70 lines
2.3 KiB
C++
70 lines
2.3 KiB
C++
#include "sdlpp_renderer.hpp"
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namespace SDLPP {
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Renderer::Renderer( Window &window ) {
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renderer = SDL_CreateRenderer( window.getWindowPtr(), -1,
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SDL_RENDERER_ACCELERATED );
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if ( renderer == NULL ) {
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std::cerr << "SDL could not create a renderer! SDL_Error: "
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<< SDL_GetError();
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throw "Couldn't create renderer";
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}
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SDL_SetRenderDrawColor( renderer, 0xFF, 0xFF, 0xFF, 0xFF );
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}
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Renderer::~Renderer() {
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SDL_DestroyRenderer( renderer );
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}
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SDL_Renderer *Renderer::getRendererPtr() {
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return renderer;
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}
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Vec2D< int > Renderer::getDimensions() const {
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int width = 0, height = 0;
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SDL_GetRendererOutputSize( renderer, &width, &height );
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return { width, height };
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}
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Vec2D< double > Renderer::getDoubleDimensions() const {
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auto dimensions = getDimensions();
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if ( dimensions == dimensions_cache )
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return double_dimensions_cache;
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dimensions_cache = dimensions;
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double smaller = dimensions.getX() < dimensions.getY() ? dimensions.getX()
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: dimensions.getY();
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double_dimensions_cache = {
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static_cast< double >( dimensions.getX() ) / smaller,
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static_cast< double >( dimensions.getY() ) / smaller
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};
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return double_dimensions_cache;
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}
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int Renderer::getWidth() const {
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return getDimensions().getX();
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}
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int Renderer::getHeight() const {
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return getDimensions().getY();
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}
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int Renderer::getSmallerSide() const {
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auto dimensions = getDimensions();
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return dimensions.getX() < dimensions.getY() ? dimensions.getX()
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: dimensions.getY();
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}
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int Renderer::getLargerSide() const {
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auto dimensions = getDimensions();
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return dimensions.getX() > dimensions.getY() ? dimensions.getX()
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: dimensions.getY();
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}
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void Renderer::setBlendMode( SDL_BlendMode blendMode ) {
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SDL_SetRenderDrawBlendMode( renderer, blendMode );
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}
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void Renderer::setRenderColiders( bool render ) {
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render_coliders = render;
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}
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bool Renderer::getRenderColiders() {
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return render_coliders;
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}
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void Renderer::clearRenderer() {
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SDL_RenderClear( getRendererPtr() );
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}
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void Renderer::presentRenderer() {
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SDL_RenderPresent( getRendererPtr() );
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}
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} // namespace SDLPP
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