kris/Trololo
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Code Issues Releases Wiki Activity

Added SDL_ttf and welcome text

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This commit is contained in:
Kris Lamoureux 2012-10-28 15:01:33 -07:00
parent ccd677f77c
commit 8db540e110
4 changed files with 42 additions and 4 deletions
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2
README.md
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@ -2,7 +2,7 @@
I'm building this while learning from [Lazy Foo' Productions' SDL Tutorials](http://lazyfoo.net/SDL_tutorials/).
## About
Trololo is written in C++ with SDL 1.2.12 (32 bit) with the SDL extension library: SDL_image (1.2.12).
Trololo is written in C++ with SDL 1.2.15 (32 bit) with the SDL extension libraries: SDL_image (1.2.12) and SDL_tff (2.0.11).
## License
This software is released under the GNU General Public License Version 3. Please read the LICENSE file to know your rights before continuing.

10
commonSDL.h
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@ -1,6 +1,7 @@
// SDL + Extensions
#include "SDL/SDL.h"
#include "SDL/SDL_image.h"
#include "SDL/SDL_ttf.h"
// Standard
#include <cstdio>
@ -37,7 +38,14 @@ SDL_Surface *StartUp(const char *title, int x, int y)
return NULL;
}
SDL_WM_SetCaption(title, NULL );
SDL_WM_SetCaption(title, NULL);
//Initialize SDL_ttf
if(TTF_Init() == -1)
{
fprintf(stderr, "True Type Font initialization failed: %s", SDL_GetError());
return NULL;
}
// Success: return video surface
return screen;

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images/ttf/CaviarDreams.ttf Normal file
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34
main.cpp
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@ -1,6 +1,7 @@
// SDL + Extensions
#include "SDL/SDL.h"
#include "SDL/SDL_image.h"
#include "SDL/SDL_ttf.h"
// Common SDL functions for general processing.
#include "commonSDL.h"
@ -13,6 +14,8 @@ SDL_Surface *screen = NULL;
SDL_Surface *background = NULL;
SDL_Surface *characters = NULL;
SDL_Surface *message = NULL;
// Image filenames
const char *background_image = "stage1.bmp";
const char *characters_image = "characters.bmp";
@ -55,10 +58,37 @@ int main(int argc, char* args[])
apply_image(0, 0, background, screen);
// Blit troll image
apply_image(0, 0, characters, screen, &clip[0]);
apply_image(700, 40, characters, screen, &clip[0]);
// Blit codfish image
apply_image(300, 300, characters, screen, &clip[1]);
apply_image(150, 300, characters, screen, &clip[1]);
// Setup welcome text
SDL_Color whitecolor = { 255, 255, 255 };
TTF_Font *font = TTF_OpenFont("CaviarDreams.ttf", 80);
const char* text = "Welcome to Trololo";
if(!font)
{
fprintf(stderr, "TTF_OpenFont: %s\n", TTF_GetError());
}
/*
Checks if font or text is NULL due to the documentation:
NULL font into this function will cause a segfault.
NULL text into this function will result in undefined behavior.
*/
if(font != NULL && text != NULL)
message = TTF_RenderText_Solid(font, text, whitecolor);
else
fprintf(stderr, "TFF Render Text Solid Error: init error\n");
// Apply message
if(message != NULL)
apply_image(100, 200, message, screen);
else
fprintf(stderr, "TFF Render Text Solid Error: apply error\n");
if(screen != NULL)
SDL_Flip(screen);