CoolBasic Forums

Code: Select all

    SCREEN 800,600
    SaveImage MakeFontImage(LoadFont("verdana",13,1)),"fonts/font.bmp"

    Function MakeFontImage(font)
        SetFont font
        fontimage = MakeImage(13*127,16*11)
        DrawToImage fontimage
            Color 0,0,0
            Box 0,0,ImageWidth(fontimage),ImageHeight(fontimage)
            For n=0 To 11
                Select n
                Case 0: Color 255,255,255 
                Case 1: Color 255,0,0
                Case 2: Color 0,255,0
                Case 3: Color 0,0,255
                Case 4: Color 255,255,0
                Case 5: Color 0,255,255
                Case 6: Color 100,100,100
                Case 7: Color 100,0,0
                Case 8: Color 0,100,0
                Case 9: Color 0,0,100
                Case 10: Color 100,100,0
                Case 11: Color 0,100,100
                EndSelect 
                For x = 0 To 127
                    Text x*13,-n*16,Chr(x)
                Next x
            Next n
        DrawToScreen 
        Return fontimage
    EndFunction 

Code: Select all

#define FONT_SIZE 18

class TextEngine
{
    public:
        void LoadFontImage(const char *fontFile);
        void InitTextImage();
        SDL_Rect GetCharRect(char ascii);
        void BuildText(std::string text);
        void DrawText(int x, int y, std::string text);
        
    private:
        SDL_Surface *emptySurface;
        SDL_Surface *imageText;
        SDL_Surface *imageFont;
};


void TextEngine::LoadFontImage(const char *fontFile)
{
    imageFont = SDL_LoadBMP(fontFile);
}

void TextEngine::InitTextImage()
{
    SDL_BlitSurface(emptySurface, NULL, imageText, NULL);
}

SDL_Rect TextEngine::GetCharRect(char ascii)
{
    SLD_Rect field;
    
    for(int i = -128; i < ascii; i = i + 1)
    {
        field.x = field.x + FONT_SIZE;
    }
    
    return field;
}

void TextEngine::BuildText(std::string text)
{
    char* TEXTARRAY = text.c_str()
    
    int sizeCount;
    int a;
    sizeCount = 0;
    
    while(1)
    {
        if(TEXT_ARRAY[sizeCount] == '\0') break;
        sizeCount = sizeCount + 1
    }
    
    for(int i = 0; i < sizeCount + 1; i = i + 1)
    {
        SLD_BlitSurface(imageFont, GetCharRect(TEXT_ARRAY[i]), imageText, SDL_Rect( FONT_SIZE *i, 0, FONT_SIZE, FONT_SIZE ));
    }
    
}


void TextEngine::DrawText(int x, int y, std::string text)
{
    SDL_Rect rect;
    rect.x = x;
    rect.y = y;
    
    InitTextImage();
    BuildText(text);
    SDL_BlitSurface(imageText, NULL, screen, &rect);
}

Code: Select all

#include <SDL/SDL.h>
#include <string>

using namespace std;


// Surface for screen,
// this can be something else,
// but in that case you have to
// mod it also in drawtext()
SDL_Surface *screen;


/*
  IMAGE SECTION
*/

class Image
{
public:
    // Loads image
    void Load(char *target,int w=0,int h=0)
    {
        res = SDL_LoadBMP(target);
        width = w;
        height = h;
    }
    
    // Returns image as
    // an SDL_Surface
    SDL_Surface *GetResource()
    {
        return res;
    }
    
    // Draws image
    void Draw(int x,int y)
    {
        SDL_Rect locate;
        locate.x = x;
        locate.y = y;
        SDL_BlitSurface(res,NULL,screen,&locate);
    }
    
    // Draws image as animated
    void DrawAnimated(int x,int y,int f)
    {
        SDL_Rect locate;
        locate.x = x;
        locate.y = y;
        SDL_Rect size;
        size.x = width*f;
        size.y = 0;
        size.w = width;
        size.h = height;
        SDL_BlitSurface(res,&size,screen,&locate);             
    }
    
    // Deletes surface and
    // the loaded image
    void Free()
    {
        SDL_FreeSurface(res);
    }
private:
    SDL_Surface *res;
    int width,height;
};


/*
  TEXT SECTION
*/


int CharWidth;
int CharHeight;

Image FontImage;

// Inits all fonts
// w,h = char width and height
void InitFonts(int w=13,int h=16)
{
    CharWidth = w;
    CharHeight = h;
    FontImage.Load("font.bmp");
}


/*
  TEXT FUNCTION
*/

// Draws the text
// x,y = text coordinates
// text = string of the text
// whole = color of the text
void DrawText(int x,int y,const char *text,int whole=0)
{              
    int i = 0;
    while(1)
    {
        if(text[i]=='\0') break;
        SDL_Rect read;
        read.x = int(text[i])*CharWidth;
        read.y = whole*CharHeight;
        read.w = CharWidth;
        read.h = CharHeight;
        SDL_Rect drawing;
        drawing.x = x+(i*CharHeight);
        drawing.y = y;
        SDL_BlitSurface(FontImage.GetResource(),&read,screen,&drawing);
        i++;
    }
}


/*
  EXAMPLE
*/

int main(int argc,char *argv[])
{
    srand(time(NULL));
    screen = SDL_SetVideoMode(800, 600, 32, SDL_SWSURFACE|SDL_ANYFORMAT);
    
    InitFonts();
    
    // Main loop attrs
    SDL_Event tapahtuma;
    bool pois = 0; 
    
    while(!pois)
    {
        // Example of use
        for(int i=0;i<11;i++) DrawText(50,50+(i*15),"Output",i);

        SDL_PollEvent(&tapahtuma);
        if (tapahtuma.type == SDL_QUIT)  pois = true;
        if (tapahtuma.type == SDL_KEYDOWN) 
        {
             if ( tapahtuma.key.keysym.sym == SDLK_ESCAPE ) pois = true;             
        } 

        SDL_Flip(screen);
    }

    SDL_Quit();
    return 1;
}