hwc: Move aspect ratio helper function to qdutils
Move aspect ratio helper function to qdutils so it can be used
as a utility function in libvirtual and libexternal without
introducing a circular dependency.
Change-Id: Ib295c1d9f78bc8898b1aac9a443cdacf53150551
diff --git a/libhwcomposer/hwc_utils.cpp b/libhwcomposer/hwc_utils.cpp
index d2104ed..f2a4bda 100644
--- a/libhwcomposer/hwc_utils.cpp
+++ b/libhwcomposer/hwc_utils.cpp
@@ -44,6 +44,7 @@
#include "QService.h"
#include "comptype.h"
#include "hwc_virtual.h"
+#include "qd_utils.h"
using namespace qClient;
using namespace qService;
@@ -392,34 +393,6 @@
return;
}
-/* Calculates the aspect ratio for based on src & dest */
-void getAspectRatioPosition(int destWidth, int destHeight, int srcWidth,
- int srcHeight, hwc_rect_t& rect) {
- int x =0, y =0;
-
- if (srcWidth * destHeight > destWidth * srcHeight) {
- srcHeight = destWidth * srcHeight / srcWidth;
- srcWidth = destWidth;
- } else if (srcWidth * destHeight < destWidth * srcHeight) {
- srcWidth = destHeight * srcWidth / srcHeight;
- srcHeight = destHeight;
- } else {
- srcWidth = destWidth;
- srcHeight = destHeight;
- }
- if (srcWidth > destWidth) srcWidth = destWidth;
- if (srcHeight > destHeight) srcHeight = destHeight;
- x = (destWidth - srcWidth) / 2;
- y = (destHeight - srcHeight) / 2;
- ALOGD_IF(HWC_UTILS_DEBUG, "%s: AS Position: x = %d, y = %d w = %d h = %d",
- __FUNCTION__, x, y, srcWidth , srcHeight);
- // Convert it back to hwc_rect_t
- rect.left = x;
- rect.top = y;
- rect.right = srcWidth + rect.left;
- rect.bottom = srcHeight + rect.top;
-}
-
// This function gets the destination position for Seconday display
// based on the position and aspect ratio with orientation
void getAspectRatioPosition(hwc_context_t* ctx, int dpy, int extOrientation,