pandory500/SDL-mirror
2
0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Added SDL_RenderSetScale() and SDL_RenderGetScale()

Browse source
This commit is contained in:
Sam Lantinga 2012-10-01 20:59:33 -07:00
parent 0b35b7b0bf
commit f366b098d4
10 changed files with 603 additions and 353 deletions
Download patch file Download diff file Expand all files Collapse all files

26
include/SDL_render.h
View file

@ -436,6 +436,32 @@ extern DECLSPEC int SDLCALL SDL_RenderSetViewport(SDL_Renderer * renderer,
extern DECLSPEC void SDLCALL SDL_RenderGetViewport(SDL_Renderer * renderer,
SDL_Rect * rect);
/**
* \brief Set the drawing scale for rendering on the current target.
*
* \param scaleX The horizontal scaling factor
* \param scaleY The vertical scaling factor
*
* The drawing coordinates are scaled by the x/y scaling factors
* before they are used by the renderer. This allows resolution
* independent drawing with a single coordinate system.
*
* \note If this results in scaling or subpixel drawing by the
* rendering backend, it will be handled using the appropriate
* quality hints. For best results use integer scaling factors.
*/
extern DECLSPEC int SDLCALL SDL_RenderSetScale(SDL_Renderer * renderer,
float scaleX, float scaleY);
/**
* \brief Get the drawing scale for the current target.
*
* \param scaleX A pointer filled in with the horizontal scaling factor
* \param scaleY A pointer filled in with the vertical scaling factor
*/
extern DECLSPEC void SDLCALL SDL_RenderGetScale(SDL_Renderer * renderer,
float *scaleX, float *scaleY);
/**
* \brief Set the color used for drawing operations (Rect, Line and Clear).
*