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scummvm/engines/stark/visual/text.cpp
T

126 lines
3.2 KiB
C++

/* ResidualVM - A 3D game interpreter
*
* ResidualVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the AUTHORS
* 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 "engines/stark/visual/text.h"
#include "graphics/font.h"
#include "graphics/pixelformat.h"
#include "graphics/surface.h"
#include "engines/stark/debug.h"
#include "engines/stark/gfx/driver.h"
#include "engines/stark/gfx/texture.h"
#include "engines/stark/scene.h"
#include "engines/stark/services/services.h"
namespace Stark {
VisualText::VisualText(Gfx::Driver *gfx) :
Visual(TYPE),
_gfx(gfx),
_texture(nullptr),
_color(0),
_backgroundColor(0),
_targetWidth(600),
_fontCustomIndex(-1),
_fontType(FontProvider::kBigFont) {
}
VisualText::~VisualText() {
freeTexture();
}
Common::Rect VisualText::getRect() {
if (!_texture) {
createTexture();
}
return Common::Rect(_texture->width(), _texture->height());
}
void VisualText::setText(const Common::String &text) {
freeTexture();
_text = text;
}
void VisualText::setColor(uint32 color) {
freeTexture();
_color = color;
}
void VisualText::setBackgroundColor(uint32 color) {
freeTexture();
_backgroundColor = color;
}
void VisualText::setTargetWidth(uint32 width) {
freeTexture();
_targetWidth = width;
}
void VisualText::setFont(FontProvider::FontType type, int32 customFontIndex) {
freeTexture();
_fontType = type;
_fontCustomIndex = customFontIndex;
}
void VisualText::createTexture() {
const Graphics::Font *font = StarkFontProvider->getFont(_fontType, _fontCustomIndex);
int height = StarkFontProvider->getFontHeight(_fontType, _fontCustomIndex);
Common::Array<Common::String> lines;
font->wordWrapText(_text, _targetWidth, lines);
int width = 0;
for (uint i = 0; i < lines.size(); i++) {
width = MAX(width, font->getStringWidth(lines[i]));
}
Common::Rect boundingRect = Common::Rect(width, height * lines.size());
Graphics::Surface surface;
surface.create(boundingRect.width(), boundingRect.height(), _gfx->getScreenFormat());
surface.fillRect(boundingRect, _backgroundColor);
for (uint i = 0; i < lines.size(); i++) {
font->drawString(&surface, lines[i], 0, height * i, _targetWidth, _color);
}
_texture = _gfx->createTexture(&surface);
surface.free();
}
void VisualText::freeTexture() {
delete _texture;
_texture = nullptr;
}
void VisualText::render(const Common::Point &position) {
if (!_texture) {
createTexture();
}
_gfx->drawSurface(_texture, position);
}
} // End of namespace Stark