Author: jmb
Date: Fri Jan 23 17:37:03 2009
New Revision: 6206
URL: http://source.netsurf-browser.org?rev=6206&view=rev
Log:
Range check elevation angle.
Add some more constants.
Modified:
trunk/libcss/src/parse/properties.c
trunk/libcss/src/utils/fpconstants.h
Modified: trunk/libcss/src/parse/properties.c
URL:
http://source.netsurf-browser.org/trunk/libcss/src/parse/properties.c?rev=6206&r1=6205&r2=6206&view=diff
==============================================================================
--- trunk/libcss/src/parse/properties.c (original)
+++ trunk/libcss/src/parse/properties.c Fri Jan 23 17:37:03 2009
@@ -2485,6 +2485,18 @@
if ((unit & UNIT_ANGLE) == false)
return CSS_INVALID;
+ /* Valid angles lie between -90 and 90 degrees */
+ if (unit == UNIT_DEG) {
+ if (length < FMULI(F_90, -1) || length > F_90)
+ return CSS_INVALID;
+ } else if (unit == UNIT_GRAD) {
+ if (length < FMULI(F_100, -1) || length > F_100)
+ return CSS_INVALID;
+ } else if (unit == UNIT_RAD) {
+ if (length < FMULI(F_PI_2, -1) || length > F_PI_2)
+ return CSS_INVALID;
+ }
+
value = ELEVATION_ANGLE;
}
Modified: trunk/libcss/src/utils/fpconstants.h
URL:
http://source.netsurf-browser.org/trunk/libcss/src/utils/fpconstants.h?rev=6206&r1=6205&r2=6206&view=diff
==============================================================================
--- trunk/libcss/src/utils/fpconstants.h (original)
+++ trunk/libcss/src/utils/fpconstants.h Fri Jan 23 17:37:03 2009
@@ -9,12 +9,20 @@
#define css_utils_fpconstants_h_
/* Useful angles */
+#define F_PI_2 0x00000648 /* 1.5708 (PI/2) */
#define F_PI 0x00000c91 /* 3.1415 (PI) */
-#define F_2PI 0x00001922 /* 2 PI */
+#define F_3PI_2 0x000012d9 /* 4.7124 (3PI/2) */
+#define F_2PI 0x00001922 /* 6.2831 (2 PI) */
+#define F_90 0x00016800 /* 90 */
+#define F_180 0x0002d000 /* 180 */
+#define F_270 0x00043800 /* 270 */
#define F_360 0x0005a000 /* 360 */
-#define F_400 0x00064000 /* 100 */
+#define F_100 0x00019000 /* 100 */
+#define F_200 0x00032000 /* 200 */
+#define F_300 0x0004b000 /* 300 */
+#define F_400 0x00064000 /* 400 */
#endif
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