diff options
Diffstat (limited to 'sdl2/surface.scm')
| -rw-r--r-- | sdl2/surface.scm | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/sdl2/surface.scm b/sdl2/surface.scm index a918bd7..3770a17 100644 --- a/sdl2/surface.scm +++ b/sdl2/surface.scm @@ -64,7 +64,8 @@ surface-pitch surface-pixels convert-surface-format - blit-surface)) + blit-surface + blit-scaled)) ;;; @@ -449,3 +450,17 @@ surface DST." ((@@ (sdl2 rect) unwrap-rect) dst-rect) %null-pointer))) (sdl-error "blit-surface" "failed to blit surface ~a to ~a" src dst))) + +(define (blit-scaled src src-rect dst dst-rect) + "Blit the rectangle SRC-RECT from the surface SRC to DST-RECT of the +surface DST, scaling the source to fit the destination." + (unless (zero? + (ffi:sdl-blit-surface (unwrap-surface src) + (if src-rect + ((@@ (sdl2 rect) unwrap-rect) src-rect) + %null-pointer) + (unwrap-surface dst) + (if dst-rect + ((@@ (sdl2 rect) unwrap-rect) dst-rect) + %null-pointer))) + (sdl-error "blit-scaled" "failed to blit surface ~a to ~a" src dst))) |