Memory representation of a 8bits picture. More...
#include "struct.h"
Include dependency graph for gfx2surface.h:
This graph shows which files directly or indirectly include this file:
Data Structures | |
| struct | T_GFX2_Surface |
| to load 256 color pictures into memory More... | |
Functions | |
| T_GFX2_Surface * | New_GFX2_Surface (word width, word height) |
| Allocate a new surface. More... | |
| void | Free_GFX2_Surface (T_GFX2_Surface *surface) |
| Free the surface object and the associated pixel data. More... | |
| byte | Get_GFX2_Surface_pixel (const T_GFX2_Surface *surface, int x, int y) |
| Retrieve a pixel value. More... | |
| void | Set_GFX2_Surface_pixel (T_GFX2_Surface *surface, int x, int y, byte value) |
| Set a pixel. More... | |
Detailed Description
Memory representation of a 8bits picture.
Function Documentation
◆ New_GFX2_Surface()
| T_GFX2_Surface * New_GFX2_Surface | ( | word | width, |
| word | height | ||
| ) |
Allocate a new surface.
- Parameters
-
width,height dimension of the new surface. Cannot be 0
- Returns
- the new surface
- NULL in case of error
References GFX2_malloc, T_GFX2_Surface::h, NULL, T_GFX2_Surface::palette, T_GFX2_Surface::pixels, and T_GFX2_Surface::w.
Referenced by GFX2_Set_mode(), Pre_load(), and Render_text_SFont().
◆ Free_GFX2_Surface()
| void Free_GFX2_Surface | ( | T_GFX2_Surface * | surface | ) |
Free the surface object and the associated pixel data.
- Parameters
-
surface The surface to free
References T_GFX2_Surface::pixels.
Referenced by Load_font(), Load_graphics(), Pre_load(), Render_text_SFont(), SFont_FreeFont(), Test_C64_Formats(), Test_Load(), and Test_Save().
◆ Get_GFX2_Surface_pixel()
| byte Get_GFX2_Surface_pixel | ( | const T_GFX2_Surface * | surface, |
| int | x, | ||
| int | y | ||
| ) |
Retrieve a pixel value.
- Parameters
-
surface The surface to access x,y the coordinate of the pixel to read
- Returns
- the pixel 8 bits value
- 0 for out of bound access
References GFX2_Log(), GFX2_WARNING, T_GFX2_Surface::h, NULL, T_GFX2_Surface::pixels, and T_GFX2_Surface::w.
Referenced by GUI_seek_down(), GUI_seek_right(), Parse_font(), Parse_skin(), Read_GUI_block(), and SFont_InitFont().
◆ Set_GFX2_Surface_pixel()
| void Set_GFX2_Surface_pixel | ( | T_GFX2_Surface * | surface, |
| int | x, | ||
| int | y, | ||
| byte | value | ||
| ) |
Set a pixel.
Nothing is done if the coordinates are out of bound.
- Parameters
-
surface The surface to access x,y the coordinate of the pixel to write value the 8 bits pixel value
References GFX2_Log(), GFX2_WARNING, T_GFX2_Surface::h, NULL, T_GFX2_Surface::pixels, and T_GFX2_Surface::w.
Referenced by Set_pixel().
