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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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
#include "ultima/shared/gfx/font.h"
#include "graphics/managed_surface.h"
namespace Ultima {
namespace Shared {
namespace Gfx {
Font::Font(const byte *data, size_t startingChar, size_t charCount) :
_data(data), _startingChar(startingChar), _endingChar(startingChar + charCount - 1) {}
int Font::writeString(Graphics::ManagedSurface &surface, const Common::String &msg, Point &pt,
byte color, byte bgColor) {
int total = 0;
int xs = pt.x;
for (const char *msgP = msg.c_str(); *msgP; ++msgP, total += 8) {
if (*msgP == '\n') {
// Move to next line
pt.x = xs;
pt.y += lineHeight();
} else {
// Write out character
writeChar(surface, (unsigned char)*msgP, pt, color, bgColor);
}
}
return total;
}
void Font::writeChar(Graphics::ManagedSurface &surface, unsigned char c, Point &pt,
byte color, byte bgColor) {
assert(c >= _startingChar && c <= _endingChar);
const byte *charP = _data + (c - _startingChar) * 8;
Graphics::Surface s = surface.getSubArea(Common::Rect(pt.x, pt.y, pt.x + 8, pt.y + 8));
for (int y = 0; y < 8; ++y) {
byte *lineP = (byte *)s.getBasePtr(0, y);
byte lineData = charP[y];
for (int x = 0; x < 8; ++x, lineData <<= 1, ++lineP) {
*lineP = (lineData & 0x80) ? color : bgColor;
}
}
pt.x += charWidth(c);
}
uint Font::charWidth(char c) const {
return 8;
}
uint Font::lineHeight() const {
return 8;
}
uint Font::stringWidth(const Common::String &msg) const {
return msg.size() * 8;
}
} // End of namespace Gfx
} // End of namespace Shared
} // End of namespace Ultima
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