PostScript: Do not send fonts with size <= 0 to printers
Bug: chromium:767343
Change-Id: I9321e7565feb423a1283c74e91297eeaeb80083f
Reviewed-on: https://pdfium-review.googlesource.com/16410
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Rebekah Potter <rbpotter@chromium.org>
diff --git a/core/fxge/win32/cfx_psrenderer.cpp b/core/fxge/win32/cfx_psrenderer.cpp
index d973918..ecfab49 100644
--- a/core/fxge/win32/cfx_psrenderer.cpp
+++ b/core/fxge/win32/cfx_psrenderer.cpp
@@ -644,16 +644,20 @@
const CFX_Matrix* pObject2Device,
float font_size,
uint32_t color) {
- StartRendering();
- int alpha = FXARGB_A(color);
- if (alpha < 255)
- return false;
+ // Do not send zero or negative font sizes to printers. See crbug.com/767343.
+ if (font_size <= 0.0)
+ return true;
if ((pObject2Device->a == 0 && pObject2Device->b == 0) ||
(pObject2Device->c == 0 && pObject2Device->d == 0)) {
return true;
}
+ StartRendering();
+ int alpha = FXARGB_A(color);
+ if (alpha < 255)
+ return false;
+
SetColor(color);
std::ostringstream buf;
buf << "q[" << pObject2Device->a << " " << pObject2Device->b << " "
