diff options
| -rw-r--r-- | engines/wintermute/graphics/transform_tools.cpp | 71 | ||||
| -rw-r--r-- | engines/wintermute/graphics/transform_tools.h | 2 |
2 files changed, 38 insertions, 35 deletions
diff --git a/engines/wintermute/graphics/transform_tools.cpp b/engines/wintermute/graphics/transform_tools.cpp index ff90707615..4f05e19a92 100644 --- a/engines/wintermute/graphics/transform_tools.cpp +++ b/engines/wintermute/graphics/transform_tools.cpp @@ -26,48 +26,49 @@ namespace Wintermute { - FloatPoint TransformTools::transformPoint(const FloatPoint &point, const float rotate, const Point32 &zoom, const bool mirrorX, const bool mirrorY) { - float rotateRad = rotate * M_PI / 180.0f; - FloatPoint newPoint; - newPoint.x = (point.x * cos(rotateRad) - point.y * sin(rotateRad)) * zoom.x / kDefaultZoomX; - newPoint.y = (point.x * sin(rotateRad) + point.y * cos(rotateRad)) * zoom.y / kDefaultZoomY; - if (mirrorX) { - newPoint.x *= -1; - } - if (mirrorY) { - newPoint.y *= -1; - } - return newPoint; +FloatPoint TransformTools::transformPoint(const FloatPoint &point, const float rotate, const Point32 &zoom, const bool mirrorX, const bool mirrorY) { + float rotateRad = rotate * M_PI / 180.0f; + FloatPoint newPoint; + newPoint.x = (point.x * cos(rotateRad) - point.y * sin(rotateRad)) * zoom.x / kDefaultZoomX; + newPoint.y = (point.x * sin(rotateRad) + point.y * cos(rotateRad)) * zoom.y / kDefaultZoomY; + if (mirrorX) { + newPoint.x *= -1; } + if (mirrorY) { + newPoint.y *= -1; + } + return newPoint; +} - Rect32 TransformTools::newRect (const Rect32 &oldRect, const TransformStruct &transform, Point32 *newHotspot) { +Rect32 TransformTools::newRect (const Rect32 &oldRect, const TransformStruct &transform, Point32 *newHotspot) { - Point32 nw(oldRect.left, oldRect.top); - Point32 ne(oldRect.right, oldRect.top); - Point32 sw(oldRect.left, oldRect.bottom); - Point32 se(oldRect.right, oldRect.bottom); + Point32 nw(oldRect.left, oldRect.top); + Point32 ne(oldRect.right, oldRect.top); + Point32 sw(oldRect.left, oldRect.bottom); + Point32 se(oldRect.right, oldRect.bottom); - FloatPoint nw1, ne1, sw1, se1; + FloatPoint nw1, ne1, sw1, se1; - nw1 = transformPoint(nw - transform._hotspot, transform._angle, transform._zoom); - ne1 = transformPoint(ne - transform._hotspot, transform._angle, transform._zoom); - sw1 = transformPoint(sw - transform._hotspot, transform._angle, transform._zoom); - se1 = transformPoint(se - transform._hotspot, transform._angle, transform._zoom); + nw1 = transformPoint(nw - transform._hotspot, transform._angle, transform._zoom); + ne1 = transformPoint(ne - transform._hotspot, transform._angle, transform._zoom); + sw1 = transformPoint(sw - transform._hotspot, transform._angle, transform._zoom); + se1 = transformPoint(se - transform._hotspot, transform._angle, transform._zoom); - float top = MIN(nw1.y, MIN(ne1.y, MIN(sw1.y, se1.y))); - float bottom = MAX(nw1.y, MAX(ne1.y, MAX(sw1.y, se1.y))); - float left = MIN(nw1.x, MIN(ne1.x, MIN(sw1.x, se1.x))); - float right = MAX(nw1.x, MAX(ne1.x, MAX(sw1.x, se1.x))); + float top = MIN(nw1.y, MIN(ne1.y, MIN(sw1.y, se1.y))); + float bottom = MAX(nw1.y, MAX(ne1.y, MAX(sw1.y, se1.y))); + float left = MIN(nw1.x, MIN(ne1.x, MIN(sw1.x, se1.x))); + float right = MAX(nw1.x, MAX(ne1.x, MAX(sw1.x, se1.x))); - Rect32 res; - newHotspot->y = (uint32)(-floor(top)); - newHotspot->x = (uint32)(-floor(left)); + Rect32 res; + newHotspot->y = (uint32)(-floor(top)); + newHotspot->x = (uint32)(-floor(left)); - res.top = (int32)(floor(top)) + transform._hotspot.y; - res.bottom = (int32)(ceil(bottom)) + transform._hotspot.y; - res.left = (int32)(floor(left)) + transform._hotspot.x; - res.right = (int32)(ceil(right)) + transform._hotspot.x; + res.top = (int32)(floor(top)) + transform._hotspot.y; + res.bottom = (int32)(ceil(bottom)) + transform._hotspot.y; + res.left = (int32)(floor(left)) + transform._hotspot.x; + res.right = (int32)(ceil(right)) + transform._hotspot.x; + + return res; +} - return res; - } } // End of namespace Wintermute diff --git a/engines/wintermute/graphics/transform_tools.h b/engines/wintermute/graphics/transform_tools.h index 77b41a9045..e59c47272a 100644 --- a/engines/wintermute/graphics/transform_tools.h +++ b/engines/wintermute/graphics/transform_tools.h @@ -28,6 +28,7 @@ #include "engines/wintermute/graphics/transform_struct.h" namespace Wintermute { + class TransformTools { public: /** @@ -47,5 +48,6 @@ public: */ static Rect32 newRect (const Rect32 &oldRect, const TransformStruct &transform, Point32 *newHotspot); }; + } // End of namespace Wintermute #endif |