Allow finer rotation in Viewer app.

It turns out the ImGui sliders don't use the format string just for
display but also to modify the potential values. Change the format
string for rotation to three decimal places to match zoom.

Change-Id: I5f8d675a18687d67c2f19b03aa4c19c3ae094415
Reviewed-on: https://skia-review.googlesource.com/125960
Commit-Queue: Brian Osman <brianosman@google.com>
Auto-Submit: Ben Wagner <bungeman@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/tools/viewer/Viewer.cpp b/tools/viewer/Viewer.cpp
index 7500f3ff5b..b4da7dba64 100644
--- a/tools/viewer/Viewer.cpp
+++ b/tools/viewer/Viewer.cpp
@@ -1467,7 +1467,7 @@ void Viewer::drawImGui() {
                     paramsChanged = true;
                 }
                 float deg = fRotation;
-                if (ImGui::SliderFloat("Rotate", &deg, -30, 360, "%.0f deg")) {
+                if (ImGui::SliderFloat("Rotate", &deg, -30, 360, "%.3f deg")) {
                     fRotation = deg;
                     this->preTouchMatrixChanged();
                     paramsChanged = true;