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/* 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/surfacerenderer.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),
_originalRect(600, 0),
_fontCustomIndex(-1),
_fontType(FontProvider::kBigFont) {
_surfaceRenderer = _gfx->createSurfaceRenderer();
_surfaceRenderer->setNoScalingOverride(true);
}
VisualText::~VisualText() {
freeTexture();
delete _surfaceRenderer;
}
Common::Rect VisualText::getRect() {
if (!_texture) {
createTexture();
}
return _originalRect;
}
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();
_originalRect.right = width;
}
void VisualText::setFont(FontProvider::FontType type, int32 customFontIndex) {
freeTexture();
_fontType = type;
_fontCustomIndex = customFontIndex;
}
void VisualText::createTexture() {
// Get the font and required metrics
const Graphics::Font *font = StarkFontProvider->getScaledFont(_fontType, _fontCustomIndex);
uint scaledLineHeight = StarkFontProvider->getScaledFontHeight(_fontType, _fontCustomIndex);
uint originalLineHeight = StarkFontProvider->getOriginalFontHeight(_fontType, _fontCustomIndex);
uint maxScaledLineWidth = StarkFontProvider->scaleWidthOriginalToCurrent(_originalRect.width());
// Word wrap the text and compute the scaled and original resolution bounding boxes
Common::Rect scaledRect;
Common::Array<Common::String> lines;
scaledRect.right = scaledRect.left + font->wordWrapText(_text, maxScaledLineWidth, lines);
scaledRect.bottom = scaledRect.top + scaledLineHeight * lines.size();
_originalRect.bottom = _originalRect.top + originalLineHeight * lines.size();
// Create a surface to render to
Graphics::Surface surface;
surface.create(scaledRect.width(), scaledRect.height(), _gfx->getRGBAPixelFormat());
surface.fillRect(scaledRect, _backgroundColor);
// Render the lines to the surface
for (uint i = 0; i < lines.size(); i++) {
font->drawString(&surface, lines[i], 0, scaledLineHeight * i, scaledRect.width(), _color);
}
// Create a texture from the surface
_texture = _gfx->createTexture(&surface);
surface.free();
}
void VisualText::freeTexture() {
delete _texture;
_texture = nullptr;
}
void VisualText::render(const Common::Point &position) {
if (!_texture) {
createTexture();
}
_surfaceRenderer->render(_texture, position);
}
} // End of namespace Stark
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