1024);
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byte *lines[16];
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memset(lines, 0, 16 * sizeof(byte *));
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int32 lineSize[16];
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memset(lineSize, 0, 16 * sizeof(int32));
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int32 numLines = 0;
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byte *it = text;
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int16 maxWidth = 0;
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int16 curWidth = 0;
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while (true) {
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byte *lastLine = it;
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byte *lastSpace = it;
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int32 lastSpaceX = 0;
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int32 curLetterNr = 0;
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curWidth = 0;
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while (*it && curLetterNr < 50 && curWidth < 580) {
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byte curChar = *it;
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if (curChar == 32) {
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lastSpace = it;
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lastSpaceX = curWidth;
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} else
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curChar = textToFont(curChar);
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int width = (_currentFont ? _currentFont->getFrameWidth(curChar) :
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_currentDemoFont->getGlyphWidth(curChar)) - 2;
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curWidth += MAX(width, 0);
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it++;
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curLetterNr++;
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}
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if (*lastLine == 0)
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break;
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lines[numLines] = lastLine;
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if (*it == 0)
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lineSize[numLines] = curWidth;
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else
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lineSize[numLines] = lastSpaceX;
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if (lineSize[numLines] > maxWidth)
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maxWidth = lineSize[numLines];
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lastLine = lastSpace + 1;
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numLines++;
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if (*it == 0)
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break;
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it = lastLine;
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*lastSpace = 0;
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if (numLines >= 16)
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break;
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}
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if (curWidth > maxWidth) {
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maxWidth = curWidth;
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}
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//numLines++;
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// get font height (assumed to be constant)
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int16 height = _currentFont ? _currentFont->getHeight() : _currentDemoFont->getHeight();
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int32 textSize = (height - 2) * numLines;
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y = y - textSize;
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if (y < 30)
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y = 30;
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if (y + textSize > 370)
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y = 370 - textSize;
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x -= _vm->state()->_currentScrollValue;
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// adapt x
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if (x - 30 - maxWidth / 2 < 0)
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x = maxWidth / 2 + 30;
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if (x + 30 + (maxWidth / 2) > TOON_SCREEN_WIDTH)
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x = TOON_SCREEN_WIDTH - (maxWidth / 2) - 30;
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// we have good coordinates now, we can render the multi line
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int16 curX = x;
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int16 curY = y;
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for (int32 i = 0; i < numLines; i++) {
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const byte *line = lines[i];
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if (_vm->_language == Common::HE_ISR)
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line = (const byte *)Common::convertBiDiString((const char *) line, Common::kWindows1255).c_str();
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curX = x - lineSize[i] / 2;
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_vm->addDirtyRect(curX + _vm->state()->_currentScrollValue, curY, curX + lineSize[i] + _vm->state()->_currentScrollValue + 2, curY + height);
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while (*line) {
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byte curChar = textToFont(*line);
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if (curChar != 32) {
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if (_currentFont) {
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_currentFont->drawFontFrame(frame, curChar, curX + _vm->state()->_currentScrollValue, curY, _currentFontColor);
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} else {
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_currentDemoFont->drawGlyph(frame, curChar, curX + _vm->state()->_currentScrollValue, curY, _currentFontColor);
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}
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}
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curX = curX + MAX<int32>((_currentFont ? _currentFont->getFrameWidth(curChar) : _currentDemoFont->getGlyphWidth(curChar)) - 2, 0);
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//height = MAX(height, _currentFont->getFrameHeight(curChar));
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line++;
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}
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curY += height;
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}
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}
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bool FontRenderer::loadDemoFont(const Common::Path &filename) {
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uint32 fileSize = 0;
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uint8 *fileData = _vm->resources()->getFileData(filename, &fileSize);
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if (!fileData)
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return false;
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uint16 dataSize = READ_LE_UINT16(fileData);
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if (dataSize != fileSize)
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return false;
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// Offsets of the various parts of the font.
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uint16 fontDataOffset = READ_LE_UINT16(fileData + 4);
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uint16 glyphOffsetTableOffset = READ_LE_UINT16(fileData + 6);
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uint16 glyphWidthDataOffset = READ_LE_UINT16(fileData + 8);
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uint16 glyphDataOffset = READ_LE_UINT16(fileData + 10);
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uint16 glyphHeightDataOffset = READ_LE_UINT16(fileData + 12);
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// Generic font data.
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uint8 numGlyphs = *(fileData + fontDataOffset + 3);
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uint8 glyphWidth = *(fileData + fontDataOffset + 4);
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uint8 glyphHeight = *(fileData + fontDataOffset + 5);
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if (_currentDemoFont)
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delete _currentDemoFont;
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_currentDemoFont = new DemoFont(glyphWidth, glyphHeight, numGlyphs);
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// Copy the data for each glyph to the DemoFont.
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for (int i = 0; i < numGlyphs; i++) {
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// Read glyph dimensions.
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GlyphDimensions dimensions;
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dimensions.width = *(fileData + glyphWidthDataOffset + i);
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dimensions.heightOffset = *(fileData + glyphHeightDataOffset + (2 * i));
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dimensions.height = *(fileData + glyphHeightDataOffset + (2 * i) + 1);
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_currentDemoFont->setGlyphDimensions(i, dimensions);
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// Determine start of data for this glyph.
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uint16 currentGlyphDataOffset = READ_LE_UINT16(fileData + glyphOffsetTableOffset + (i * 2));
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assert(currentGlyphDataOffset >= glyphDataOffset);
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// Get pointers for the file and DemoFont data for this glyph.
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uint8 *srcGlyphDataPtr = fileData + currentGlyphDataOffset;
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uint8 *dstGlyphDataPtr = _currentDemoFont->getGlyphData(i);
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// Pad the glyph data with zeroes at the start for the height offset.
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uint16 offsetBytes = dimensions.heightOffset * dimensions.width;
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memset(dstGlyphDataPtr, 0, offsetBytes);
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dstGlyphDataPtr += offsetBytes;
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// Read each line of pixels.
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for (int j = 0; j < dimensions.height; j++) {
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// Each nibble has data for one pixel, so alternately read the low
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// and high nibble. If the number of pixels in a line is odd, one
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// nibble is discarded.
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bool lowNibble = true;
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uint8 glyphByte = 0;
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// Read each pixel in this line.
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for (int k = 0; k < dimensions.width; k++) {
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if (lowNibble) {
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// Copy the data byte.
|
|
glyphByte = *srcGlyphDataPtr++;
|
|
// Read the low nibble.
|
|
*dstGlyphDataPtr++ = glyphByte & 0xF;
|
|
} else {
|
|
// Read the high nibble.
|
|
*dstGlyphDataPtr++ = glyphByte >> 4;
|
|
}
|
|
// Switch to the other nibble.
|
|
lowNibble = !lowNibble;
|
|
}
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
DemoFont::DemoFont(uint8 glyphWidth, uint8 glyphHeight, uint16 numGlyphs) {
|
|
_glyphWidth = glyphWidth;
|
|
_glyphHeight = glyphHeight;
|
|
_numGlyphs = numGlyphs;
|
|
|
|
// Allocate room for the full height and width for each glyph. A glyph
|
|
// might not need this if the width is less, but it makes lookup easier.
|
|
_glyphData = new uint8[_numGlyphs * _glyphWidth * _glyphHeight];
|
|
_glyphDimensions = new GlyphDimensions[_numGlyphs];
|
|
}
|
|
|
|
DemoFont::~DemoFont() {
|
|
delete[] _glyphData;
|
|
delete[] _glyphDimensions;
|
|
}
|
|
|
|
uint8 *DemoFont::getGlyphData() {
|
|
return _glyphData;
|
|
}
|
|
|
|
uint8 *DemoFont::getGlyphData(uint8 glyphNum) {
|
|
assert(glyphNum < _numGlyphs);
|
|
return _glyphData + (glyphNum * _glyphWidth * _glyphHeight);
|
|
}
|
|
|
|
uint8 DemoFont::getGlyphWidth(uint8 glyphNum) {
|
|
assert(glyphNum < _numGlyphs);
|
|
return _glyphDimensions[glyphNum].width;
|
|
}
|
|
|
|
uint8 DemoFont::getHeight() {
|
|
return _glyphHeight;
|
|
}
|
|
|
|
void DemoFont::setGlyphDimensions(uint8 glyphNum, GlyphDimensions &glyphOffsets) {
|
|
assert(glyphNum < _numGlyphs);
|
|
_glyphDimensions[glyphNum] = glyphOffsets;
|
|
}
|
|
|
|
void DemoFont::drawGlyph(Graphics::Surface &surface, int32 glyphNum, int16 xx, int16 yy, byte *colorMap) {
|
|
debugC(4, kDebugFont, "drawGlyph(surface, %d, %d, %d, colorMap)", glyphNum, xx, yy);
|
|
// Clip character into range.
|
|
if (glyphNum < 0)
|
|
glyphNum = 0;
|
|
|
|
if (glyphNum >= _numGlyphs)
|
|
glyphNum = _numGlyphs - 1;
|
|
|
|
if (_numGlyphs == 0)
|
|
return;
|
|
|
|
int16 rectX = getGlyphWidth(glyphNum);
|
|
int16 rectY = getHeight();
|
|
|
|
// Clip glyph dimensions to surface.
|
|
if (rectX + xx >= surface.w)
|
|
rectX = surface.w - xx;
|
|
|
|
if (rectX < 0)
|
|
return;
|
|
|
|
if (rectY + yy >= surface.h)
|
|
rectY = surface.h - yy;
|
|
|
|
if (rectY < 0)
|
|
return;
|
|
|
|
// Copy the glyph data to the surface.
|
|
int32 destPitch = surface.pitch;
|
|
uint8 *c = getGlyphData(glyphNum);
|
|
uint8 *curRow = (uint8 *)surface.getBasePtr(xx, yy);
|
|
for (int16 y = 0; y < rectY; y++) {
|
|
unsigned char *cur = curRow;
|
|
for (int16 x = 0; x < rectX; x++) {
|
|
if (*c && *c < 4)
|
|
*cur = colorMap[*c];
|
|
c++;
|
|
cur++;
|
|
}
|
|
curRow += destPitch;
|
|
}
|
|
}
|
|
|
|
} // End of namespace Toon
|