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BLI_rect: add resize_x/y functions 

Without this, it's inconvenient to resize a single axis
and doesn't read very well.
This commit is contained in:
Campbell Barton 2020-10-27 13:50:51 +11:00
parent edf4378c44
commit 66800a1deb
2 changed files with 28 additions and 0 deletions
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4
source/blender/blenlib/BLI_rect.h
View File

@ -62,8 +62,12 @@ void BLI_rcti_translate(struct rcti *rect, int x, int y);
void BLI_rcti_recenter(struct rcti *rect, int x, int y);
void BLI_rctf_recenter(struct rctf *rect, float x, float y);
void BLI_rcti_resize(struct rcti *rect, int x, int y);
void BLI_rcti_resize_x(struct rcti *rect, int x);
void BLI_rcti_resize_y(struct rcti *rect, int y);
void BLI_rcti_pad(struct rcti *rect, int pad_x, int pad_y);
void BLI_rctf_resize(struct rctf *rect, float x, float y);
void BLI_rctf_resize_x(struct rctf *rect, float x);
void BLI_rctf_resize_y(struct rctf *rect, float y);
void BLI_rcti_scale(rcti *rect, const float scale);
void BLI_rctf_scale(rctf *rect, const float scale);
void BLI_rctf_pad_y(struct rctf *rect,

24
source/blender/blenlib/intern/rct.c
View File

@ -623,6 +623,18 @@ void BLI_rctf_recenter(rctf *rect, float x, float y)
}
/* change width & height around the central location */
void BLI_rcti_resize_x(rcti *rect, int x)
{
rect->xmin = BLI_rcti_cent_x(rect) - (x / 2);
rect->xmax = rect->xmin + x;
}
void BLI_rcti_resize_y(rcti *rect, int y)
{
rect->ymin = BLI_rcti_cent_y(rect) - (y / 2);
rect->ymax = rect->ymin + y;
}
void BLI_rcti_resize(rcti *rect, int x, int y)
{
rect->xmin = BLI_rcti_cent_x(rect) - (x / 2);
@ -639,6 +651,18 @@ void BLI_rcti_pad(rcti *rect, int pad_x, int pad_y)
rect->ymax += pad_y;
}
void BLI_rctf_resize_x(rctf *rect, float x)
{
rect->xmin = BLI_rctf_cent_x(rect) - (x * 0.5f);
rect->xmax = rect->xmin + x;
}
void BLI_rctf_resize_y(rctf *rect, float y)
{
rect->ymin = BLI_rctf_cent_y(rect) - (y * 0.5f);
rect->ymax = rect->ymin + y;
}
void BLI_rctf_resize(rctf *rect, float x, float y)
{
rect->xmin = BLI_rctf_cent_x(rect) - (x * 0.5f);