74 lines
2.0 KiB
C++
74 lines
2.0 KiB
C++
#include "sdl_engine.h"
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#include "unistd.h"
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SDL_Texture* RenderText(SDL_Renderer* rnd,TTF_Font* font,const char* Text,SDL_Color color,int* pw,int* ph)
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{
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SDL_Surface* surf=TTF_RenderText_Blended(font,Text,color);
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if(surf==NULL) return NULL;
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SDL_Texture* texture=SDL_CreateTextureFromSurface(rnd,surf);
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SDL_FreeSurface(surf);
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if(pw&&ph) SDL_QueryTexture(texture,NULL,NULL,pw,ph);
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return texture;
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}
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SDL_Texture* RenderUTF8(SDL_Renderer* rnd,TTF_Font* font,const char* Text,SDL_Color color,int* pw,int* ph)
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{
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SDL_Surface* surf=TTF_RenderUTF8_Blended(font,Text,color);
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if(surf==NULL) return NULL;
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SDL_Texture* texture=SDL_CreateTextureFromSurface(rnd,surf);
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SDL_FreeSurface(surf);
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if(pw&&ph) SDL_QueryTexture(texture,NULL,NULL,pw,ph);
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return texture;
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}
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void TextureDraw(SDL_Renderer* rnd,SDL_Texture* texture,int dstx,int dsty)
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{
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if(!rnd||!texture) return;
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int w,h;
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SDL_QueryTexture(texture,NULL,NULL,&w,&h);
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SDL_Rect rect;
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rect.x=dstx;
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rect.y=dsty;
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rect.w=w;
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rect.h=h;
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SDL_RenderCopy(rnd,texture,NULL,&rect);
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}
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SDL_Texture* MyLoadImage(SDL_Renderer* rnd,const char* FileName,int* pw,int* ph)
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{
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SDL_Surface* surf=IMG_Load(FileName);
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if(surf==NULL) return NULL;
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SDL_Texture* texture=SDL_CreateTextureFromSurface(rnd,surf);
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SDL_FreeSurface(surf);
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if(texture==NULL) return NULL;
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if(pw&&ph) SDL_QueryTexture(texture,NULL,NULL,pw,ph);
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return texture;
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}
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bool isInRect(int x,int y,SDL_Rect rect)
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{
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return ((x>=rect.x&&x<=rect.x+rect.w)&&(y>=rect.y&&y<=rect.y+rect.h));
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}
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bool isInRect(int x,int y,int LU_x,int LU_y,int RD_x,int RD_y)
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{
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return ((x>=LU_x&&x<=RD_x)&&(y>=LU_y&&y<=RD_y));
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}
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void ClearMessageQueue()
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{
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/// Clear Message Queue
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while(SDL_PeepEvents(NULL,1,SDL_GETEVENT,SDL_FIRSTEVENT,SDL_LASTEVENT));
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}
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SDL_Color color_white { 255,255,255 };
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SDL_Color color_black { 0,0,0 };
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int MyChangeDir(const char* DirName)
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{
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mlog("Change Dir to \"%s\"",DirName);
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int ret=chdir(DirName);
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mlog("Change Dir returns %d",ret);
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return ret;
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}
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