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Questions tagged [allegro]

Allegro is a low-level game programming library distributed freely, supporting desktop and mobile platforms. It is coded in C and offers several language bindings.

The latest stable version is 5.0. It is completely rewritten with a new API and full hardware accelerated graphics via OpenGL or D3D. There is official support for Windows, OS X, Linux, and iOS. There is also an unstable branch 5.1.

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383 questions
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How to load OpenGL into Visual Studio 2012

I don't understand how to load OpenGl so that I can start using the functions in it. At first I thought it would be as simple as Allegro, where I just specify the location of the library, but I guess not. Can someone either teach me how to install…
Jasper Lu
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How can you efficiently create an allegro 5 title menu?

I'm working on my first game in Allegro 5, I've got the title menu rendering as such, however I want to add clickable text in the menu. How would I make it so that, when you hover over the text you can click it? I'm thinking having a for statement…
Bugster
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How to link allegro 4.4 with visual studio 2010

I have been trying for several hours now to link allegro 4.4 with visual studio 2010. I am using microsoft visual C++ 2010 express edition. Here is what I did: I downloaded the windows binaries from http://www.allegro.cc/files/?v=4.4 (I downloaded…
rmaes4
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How can I allocate and re-use a C struct from Haskell?

In particular, I'm trying to learn Haskell's foreign function interface by writing a binding to the Allegro game library. In Allegro's native C, the main event loop looks something like this: // initialize event struct ALLEGRO_EVENT event; // main…
damien
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what I'm including wrong ? undefined reference to al_init_image_addon error,

what I'm including wrong ? I am using codeblocks + allegro5 + ubuntu 11.10 and getting this 2 errors undefined reference to 'al_init_image_addon' undefined reference to `al_init_primitives_addon'| I did install allegro5 correctly with all the…
HoNgOuRu
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C++: Erasing an iterator from a map and then incrementing to the next iterator

This method causes an abort error: "map/set iterator not incrementable." Due to that after the if fails and a vaild iterator that should be erased is determined, (and is), continuing to the next iterator in the map via ++_iter fails because _iter is…
Casey
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Compiler detects allegro.h, but not allegro_primitives.h

When I compile my Allegro 5 program using g++, it complains about undefined reference to 'al_init_primitives_addon', al_draw_filled_rectangle and other such functions that are found in allegro_primitives.h. It does not complain about functions in…
awesomeguy
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Getting memory leaks in simple C/allegro5 game

My first post here. I'm beginner programmer. I'm compiling with clang 13.0.1. on Lenovo ThinkPad5 with AMD Ryzen 7 4800U with integrated Radeon Graphics OS: Manjaro linux with kernel 5.10.105 I'm using package allegro 5.2.7.0-2 My compile…
artqs01
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allegro library 4.4 korean broken

I am working with allegro 4.4 library. When I print a Korean character, the character is broken. English character isn't in Allegro Manual. Allegro says "Allegro uses UTF8 encoding by default." I have no idea of what was wrong with the following…
kim taeyun
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Allegro draw_sprite()

I have a 114x114 bitmap called "x.bmp" in my debug folder and this simple code #include BITMAP *Sprite; int main(){ allegro_init(); install_keyboard(); set_color_depth(16); set_gfx_mode( GFX_AUTODETECT, 640, 480, 0,…
Mark Lalor
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C++ Allegro 5 Symbol not found: __al_mangled_main error

So I have a C++ game program which is supposed to load dynamic class/library loading and all reference to graphic libraries must only be in the respective libraries I'm creating. Now I created the one lib in allegro 5 and the Makefile looks like…
sassy_rog
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Is there a way to create a semi-transparent window with Allegro?

Is there a way to create a display (a window) using allegro, in such way that the background of the window would be translucent. In SDL2 we can achieve that result using this little bit of code: SDL_SetWindowOpacity(window, 0.5);
pedro lopes
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Setting up allegro

Can anyone tell me how to set up allegro for devc++?
umair
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I can't get a fast and easy way to get keyboard events in allegro

I am trying to make a text box in allegro and need a way of getting the ascii keycodes from the key presses. The ev.type == ALLEGRO_EVENT_KEY_DOWN does not always work. I have tried getting the event to work faster but it is still slow. If there is…
Main menu
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Allegro question, how can I get rid of the cmd window?

I've made a small game in Allegro, but every time I run the .exe file it opens both the allegro window for the graphics but also a command line window even though I don't have anything that prints to it. It's kind ugly to have the cmd window next…
flammable
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