780 void
781 SplashUnlock(Splash * splash) {
782 pthread_mutex_unlock(&splash->lock);
783 }
784
785 void
786 SplashClosePlatform(Splash * splash) {
787 sendctl(splash, SPLASHCTL_QUIT);
788 }
789
790 void
791 SplashUpdate(Splash * splash) {
792 sendctl(splash, SPLASHCTL_UPDATE);
793 }
794
795 void
796 SplashReconfigure(Splash * splash) {
797 sendctl(splash, SPLASHCTL_RECONFIGURE);
798 }
799
800 SPLASHEXPORT char*
801 SplashGetScaledImageName(const char* jarName, const char* fileName,
802 float *scaleFactor)
803 {
804 *scaleFactor = 1;
805 #ifndef __linux__
806 return NULL;
807 #endif
808 *scaleFactor = getNativeScaleFactor();
809 if (*scaleFactor == 2.0) {
810 char *scaledImgName = NULL;
811 size_t length = 0;
812 char *stringToAppend = ".java-scale2x";
813 char *dupFileName = strdup(fileName);
814 char *fileExtension = strrchr(dupFileName, '.');
815 if (fileExtension == NULL) {
816 length = strlen(dupFileName) + strlen(stringToAppend) + 1;
817 scaledImgName = SAFE_SIZE_ARRAY_ALLOC(malloc, length, sizeof (char));
818 int retVal = snprintf(scaledImgName, length, "%s%s",
819 dupFileName, stringToAppend);
820 if(retVal < 0 || (retVal != length - 1)) {
821 free(scaledImgName);
822 free(dupFileName);
823 *scaleFactor = 1;
824 return NULL;
825 }
826 } else {
827 int length_without_ext = fileExtension - dupFileName;
828 length = length_without_ext +
829 strlen(stringToAppend) + strlen(fileExtension) + 1;
830 scaledImgName = SAFE_SIZE_ARRAY_ALLOC(malloc, length, sizeof (char));
831 int retVal = snprintf(scaledImgName, length, "%.*s%s%s",
832 length_without_ext, dupFileName, stringToAppend, fileExtension);
833 if(retVal < 0 || retVal != length - 1) {
834 free(scaledImgName);
835 free(dupFileName);
836 *scaleFactor = 1;
837 return NULL;
838 }
839 }
840 free(dupFileName);
841 FILE *fp;
842 if (!(fp = fopen(scaledImgName, "r"))) {
843 *scaleFactor = 1;
844 free(scaledImgName);
845 return NULL;
846 }
847 fclose(fp);
848 return scaledImgName;
849 }
850 return NULL;
851 }
852
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780 void
781 SplashUnlock(Splash * splash) {
782 pthread_mutex_unlock(&splash->lock);
783 }
784
785 void
786 SplashClosePlatform(Splash * splash) {
787 sendctl(splash, SPLASHCTL_QUIT);
788 }
789
790 void
791 SplashUpdate(Splash * splash) {
792 sendctl(splash, SPLASHCTL_UPDATE);
793 }
794
795 void
796 SplashReconfigure(Splash * splash) {
797 sendctl(splash, SPLASHCTL_RECONFIGURE);
798 }
799
800 SPLASHEXPORT jboolean
801 SplashGetScaledImageName(const char* jarName, const char* fileName,
802 float *scaleFactor, char *scaledImgName,
803 const size_t scaledImageNameLength)
804 {
805 *scaleFactor = 1;
806 #ifndef __linux__
807 return JNI_FALSE;
808 #endif
809 *scaleFactor = getNativeScaleFactor();
810 if (*scaleFactor == 2.0) {
811 size_t length = 0;
812 char *stringToAppend = ".java-scale2x";
813 char *dupFileName = strdup(fileName);
814 char *fileExtension = strrchr(dupFileName, '.');
815 if (fileExtension == NULL) {
816 length = strlen(dupFileName) + strlen(stringToAppend) + 1;
817 if (length > scaledImageNameLength) {
818 *scaleFactor = 1;
819 free(dupFileName);
820 return JNI_FALSE;
821 }
822 int retVal = snprintf(scaledImgName, length, "%s%s",
823 dupFileName, stringToAppend);
824 if (retVal < 0 || (retVal != length - 1)) {
825 free(dupFileName);
826 *scaleFactor = 1;
827 return JNI_FALSE;
828 }
829 } else {
830 int length_without_ext = fileExtension - dupFileName;
831 length = length_without_ext +
832 strlen(stringToAppend) + strlen(fileExtension) + 1;
833 if (length > scaledImageNameLength) {
834 *scaleFactor = 1;
835 free(dupFileName);
836 return JNI_FALSE;
837 }
838 int retVal = snprintf(scaledImgName, length, "%.*s%s%s",
839 length_without_ext, dupFileName, stringToAppend, fileExtension);
840 if (retVal < 0 || retVal != length - 1) {
841 free(dupFileName);
842 *scaleFactor = 1;
843 return JNI_FALSE;
844 }
845 }
846 free(dupFileName);
847 FILE *fp;
848 if (!(fp = fopen(scaledImgName, "r"))) {
849 *scaleFactor = 1;
850 return JNI_FALSE;
851 }
852 fclose(fp);
853 return JNI_TRUE;
854 }
855 return JNI_FALSE;
856 }
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