gumball_backend.h File Reference

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Functions
GBL_DECLS_BEGIN GBL_RESULT	GUM_Backend_pollInput (GUM_Controller *pController)
GBL_RESULT	GUM_Backend_rectangleDraw (GUM_Renderer *pRenderer, GUM_Rectangle rectangle, float roundness, GUM_Color color)
GBL_RESULT	GUM_Backend_rectangleLinesDraw (GUM_Renderer *pRenderer, GUM_Rectangle rectangle, float roundness, float border_width, GUM_Color color)
void	GUM_Backend_setLogger (void)
GBL_RESULT	GUM_Backend_Texture_load (GUM_IResource *pResource, GblStringRef *pPath)
GBL_RESULT	GUM_Backend_Texture_unload (GUM_IResource *pResource)
GBL_RESULT	GUM_Backend_Texture_draw (GUM_Renderer *pRenderer, GUM_Texture *pTexture, GUM_Rectangle rectangle, GUM_Color color)
GBL_RESULT	GUM_Backend_Font_load (GUM_IResource *pResource, GblStringRef *pPath)
GBL_RESULT	GUM_Backend_Font_unload (GUM_IResource *pResource)
GBL_RESULT	GUM_Backend_Font_draw (GUM_Renderer *pRenderer, GUM_Font *pFont, GblStringRef *pText, GUM_Vector2 position, GUM_Color color, int fontSize, float spacing)
GBL_RESULT	GUM_Backend_Font_measureText (GUM_Font *pFont, GblStringRef *pText, uint8_t fontSize)
GUM_Font *	GUM_Backend_Font_default (void)

Detailed Description

Abstract backend functions.

Todo

• Add support for audio and fonts
• Texture rotation

Author

2025 Agustín Bellagamba

Copyright

MIT License

Function Documentation

GUM_Backend_pollInput()

GBL_DECLS_BEGIN GBL_RESULT GUM_Backend_pollInput

(

GUM_Controller *

pController

)

Polls input.

GUM_Backend_rectangleDraw()

GBL_RESULT GUM_Backend_rectangleDraw	(	GUM_Renderer *	pRenderer,
		GUM_Rectangle	rectangle,
		float	roundness,
		GUM_Color	color )

Draws a rectangle, can optionally be rounded.

GUM_Backend_rectangleLinesDraw()

GBL_RESULT GUM_Backend_rectangleLinesDraw	(	GUM_Renderer *	pRenderer,
		GUM_Rectangle	rectangle,
		float	roundness,
		float	border_width,
		GUM_Color	color )

Draws a rectangle outline, can optionally be rounded.

GUM_Backend_setLogger()

void GUM_Backend_setLogger

(

void

)

Overrides the library's logger with libGumball's logger.

GUM_Backend_Texture_load()

GBL_RESULT GUM_Backend_Texture_load	(	GUM_IResource *	pResource,
		GblStringRef *	pPath )

Loads a texture.

GUM_Backend_Texture_unload()

GBL_RESULT GUM_Backend_Texture_unload

(

GUM_IResource *

pResource

)

Unloads a texture.

GUM_Backend_Texture_draw()

GBL_RESULT GUM_Backend_Texture_draw	(	GUM_Renderer *	pRenderer,
		GUM_Texture *	pTexture,
		GUM_Rectangle	rectangle,
		GUM_Color	color )

Draws a texture.

GUM_Backend_Font_load()

GBL_RESULT GUM_Backend_Font_load	(	GUM_IResource *	pResource,
		GblStringRef *	pPath )

Loads a font.

GUM_Backend_Font_unload()

GBL_RESULT GUM_Backend_Font_unload

(

GUM_IResource *

pResource

)

Unloads a font.

GUM_Backend_Font_draw()

GBL_RESULT GUM_Backend_Font_draw	(	GUM_Renderer *	pRenderer,
		GUM_Font *	pFont,
		GblStringRef *	pText,
		GUM_Vector2	position,
		GUM_Color	color,
		int	fontSize,
		float	spacing )

Draws text.

GUM_Backend_Font_measureText()

GBL_RESULT GUM_Backend_Font_measureText	(	GUM_Font *	pFont,
		GblStringRef *	pText,
		uint8_t	fontSize )

Measures text size given a font, text and font size.

GUM_Backend_Font_default()

GUM_Font * GUM_Backend_Font_default

(

void

)

Returns a pointer to the default font.