From a85d41c53eed50f188502925ed34674397b86550 Mon Sep 17 00:00:00 2001
From: Arisotura <thetotalworm@gmail.com>
Date: Sat, 25 Apr 2020 18:51:08 +0200
Subject: berp.
---
src/libui_sdl/libui/common/matrix.c | 50 -------------------------------------
1 file changed, 50 deletions(-)
delete mode 100644 src/libui_sdl/libui/common/matrix.c
(limited to 'src/libui_sdl/libui/common/matrix.c')
diff --git a/src/libui_sdl/libui/common/matrix.c b/src/libui_sdl/libui/common/matrix.c
deleted file mode 100644
index 676885d..0000000
--- a/src/libui_sdl/libui/common/matrix.c
+++ /dev/null
@@ -1,50 +0,0 @@
-// 11 october 2015
-#include <math.h>
-#include "../ui.h"
-#include "uipriv.h"
-
-void uiDrawMatrixSetIdentity(uiDrawMatrix *m)
-{
- m->M11 = 1;
- m->M12 = 0;
- m->M21 = 0;
- m->M22 = 1;
- m->M31 = 0;
- m->M32 = 0;
-}
-
-// The rest of this file provides basic utilities in case the platform doesn't provide any of its own for these tasks.
-// Keep these as minimal as possible. They should generally not call other fallbacks.
-
-// see https://msdn.microsoft.com/en-us/library/windows/desktop/ff684171%28v=vs.85%29.aspx#skew_transform
-// TODO see if there's a way we can avoid the multiplication
-void fallbackSkew(uiDrawMatrix *m, double x, double y, double xamount, double yamount)
-{
- uiDrawMatrix n;
-
- uiDrawMatrixSetIdentity(&n);
- // TODO explain this
- n.M12 = tan(yamount);
- n.M21 = tan(xamount);
- n.M31 = -y * tan(xamount);
- n.M32 = -x * tan(yamount);
- uiDrawMatrixMultiply(m, &n);
-}
-
-void scaleCenter(double xCenter, double yCenter, double *x, double *y)
-{
- *x = xCenter - (*x * xCenter);
- *y = yCenter - (*y * yCenter);
-}
-
-// the basic algorithm is from cairo
-// but it's the same algorithm as the transform point, just without M31 and M32 taken into account, so let's just do that instead
-void fallbackTransformSize(uiDrawMatrix *m, double *x, double *y)
-{
- uiDrawMatrix m2;
-
- m2 = *m;
- m2.M31 = 0;
- m2.M32 = 0;
- uiDrawMatrixTransformPoint(&m2, x, y);
-}
--
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