diff options
| -rw-r--r-- | core/fpdfapi/render/cpdf_renderstatus.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/core/fpdfapi/render/cpdf_renderstatus.cpp b/core/fpdfapi/render/cpdf_renderstatus.cpp index 9965cbb945..95d3cbe5de 100644 --- a/core/fpdfapi/render/cpdf_renderstatus.cpp +++ b/core/fpdfapi/render/cpdf_renderstatus.cpp @@ -50,6 +50,7 @@ #include "core/fpdfdoc/cpdf_occontext.h" #include "core/fxcrt/autorestorer.h" #include "core/fxcrt/fx_safe_types.h" +#include "core/fxcrt/fx_system.h" #include "core/fxcrt/maybe_owned.h" #include "core/fxge/cfx_defaultrenderdevice.h" #include "core/fxge/cfx_graphstatedata.h" @@ -262,6 +263,9 @@ void DrawRadialShading(const RetainPtr<CFX_DIBitmap>& pBitmap, float a = ((start_x - end_x) * (start_x - end_x)) + ((start_y - end_y) * (start_y - end_y)) - ((start_r - end_r) * (start_r - end_r)); + if (IsFloatZero(a)) + a = 0.0f; + int width = pBitmap->GetWidth(); int height = pBitmap->GetHeight(); int pitch = pBitmap->GetPitch(); @@ -285,7 +289,7 @@ void DrawRadialShading(const RetainPtr<CFX_DIBitmap>& pBitmap, float c = ((pos.x - start_x) * (pos.x - start_x)) + ((pos.y - start_y) * (pos.y - start_y)) - (start_r * start_r); float s; - if (a == 0) { + if (a == 0.0f) { s = -c / b; } else { float b2_4ac = (b * b) - 4 * (a * c); |