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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/scummsys.h"
#include "zvision/truetype_font.h"
#include "zvision/zvision.h"
#include "zvision/render_manager.h"
#include "common/debug.h"
#include "common/file.h"
#include "common/system.h"
#include "graphics/font.h"
#include "graphics/fonts/ttf.h"
#include "graphics/surface.h"
namespace ZVision {
TruetypeFont::TruetypeFont(ZVision *engine, int32 fontHeight)
: _engine(engine),
_fontHeight(fontHeight),
_font(0),
_lineHeight(0),
_maxCharWidth(0),
_maxCharHeight(0) {
}
TruetypeFont::~TruetypeFont(void) {
delete _font;
}
bool TruetypeFont::loadFile(const Common::String &filename) {
Common::File file;
bool fileOpened = false;
if (!Common::File::exists(filename)) {
debug("TTF font file %s was not found. Reverting to arial.ttf", filename.c_str());
fileOpened = file.open("arial.ttf");
} else {
fileOpened = file.open(filename);
}
if (!fileOpened) {
debug("TTF file could not be opened");
return false;
}
_font = Graphics::loadTTFFont(file, _fontHeight);
_lineHeight = _font->getFontHeight();
return true;
}
Graphics::Surface *TruetypeFont::drawTextToSurface(const Common::String &text, uint16 textColor, int maxWidth, int maxHeight, Graphics::TextAlign align, bool wrap) {
if (text.equals("")) {
return nullptr;
}
Graphics::Surface *surface = new Graphics::Surface();
if (!wrap) {
int width = MIN(_font->getStringWidth(text), maxWidth);
surface->create(width, _lineHeight, Graphics::PixelFormat(2, 5, 6, 5, 0, 11, 5, 0, 0));
// TODO: Add better alpha support by getting the pixels from the backbuffer.
// However doing that requires some kind of caching system so future text doesn't try to use this text as it's alpha background.
surface->fillRect(Common::Rect(0, 0, surface->w, surface->h), 0);
_font->drawString(surface, text, 0, 0, maxWidth, textColor, align);
return surface;
}
Common::Array<Common::String> lines;
_font->wordWrapText(text, maxWidth, lines);
while (maxHeight > 0 && (int)lines.size() * _lineHeight > maxHeight) {
lines.pop_back();
}
if (lines.size() == 0) {
return nullptr;
}
surface->create(maxWidth, lines.size() * _lineHeight, Graphics::PixelFormat(2, 5, 6, 5, 0, 11, 5, 0, 0));
surface->fillRect(Common::Rect(0, 0, surface->w, surface->h), 0);
int heightOffset = 0;
for (Common::Array<Common::String>::iterator it = lines.begin(); it != lines.end(); it++) {
_font->drawString(surface, *it, 0, 0 + heightOffset, maxWidth, textColor, align);
heightOffset += _lineHeight;
}
return surface;
}
} // End of namespace ZVision
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