DisplayGraphics Struct Reference

Public Methods

Draws a bitmap 'bmp' in a specified position (left, top) in 'fm' mode.

Parameters:

ptr_gfx A pointer to the initialized DisplayGraphics object

bmp A pointer to the initialized Bitmap object

left x-coordinate of the left side of the bitmap to be drawn

top y-coordinate of the top side of the bitmap to be drawn

fm A drawing mode

Returns:

None

 #include <cybiko.h>
 ...
 struct module_t main_module;
 struct Bitmap bitmap;
 ...
 init_module( &main_module );
 Bitmap_ctor_Ex1( &bitmap, "screen.pic" );
 ...
 // main_module.m_gfx is a pointer to the Cybiko graphics context.
 DisplayGraphics_draw_bitmap( main_module.m_gfx, &bitmap, 30, 40, BM_NORMAL );
 ...

Draws a character 'fc' with the current font in a specified position (fx, fy).

Parameters:

ptr_gfx A pointer to the initialized DisplayGraphics object

fx x-coordinate of the character to be drawn

fy y-coordinate of the character to be drawn

fc A character to be drawn

Returns:

The position of the next pixel after the 'fc' character

 #include <cybiko.h>
 ...
 struct module_t main_module;
 int pos;
 ...
 init_module( &main_module );
 Graphics_set_font( main_module.m_gfx, cool_normal_font);
 pos = Graphics_draw_char( main_module.m_gfx, 10, 10, 'c' );
 ...

Draws a horizontal line from point (x , y) to point (xx , y).

Parameters:

ptr_gfx A pointer to the initialized DisplayGraphics object

x x-coordinate horizontal line's starting point

y y-coordinate horizontal line's starting point

xx x-coordinate horizontal line's finishing point

Returns:

None

 #include <cybiko.h>
 ...
 struct module_t main_module;
 int pos;
 ...
 init_module( &main_module );
 TGraph_set_color( main_module.m_gfx, CLR_LTGRAY );
 DisplayGraphics_draw_hline( main_module.m_gfx, 10, 10, 20);
 ...

See also:

DisplayGraphics_draw_line, DisplayGraphics_draw_vline.

Draws a solid line from point (x,y) to point (xx,yy).

Parameters:

ptr_gfx A pointer to the initialized DisplayGraphics object

x x-coordinate of the line's starting point

y y-coordinate of the line's starting point

xx x-coordinate of the line's finishing point

yy y-coordinate of the line's finishing point

Returns:

None

 #include <cybiko.h>
 ...
 struct module_t main_module;
 int pos;
 ...
 init_module( &main_module );
 TGraph_set_color( main_module.m_gfx, CLR_LTGRAY );
 DisplayGraphics_draw_line( main_module.m_gfx, 10, 10, 20, 20);
 ...

See also:

DisplayGraphics_draw_vline, DisplayGraphics_draw_hline.

Draws a rectangular frame in the current color.
It is defined by the coordinates stored in the fx, fy, fw and fh parameters.

Parameters:

ptr_gfx A pointer to the initialized DisplayGraphics object

fx The rectangle's left coordinate

fy The rectangle's top coordinate

fw The rectangle's width

fh The rectangle's height

Returns:

None

 #include <cybiko.h>
 ...
 struct module_t main_module;
 int pos;
 ...
 init_module( &main_module );
 TGraph_set_color( main_module.m_gfx, CLR_LTGRAY );
 DisplayGraphics_draw_rect( main_module.m_gfx, 10, 10, 20, 20);
 ...

See also:

DisplayGraphics_draw_rect_Ex.

Duplicates the DisplayGraphics_draw_rect function.

Parameters:

ptr_gfx A pointer to the initialized DisplayGraphics object

ptr_rectangle A pointer to a rect_t object

Returns:

None

 #include <cybiko.h>
 ...
 struct module_t main_module;
 struct rect_t rectangle={0,0,100,100};
 ...
 init_module( &main_module );
 TGraph_set_color( main_module.m_gfx, CLR_LTGRAY );
 DisplayGraphics_draw_rect_Ex( main_module.m_gfx, &rectangle );
 ...

See also:

DisplayGraphics_draw_rect.

Draws text in a specified position (left, top) with the current font.

Parameters:

ptr_gfx A pointer to the initialized DisplayGraphics object

text A pointer to the string to be drawn

left x-coordinate of the text to be drawn

top y-coordinate of the text to be drawn

Returns:

None

 #include <cybiko.h>
 ...
 struct module_t main_module;
 ...
 init_module( &main_module );
 TGraph_set_color( main_module.m_gfx, CLR_LTGRAY );
 DisplayGraphics_draw_text( main_module.m_gfx, "Any text", 10, 10 );
 ...

See also:

DisplayGraphics_draw_text_Ex.

Duplicates the DisplayGraphics_draw_text function.
If the length of the string exceeds the number of 'flen' pixels, the string will be truncated.

Parameters:

ptr_gfx A pointer to the initialized DisplayGraphics object

text A pointer to the string to be drawn

left x-coordinate of the text to be drawn

top y-coordinate of the text to be drawn

flen Maximum length (in pixels) of the string to be drawn

Returns:

None

 #include <cybiko.h>
 ...
 struct module_t main_module;
 ...
 init_module( &main_module );
 TGraph_set_color( main_module.m_gfx, CLR_LTGRAY );
 DisplayGraphics_draw_text_Ex( main_module.m_gfx, "Any text", 10, 10, 20);
 ...

See also:

DisplayGraphics_draw_text.

Draws a vertical line from point (x, y) to point (x , yy).

Parameters:

ptr_gfx A pointer to the initialized DisplayGraphics object

x x-coordinate of the vertical line's starting point

y y-coordinate of the vertical line's starting point

yy y-coordinate of the vertical line's finishing point

Returns:

None

 #include <cybiko.h>
 ...
 struct module_t main_module;
 int pos;
 ...
 init_module( &main_module );
 TGraph_set_color( main_module.m_gfx, CLR_LTGRAY );
 DisplayGraphics_draw_vline( main_module.m_gfx, 10, 10, 20);
 ...

See also:

DisplayGraphics_draw_line, DisplayGraphics_draw_hline.

Fills a rectangle with the current color.
The rectangle's area is defined by the fx, fy, fw and fh parameters.

Parameters:

ptr_gfx A pointer to the initialized DisplayGraphics object

fx The rectangle's left coordinate

fy The rectangle's top coordinate

fw The rectangle's width

fh The rectangle's height

Returns:

None

 #include <cybiko.h>
 ...
 struct module_t main_module;
 int pos;
 ...
 init_module( &main_module );
 TGraph_set_color( main_module.m_gfx, CLR_LTGRAY );
 DisplayGraphics_fill_rect( main_module.m_gfx, 10, 10, 20, 20);
 ...

See also:

DisplayGraphics_fill_rect_Ex.

Duplicates the Graphics_fill_rect function.

Parameters:

ptr_gfx A pointer to the initialized DisplayGraphics object

ptr_rectangle A pointer to a tect_t object

Returns:

None

 #include <cybiko.h>
 ...
 struct module_t main_module;
 struct rect_t rectangle={0,0,100,100};
 ...
 init_module( &main_module );
 TGraph_set_color( main_module.m_gfx, CLR_LTGRAY );
 DisplayGraphics_fill_rect_Ex( main_module.m_gfx, &rectangle );
 ...

See also:

Graphics_fill_rect.

Fills the screen with the 'fc' color.

Parameters:

ptr_gfx A pointer to the initialized DisplayGraphics object

fc A color's value

Returns:

None

 #include <cybiko.h>
 ...
 struct module_t main_module;
 ...
 init_module( &main_module );
 DisplayGraphics_fill_screen( main_module.m_gfx, CLR_LTGRAY);
 ...

See also:

CLR_WHITE, CLR_LTGRAY, CLR_DKGRAY, CLR_BLACK.

Switches background and foreground pages and shows the background screen on the LCD.

Parameters:

ptr_gfx A pointer to the initialized DisplayGraphics object

Returns:

None

 #include <cybiko.h>
 ...
 int i;
 struct module_t main_module;
 ...
 init_module( &main_module );
 ...
 // main_module.m_gfx is a pointer to the Cybiko graphics context.
 DisplayGraphics_set_page( main_module.m_gfx, 0 );
 // main_module.m_gfx is a pointer to the Cybiko graphics context.
 // The second parameter in the TGraph_set_color function is color value.
 // This value must be one of the following: CLR_WHITE, CLR_LTGRAY, CLR_DKGRAY, CLR_BLACK.
 TGraph_set_color( main_module.m_gfx, CLR_WHITE );
 TGraph_fill_rect( main_module.m_gfx, 5, 5, 30, 30 );
 // To send the current graphics page to the Cybiko display you should use this function
 DisplayGraphics_show( main_module.m_gfx );
 ...
 DisplayGraphics_set_page( main_module.m_gfx, 1 );
 TGraph_set_color( main_module.m_gfx, CLR_BLACK );
 TGraph_fill_rect( main_module.m_gfx, 5, 5, 30, 30 );
 DisplayGraphics_show( main_module.m_gfx );
 ...
 for(i = 0; i < 20 ; i++)
 {
 DisplayGraphics_flip( main_module.m_gfx );
 cWinApp_pause( main_module.m_gfx , 250 ); // 250 milliseconds delay.
 }
 // Black and white rectangles will change places with each other.

Returns a pointer to an image of the DisplayGraphics object destination.

Parameters:

ptr_gfx A pointer to a DisplayGraphics object

Returns:

A pointer to an image of the DisplayGraphics object destination

 #include <cywin.h>
 ...
 struct module_t main_module;
 struct Graphics gfx;
 ...
 init_module( &main_module );
 ...
 DisplayGraphics_put_background( main_module.m_gfx,
 DisplayGraphics_get_buf_addr( &gfx ));
 ...

See also:

DisplayGraphics_page_copy_Ex.

Returns the number of bytes amount in the screen buffer.

Parameters:

ptr_gfx A pointer to the initialized DisplayGraphics object

Returns:

The number of bytes in the screen buffer

 #include <cybiko.h>
 ...
 struct module_t main_module;
 char* ptr_display_buffer;
 ...
 init_module( &main_module );
 ptr_display_buffer = (char* ) malloc( DisplayGraphics_get_bytes_total( main_module.m_gfx ) );
 ...

Returns the current font's character's height.

Parameters:

ptr_gfx A pointer to the initialized DisplayGraphics object

Returns:

Current font's character height

 #include <cybiko.h>
 ...
 struct module_t main_module;
 int font_height;
 ...
 DisplayGraphics_set_font( main_module.m_gfx, cool_normal_font );
 font_height = DisplayGraphics_get_char_height( main_module.m_gfx );
 ...

Returns the current font's character width.

Parameters:

ptr_gfx A pointer to the initialized DisplayGraphics object

Returns:

Current font's character width

 #include <cybiko.h>
 ...
 struct module_t main_module;
 int font_width;
 ...
 DisplayGraphics_set_font( main_module.m_gfx, cool_normal_font );
 font_width = DisplayGraphics_get_char_width( main_module.m_gfx, 'g' );
 ...

Returns a clip region.

Parameters:

ptr_gfx A pointer to the initialized DisplayGraphics object

ptr_rectangle A pointer to a rect_t object

Returns:

None

 #include <cybiko.h>
 struct module_t main_module;
 ...
 struct rect_t clip_region;
 ...
 DisplayGraphics_get_clip( main_module.m_gfx, &clip_region);
 ...

Returns the current foreground color.

Parameters:

ptr_gfx A pointer to the initialized DisplayGraphics object

Returns:

Current foreground color

 #include <cybiko.h>
 ...
 struct module_t main_module;
 ...
 init_module( &main_module );
 if ( DisplayGraphics_get_color( main_module.m_gfx ) != CLR_LTGRAY )
 DisplayGraphics_set_color( main_module.m_gfx, CLR_LTGRAY);
 ...

See also:

DisplayGraphics_set_color, CLR_WHITE, CLR_LTGRAY, CLR_DKGRAY, CLR_BLACK.

Returns the current draw mode.

Parameters:

ptr_gfx A pointer to the initialized DisplayGraphics object

Returns:

Current draw mode

 #include <cybiko.h>
 ...
 struct module_t main_module;
 ...
 init_module( &main_module );
 if ( DisplayGraphics_get_draw_mode( main_module.m_gfx ) != DM_PUT )
 DisplayGraphics_set_draw_mode( main_module.m_gfx, DM_PUT);
 ...

See also:

DisplayGraphics_set_draw_mode, DM_PUT, DM_OR, DM_XOR.

Returns the current font.

Parameters:

ptr_gfx A pointer to the initialized DisplayGraphics object

Returns:

A pointer to the current font

 #include <cybiko.h>
 ...
 struct module_t main_module;
 struct Font *curFont;
 ...
 init_module( &main_module );
 curFont=DisplayGraphics_get_font( main_module.m_gfx);
 ...

Returns the current graphics page number (0 or 1).

Parameters:

ptr_gfx A pointer to a Graphics object

Returns:

Current graphics page number (0 or 1)

 #include <cybiko.h>
 ...
 struct module_t main_module;
 ...
 init_module( &main_module );
 ...
 if ( !DisplayGraphics_get_page( main_module.m_gfx ) )
 DisplayGraphics_set_page( main_module.m_gfx, 1 );
 ...

See also:

DisplayGraphics_flip, DisplayGraphics_set_page.

Returns the pointer to the screen buffer for the 'fp' graphics page.
Use with caution!!!

Parameters:

ptr_gfx A pointer to a DisplayGraphics object

page A number of the graphics page

Returns:

A pointer to the graphics page's screen buffer

 #include <cybiko.h>
 ...
 struct module_t main_module;
 char* ptr_display_buffer;
 init_module( &main_module );
 ...
 // Allocating memory for buffer
 ptr_display_buffer = (char* ) malloc( TGraph_get_bytes_total( main_module.m_gfx ) );
 ...
 // Make some graphics operations ( draw a picture, for instance)
 ...
 // Save the screen
 memcpy( ptr_display_buffer, DisplayGraphics_get_page_ptr(main_module.m_gfx, 0), TGraph_get_bytes_total(main_module.m_gfx));
 ...
 // Make another graphics operation
 ...
 // Restore the screen. Works very fast.
 TGraph_put_background( main_module.m_gfx, ptr_display_buffer );
 ...
 // Make another graphics operation
 ...
 // Restore the screen again.
 TGraph_put_background( main_module.m_gfx, ptr_display_buffer );
 ...
 free( ptr_display_buffer );

Returns the color of the pixel with coordinate (fx , fy).

Parameters:

ptr_gfx A pointer to the initialized DisplayGraphics object

fx x-coordinate of the required pixel

fy y-coordinate of the required pixel

Returns:

The color of the pixel with coordinate (fx , fy)

 #include <cybiko.h>
 ...
 struct module_t main_module;
 if ( DisplayGraphics_get_pixel( main_module.m_gfx, 10, 30 ) == CLR_BLACK )
 DisplayGraphics_set_pixel( main_module.m_gfx, 10, 30, CLR_WHITE );
 ...

See also:

DisplayGraphics_set_pixel.

Copies a rectangular area from one graphics page to another.
A rectangular area is defined by x,y,h and w parameters.

Parameters:

ptr_gfx A pointer to a DisplayGraphics object

from_page The source page to copy

to_page The destination page for the copied image

x x-coordinate of the rectangular area to be copied

y y-coordinate of the rectangular area to be copied

w A width of the page to be copied

h A height of the page to be copied

Returns:

None

 #include <cybiko.h>
 ...
 struct module_t main_module;
 init_module( &main_module );
 ...
 // main_module.m_gfx A pointer to the Cybiko graphics context
 DisplayGraphics_set_page( main_module.m_gfx, 1 );
 // main_module.m_gfx is a pointer to the Cybiko graphics context.
 // The second parameter in the TGraph_set_color function is the color value.
 // This value must be one of the following: CLR_WHITE, CLR_LTGRAY, CLR_DKGRAY, CLR_BLACK.
 TGraph_set_color( main_module.m_gfx, CLR_WHITE );
 TGraph_fill_rect( main_module.m_gfx, 5, 5, 30, 30 );
 // To send the current graphics page to the Cybiko display you should use this function
 DisplayGraphics_show_Ex( main_module.m_gfx , 1 );
 ...
 DisplayGraphics_set_page( main_module.m_gfx, 0 );
 DisplayGraphics_page_copy( main_module.m_gfx, 1, 0, 5, 5, 30, 30 );
 // Now the white rectangle is on both Cybiko graphics pages.
 ...

See also:

DisplayGraphics_page_copy_Ex.

Duplicates the DisplayGraphics_page_copy function.
The region coordinates are defined in the rect_t object.

Parameters:

ptr_gfx A pointer to a DisplayGraphicsGraphics object

from_page The source page to copy

to_page The destination page for the copied image

rc A pointer to the rectangle to be copied

Returns:

None

 #include <cybiko.h>
 ...
 struct module_t main_module;
 struct rect_t white_rect;
 init_module( &main_module );
 ...
 // main_module.m_gfx is a pointer to the Cybiko graphics context.
 DisplayGraphics_set_page( main_module.m_gfx, 1 );
 white_rect.x = 5;
 white_rect.y = 5;
 white_rect.w = 30;
 white_rect.h = 30;
 // main_module.m_gfx is a pointer to the Cybiko graphics context.
 // The second parameter in the TGraph_set_color function is color value.
 // This value must be one of the following: CLR_WHITE, CLR_LTGRAY, CLR_DKGRAY, CLR_BLACK.
 TGraph_set_color( main_module.m_gfx, CLR_WHITE );
 TGraph_fill_rect_Ex( main_module.m_gfx, &white_rect );
 // To send the current graphics page to the Cybiko display you should use this function
 DisplayGraphics_show_Ex( main_module.m_gfx , 1 );
 ...
 DisplayGraphics_set_page( main_module.m_gfx, 0 );
 DisplayGraphics_page_copy_Ex( main_module.m_gfx, 1, 0 , &white_rect );
 // Now the white rectangle is on both Cybiko graphics pages.

See also:

DisplayGraphics_page_copy.

Sets an image pointed by ptr_background as a background image.

Parameters:

ptr_gfx A pointer to a DisplayGraphics object

ptr_background A pointer to a background image

Returns:

None

 #include <cywin.h>
 ...
 struct module_t main_module;
 struct Graphics gfx;
 ...
 init_module( &main_module );
 ...
 DisplayGraphics_put_background( main_module.m_gfx,
 Graphics_get_buf_addr( &gfx ));
 ...

Scrolls a rectangular area by dx and dy.

Parameters:

ptr_gfx A pointer to a DisplayGraphics object

ptr_rectangle A pointer to the rect_t type structure to be scrolled

dx A number of pixels in the x-direction

dy A number of pixels in the y-direction

Returns:

None

 #include <cywin.h>
 ...
 struct module_t main_module;
 int scroll_shift;
 ...
 init_module( &main_module );
 ...
 DisplayGraphics_scroll( main_module.m_gfx, 0, 0, 160, 78, scroll_shift, 0 );
 ...

Sets a bitmap 'bmp' as the destination for drawings.

Parameters:

ptr_gfx A pointer to a DisplayGraphics object

bmp A pointer to the Bitmap object

Returns:

None

 #include <cywin.h>
 ...
 struct module_t main_module;
 struct Bitmap bitmap;
 ...
 init_module( &main_module );
 ...
 DisplayGraphics_set_bitmap( main_module.m_gfx, &bitmap );
 ...
 DisplayGraphics_show( main_module.m_gfx );
 ...

Sets the current background color.

Parameters:

ptr_gfx A pointer to a TGraph object

fc A color_t object

Returns:

None

 #include <cybiko.h>
 ...
 struct module_t main_module;
 struct Bitmap bmp;
 ...
 init_module( &main_module );
 // Creates a bitmap from the file "root.ico".
 Bitmap_ctor_Ex1( &bmp, "root.ico" );
 ...
 // Set draw mode to mode OR.
 TGraph_set_draw_mode( main_module.m_gfx, DM_OR );
 // Set transparent color to CLR_BLACK
 TGraph_set_bkcolor( main_module.m_gfx, CLR_BLACK );
 // Draw all pixels of the bitmap except pixels with CLR_BLACK color.
 Graphics_draw_bitmap( main_module.m_gfx, &bmp, 30, 40, BM_NORMAL );
 ...
 Bitmap_dtor( &bmp, LEAVE_MEMORY );
 ...

See also:

CLR_WHITE, CLR_LTGRAY, CLR_DKGRAY, CLR_BLACK.

Sets a clip region, defined by coordinates that are stored in fx, fy, fw and fh parameters.

Parameters:

ptr_gfx A pointer to a TGraph object

fx x-coordinate of upper-left corner of the area to be clipped

fy y-coordinate of upper-left corner of the area to be clipped

fw Width of the area to be clipped

fh Height of the area to be clipped

Returns:

None

 #include <cybiko.h>
 ...
 struct module_t main_module;
 struct rect_t clip_region;
 init_module( &main_module );
 ...
 // main_module.m_gfx is a pointer to the Cybiko graphics context.
 TGraph_get_clip ( main_module.m_gfx, &clip_region );
 if ( (clip_region.x != 0) || ( clip_region.y != 0) ||
 ( clip_region.w != SCREEN_WIDTH) ||( clip_region.h != SCREEN_HEIGHT) )
 TGraph_set_clip( main_module.m_gfx, 0, 0, SCREEN_WIDTH, SCREEN_HEIGHT );
 ...

See also:

DisplayGraphics_set_clip_Ex.

Duplicates the Graphics_set_clip function.
The region coordinates are stored in the rect_t object.

Parameters:

ptr_gfx A pointer to a TGraph object

ptr_rectangle A pointer to a rect_t object. By this structure we can define the region coordinates

Returns:

None

 #include <cybiko.h>
 ...
 struct module_t main_module;
 struct rect_t clip_region;
 struct rect_t new_clip_reg;
 init_module( &main_module );
 ...
 new_clip_reg.x = 10;
 new_clip_reg.y = 10;
 new_clip_reg.h = 100;
 new_clip_reg.w = 100;
 ...
 // main_module.m_gfx is a pointer to the Cybiko graphics context.
 TGraph_get_clip ( main_module.m_gfx, &clip_region );
 if ( (clip_region.x != 0) || ( clip_region.y != 0) ||
 ( clip_region.w != SCREEN_WIDTH) ||( clip_region.h != SCREEN_HEIGHT) )
 TGraph_set_clip_Ex( main_module.m_gfx, &new_clip_reg );
 ...

See also:

DisplayGraphics_set_clip.

Sets the current foreground color.

Parameters:

ptr_gfx A pointer to a TGraph object

fc A pointer to a color_t object

Returns:

None

 #include <cybiko.h>
 ...
 struct module_t main_module;
 init_module( &main_module );
 ...
 // main_module.m_gfx is a pointer to the Cybiko graphics context.
 // The second parameter in the TGraph_set_color function is color value.
 // This value must be one of the following: CLR_WHITE, CLR_LTGRAY, CLR_DKGRAY, CLR_BLACK.
 if ( TGraph_get_color( main_module.m_gfx ) != CLR_LTGRAY )
 TGraph_set_color( main_module.m_gfx, CLR_LTGRAY );
 TGraph_draw_line( main_module.m_gfx, 10, 10, 20, 60 );
 ...
 // To send the current graphics page to the Cybiko display you should use this function
 DisplayGraphics_show( main_module.m_gfx );

See also:

DisplayGraphics_get_color, CLR_WHITE, CLR_LTGRAY, CLR_DKGRAY, CLR_BLACK.

Sets the current drawing mode.

Parameters:

ptr_gfx A pointer to a TGraph object

dm A drawmode_t object

Returns:

None

 #include <cybiko.h>
 ...
 struct module_t main_module;
 init_module( &main_module );
 ...
 // main_module.m_gfx is a pointer to the Cybiko graphics context.
 // The second parameter in the TGraph_set_color function is color value.
 // This value must be one of the following: CLR_WHITE, CLR_LTGRAY, CLR_DKGRAY, CLR_BLACK.
 TGraph_set_color( main_module.m_gfx, CLR_LTGRAY );
 ...
 // The second parameter in the TGraph_set_draw_mode function is the draw mode value.
 // This value must be one of the following: DM_XOR, DM_OR, DM_PUT.
 if ( TGraph_get_draw_mode( main_module.m_gfx ) != DM_PUT )
 TGraph_set_draw_mode( main_module.m_gfx, DM_PUT );
 TGraph_fill_rect( main_module.m_gfx, 5, 5, 30, 30 );
 ...
 // To send the current graphics page to the Cybiko display you should use this function
 DisplayGraphics_show( main_module.m_gfx );

See also:

DisplayGraphics_get_draw_mode, DM_XOR, DM_OR, DM_PUT.

Sets the font object as a current font.

Parameters:

ptr_gfx A pointer to a TGraph object

font A pointer to the Font structure

Returns:

None

 #include <cybiko.h>
 ...
 int str_plen;
 struct module_t main_module;
 ...
 init_module( &main_module );
 ...
 // main_module.m_gfx is a pointer to the Cybiko graphics context.
 Graphics_set_font( main_module.m_gfx, cool_normal_font );
 ...

Sets the page 'page' as a target for drawing, and in default sends it to the LCD.

Parameters:

ptr_gfx A pointer to a DisplayGraphics object

page Can be 0 or 1

Returns:

None

 #include <cybiko.h>
 ...
 struct module_t main_module;
 init_module( &main_module );
 ...
 if ( !DisplayGraphics_get_page( main_module.m_gfx ) )
 DisplayGraphics_set_page( main_module.m_gfx, 1 );
 ...

See also:

DisplayGraphics_get_page.

Sets the color value 'fc' for pixel (fx, fy).

Parameters:

ptr_gfx A pointer to a TGraph object

fx x-coordinate of the pixel to be drawn

fy y-coordinate of the pixel to be drawn

fc Color of the pixel to be drawn

Returns:

None

 #include <cybiko.h>
 ...
 struct module_t main_module;
 struct rect_t clip_region;
 init_module( &main_module );
 ...
 // main_module.m_gfx is a pointer to the Cybiko graphics context.
 TGraph_get_clip ( main_module.m_gfx, &clip_region );
 if ( TGraph_get_pixel( main_module.m_gfx, 10, 30 ) == CLR_BLACK )
 TGraph_set_pixel( main_module.m_gfx, 10, 30, CLR_WHITE );
 ...

See also:

DisplayGraphics_get_pixel, CLR_WHITE, CLR_LTGRAY, CLR_DKGRAY, CLR_BLACK.

Sends the current graphics page to the LCD.

Parameters:

ptr_gfx A pointer to a DisplayGraphics object

Returns:

None

 #include <cybiko.h>
 ...
 int i;
 struct module_t main_module;
 ...
 init_module( &main_module );
 ...
 // main_module.m_gfx is a pointer to the Cybiko graphics context.
 DisplayGraphics_set_page( main_module.m_gfx, 0 );
 // main_module.m_gfx is a pointer to the Cybiko graphics context.
 // The second parameter in the TGraph_set_color function is the color value.
 // This value must be one of the following: CLR_WHITE, CLR_LTGRAY, CLR_DKGRAY, CLR_BLACK.
 TGraph_set_color( main_module.m_gfx, CLR_WHITE );
 TGraph_fill_rect( main_module.m_gfx, 5, 5, 30, 30 );
 // To send the current graphics page to the Cybiko display you should use this function
 DisplayGraphics_show( main_module.m_gfx );
 ...
 DisplayGraphics_set_page( main_module.m_gfx, 1 );
 TGraph_set_color( main_module.m_gfx, CLR_BLACK );
 TGraph_fill_rect( main_module.m_gfx, 5, 5, 30, 30 );
 DisplayGraphics_show( main_module.m_gfx );
 ...
 for(i=0; i<20; i++)
 {
 DisplayGraphics_flip( main_module.m_gfx );
 cWinApp_pause( main_module.m_gfx, 250); // 250 milliseconds delay.
 }
 // Black and white rectangles will change places with each other.

See also:

DisplayGraphics_set_page, DisplayGraphics_show_Ex.

The extended version of the DisplayGraphics_show function.
Sends a specified graphics page to the LCD. The graphics page defines are in the 'pg' parameter.

Parameters:

ptr_gfx A pointer to a DisplayGraphics object

page Graphics page (0 or 1)

Returns:

None

 #include <cybiko.h>
 ...
 int i;
 struct module_t main_module;
 ...
 init_module( &main_module );
 ...
 // main_module.m_gfx is a pointer to the Cybiko graphics context.
 DisplayGraphics_set_page( main_module.m_gfx, 0 );
 // main_module.m_gfx is a pointer to the Cybiko graphics context.
 // The second parameter in the TGraph_set_color function is color value.
 // This value must be one of the following: CLR_WHITE, CLR_LTGRAY, CLR_DKGRAY, CLR_BLACK.
 TGraph_set_color( main_module.m_gfx, CLR_WHITE );
 TGraph_fill_rect( main_module.m_gfx, 5, 5, 30, 30 );
 // To send the current graphics page to the Cybiko display you should use this function
 DisplayGraphics_show( main_module.m_gfx );
 ...
 DisplayGraphics_set_page( main_module.m_gfx, 1 );
 TGraph_set_color( main_module.m_gfx, CLR_BLACK );
 TGraph_fill_rect( main_module.m_gfx, 5, 5, 30, 30 );
 DisplayGraphics_show( main_module.m_gfx );
 ...
 for(i=0; i<20; i++)
 {
 DisplayGraphics_show_Ex( main_module.m_gfx, i%2 );
 cWinApp_pause(main_module.m_process , 250); // 250 milliseconds delay.
 }
 // Black and white rectangles will change places with each other.

See also:

DisplayGraphics_set_page, DisplayGraphics_show.

Returns the width (in pixels) of a string in the current font.

Parameters:

ptr_gfx A pointer to the initialized DisplayGraphics object

string A pointer to the string

Returns:

The width (in pixels) of a string in the current font

 #include <cybiko.h>
 ...
 struct module_t main_module;
 int str_plen;
 DisplayGraphics_set_font( main_module.m_gfx, cool_normal_font );
 ...
 str_plen = DisplayGraphics_string_width( main_module.m_gfx, "Any string" );
 ...

See also:

DisplayGraphics_string_width_Ex.

Returns the width (in pixels) of the first 'flen' symbols in a string.

Parameters:

ptr_gfx A pointer to the initialized DisplayGraphics object

string A pointer to the string

flen A number of the symbols

Returns:

The width (in pixels) of the first 'flen' symbols in a string

 #include <cybiko.h>
 ...
 struct module_t main_module;
 int str_plen;
 DisplayGraphics_set_font( main_module.m_gfx, cool_normal_font );
 ...
 str_plen = DisplayGraphics_string_width_Ex( main_module.m_gfx, "Any string" ,20);
 ...

See also:

DisplayGraphics_string_width.