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MySdlText.cpp
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MySdlText.cpp
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#include <SDL.h>
#include <SDL_ttf.h>
using namespace std;
#include <string>
#include "MySdlText.h"
extern void TraceLog(char* szFormat, ...);
extern std::string GetDllPath();
MySdlText::MySdlText(char* s)
{
text = s;
}
MySdlText::MySdlText()
{
}
MySdlText::~MySdlText()
{
TTF_CloseFont(font);
SDL_DestroyTexture(_texture);//ÊÍ·ÅÎÆÀí
}
void MySdlText::TextOut(SDL_Renderer* renderer, char* text, int x, int y)
{
}
MySdlText& MySdlText::setString(char* s)
{
text = s; return *this;
}
MySdlText& MySdlText::setFont(TTF_Font* f)
{
if (font)
TTF_CloseFont(font);
font = f;
return *this;
}
MySdlText& MySdlText::setFontSize(int size)
{
fontsize = size;
return *this;
}
MySdlText& MySdlText::setStyle(int style)
{
fontstyle = style;
return *this;
}
MySdlText& MySdlText::setColor(SDL_Color color)
{
fontcolor = color;
return *this;
}
MySdlText& MySdlText::setPosition(int x, int y)
{
textRect.x = x;
textRect.y = y;
return *this;
}
SDL_Rect& MySdlText::GetBounds()
{
return textRect;
}
void MySdlText::Draw(SDL_Renderer* renderer)
{
if (!_texture) {
build(renderer);
}
SDL_RenderCopy(renderer, _texture, NULL, &textRect);
}
void MySdlText::Draw(SDL_Renderer* renderer, int x, int y)
{
if (!_texture) {
build(renderer);
}
textRect.x = x;
textRect.y = y;
SDL_RenderCopy(renderer, _texture, NULL, &textRect);
}
void MySdlText::Draw(SDL_Renderer* renderer, int x, int y, int w, int h)
{
if (!_texture) {
build(renderer);
}
textRect.x = x;
textRect.y = y;
textRect.w = w;
textRect.h = h;
SDL_RenderCopy(renderer, _texture, NULL, &textRect);
}
void MySdlText::build(SDL_Renderer* renderer)
{
if (_texture) {
SDL_DestroyTexture(_texture);
}
if (!font) {
string fontFile = GetDllPath() + "arial.ttf";
font = TTF_OpenFont(fontFile.c_str(), fontsize);
if (!font) {
printf("globalFont Error:");
return;
}
TTF_SetFontSize(font, fontsize);
TTF_SetFontStyle(font, fontstyle);
}
SDL_Surface *text_surface = TTF_RenderUTF8_Blended(font, text.c_str(), fontcolor);
_texture = SDL_CreateTextureFromSurface(renderer, text_surface);
textRect.w = text_surface->w;
textRect.h = text_surface->h;
SDL_FreeSurface(text_surface);
TTF_CloseFont(font);
font = NULL;
}