Blmaster
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« on: September 30, 2007, 06:19:48 PM » |
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ok so, its been a while since i coded, but i have done all the tutorials and completed them and it worked! so i know a bit of C++
whats a GUI??
i know its graphic user interphase but i mean what is it for! Is it just for game homebrew because it requires graphics... and i know like if you use GUI and stuff it better because of the color and stuff or something...
basically i just need help on how to get started on GUI coding!? anyone want to help me!
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sk8inrox
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« Reply #1 on: September 30, 2007, 07:12:49 PM » |
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The graphical user interface in Windows is like the taskbar and the windows with the minimize, maximize and close buttons. If your just starting out I wouldn't recommend starting off with making a gui 'cause it's too complicated. Try starting out simple.
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« Reply #2 on: September 30, 2007, 10:55:18 PM » |
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its not too hard, tutorial 4 has laid it out for him. If you understand C syntax which im guessing you can then doing it won't be hard if you use graphics.c and graphics.h but make sure you have downloaded libzlib and libpng
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Raphael
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« Reply #3 on: October 01, 2007, 05:40:27 AM » |
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A GUI is not necessarily a full window manager. A GUI can be as simple as a number of selectable "buttons". A good example is next to every games main menu.
A GUI's most important feature is being graphical - ie not text-based - and other than that it just needs to be a UI.
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Blmaster
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« Reply #4 on: October 02, 2007, 11:52:46 AM » |
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yea so its just graphics... and i already did all the tutorials and i want to start doing graphics now, because i already created text based programs and i think i have the hang of that
so graphics.c and graphics.h is all you need, and the commands are in there!!!
well i tired to do this, and it didnt work. (tired it long time ago, and dont have any source to show you sry)
how do i load an image in the background with a menu in the the front?
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2.6,CRACKED!
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« Reply #5 on: October 02, 2007, 12:03:00 PM » |
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well, if it didnt compile make sure: - You have installed the libraries properly, make && make install
- You link them properly in the makefile
if it compiles... make sure: - You load a png image
- The image is in the right folder or even on mem stick
Also read parameters: /**
* Blit a rectangle part of an image to screen without alpha pixels in source image.
*
* @pre source != NULL && destination != NULL &&
* sx >= 0 && sy >= 0 &&
* width > 0 && height > 0 &&
* sx + width <= source->width && sy + height <= source->height &&
* dx + width <= SCREEN_WIDTH && dy + height <= SCREEN_HEIGHT
* @param sx - left position of rectangle in source image
* @param sy - top position of rectangle in source image
* @param width - width of rectangle in source image
* @param height - height of rectangle in source image
* @param source - pointer to Image struct of the source image
* @param dx - left target position in destination image
* @param dy - top target position in destination image
*/
extern void blitAlphaImageToScreen(int sx, int sy, int width, int height, Image* source, int dx, int dy); So to load a background picture for example in the main function... you should read headerfiles.... if you understand C or can even read english it is easy.... Image *Background;
Background = loadImage("background.png");
while(1)
{
blitAlphaImageToScreen(0, 0, 480, 272,Background, 0, 0);
sceDisplayWaitVblankStart();
flipScreen();
}
Read up on the rest... your lazy |
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Vincent
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« Reply #6 on: October 02, 2007, 01:10:16 PM » |
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You'll want to look into optimizing what you've got there in the graphics library too. There's some simple things you can do to make it much quicker as well. There's a few threads on this forum that explains in great detail what I mean. Just do a search on "graphics optimization" in these forums, and you'll see what I mean.
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flatmush
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« Reply #7 on: October 02, 2007, 02:18:30 PM » |
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I would advise you get to a point where you can see the need for optimization first, if your program runs at over 60 fps without optimizations then you don't need to invest the extra time in it.
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« Reply #8 on: October 02, 2007, 10:13:42 PM » |
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But why not do it for teh LOLZ?  Or just write it Optimized the first time so you dont have to worry about it later ehh? (Lol my canadian is coming out ) |
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yaustar
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« Reply #9 on: October 03, 2007, 02:47:35 AM » |
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But why not do it for teh LOLZ? Or just write it Optimized the first time so you dont have to worry about it later ehh? (Lol my canadian is coming out ) Optimised code is harder to refractor and maintain then non-optimised code. Get it working. If the game runs too slowly, profile to find the bottlenecks. Attempt to optimise the bottlenecks. Profile again to see if it made a difference. |
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Raphael
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« Reply #10 on: October 03, 2007, 03:52:03 AM » |
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Vincent: Not everyone has the need for optimizing every bit of code. The OP just wanted to know how a GUI basically works - not how he can make it blazing fast. Also, it's not even sure if he would be capable of optimizing the graphics lib himself, so advising him to do so is pretty useless. If he gets his GUI working and notices it doesn't run smooth enough (which it most likely won't since a GUI is next to never the bottleneck), he will for sure come back and ask on how he can make it faster.
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Blmaster
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« Reply #11 on: October 03, 2007, 05:19:04 PM » |
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thanks for all your help, i will see if i can get the background working now... i will ask you guys if i need more help. Thanks!
lets see if i can get this to work
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