failure without bitmap

failure without bitmap

Vieira

Member #16,926

December 2018

Hello, I am trying to insert an image into my game and gives the following error:

Assertion failed: bitmap, file d:/Libraries\build\allegro\src\allegro-git\src\bitmap_draw.c, line 138

Code:
#include <allegro5/allegro.h>
#include <allegro5/allegro_native_dialog.h>
#include <allegro5/allegro_image.h>
int main(void)
{
ALLEGRO_DISPLAY *janela = NULL;

ALLEGRO_BITMAP *imagem;

al_init();

al_init_image_addon();

janela = al_create_display(1080, 720);

imagem = al_load_bitmap("capturar.jpg");

al_draw_bitmap(imagem, 0, 0, 0);

al_flip_display();

al_rest(5400.0);

al_destroy_display(janela);

al_destroy_display(imagem);

return 0;
}

I wanted to know how to solve the problem, because it gave in more than one code

dthompson

Member #5,749

April 2005

Hi Vieira - welcome to the forums.

It seems your bitmap pointer imagem is null. This means al_load_bitmap was unable to load the file you specified, "capturar.jpg".

Are you certain the filename is correct?
Are you using the right case? (eg. is it actually named capturar.JPG?)
Are you running the program from the same directory as the location of the image?
Can you successfully open the file using the C standard library (using fopen etc)?

For future reference, please post questions like this in the programming questions subforum; "Allegro Development" is for discussion of the development of the Allegro library (rather than with it).

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