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graphmanual.html
| @@ -12,16 +12,16 @@ capabilities to the beginners learning C. It is expected, that after | @@ -12,16 +12,16 @@ capabilities to the beginners learning C. It is expected, that after | ||
| 12 | getting enough proficiency in C, the programmer will use SDL library | 12 | getting enough proficiency in C, the programmer will use SDL library |
| 13 | directly. The library is contained in the file <I>primlib.c</I>. | 13 | directly. The library is contained in the file <I>primlib.c</I>. |
| 14 | Every file using it should include <I>primlib.h</I>. The library | 14 | Every file using it should include <I>primlib.h</I>. The library |
| 15 | -requires <A HREF="http://www.libsdl.org/">SDL 1.2</A> and <A HREF="http://www.ferzkopp.net/%7Easchiffler/Software/SDL_gfx-2.0/">SDL_gfx</A> | 15 | +requires <A HREF="http://www.libsdl.org/">SDL 2.0</A> and <A HREF="http://www.ferzkopp.net/wordpress/2016/01/02/sdl_gfx-sdl2_gfx/">SDL2_gfx</A> |
| 16 | and can be downloaded <A HREF="primlib.tgz">here</A></P> | 16 | and can be downloaded <A HREF="primlib.tgz">here</A></P> |
| 17 | <H1>The coordinate system</H1> | 17 | <H1>The coordinate system</H1> |
| 18 | <P>The coordinate system origin is located at upper-left corner of a | 18 | <P>The coordinate system origin is located at upper-left corner of a |
| 19 | graphics window. Width and height of the graphics window can be | 19 | graphics window. Width and height of the graphics window can be |
| 20 | -queried using the screenWidth() and screenHeight() functions, | ||
| 21 | -respectively. Before using any of the graphics functions initgraph() | 20 | +queried using the gfx_screenWidth() and gfx_screenHeight() functions, |
| 21 | +respectively. Before using any of the graphics functions gfx_init() | ||
| 22 | must be called. After the drawing operations, to make the updates to | 22 | must be called. After the drawing operations, to make the updates to |
| 23 | -the screen visible, call updateScreen(). Before calling | ||
| 24 | -updateScreen() once again, you must clear the screen and redraw the | 23 | +the screen visible, call gfx_updateScreen(). Before calling |
| 24 | +gfx_updateScreen() once again, you must clear the screen and redraw the | ||
| 25 | entire scene.</P> | 25 | entire scene.</P> |
| 26 | <H1>Compilation</H1> | 26 | <H1>Compilation</H1> |
| 27 | <P>The following command line can be used to compile programs using | 27 | <P>The following command line can be used to compile programs using |