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vcmi/client/gui/CCanvas.cpp
2022-11-28 16:43:38 +02:00

79 lines
2.4 KiB
C++

/*
* CCanvas.cpp, part of VCMI engine
*
* Authors: listed in file AUTHORS in main folder
*
* License: GNU General Public License v2.0 or later
* Full text of license available in license.txt file, in main folder
*
*/
#include "StdInc.h"
#include "CCanvas.h"
#include "SDL_Extensions.h"
#include "Geometries.h"
#include "CAnimation.h"
#include "../Graphics.h"
CCanvas::CCanvas(SDL_Surface * surface):
surface(surface)
{
surface->refcount++;
}
CCanvas::CCanvas(const Point & size)
{
surface = CSDL_Ext::newSurface(size.x, size.y);
}
CCanvas::~CCanvas()
{
SDL_FreeSurface(surface);
}
void CCanvas::draw(std::shared_ptr<IImage> image, const Point & pos)
{
image->draw(surface, pos.x, pos.y);
}
void CCanvas::draw(std::shared_ptr<IImage> image, const Point & pos, const Rect & sourceRect)
{
image->draw(surface, pos.x, pos.y, &sourceRect);
}
void CCanvas::draw(std::shared_ptr<CCanvas> image, const Point & pos)
{
blitAt(image->surface, pos.x, pos.y, surface);
}
void CCanvas::drawLine(const Point & from, const Point & dest, const SDL_Color & colorFrom, const SDL_Color & colorDest)
{
CSDL_Ext::drawLine(surface, from.x, from.y, dest.x, dest.y, colorFrom, colorDest);
}
void CCanvas::drawText(const Point & position, const EFonts & font, const SDL_Color & colorDest, ETextAlignment alignment, const std::string & text )
{
switch (alignment)
{
case ETextAlignment::TOPLEFT: return graphics->fonts[font]->renderTextLeft (surface, text, colorDest, position);
case ETextAlignment::CENTER: return graphics->fonts[font]->renderTextCenter(surface, text, colorDest, position);
case ETextAlignment::BOTTOMRIGHT: return graphics->fonts[font]->renderTextRight (surface, text, colorDest, position);
}
}
void CCanvas::drawText(const Point & position, const EFonts & font, const SDL_Color & colorDest, ETextAlignment alignment, const std::vector<std::string> & text )
{
switch (alignment)
{
case ETextAlignment::TOPLEFT: return graphics->fonts[font]->renderTextLinesLeft (surface, text, colorDest, position);
case ETextAlignment::CENTER: return graphics->fonts[font]->renderTextLinesCenter(surface, text, colorDest, position);
case ETextAlignment::BOTTOMRIGHT: return graphics->fonts[font]->renderTextLinesRight (surface, text, colorDest, position);
}
}
SDL_Surface * CCanvas::getSurface()
{
return surface;
}