mirrors
/
FreeRDP
mirror of https://github.com/FreeRDP/FreeRDP
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Fixed floating point calculations.

This commit is contained in:
Armin Novak 2019-10-16 14:53:27 +02:00
parent 799685cb92
commit f1f0b266ac
1 changed files with 10 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
client/X11/xf_client.c
View File

@ -27,6 +27,7 @@
#endif
#include <assert.h>
#include <float.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
@ -170,10 +171,15 @@ static void xf_draw_screen_scaled(xfContext* xfc, int x, int y, int w, int h)
picFormat, CPSubwindowMode, &pa);
// avoid blurry filter when scaling factor is 2x, 3x, etc
// useful when the client has high-dpi monitor
if (xScalingFactor == yScalingFactor && abs(1/xScalingFactor - round(1/xScalingFactor)) < 0.001) {
filter = FilterNearest;
} else {
filter = FilterBilinear;
filter = FilterBilinear;
if (fabs(xScalingFactor - yScalingFactor) < DBL_EPSILON)
{
const double inverseX = 1.0 / xScalingFactor;
const double inverseRoundedX = round(inverseX);
const double absInverse = fabs(inverseX - inverseRoundedX);
if (absInverse < DBL_EPSILON)
filter = FilterNearest;
}
XRenderSetPictureFilter(xfc->display, primaryPicture, filter, 0, 0);
transform.matrix[0][0] = XDoubleToFixed(xScalingFactor);